[5] | 1 | <!DOCTYPE html PUBLIC "-//w3c//dtd html 4.0 transitional//en"> |
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| 2 | <html><head> |
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[62] | 3 | <meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"> <meta content="Mozilla/4.73 [en] (X11; U; HP-UX B.10.20 9000/782) [Netscape]" name="GENERATOR"> <meta content="Siegfried Raasch" name="Author"> <meta content="parallel LES model" name="Keywords"><title>PALM technical/numerical |
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| 4 | documentation</title></head> |
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| 5 | <body><font size="+4">PALM |
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[5] | 6 | </font>a |
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| 7 | <b>pa</b>rallelized |
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| 8 | <b>L</b>ES <b>m</b>odel |
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[62] | 9 | <br><hr width="100%"> |
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| 10 | <br><font size="+2">technical/numerical documentation</font> |
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| 11 | <br> |
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| 12 | <br> |
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| 13 | <br><table nosave="" cellpadding="0" cellspacing="0"> <caption> <br> </caption><tbody> |
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| 14 | </tbody><tbody> </tbody> <tbody> <tr nosave=""> <td nosave=""><b>Current |
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| 15 | model version:</b></td> <td><span style="font-weight: bold;">3.1c</span></td> </tr> |
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| 16 | <tr nosave=""> <td nosave=""><b>Last |
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| 17 | change of this document</b>: </td> <td nosave=""><b>$Id: technical_documentation.html 62 2007-03-13 02:52:40Z raasch $</b></td> </tr> |
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| 18 | </tbody> |
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| 19 | </table><hr width="100%"> |
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[5] | 20 | <p><font size="+2">Table of contents</font> |
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[62] | 21 | <br> |
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| 22 | <br> |
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| 23 | </p><ul> <a href="#Kapitel1.0">1.0</a> |
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| 24 | History of changes <p><a href="#Kapitel2.0">2.0</a> |
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| 25 | How to change the model source |
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| 26 | code </p> <p><a href="#Kapitel3.0">3.0</a> |
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| 27 | Description of selected parts |
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[5] | 28 | of |
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| 29 | the model source code <br> |
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| 30 | </p> |
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[62] | 31 | </ul><b>Please note: Parts of this document are still in |
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| 32 | German. We |
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[5] | 33 | apologize |
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| 34 | for any inconvenience.</b> |
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[62] | 35 | <br> |
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| 36 | <h2><a name="Kapitel1.0"></a>1.0 |
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| 37 | History of changes</h2> |
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[5] | 38 | The following table documents all changes to the model since July, 7th |
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| 39 | 1998. Entries in the fourth column specify the type of the change: |
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| 40 | change |
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| 41 | of existing code (C), new code (N) or bugfix (B). More detailed |
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| 42 | information |
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| 43 | about the changes may be found in the header comment lines of the |
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| 44 | respective |
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| 45 | routines. |
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[62] | 46 | <br> |
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| 47 | <br><table nosave="" style="width: 100%;" border="1"> <caption> <br> </caption><tbody> |
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| 48 | </tbody><tbody> </tbody> <tbody> <tr> <td><b>date</b></td> |
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| 49 | <td><b>author</b></td> <td><b>model</b> |
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| 50 | <br> <b>version</b></td> <td><b>type</b></td> |
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| 51 | <td><b>description</b></td> <td><b>affected |
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| 52 | routines</b></td> </tr> <tr nosave="" valign="top"> <td>06/07/98</td> <td>SR</td> |
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| 53 | <td>1.0</td> <td>C</td> <td nosave="">Änderung |
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| 54 | von Default-Werten |
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[5] | 55 | (initializing_actions, end_time, |
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| 56 | fcl_factor, use_prior_plot1d_parameters), zusätzliche |
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| 57 | Überprüfung |
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[62] | 58 | von Parametern auf Zulässigkeit (prandtl_layer, psolver, nx, |
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| 59 | ny, |
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[5] | 60 | nz, |
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[62] | 61 | fcl_factor), Höhe der Schnittebenen der Horizontalschnitte |
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| 62 | wird |
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[5] | 63 | auf |
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[62] | 64 | Plots exakt ausgegeben (uv- bzw. w-Gitter).</td> <td>modules, |
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| 65 | check_parameters, plot_2d</td> </tr> <tr nosave="" valign="top"> <td>"</td> <td>SR</td> |
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| 66 | <td>1.0</td> <td>N</td> <td>Neues Modul |
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| 67 | test_variables wird in (fast) allen |
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[5] | 68 | Programmteilen benutzt |
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| 69 | (USE). <b>Wichtig</b>: dieses Modul steht in der Datei <tt>module_test.f90. |
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| 70 | D</tt>iese Datei muß in der mrun- und add_library - |
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| 71 | Konfigurationsdatei |
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[62] | 72 | bei der Variablen <tt>module_files</tt> |
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| 73 | aufgeführt werden.</td> <td nosave="">(fast) |
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| 74 | alle <br> |
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| 75 | Neu: module_test</td> </tr> <tr nosave="" valign="top"> <td>16/07/98</td> <td>SR</td> |
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| 76 | <td>1.0</td> <td>N</td> <td nosave="">Anpassung |
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| 77 | an die T3E-Rechner in Juelich (cpp - |
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| 78 | Direktiven)</td> <td>advec_s_bc, check_open, |
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| 79 | check_parameters, cpu_zeitmessung, |
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[5] | 80 | init_pegrid, |
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| 81 | local_getenv, local_system, local_tremain, local_tremain_ini, poisfft</td> |
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[62] | 82 | </tr> <tr nosave="" valign="top"> <td>24/07/98</td> |
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| 83 | <td>MS</td> <td>1.0</td> <td>C</td> |
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| 84 | <td nosave="">Anpassung des Druckloesealgorithmusses an |
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[5] | 85 | Vorgehensweise von |
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[62] | 86 | Schmidt, Schumann und Volkert (DFVLR-Mitteilung 84-15, S. |
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| 87 | 20-26) </td> <td>poisfft</td> </tr> <tr nosave="" valign="top"> <td>27/07/98</td> |
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| 88 | <td>MS</td> <td>1.0</td> <td>C</td> |
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| 89 | <td nosave="">Berechnung von l in maketri geschieht nun |
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[5] | 90 | ausserhalb der k-Schleife, |
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[62] | 91 | da unabhaengig von k, dadurch Rechenzeitersparnis </td> <td>poisfft</td> |
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| 92 | </tr> <tr nosave="" valign="top"> <td>05/08/98</td> |
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| 93 | <td>SR</td> <td>1.0</td> <td>C</td> |
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| 94 | <td>Entfernung der Sonderbehandlung der Advektionsterme |
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[5] | 95 | (Piascek-Williams) |
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[62] | 96 | bei k=1. Terme werden nun überall gleich berechnet. Evtl. |
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| 97 | leichte |
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[5] | 98 | Erhöhung der Varianzen in Oberflächennähe.</td> |
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[62] | 99 | <td nosave="">advec_u_pw, advec_v_pw, advec_w_pw</td> |
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| 100 | </tr> <tr nosave="" valign="top"> <td nosave="">"</td> <td>SR</td> <td>1.0</td> |
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| 101 | <td>C</td> <td>Mischungsweganpassung (s. |
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| 102 | adjust_mixing_length) erfolgt nur |
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[5] | 103 | noch bei |
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[62] | 104 | k=1. Unrealistische sekundäre Maxima in den Km-Profilen |
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| 105 | oberhalb |
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[5] | 106 | der |
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[62] | 107 | Prandtl-Schicht werden damit vermieden. Leichte Änderungen in |
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| 108 | den |
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| 109 | oberflächennahen Turbulenzgrößen sind die |
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| 110 | Folge.</td> <td>diffusivities</td> </tr> <tr nosave="" valign="top"> <td>"</td> <td>SR</td> |
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| 111 | <td>1.0</td> <td>B</td> <td>Falsche |
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| 112 | Berechnung der benötigten CPU-Zeit pro Sekunde |
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[5] | 113 | simulierter |
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[62] | 114 | Zeit bei Fortsetzungsläufen korrigiert. <p>Berechnung |
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| 115 | von cross_uxmin(1) und cross_uxmax(1) aus den |
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[5] | 116 | Werten von |
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[62] | 117 | ug und vg entfernt. Lieferte falsche Wertebereiche für Plots |
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| 118 | von |
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[5] | 119 | Vertikalprofilen, |
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| 120 | wenn im ersten Koordinatenkreuz nicht die Windgeschwindigkeiten |
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| 121 | gezeichnet |
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[62] | 122 | wurden.</p> </td> <td nosave="">header, |
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| 123 | check_parameters</td> </tr> <tr nosave="" valign="top"> <td nosave="">"</td> <td>SR</td> |
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| 124 | <td>1.0</td> <td>N</td> <td>Das |
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| 125 | erlaubte Maximum und Minimum der Rif-Zahl ist nun mittels |
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[5] | 126 | der Initialparameter |
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| 127 | rif_max und rif_min einstellbar (Werte waren bisher fest auf -2.0, +1.0 |
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[62] | 128 | eingestellt).</td> <td>check_parameters, header, |
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| 129 | init_1d_model, modules, parin, |
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[5] | 130 | prandtl_fluxes, |
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[62] | 131 | read_var_list, write_var_list</td> </tr> <tr nosave="" valign="top"> <td nosave="">23/09/98</td> |
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| 132 | <td>SR</td> <td>1.0</td> <td>B</td> |
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| 133 | <td>Initialisierung von Feldern im Fall von initializing_action = |
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[5] | 134 | "<i>set_constant_profiles</i>" |
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[62] | 135 | und "<i>set_1d-model_profiles</i>" korrigiert. <p>2D-Plotausgabe |
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| 136 | von u* und theta* korrigiert. Hier wurden |
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[5] | 137 | bisher falsche |
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[62] | 138 | Felder herausgeschrieben. </p> <p>Bei |
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| 139 | SOR-Aufrufen war bisher dp nicht initialisiert. |
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| 140 | Entsprechend geändert.</p> </td> <td>init_3d_model, |
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| 141 | plot_2d, pres</td> </tr> <tr nosave="" valign="top"> <td>"</td> <td>SR</td> |
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| 142 | <td>1.0</td> <td>C</td> <td nosave="">Ausgabeformate |
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| 143 | für Statistik-Ausgaben auf |
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[5] | 144 | Datei RUN_CONTROL |
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[62] | 145 | um einige Kommastellen erweitert. <p>Lieferung von |
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| 146 | ausführlicheren Informationen bei |
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[5] | 147 | Programmabbruch |
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[62] | 148 | durch Unterschreitung des minimal erlaubten Zeitschritts.</p> </td> |
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| 149 | <td>run_control, timestep</td> </tr> <tr nosave="" valign="top"> <td nosave="">"</td> |
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| 150 | <td>SR</td> <td>1.0</td> <td>N</td> |
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| 151 | <td>Rechnungen mit geneigter Ebene zur Simulation von |
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[5] | 152 | Kaltluftabflüssen |
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| 153 | sind erlaubt. Gestartet und gesteuert werden sie mit dem |
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| 154 | Intialisierungsparameter <tt>alpha_surface</tt>. |
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| 155 | Realisiert wird die geneigte Ebene durch entsprechende |
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| 156 | Schrägstellung |
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[62] | 157 | des Schwerkraftvektors. Dadurch erhält auch die u-Komponente |
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| 158 | der |
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[5] | 159 | Windgeschwindigkeit |
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[62] | 160 | einen Anteil der Auftriebskraft. <p>Diese |
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| 161 | Implementierung ist noch nicht abgeschlossen. Die |
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[5] | 162 | Simulation von |
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| 163 | Kaltluftabflüssen erfordert bisher noch Eingriffe "von Hand".</p> |
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[62] | 164 | </td> <td>buoyancy, check_parameters, header, leap_frog, |
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| 165 | modules, |
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[5] | 166 | parin, prandtl_fluxes, |
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[62] | 167 | read_var_list, write_var_list</td> </tr> <tr nosave="" valign="top"> <td>15/12/98</td> <td>SR</td> |
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| 168 | <td>1.0</td> <td>N</td> <td>Vereinbarung |
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| 169 | einer Cache-Layer zur schnelleren binären |
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[5] | 170 | I/O auf |
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[62] | 171 | T3E-Rechnern. <p>Ermittelung wahrer I/O-Zeiten |
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| 172 | für binäre |
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[5] | 173 | Ein-/Ausgabe auf |
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[62] | 174 | T3E-Rechnern mit TIMEF.</p> </td> <td nosave="">check_open, |
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| 175 | <br>cpu_zeitmessung, init_3d_model, write_3d_model</td> </tr> |
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| 176 | <tr nosave="" valign="top"> <td nosave="">"</td> |
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| 177 | <td>SR</td> <td>1.0</td> <td>B</td> |
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| 178 | <td>Bekanntgabe von run_description_header an alle |
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| 179 | PE's. <p>Diese Programmänderung erfordert auf |
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| 180 | T3E-Rechnern |
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[5] | 181 | zwingend den |
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| 182 | Einsatz der MPI-Version mpt.1.2.0.1. In dieser neuen Version tritt auch |
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[62] | 183 | der alte Fehler in MPI_ALLREDUCE nicht mehr auf, so daß ab |
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| 184 | jetzt |
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| 185 | mpt.1.1.0.1 nicht mehr verwendet werden muß.</p> </td> |
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| 186 | <td>parles</td> </tr> <tr nosave="" valign="top"> <td nosave="">05/02/99</td> |
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| 187 | <td>SR</td> <td>1.1</td> <td>C/N</td> |
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| 188 | <td>Implementierung des Upstream-Spline- Verfahrens zur Advektion |
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[5] | 189 | von Impuls |
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[62] | 190 | und skalaren Größen (neue UP's, s. rechts). |
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| 191 | Berechnung von |
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[5] | 192 | Variablen |
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[62] | 193 | für spezielle Advektionsverfahren in eigenständiges |
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| 194 | UP |
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[5] | 195 | ausgelagert |
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[62] | 196 | (<tt>init_advec</tt> + eigenes Modul <tt>advection</tt>). |
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| 197 | Reines |
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[5] | 198 | Euler-/Upstream-Verfahren |
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[62] | 199 | kann gerechnet werden. <p>Schnelle binäre I/O |
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| 200 | (s. 15/12/98) wieder abgeschaltet, da |
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[5] | 201 | Dateien |
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[62] | 202 | nicht wieder einlesbar sind. Druckstörung (p) wird zu Beginn |
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| 203 | auf 0 |
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[5] | 204 | gesetzt, damit sie keine Tendenzen im ersten Zeitschritt hervorruft.</p> |
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[62] | 205 | </td> <td>advec_s_bc, check_open, check_parameters, |
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| 206 | flow_statistics, |
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[5] | 207 | header, |
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| 208 | init_3d_model, init_grid, leap_frog, modules, parin, plot_2d, plot_ts, |
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[62] | 209 | read_var_list, timestep, write_3d_binary, write_var_list <p><b>Neu:</b> |
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| 210 | <br> |
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[5] | 211 | advec_s_ups, advec_u_ups, advec_v_ups, advec_w_ups, init_advec, |
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| 212 | long_filter, |
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[62] | 213 | spline_x, spline_y, spline_z</p> </td> </tr> <tr nosave="" valign="top"> <td nosave="">24/02/99</td> |
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| 214 | <td>SR</td> <td>1.1a</td> <td>C/N</td> |
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| 215 | <td>Kleinere Ergänzungen / Änderungen |
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| 216 | für Upstream |
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[5] | 217 | - Spline, <br> |
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| 218 | Diverse Verbesserungen bei Berechnung der Diffusionskoeffizienten |
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| 219 | (exaktere |
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| 220 | Formulierung von Scherungen, Dissipation gemaess Original - Deardorff - |
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| 221 | Ansatz, Mischungswegreduktion nur, wenn Schichtung sowohl oberhalb als |
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| 222 | auch unterhalb des entsprechenden Gitterpunktes stabil ist), |
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| 223 | Wertebegrenzung |
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| 224 | bei Spline - Berechnung zur Verhinderung von "Überschwingern"</td> |
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[62] | 225 | <td>check_parameters, diffusion_e, diffusion_pt, diffusivities, |
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[5] | 226 | header, |
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| 227 | init_advec, long_filter, modules, production_e, spline_x, spline_y, |
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[62] | 228 | spline_z</td> </tr> <tr nosave="" valign="top"> |
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| 229 | <td>"</td> <td nosave="">SR</td> <td>1.1a</td> |
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| 230 | <td>N/B</td> <td>Erweiterung des des Bott - Chlond - |
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| 231 | Schemas auf Advektion der |
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[5] | 232 | TKE, |
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| 233 | Korrektur der Dichteberechnung (war falsch bei Galilei-Transformation)</td> |
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[62] | 234 | <td>advec_s_bc, leap_frog</td> </tr> <tr nosave="" valign="top"> <td nosave="">01/03/99</td> |
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| 235 | <td>MS</td> <td>1.1b</td> <td>N</td> |
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| 236 | <td>Kleinere Ergänzungen für Upstream - |
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| 237 | Spline: <ul> <li>Gradientenkontrolle |
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| 238 | für den nicht-parallelen Teil</li> <li>statistische |
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| 239 | Auswertung über den prozentualen Anteil |
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[5] | 240 | des |
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| 241 | Upstream-Verfahrens |
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[62] | 242 | an der Gesamtadvektion fuer nicht-parallelen Teil</li> </ul> |
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| 243 | </td> <td>modules, spline_x, spline_y, spline_z</td> |
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| 244 | </tr> <tr nosave="" valign="top"> <td>"</td> |
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| 245 | <td>SR</td> <td>1.1b</td> <td>N</td> |
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| 246 | <td>Datenkompression für 3D-Plotausgaben</td> <td nosave="">check_open, check_parameters, close_files, header, |
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[5] | 247 | modules, |
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[62] | 248 | parin, plot_3d <p><b>Neu:</b> <br> |
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| 249 | write_compressed</p> </td> </tr> <tr nosave="" valign="top"> <td nosave="">03/03/99</td> |
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| 250 | <td>SR</td> <td>1.1c</td> <td>B/C</td> |
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| 251 | <td>Schnelle binäre I/O auf T3E-Rechnern funktioniert |
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| 252 | jetzt. |
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[5] | 253 | Beim |
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| 254 | binären Einlesen dürfen Records nicht mit dem Trick "<tt>READ |
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[62] | 255 | (..) idum</tt>" überlesen werden. Zeitmessungen auf T3E |
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| 256 | erfolgen |
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[5] | 257 | jetzt |
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[62] | 258 | grundsätzlich mit <tt>TIMEF.</tt></td> <td>check_open, |
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| 259 | cpu_zeitmessung, init_3d_model, modules, |
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| 260 | write_3d_binary</td> </tr> <tr nosave="" valign="top"> <td nosave="">25/03/99</td> |
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| 261 | <td>SR</td> <td>1.1d</td> <td>N</td> |
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| 262 | <td>Einbau einer Rayleigh-Dämpfungsschicht sowie |
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| 263 | flexiblere |
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[5] | 264 | Wahl der |
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| 265 | numerischen Begrenzer für das Upstream - Spline - Verfahren.</td> |
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[62] | 266 | <td>check_parameters, header, init_3d_model, leap_frog, modules, |
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[5] | 267 | parin, |
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[62] | 268 | read_var_list, spline_x, spline_y, spline_z, write_var_list</td> </tr> |
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| 269 | <tr nosave="" valign="top"> <td nosave="">"</td> |
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| 270 | <td>SR</td> <td>1.1d</td> <td>B</td> |
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| 271 | <td>Korrektur des Zeitschrittkriteriums bei z=zp im 1D-Modell</td> |
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| 272 | <td>init_1d_model</td> </tr> <tr nosave="" valign="top"> <td>25/11/99</td> <td>SR</td> |
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| 273 | <td>1.1e</td> <td>N</td> <td nosave="">Partikelplots |
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| 274 | mit vtk-Graphiksoftware sind auf t3eh |
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[5] | 275 | möglich. |
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| 276 | Ausgabe erfolgt im dvr-Format. Bisher noch nicht nutzbar, da noch |
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| 277 | Einstellmöglichkeiten |
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[62] | 278 | für die Partikelquelle(n) fehlen. <b>Wichtig:</b> |
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| 279 | Die Benutzung |
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[5] | 280 | der |
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| 281 | vtk-Software erfordert die zusätzliche mrun-Option <tt>-g</tt>. |
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| 282 | Das |
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[62] | 283 | Hauptprogramm <tt>parles</tt> wird in diesem Fall zum |
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| 284 | Unterprogramm |
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[5] | 285 | und |
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[62] | 286 | von einem c++-Programm aus aufgerufen.</td> <td>header, |
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| 287 | init_3d_model, init_pegrid, leap_frog, modules, |
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[5] | 288 | parin, parles, |
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[62] | 289 | read_var_list, write_var_list <p><b>Neu:</b> |
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| 290 | <br> |
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| 291 | advec_particles, init_particles, plot_particles</p> </td> </tr> |
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| 292 | <tr nosave="" valign="top"> <td>"</td> |
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| 293 | <td>SR</td> <td>1.1e</td> <td nosave="">B/C</td> |
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| 294 | <td>TIMEF-Zeitmessungen von Subroutine- auf Function-Aufruf |
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[5] | 295 | umgestellt. |
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[62] | 296 | Laufindexkorrektur in <tt>spline_y</tt>. Fehler trat bei |
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| 297 | nx /= ny auf.</td> <td>cpu_zeitmessung, spline_y</td> |
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| 298 | </tr> <tr nosave="" valign="top"> <td nosave="">28/12/99</td> <td>SR</td> <td>1.1f</td> |
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| 299 | <td>N</td> <td>Plot von Isooberflächen mit |
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| 300 | vtk-Graphiksoftware sind auf |
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[5] | 301 | t3eh |
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| 302 | möglich. Ausgabe erfolgt im dvr-Format. Bisher noch nicht |
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| 303 | allgemein |
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| 304 | nutzbar, da noch diverse manuelle Eingriffe nötig sind.</td> |
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[62] | 305 | <td>header, leap_frog, modules, parin, plot_particles, |
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| 306 | read_var_list, write_var_list <p><b>Neu:</b> |
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| 307 | <br> |
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| 308 | plot_isosurface</p> </td> </tr> <tr nosave="" valign="top"> <td nosave="">10/01/00</td> |
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| 309 | <td>SR</td> <td>1.2</td> <td>C</td> |
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| 310 | <td>Randbedingungen für w (=0) werden explizit gesetzt, |
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| 311 | und |
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[5] | 312 | zwar nicht |
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[62] | 313 | nur bei <tt>k = nzb, nzt+1</tt> sondern auch |
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| 314 | bei <tt>k = |
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[5] | 315 | nzt</tt>, |
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| 316 | wo bislang der vom vorigen Zeitschritt durch den Drucklöser |
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| 317 | ermittelte |
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| 318 | Wert stand. Auch jetzt wird der Wert bei k = nzt anschließend |
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| 319 | durch |
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[62] | 320 | den Drucklöser modifiziert. Soweit bis jetzt abzusehen, hat |
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| 321 | diese |
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| 322 | Änderung nur minimale Auswirkungen auf den Prognoseverlauf. |
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| 323 | Evtl. |
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[5] | 324 | gibt es stärkere Auswirkungen bei exzessivem Auftreten von |
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| 325 | Schwerewellen |
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| 326 | am oberen Rand (die dort aber eigentlich sowieso nicht |
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| 327 | hingehören). <br> |
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[62] | 328 | Variablenübergabe an <tt>boundary_conds</tt> |
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| 329 | erfolgt <br> |
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| 330 | über Modul und nicht mehr per Parameterliste. <p>Bei |
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| 331 | Galilei-Transformation wird jetzt defaultmäßig |
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[5] | 332 | der geostrophische |
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| 333 | Wind als Translationsgeschwindigkeit verwendet (neuer |
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| 334 | Initialisierungsparameter <tt>use_ug_for_galilei_tr</tt>). |
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| 335 | Dadurch wird das verstärkte Auftreten von Schwerewellen bei |
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| 336 | höheren |
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| 337 | geostrophischen Windgeschwindigkeiten unterdrückt. </p> |
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[62] | 338 | <p>3D-Feldvariablen (u, v, w, pt, e, km, kh) sowie einige |
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[5] | 339 | 2D-Variablen |
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| 340 | (usws, vsws, rif, shf) sind nun als Pointer deklariert, denen nach |
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| 341 | jedem |
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| 342 | Zeitschritt neue Targets zugeordnet werden (für die |
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| 343 | benötigten |
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| 344 | 3 Zeitebenen existieren die Targets ..._1 (z.B. u_1), ..._2, ..._3). |
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| 345 | Durch |
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[62] | 346 | die jeweilige Neuzuordnung der Targets entfällt das |
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| 347 | Umspeichern |
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[5] | 348 | der |
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[62] | 349 | Zeitebenen komplett (Zeitersparung: ca. 5% der |
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| 350 | Gesamtrechenzeit). <br> |
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[5] | 351 | Die Umordnung der Zeitebenen wurde ins neue UP <tt>swap_timelevel</tt> |
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[62] | 352 | ausgelagert. <br> <b>Wichtig:</b> Die |
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| 353 | Übersetzungszeiten haben durch die |
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[5] | 354 | Einführung |
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| 355 | der Pointer t.w. sehr deutlich zugenommen (<tt>leap_frog</tt> |
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| 356 | benötigt |
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[62] | 357 | jetzt z.B. ca. 60 Sekunden). Außerdem benötigt der |
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| 358 | Compiler |
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[5] | 359 | jetzt wesentlich mehr Speicher. Der "memory"-Parameter in den |
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| 360 | Konfigurationsdateien |
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| 361 | (.mrun.config, .al.config) muss nun mindestens den Wert 60 (MB) (t3eh, |
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[62] | 362 | t3ej2) bzw. 45 (t3eb) und 96 (vpp) haben. <br> <b>Achtung:</b> |
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| 363 | bislang wurde diese Änderung nur für |
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[5] | 364 | das |
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[62] | 365 | reine Leapfrog-Verfahren getestet! </p> <p>Neue |
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| 366 | Laderoption "<tt>-D preset=nan</tt>" empfohlen (s. |
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[5] | 367 | Beispiel-Konfigurationsdatei). |
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[62] | 368 | Ebenso empfehlenswert für Debug-Läufe: Compileroption |
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| 369 | "<tt>-ei</tt>". |
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[5] | 370 | Diese bewirkt einen Programmabbruch, falls mit nicht initialisierten |
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| 371 | Variablen |
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| 372 | gearbeitet wird (ist aber zeitaufwendig in der Ausführung!).</p> |
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[62] | 373 | </td> <td>boundary_conds, check_parameters, header, |
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| 374 | init_3d_model, |
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[5] | 375 | leap_frog, |
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[62] | 376 | modules, parin, read_var_list, timestep, write_var_list <p><b>Neu:</b> |
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| 377 | <br> |
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| 378 | swap_timelevel</p> </td> </tr> <tr nosave="" valign="top"> <td nosave="">10/01/00</td> |
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| 379 | <td>SR</td> <td>1.2</td> <td>B</td> |
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| 380 | <td>Der Asselin-Filter wird vor Umordnung der Zeitebenen |
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[5] | 381 | aufgerufen. Dies |
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| 382 | geschah bisher fälschlicherweise erst danach, sodass der |
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| 383 | Zeitfilter |
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[62] | 384 | asymmetrisch arbeitete. <br> <b>Achtung:</b> |
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| 385 | diese Änderung hat Auswirkungen auf den |
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[5] | 386 | Prognoseverlauf. |
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| 387 | Die Testergebnis-Datei wurde entsprechend geändert.</td> |
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[62] | 388 | <td>leap_frog</td> </tr> <tr nosave=""> |
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| 389 | <td nosave="" valign="top">14/02/00</td> <td nosave="" valign="top">MS</td> <td nosave="" valign="top">1.2</td> <td nosave="" valign="top">B/C</td> <td><b>1D-Modell:</b> |
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| 390 | <br> |
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[5] | 391 | Der Asselin-Filter im 1D-Modell wird nun auch vor der Umordnung der |
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[62] | 392 | Zeitebenen aufgerufen (s.o.). <p><b>3D-Modell:</b> |
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| 393 | <br> |
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| 394 | TKE wurde bisher bei <tt>scalar_advec=bc-scheme</tt> einer |
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| 395 | zeitlichen |
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| 396 | Filterung unterzogen. Dies wird nun unterbunden. </p> <p>Die |
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| 397 | Divergenz der Impulsflüsse an der Prandtl - Schicht - |
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[5] | 398 | Obergrenze |
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| 399 | wird nun über eine ganze Gitterweite gebildet. Die bisherige |
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| 400 | Methode |
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| 401 | lieferte im Vergleich mit Ergebnissen anderer LES-Modelle zu |
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| 402 | große |
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[62] | 403 | Impulsflüsse. </p> <p>Bei der |
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| 404 | Berechnung der Diffusion der Temperatur werden die |
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[5] | 405 | Diffusionskoeffizienten |
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| 406 | nun wieder durch Mittelung für die entsprechenden |
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| 407 | Gitterpunkte |
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| 408 | bereitgestllt. Das Maximumkriterium, das im Zuge der Implementierung |
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| 409 | des |
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| 410 | Upstream-Spline Advektionsverfahrens eingebaut wurde, bewirkte ein zu |
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| 411 | rasches |
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[62] | 412 | Anwachsen der Grenzschicht mit der Zeit. </p> <p><b>Achtung:</b> |
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| 413 | diese Änderungen haben Auswirkungen auf |
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[5] | 414 | den Prognoseverlauf. |
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[62] | 415 | Die Testergebnis-Datei wurde entsprechend geändert.</p> </td> |
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| 416 | <td nosave="" valign="top">init_1d_model, |
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| 417 | asselin_filter, |
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[5] | 418 | diffusion_u, diffusion_v, <br> |
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[62] | 419 | diffusion_pt</td> </tr> <tr nosave="" valign="top"> <td nosave="">17/02/00</td> |
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| 420 | <td>MS</td> <td>2.0</td> <td>N</td> |
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| 421 | <td><b>Allgemeine Beschreibung der Änderungen:</b> |
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| 422 | <br> |
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| 423 | vollständige Implementierung des wolkenphysikalischen |
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| 424 | Moduls <p>Zur Implementierung der Wolkenphysik waren |
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| 425 | umfangreiche |
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[5] | 426 | Änderungen |
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| 427 | in zahlreichen Programmteilen notwendig (Beschreibung <a href="#Cloud_physics">siehe |
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| 428 | unten</a> ). Im einzelnen wurden folgende Unprogramme |
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[62] | 429 | geändert: <br> <b>modules</b>: |
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| 430 | <br>1) Bereitstellung neuer 3D-, 2D- und 1D-Felder für |
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| 431 | die Prognose |
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[5] | 432 | des Gesamtwassergehaltes <br> |
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| 433 | 2) "cloud_parameters" als neues Modul mit wolkenphysikalischen |
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[62] | 434 | Variablen <br> <b>parin: </b>Initialisierungsparameterliste |
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| 435 | wurde erweitert |
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| 436 | (s.u.) <br> <font color="#000000"><b>read_var_list, |
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| 437 | write_var_list, |
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[5] | 438 | write_3d_binary: </b>In/Output |
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| 439 | der neuen Initialisierungsparamter und Felder für |
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[62] | 440 | Fortsetzungsläufe </font> <br> <font color="#000000"><b>check_parameters:</b> |
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| 441 | Initialisierung |
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[5] | 442 | des |
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[62] | 443 | Feuchteprofils und Ausgabe von neuen Vertikalprofilen: </font> |
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| 444 | <br> <font color="#ff0000">vpt</font><font color="#000000">: virtuelle |
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[5] | 445 | poteniellen |
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[62] | 446 | Temperatur,</font> <br> <font color="#ff0000">lpt</font><font color="#000000">: |
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[5] | 447 | potentielle |
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[62] | 448 | Flüssigwassertemperatur,</font> <br> <font color="#ff0000">q</font><font color="#000000">: |
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| 449 | Gesamtwassergehalt,</font> <br> <font color="#ff0000">qv</font><font color="#000000">: |
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[5] | 450 | spezifische |
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[62] | 451 | Feuchte,</font> <br> <font color="#ff0000">ql</font><font color="#000000">: |
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| 452 | Flüssigwassergehalt,</font> <br> <font color="#ff0000">w"vpt", w*vpt*, wvpt</font><font color="#000000">: |
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[5] | 453 | Auftriebsfluss (subskalig, aufgelöst, gesamt),</font> <br> |
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[62] | 454 | <font color="#ff0000">w"q", w*q*, wq</font><font color="#000000">: |
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| 455 | Wasserfluss (subs., aufg., ges.),</font> <br> <font color="#ff0000">w"qv", w*qv*, wqv</font><font color="#000000">: |
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| 456 | Feuchtefluss (subs, aufg., ges.)</font> <br> <b>init_3d_model</b>: |
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| 457 | Initialisierung aller |
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| 458 | Feuchte/Wasserfelder <br> <b>init_1d_model</b>: |
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| 459 | Anpassung an Rechnungen mit Feuchte <br> <b>header</b>: |
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| 460 | Headerausgaben für Feuchtebehandlung und |
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[5] | 461 | Wolkenphysik |
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| 462 | eingefügt, außerdem Formatnummern erweitert um Platz |
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| 463 | für |
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[62] | 464 | weitere Ausgaben zu schaffen <br> <b>leap_frog:</b> |
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| 465 | <br> |
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[5] | 466 | 1) alle prognostischen Gleichungen wurden in prognostic_equations |
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| 467 | ausgelagert <br> |
---|
| 468 | 2) Aufrufe der neuen Unterprogramme (UP) compute_vpt, |
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| 469 | calc_liquid_water_content <br> |
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[62] | 470 | 3) veraenderter Aufruf von diffusivities <br> <b><tt>b</tt>oundary_conds, |
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| 471 | asselin_filter, swap_timelevel, |
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[5] | 472 | flow_statistics: </b>Anpassung |
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[62] | 473 | an Feuchtebehandlung <br> <b>plot2d, plot3d</b>: |
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| 474 | Ausgabemöglichkeiten von q und ql <br> <b>buoyancy</b>: |
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| 475 | Anpassung des Autriebstermes an |
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[5] | 476 | Feuchtebehandlung |
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| 477 | durch neue Übergabeparameter: Temperatur + Nummer des |
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| 478 | entsprechenden |
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[62] | 479 | mittleren Temperaturprofils <br> <b>diffusion_e</b>: |
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| 480 | Anpassung der Mischungswegberechnung an |
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[5] | 481 | Feuchtebehandlung |
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[62] | 482 | durch Variation der Übergabeparameter <br> <b>production_e</b>: |
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| 483 | TKE-Produktion durch Auftriebskräfte an |
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[5] | 484 | Feuchtebehandlung |
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[62] | 485 | angepasst <br> <b>diffusivities</b>: |
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| 486 | siehe diffusion_e <br> <b>prandtl-fluxes</b>: |
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| 487 | Prandtl-Schicht fuer den |
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[5] | 488 | Gesamtwassergehalt |
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[62] | 489 | eingefügt </p> <p>Zusätzlich |
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| 490 | wurden folgende Unterprogramme NEU |
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| 491 | eingeführt: <br> <b>inti_cloud_physics</b>: |
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| 492 | Initialisierung wolkenphysikalischer |
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| 493 | Parameter <br> <b>prognostic_equations</b>: |
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| 494 | Auslagerung der prognostischen |
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[5] | 495 | Gleichungen |
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[62] | 496 | aus leap_frog, zusätzliche porgnostische Gleichung |
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| 497 | für den |
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| 498 | Gesamtwassergehalt <br> <b>diffusion_s</b>: |
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| 499 | Berechnung der Diffusion skalarer |
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[5] | 500 | Größen |
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| 501 | (Temperatur und Gesamtwassergehalt), ersetzt diffusion_pt <br> |
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[62] | 502 | <b>calc_liquid_water_content</b>: Berechnung des |
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| 503 | Flüssigwassergehalts <br> <b>calc_radiation</b>: |
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| 504 | Parametrisierung langwelliger |
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[5] | 505 | Strahlungsprozesse |
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| 506 | über des Schema der effektiven Emissivität <br> |
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[62] | 507 | <b>calc_precipitation</b>:Parametrisierung von |
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[5] | 508 | Niederschlagsprozessen |
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[62] | 509 | mit Hilfe eines vereinfachten Kesslerschemas <br> <b>impact_of_latent_heat</b>: |
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| 510 | Berücksichtigung der durch |
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[5] | 511 | Niederschlagsprozesse |
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| 512 | zurückbleibenden latenten Waerme innerhalb eines |
---|
[62] | 513 | Gittervolumens <br> <b>compute_vpt</b>: |
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| 514 | Berechnung der virtuellen potentiellen |
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| 515 | Temperatur </p> <p><b>Liste der neuen |
---|
| 516 | Initialisierungsparameter:</b> <br> <table nosave="" border="1"> <caption> <br> </caption><tbody> |
---|
| 517 | </tbody><tbody> </tbody> <tbody> <tr nosave=""> <td nosave=""><b>Parameter</b></td> |
---|
| 518 | <td nosave=""><b>Typ</b></td> <td nosave="" width="4%"><b>Default</b></td> |
---|
| 519 | <td nosave=""><b>Beschreibung</b></td> </tr> |
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| 520 | <tr nosave=""> <td nosave=""><tt>moisture</tt></td> |
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| 521 | <td>L</td> <td>FALSE</td> <td>Ab-/Zuschalten |
---|
| 522 | des Gesamtwassergerhaltes als neue |
---|
| 523 | progn. Variable</td> </tr> <tr> <td><tt>cloud_physics</tt></td> |
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| 524 | <td>L</td> <td>FALSE</td> <td>Ab-/Zuschalten |
---|
| 525 | des Kondensationsschemas</td> </tr> <tr nosave=""> |
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| 526 | <td><tt>radiation</tt></td> <td>L</td> |
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| 527 | <td nosave="">FALSE</td> <td>Ab-/Zuschalten |
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| 528 | des Strahlungsschemas</td> </tr> <tr> <td><tt>precipitation</tt></td> |
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| 529 | <td>L</td> <td>FALSE</td> <td>Ab-/Zuschalten |
---|
| 530 | der Niderschlagsparametrisierung</td> </tr> <tr> <td><tt>bc_q_b</tt></td> |
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| 531 | <td>C</td> <td>'dirichlet'</td> <td>untere |
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| 532 | Randbedingung für q (siehe auch bc_pt_b)</td> </tr> |
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| 533 | <tr> <td><tt>bc_q_t</tt></td> <td>C</td> |
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| 534 | <td>'neumann'</td> <td>obere RB für q |
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| 535 | (siehe auch bc_pt_t)</td> </tr> <tr> <td><tt>q_surface</tt></td> |
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| 536 | <td>R</td> <td>0.0</td> <td>Feuchtewert |
---|
| 537 | an der Erdoberfläche</td> </tr> <tr> <td><tt>q_surface_initial_change</tt></td> |
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| 538 | <td>R</td> <td>0.0</td> <td>vgl. |
---|
| 539 | pt_surface_initial_change</td> </tr> <tr> <td><tt>q_vertical_gradient</tt></td> |
---|
| 540 | <td>R(10)</td> <td>0.0</td> <td>vgl. |
---|
| 541 | pt_vertical_gradient</td> </tr> <tr nosave=""> |
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| 542 | <td nosave=""><tt>q_vertical_gradient_level</tt></td> |
---|
| 543 | <td>R(10)</td> <td>10000.0</td> <td>vgl. |
---|
| 544 | pt_vertical_gradient_level</td> </tr> <tr> <td><tt>surface_pressure</tt></td> |
---|
| 545 | <td>R</td> <td>1013.25</td> <td>Luftdruck |
---|
| 546 | an der Erdoberfläche</td> </tr> <tr> <td><tt>surface_waterflux</tt></td> |
---|
| 547 | <td>R</td> <td>0.0</td> <td>oberflächennaher |
---|
| 548 | Wasser/Feuchtefluss</td> </tr> </tbody> </table> |
---|
| 549 | Fortsetzungsläufe mit Daten, die mit Modellversionen kleiner |
---|
| 550 | 2.0 |
---|
[5] | 551 | erzeugt |
---|
| 552 | wurden, sind aufgrund der erweiterten Initialisierungsparameterliste |
---|
| 553 | INKOMPATIBEL |
---|
| 554 | zu den Einleseroutinen der Version 2.0. Ein Update auf Version 2.0 |
---|
| 555 | sollte |
---|
[62] | 556 | deshalb nach Abschluss eines kompletten Modelllaufs erfolgen. |
---|
| 557 | </p> <p><b>Achtung:</b> diese |
---|
| 558 | Änderungen haben Auswirkungen auf |
---|
[5] | 559 | den Prognoseverlauf. |
---|
[62] | 560 | Die Testergebnis-Datei wurde entsprechend geändert.</p> </td> |
---|
| 561 | <td nosave="" valign="top">modules, parin, |
---|
| 562 | read_var_list, |
---|
[5] | 563 | check_parameters, |
---|
| 564 | init_3d_model, init_1d_model, header, leap_frog. buoyancy, diffusion_e, |
---|
| 565 | production_e, diffusivities, prandtl_fluxes, boundary_conds, |
---|
| 566 | asselin_filter, |
---|
| 567 | swap_timelevels, flow_statistics, plot_2d, plot_3d, write_var_list, |
---|
[62] | 568 | write_3d_binary <p><b>Neu:</b> <br> |
---|
[5] | 569 | init_cloud_physics, prognostic_equations, diffusion_s, |
---|
| 570 | calc_liquid_water_content, |
---|
| 571 | calc_radiation, calc_precipitation, impact_of_latent_heat, comute_vpt</p> |
---|
[62] | 572 | </td> </tr> <tr nosave=""> <td nosave="" valign="top">18/02/00</td> <td nosave="" valign="top">MS</td> <td nosave="" valign="top">2.0</td> <td nosave="" valign="top">B/N</td> <td>Im Zuge der |
---|
| 573 | Umstellung auf Modellversion 2.0 wurden |
---|
[5] | 574 | noch kleine |
---|
[62] | 575 | Änderungen an den Unterprogrammen diffusion_e, production_e |
---|
| 576 | und |
---|
[5] | 577 | diffusivities |
---|
| 578 | vorgenommen. In allen genannten <br> |
---|
| 579 | Unterprogrammen wurde bisher ein strengeres Kriterium zur Bestimmung |
---|
[62] | 580 | der Schichtungsverhältnisse verwendet. Ein Modellvergleich |
---|
| 581 | zeigte |
---|
[5] | 582 | jedoch, dass dadurch die Diffusion im Bereich der Inversion zu gross |
---|
[62] | 583 | wird. <p>Eine weitere Ergänzung betrifft die |
---|
[5] | 584 | Advektionsverfahren: <br> |
---|
[62] | 585 | Das Bott-Chlond Advektionsverfahren ist nun auch für |
---|
| 586 | Rechnungen |
---|
| 587 | mit Feuchte/Wolkenphysik verfügbar. </p> <p><b>Achtung:</b> |
---|
| 588 | diese Änderungen haben Auswirkungen auf |
---|
[5] | 589 | den Prognoseverlauf. |
---|
[62] | 590 | Die Testergebnis-Datei wurde entsprechend geändert.</p> </td> |
---|
| 591 | <td nosave="" valign="top">diffusion_e, |
---|
| 592 | production_e, |
---|
| 593 | diffusivities, check_parameters</td> </tr> <tr nosave="" valign="top"> <td nosave="">26/04/00</td> |
---|
| 594 | <td>SR</td> <td>2.0a</td> <td>C</td> |
---|
| 595 | <td>Vollständige Umstellung von vtk-Grafik-Software auf |
---|
[5] | 596 | dvrp-Software. |
---|
| 597 | Grafik-Ausgaben im dvr-Format sind mittlerweile begrenzt nutzbar |
---|
| 598 | (Isooberflächen |
---|
[62] | 599 | sind darstellbar, siehe neue Laufparameter <tt>dt_dvrp, |
---|
| 600 | threshold</tt>), |
---|
[5] | 601 | es wird aber in der Anwendung in naher Zukunft noch diverse |
---|
| 602 | Änderungen |
---|
| 603 | geben. Partikelausgabe vorerst nicht mehr möglich (Verlagerung |
---|
[62] | 604 | schon).</td> <td>header, init_particles, init_3d_model, |
---|
| 605 | leap_frog, modules, |
---|
[5] | 606 | parin, parles, |
---|
[62] | 607 | read_var_list, write_var_list <br> <b>Gestrichen:</b> |
---|
| 608 | <br> |
---|
| 609 | plot_isosurface, plot_particles <p><b>Neu:</b> |
---|
| 610 | <br> |
---|
| 611 | init_dvrp, plot_dvrp</p> </td> </tr> <tr nosave="" valign="top"> <td nosave="">26/04/00</td> |
---|
| 612 | <td>SR</td> <td>2.0a</td> <td>C</td> |
---|
| 613 | <td>Durch zusätzlichen zyklischen Rand im |
---|
| 614 | Bott-Chlond-Schema |
---|
[5] | 615 | sehr |
---|
| 616 | viele SENDRECV-Aufrufe eingespart. <br> |
---|
[62] | 617 | Änderung des Namens einer eingelesenen Environment-Variablen |
---|
| 618 | in <tt>check_open</tt> |
---|
| 619 | von <tt>remote_addres</tt> nach <tt>return_addres</tt>. |
---|
| 620 | <br>Prozessor-Topologie kann durch Benutzer vorgegeben werden. |
---|
| 621 | Dazu neue |
---|
| 622 | Initialisierungsparameter <tt>npex</tt> und <tt>npey</tt>. |
---|
| 623 | Durch |
---|
[5] | 624 | Änderungen |
---|
| 625 | am Header-Format wurde Testergebnis-Datei geändert.</td> |
---|
[62] | 626 | <td>advec_s_bc, check_open, header, init_pegrid, modules, parin, |
---|
[5] | 627 | read_var_list, |
---|
[62] | 628 | write_var_list</td> </tr> <tr nosave="" valign="top"> <td nosave="">26/04/00</td> |
---|
| 629 | <td>SR</td> <td>2.0a</td> <td>N</td> |
---|
| 630 | <td>Rechnungen mit geneigter Oberfläche erlauben jetzt |
---|
| 631 | die |
---|
[5] | 632 | Vorgabe |
---|
| 633 | eines stabil geschichteten Temperaturprofils mit konstantem Gradienten. |
---|
| 634 | Hinzuschalten von Feuchte funktioniert für Hangrechnungen noch |
---|
[62] | 635 | nicht.</td> <td>advec_s_bc, buoyancy, init_3d_model, |
---|
| 636 | modules, |
---|
| 637 | prognostic_equations <p><b>Neu:</b> <br> |
---|
| 638 | init_slope</p> </td> </tr> <tr nosave="" valign="top"> <td>13/06/00</td> <td>MS</td> |
---|
| 639 | <td>2.0a</td> <td nosave="">B</td> <td>Es |
---|
| 640 | werden nun auch die seitlichen Ränder für ql |
---|
[5] | 641 | gesetzt. |
---|
| 642 | Ein Nichtsetzen der Randbedingungen führte zu Fehlern bei der |
---|
| 643 | Ausgabe |
---|
[62] | 644 | von pt</td> <td nosave="">calc_liquid_water_content</td> |
---|
| 645 | </tr> <tr nosave="" valign="top"> <td nosave="">03/07/00</td> <td>SR</td> <td>2.0b</td> |
---|
| 646 | <td>C</td> <td>Für eine Reihe von |
---|
| 647 | Unterprogrammen, die innerhalb |
---|
[5] | 648 | von <tt>prognostic_equation</tt> |
---|
[62] | 649 | aufgerufen werden und an die Pointer-Variablen übergeben |
---|
| 650 | werden, |
---|
[5] | 651 | sind |
---|
| 652 | jetzt explizite Interfaces vereinbart (neues Modul <tt>pointer_interfaces</tt>). |
---|
| 653 | Auch im Vereinbarungsteil der entsprechenden Unterprogramme sind diese |
---|
[62] | 654 | Übergabeparameter jetzt aus Konsistenzgründen (und |
---|
| 655 | weil es |
---|
[5] | 656 | sonst |
---|
| 657 | Laufzeitfehler gibt) als Pointer-Variablen deklariert. Mit dieser |
---|
| 658 | Änderung |
---|
[62] | 659 | ist der große Speicher- und CPU-Zeit-Bedarf beim |
---|
| 660 | Übersetzen |
---|
| 661 | von prognostic_equations wieder auf ein erträgliches |
---|
| 662 | Maß |
---|
[5] | 663 | reduziert. <br> |
---|
| 664 | Im Rahmen dieser Änderungen wurde auch an diffusion_e ein |
---|
| 665 | Hilfsfeld |
---|
| 666 | weniger übergeben. <br> |
---|
[62] | 667 | Aus nicht vollständig gekärten Gründen haben |
---|
| 668 | sich die |
---|
| 669 | Zahlen in der Testergebnis-Datei minimal geändert (und zwar |
---|
| 670 | die |
---|
[5] | 671 | Spalte |
---|
| 672 | mit der Gesamtdivergenz nach Aufruf des Drucklösers).</td> |
---|
[62] | 673 | <td>advec_s_bc, buoyancy, diffusion_e, diffusion_s, diffusion_u, |
---|
[5] | 674 | diffusion_v, |
---|
| 675 | diffusion_w, disturb_field, modules, production_e, prognostic_equations</td> |
---|
[62] | 676 | </tr> <tr nosave="" valign="top"> <td nosave="">04/07/00</td> <td>SR</td> <td>2.0b</td> |
---|
| 677 | <td>B</td> <td>Diriclet-Randbedingungen für |
---|
| 678 | Temperatur und |
---|
[5] | 679 | Flüssigwassergehalt |
---|
[62] | 680 | werden gesetzt. Dies wäre bereits nach Einführung der |
---|
| 681 | Pointer |
---|
[5] | 682 | zwingend notwendig gewesen. Rechnungen mit vorgegebener |
---|
| 683 | Oberflächentemperatur |
---|
[62] | 684 | schlugen deshalb bislang fehl.</td> <td>boundary_conds</td> |
---|
| 685 | </tr> <tr nosave="" valign="top"> <td nosave="">07/09/00</td> <td>MS</td> <td>2.0b</td> |
---|
| 686 | <td>B</td> <td>Die virtuelle potenielle Temperatur |
---|
| 687 | wird nun auch für |
---|
[5] | 688 | k=nzb und |
---|
| 689 | k=nzt+1 berechnet, um die Randwerte auch für Ausgabezwecke |
---|
[62] | 690 | bereichtzustellen. </td> <td>compute_vpt</td> |
---|
| 691 | </tr> <tr nosave="" valign="top"> <td nosave="">28/12/00</td> <td>SR</td> <td>2.1</td> |
---|
| 692 | <td>C/N</td> <td>PALM erlaubt jetzt den Einsatz |
---|
| 693 | optionaler Software-Pakete, |
---|
[5] | 694 | die zwar |
---|
[62] | 695 | zum Modell gehören, standardmäßig aber |
---|
| 696 | nicht mit |
---|
[5] | 697 | übersetzt |
---|
| 698 | werden, um so unter anderem Kompilationszeit einzusparen. Siehe neues |
---|
| 699 | Kapitel |
---|
[62] | 700 | 3.7 in der Modelldokumentation. <p>Einsatz der |
---|
| 701 | dvrp-Software wurde vollständig |
---|
[5] | 702 | überarbeitet. |
---|
| 703 | Sie ist nun als Software-Paket optional im Modell einsetzbar. Siehe |
---|
| 704 | überarbeitetes |
---|
[62] | 705 | Kapitel 4.5.6 in der Modelldokumentation. </p> <p>Die |
---|
| 706 | Prognose der Partikelverlagerung ist ebenfalls in ein |
---|
[5] | 707 | optionales |
---|
[62] | 708 | Software-Paket ausgelagert.</p> </td> <td>advec_particles, |
---|
| 709 | header, init_3d_model, init_dvrp, |
---|
[5] | 710 | init_particles, |
---|
| 711 | init_pegrid, modules, parin, parles, plot_dvrp, prognostic_equations, |
---|
| 712 | read_var_list, |
---|
[62] | 713 | write_var_list <p><b>Neu:</b> <br> |
---|
| 714 | package_parin</p> </td> </tr> <tr nosave="" valign="top"> <td nosave="">28/12/00</td> |
---|
| 715 | <td>SR</td> <td>2.1</td> <td>B</td> |
---|
| 716 | <td>MPI_FINALIZE ans Ende des Hauptprogramms geschoben (stand |
---|
[5] | 717 | vorher vor |
---|
| 718 | cpu_auswertung, wo noch ein Barrier-Aufruf steht). comm2d war zu Beginn |
---|
| 719 | undefiniert und wird nun erst einmal gleich MPI_COMM_WORLD gesetzt.</td> |
---|
[62] | 720 | <td>parles</td> </tr> <tr nosave="" valign="top"> <td nosave="">02/01/01</td> |
---|
| 721 | <td>SR</td> <td>2.1a</td> <td>C</td> |
---|
| 722 | <td>Offene Dateien werden sobald möglich geschlossen. |
---|
[5] | 723 | Wiedereröffnung |
---|
| 724 | bestimmter Dateien mit POSITION='APPEND' möglich. In diesem |
---|
| 725 | Zusammenhang |
---|
| 726 | wurde das Unterprogramm close_files in close_file umbenannt und hat nun |
---|
| 727 | 1 Argument. <br> |
---|
| 728 | Anpassung der Diffusionsparametrisierung im 1D-Modell an das 3D-Modell.</td> |
---|
[62] | 729 | <td>advec_particles, check_cpu_time, check_open, cpu_auswertung, |
---|
[5] | 730 | init_1d_model, |
---|
| 731 | init_3d_model, init_particles, modules.f90, parin, parles, plot_2d, |
---|
[62] | 732 | write_3d_binary <p><b>Neu:</b> <br> |
---|
| 733 | close_file </p> <p><b>Eliminiert:</b> |
---|
| 734 | <br> |
---|
| 735 | close_files</p> </td> </tr> <tr nosave="" valign="top"> <td nosave="">02/01/01</td> |
---|
| 736 | <td>SR</td> <td>2.1a</td> <td>B</td> |
---|
| 737 | <td>Beseitigung kleiner Fehler.</td> <td>check_cpu_time, |
---|
| 738 | diffusion_e, diffusivities, long_filter, |
---|
| 739 | production_e</td> </tr> <tr nosave="" valign="top"> <td>05/01/01</td> <td>SR</td> |
---|
| 740 | <td>2.1b</td> <td>N</td> <td nosave="">Neues |
---|
| 741 | Software-Paket zur Berechnung von Spektren im |
---|
| 742 | Ortsraum</td> <td>check_open, header, init_3d_model, |
---|
| 743 | leap_frog, modules, |
---|
[5] | 744 | package_parin, |
---|
[62] | 745 | parles, read_var_list, write_3d_binary, write_var_list <p><b>Neu:</b> |
---|
| 746 | <br> |
---|
| 747 | calc_spectra, plot_spectra</p> </td> </tr> <tr valign="top"> <td>25/01/01</td> <td>SR</td> |
---|
| 748 | <td>2.1c</td> <td>C/N</td> <td>Drucklöser |
---|
| 749 | kann jetzt die Singleton-FFT benutzen. Modul <tt>singleton</tt> |
---|
[5] | 750 | wurde deshalb von <tt>calc_spectra.f90</tt> nach <tt>modules.f90</tt> |
---|
| 751 | geschoben |
---|
[62] | 752 | (neuer Initialisierungsparameter <tt>fft_method</tt>). |
---|
| 753 | <br>Flüsse können jetzt bei k=1 |
---|
| 754 | unabhängig von der |
---|
[5] | 755 | Verwendung |
---|
| 756 | einer Prandtl-Schicht vorgegeben werden (neuer |
---|
[62] | 757 | Initialisierungsparameter <tt>use_surface_fluxes</tt>). |
---|
| 758 | <br>Modul <tt>test_variables</tt> wurde aus allen |
---|
| 759 | Programmteilen entfernt. |
---|
| 760 | Hauptprogramm wurde von parles nach <tt>palm</tt> |
---|
| 761 | umbenannt. <br> |
---|
[5] | 762 | Modell kann auf DEC-Workstations eingesetzt werden (-D <tt>dec</tt>). |
---|
[62] | 763 | <br>Zusätzliche Zeitmessungen mit dvrp-Software. |
---|
| 764 | Schreiben von |
---|
[5] | 765 | Partikel-Informationen |
---|
| 766 | ist optional (neuer Parameter <tt>write_particle_informations</tt>).</td> |
---|
[62] | 767 | <td>advec_particles, calc_spectra, check_parameters, |
---|
[5] | 768 | cpu_zeitmessung, diffusion_s, |
---|
| 769 | header, init_3d_model, init_dvrp, init_particles, leap_frog, modules, |
---|
| 770 | package_parin, |
---|
| 771 | parin, poisfft, read_var_list, swap_timelevel, write_var_list |
---|
[62] | 772 | <p><b>Neu:</b> <br> |
---|
| 773 | palm </p> <p><b>Eliminiert:</b> <br> |
---|
| 774 | parles, module_test</p> </td> </tr> <tr valign="top"> <td>25/01/01</td> <td>SR</td> |
---|
| 775 | <td>2.1c</td> <td>B</td> <td>Fehler |
---|
| 776 | beim öffnen von Unit 23 beseitigt. Modul <tt>interface</tt> |
---|
[5] | 777 | fehlte in disturb_field. <br> |
---|
| 778 | Wertebereich von theta* in Prandtl-Fluxes eingeschränkt, weil |
---|
[62] | 779 | sonst auf einigen Rechnern overflow droht, wenn u*=0.</td> <td>check_open, |
---|
| 780 | disturb_field, prandtl_fluxes</td> </tr> <tr valign="top"> <td>30/01/01</td> <td>SR</td> |
---|
| 781 | <td>2.1d</td> <td>N/C</td> <td>Prognose |
---|
| 782 | eines passiven Skalars ist möglich (anstatt |
---|
[5] | 783 | Feuchte), |
---|
| 784 | dazu neuer Initialisierungsparameter <tt>passive_scalar</tt>. |
---|
[62] | 785 | <p>Falls kein Pfad für ftpcopy existiert, werden in <tt>check_open</tt> |
---|
| 786 | die Dateinamen für AVS-Koordinaten- und Datendatei auf |
---|
| 787 | "unknown" |
---|
| 788 | gesetzt.</p> </td> <td>asselin_filter, |
---|
| 789 | boundary_conds, check_open, check_parameters, |
---|
[5] | 790 | flow_statistics, |
---|
| 791 | header, init_1d_model, init_3d_model, modules, parin, plot_2d, |
---|
| 792 | plot_dvrp, |
---|
| 793 | prandtl_fluxes, prognostic_equations, read_var_list, swap_timelevel, |
---|
| 794 | write_3d_binary, |
---|
[62] | 795 | write_var_list</td> </tr> <tr valign="top"> <td>30/01/01</td> |
---|
| 796 | <td>SR</td> <td>2.1d</td> <td>B</td> |
---|
| 797 | <td>String-Ausgabe für use_surface_fluxes korrigiert. |
---|
[5] | 798 | Version vom |
---|
| 799 | 25/01/01 brach deswegen bei Fortsetzungsläufen ab. <br> |
---|
[62] | 800 | xy-Plotausgabe von q und ql korrigiert.</td> <td>plot_2d, |
---|
| 801 | write_var_list</td> </tr> <tr nosave="" valign="top"> <td nosave="">30/03/01</td> |
---|
| 802 | <td>SR</td> <td>2.2</td> <td>N/C</td> |
---|
| 803 | <td>Sämtliche 3D-Felder der Zeitebene t+dt wurden |
---|
| 804 | entfernt. |
---|
[5] | 805 | Ebenso |
---|
| 806 | die Arbeitsfelder work und work1. Hilfsfelder wurden soweit |
---|
| 807 | möglich |
---|
| 808 | eingespart und werden grundsätzlich lokal allokiert. Dadurch |
---|
| 809 | konnten |
---|
| 810 | eine Reihe von Übergabeparametern gestrichen werden (z.B. beim |
---|
| 811 | Aufruf |
---|
[62] | 812 | von <tt>pres, advec_s_bc, poisfft, production_e, sor </tt>sowie |
---|
| 813 | den |
---|
[5] | 814 | Spline-Unterprogrammen). |
---|
| 815 | Der Long-Filter wurde in das Upstream-Spline-Verfahren integriert. Da |
---|
| 816 | der |
---|
| 817 | Zeitfilter jetzt direkt in der prognostischen Gleichung angewendet wird |
---|
[62] | 818 | (bisher geschah dies erst nach Aufruf des Drucklösers), haben |
---|
| 819 | sich |
---|
[5] | 820 | die Zahlen in der Testergebnis-Datei geändert. Die mittleren |
---|
| 821 | Profile |
---|
[62] | 822 | sind aber unbeeinflusst. <p>Eine weitere kleinere |
---|
| 823 | Änderung der Testergebnis-Daten |
---|
[5] | 824 | wird dadurch |
---|
| 825 | verursacht, dass jetzt der Parameter <tt>adjust_mixing_length</tt> |
---|
| 826 | defaultmäßig <tt>.FALSE.</tt> |
---|
[62] | 827 | ist und der Mischungsweg grundsätzlich zusätzlich |
---|
| 828 | auf <tt>0.7 |
---|
[5] | 829 | * zu</tt> begrenzt wird. Falls <tt>adjust_mixing_length=T</tt>, |
---|
[62] | 830 | wird jetzt der Mischungsweg in <tt>diffusivities</tt> |
---|
| 831 | analog zu <tt>diffusion_e</tt> |
---|
[5] | 832 | an allen Gitterpunkten modifiziert. <b>Achtung: </b>Diese |
---|
| 833 | Änderungen |
---|
[62] | 834 | können bei anderen Simulationen t.w. erhebliche Auswirkungen |
---|
| 835 | auf |
---|
[5] | 836 | die |
---|
[62] | 837 | oberflächennahen Ergebnisse haben. </p> <p><b>Kleinere |
---|
| 838 | Änderungen:</b> In <tt>init_cloud_physics</tt> |
---|
[5] | 839 | wird |
---|
[62] | 840 | der Wert der Variablen <tt>surface_pressure</tt> in hPa |
---|
| 841 | belassen |
---|
[5] | 842 | (bisher |
---|
| 843 | Umwandlung in Pa). <br> |
---|
| 844 | Die Namelist-Namen der Software-Pakete sind t.w. |
---|
| 845 | geändert. <br> |
---|
[62] | 846 | Unit 14 (binäre Ausgabe für |
---|
| 847 | Fortsetzungsläufe) wird |
---|
[5] | 848 | jetzt im Hauptprogramm geschlossen, damit auf diese Datei noch |
---|
| 849 | benutzergesteuerte |
---|
| 850 | Ausgaben erfolgen können. <br> |
---|
| 851 | Laufparameter werden in keinem Fall mehr auf Unit 14 ausgegeben bzw. |
---|
| 852 | von Unit 13 gelesen, d.h. sie gelten jetzt tatsächlich nur |
---|
| 853 | für |
---|
| 854 | den jeweils aktuellen Lauf. <br> |
---|
| 855 | Partikeladvektion funktioniert jetzt auch zusammen mit der |
---|
[62] | 856 | Galilei-Transformation. </p> <p>Restliche |
---|
| 857 | deutsche Variablen-, Unterprogramm- und Modulnamen |
---|
[5] | 858 | wurden |
---|
| 859 | ins Englische übersetzt. Davon sind fast alle Programmteile |
---|
| 860 | betroffen |
---|
[62] | 861 | (nicht in rechter Spalte aufgeführt).</p> </td> <td>advec_particles, |
---|
| 862 | advec_s_bc, advec_s_ups, advec_u_ups, |
---|
[5] | 863 | advec_v_ups, |
---|
| 864 | advec_w_ups, boundary_conds, calc_spectra, check_parameters, |
---|
| 865 | diffusion_e, |
---|
| 866 | init_3d_model, init_cloud_physics, init_pegrid, init_rankine, |
---|
| 867 | leap_frog, |
---|
| 868 | modules, package_parin, palm, parin, poisfft, pres, production_e, |
---|
| 869 | prognostic_equations, |
---|
| 870 | read_var_list, sor, swap_timelevel, transpose_*, write_3d_binary, |
---|
[62] | 871 | write_var_list <p><b>Neu:</b> <br> |
---|
| 872 | cpu_log, cpu_statistics </p> <p><b>Eliminiert:</b> |
---|
| 873 | <br> |
---|
| 874 | asselin_filter, cpu_auswertung, cpu_zeitmessung, long_filter</p> </td> |
---|
| 875 | </tr> <tr nosave="" valign="top"> <td nosave="">12/07/01</td> <td>SR</td> <td>2.2a</td> |
---|
| 876 | <td>N/C</td> <td>Defaultwert der unteren |
---|
| 877 | Randbedingung für die TKE ist ab |
---|
[5] | 878 | sofort <tt>bc_e_b |
---|
| 879 | = 'neumann'</tt>. <br> |
---|
| 880 | Partikelquelle ist über Paketparameter steuerbar. |
---|
| 881 | Partikeleigenschaften |
---|
| 882 | sind mittels benutzereigener Software steuerbar. Der dvrp-Ausgabeweg |
---|
| 883 | ist |
---|
| 884 | jetzt ebenfalls über Paketparameter steuerbar. <br> |
---|
| 885 | Allen Modulen (bis auf singleton) wurde eine SAVE-Anweisung |
---|
| 886 | hinzugefügt, |
---|
[62] | 887 | damit die durch sie vereinbarten Variablen während der |
---|
| 888 | Rechnung in |
---|
| 889 | keinem Fall undefiniert werden können (diese Gefahr besteht |
---|
| 890 | z.B. |
---|
[5] | 891 | auf |
---|
[62] | 892 | SGI-Origin-Maschinen).</td> <td>advec_particles, header, |
---|
| 893 | init_dvrp, init_particles, |
---|
[5] | 894 | modules.f90, package_parin, |
---|
[62] | 895 | plot_dvrp, user_interface</td> </tr> <tr> <td>12/07/01</td> |
---|
| 896 | <td>SR</td> <td>2.2a</td> <td>B</td> |
---|
| 897 | <td>Verschiebung der OPEN-Anweisung für Unit 33 |
---|
| 898 | (AVS-FLD-Datei).</td> <td>check_open</td> </tr> |
---|
| 899 | <tr nosave="" valign="top"> <td nosave="">20/07/01</td> |
---|
| 900 | <td>SR</td> <td>2.3</td> <td>N</td> |
---|
| 901 | <td>Einbau des Mehrgitterverfahrens zur Lösung der |
---|
| 902 | Poisson-Gleichung.</td> <td>check_parameters, |
---|
| 903 | exchange_horiz, header, init_grid, |
---|
[5] | 904 | init_pegrid, modules, |
---|
[62] | 905 | parin, pres, run_control <p><b>Neu:</b> <br> |
---|
| 906 | poismg</p> </td> </tr> <tr nosave="" valign="top"> <td nosave="">21/08/01</td> |
---|
| 907 | <td>SR</td> <td>2.3a</td> <td>N/C</td> |
---|
| 908 | <td>Ergänzung der dvrp-Software: Partikel |
---|
| 909 | können mit |
---|
[5] | 910 | Schwänzen |
---|
| 911 | versehen werden. Die Ausgabe der dvrp-Plotdaten durch einen separaten |
---|
| 912 | PE |
---|
[62] | 913 | ist möglich (mrun-Option "<tt>-p dvrp_graphics+1PE</tt>"). |
---|
| 914 | Der |
---|
[5] | 915 | Kommunikator <tt>MPI_COMM_WORLD</tt> |
---|
[62] | 916 | wurde deshalb durch <tt>comm_palm</tt> |
---|
| 917 | ersetzt. <p>Reduzierung des Mischungsweges im |
---|
| 918 | Wandbereich kann wahlweise |
---|
[5] | 919 | abgeschaltet |
---|
| 920 | werden. Für km und kh wird jetzt eine Neumann-Randbedingung am |
---|
| 921 | unteren |
---|
| 922 | Rand verwendet. Die TKE-Energieproduktionsberechnung durch Scherung des |
---|
[62] | 923 | Grundstroms am unteren Rand wurde verbessert. </p> <p>Generelle |
---|
| 924 | Verwendung der bodennahen vertikalen |
---|
[5] | 925 | Impulsflüsse in |
---|
| 926 | den Diffusionstermen von u und v, immer wenn diese als Randbedingung |
---|
| 927 | vorgegeben |
---|
[62] | 928 | sind (gemäß <tt>use_surface_fluxes</tt>, |
---|
| 929 | - bisher wurde |
---|
[5] | 930 | dies |
---|
| 931 | nur bei eingeschalteter Prandtl-Schicht gemacht). Schubspannungen |
---|
| 932 | können |
---|
| 933 | jetzt als Randbedingungen vorgegeben werden (allerdings unter |
---|
| 934 | zuhilfenahme |
---|
[62] | 935 | benutzereigener Software). </p> <p>Zusätzliche |
---|
| 936 | Schnittstellen für benutzereigene |
---|
[5] | 937 | Software in |
---|
[62] | 938 | allen Tendenztermen, in <tt>flow_statistics,</tt> und |
---|
| 939 | für |
---|
[5] | 940 | Partikel- |
---|
| 941 | bzw. dvrp-Programmteile (Bestimmung von Partikeleigenschaften, |
---|
| 942 | Festlegung |
---|
[62] | 943 | von Farbtabellen). </p> <p><b>Achtung: </b>Diese |
---|
| 944 | Änderungen können bei |
---|
[5] | 945 | Simulationen mit |
---|
[62] | 946 | mittlerem Wind durch die Änderungen im bereich des unteren |
---|
| 947 | Randes |
---|
| 948 | t.w. erhebliche Auswirkungen auf die oberflächennahen |
---|
| 949 | Ergebnisse |
---|
| 950 | haben.</p> </td> <td>advec_particles, diffusion_e, |
---|
| 951 | diffusion_u, diffusion_v, |
---|
[5] | 952 | diffusivities, |
---|
| 953 | flow_statistics, header, init_dvrp, init_particles, init_pegrid, |
---|
| 954 | leap_frog, |
---|
| 955 | modules, package_parin, palm, parin, plot_dvrp, production_e, |
---|
| 956 | prognostic_equations, |
---|
| 957 | read_var_list, swap_timelevel, user_interface, write_var_list</td> |
---|
[62] | 958 | </tr> <tr nosave="" valign="top"> <td nosave="">21/08/01</td> <td>SR</td> <td>2.3a</td> |
---|
| 959 | <td>B</td> <td>Falsche Positionierung von |
---|
| 960 | MPI_ALLREDUCE in check_cpu_time |
---|
| 961 | korrigiert.</td> <td>check_cpu_time</td> </tr> |
---|
| 962 | <tr nosave="" valign="top"> <td nosave="">04/09/01</td> |
---|
| 963 | <td>SR</td> <td>2.3b</td> <td>N</td> |
---|
| 964 | <td>Zusätzliche Profilausgaben für |
---|
[5] | 965 | Energieproduktionsterme möglich. |
---|
[62] | 966 | Stördruck wird bei der FFT-Methode nicht mehr durch |
---|
| 967 | Aufsummieren |
---|
[5] | 968 | der |
---|
[62] | 969 | Werte zu den einzelnen Zeitschritten ermittelt.</td> <td>check_parameters, |
---|
| 970 | flow_statistics, modules, pres</td> </tr> <tr nosave="" valign="top"> <td nosave="">04/09/01</td> |
---|
| 971 | <td>SR</td> <td>2.3b</td> <td>B</td> |
---|
| 972 | <td>Austausch der Geisterränder für die |
---|
| 973 | zeitgefilterten |
---|
[5] | 974 | Felder |
---|
| 975 | direkt nach Durchführung der Filterung (war fehlerhaft seit |
---|
| 976 | Entfernen |
---|
| 977 | der Zeitebene t+dt (Version 2.2) und führte zu sehr kleinen |
---|
| 978 | Störungen |
---|
[62] | 979 | an den seitlichen Rändern der Teilgebiete). <p><b>Achtung:</b> |
---|
| 980 | Der Inhalt der Testergebnis-Datei ändert |
---|
[5] | 981 | sich durch |
---|
[62] | 982 | diese Fehlerkorrektur.</p> </td> <td>prognostic_equations</td> |
---|
| 983 | </tr> <tr nosave="" valign="top"> <td nosave="">09/11/01</td> <td>SR</td> <td>2.3c</td> |
---|
| 984 | <td>N</td> <td>Farbe entlang der |
---|
| 985 | Partikelschwänze kann sich |
---|
[5] | 986 | ändern. Einschalten |
---|
| 987 | der Partikeladvektion bei Fortsetzungsläufen möglich.</td> |
---|
[62] | 988 | <td>advec_particles, init_particles, modules, package_parin, |
---|
| 989 | plot_dvrp</td> </tr> <tr nosave="" valign="top"> |
---|
| 990 | <td nosave="">16/04/02</td> <td>SR</td> |
---|
| 991 | <td>2.3d</td> <td>N</td> <td>Vorgabe |
---|
| 992 | von Randbedingungen für Partikeladvektion |
---|
[5] | 993 | möglich. |
---|
[62] | 994 | Partikeldaten können für spätere Analysen |
---|
| 995 | auf Datei |
---|
[5] | 996 | geschrieben |
---|
[62] | 997 | werden (Unit 85). <tt>PARTICLE</tt>-Datentyp |
---|
| 998 | enthält |
---|
[5] | 999 | Informationen |
---|
[62] | 1000 | über Partikelgeschwindigkeitskomponenten und |
---|
| 1001 | Startposition. <p>Skalartransport sowie entsprechende |
---|
| 1002 | Datenausgaben können |
---|
[5] | 1003 | durch |
---|
| 1004 | eigene Parameter gesteuert werden (nicht mehr über die |
---|
[62] | 1005 | Feuchteparameter). </p> <p>Im Fall von |
---|
| 1006 | pdims(1)=1 (eindimensionales virtuelles |
---|
[5] | 1007 | Prozessornetz in |
---|
| 1008 | y-Richtung) werden die zyklischen Randbedingungen in x-Richtung durch |
---|
| 1009 | direktes |
---|
[62] | 1010 | Umspeichern anstatt durch <tt>sendrecv </tt>realisiert. |
---|
| 1011 | Ebenso |
---|
[5] | 1012 | werden |
---|
[62] | 1013 | die Transponierungen xz, yz, zx und zy eingespart (es wird |
---|
| 1014 | aber |
---|
[5] | 1015 | weiter |
---|
[62] | 1016 | umsortiert). </p> <p>Im Fall von |
---|
| 1017 | 3D-Plotausgaben Aufruf von ftpcopy-Script durch |
---|
[5] | 1018 | batch_scp-Script |
---|
| 1019 | ersetzt (dient der Ermittelung von Dateizyklusnummern als Information |
---|
| 1020 | für |
---|
[62] | 1021 | die AVS-fld-Datei). </p> <p>Bei fehlerhafter |
---|
| 1022 | Eröffnung einer CPU_MEASURES-Datei |
---|
[5] | 1023 | werden erneute |
---|
[62] | 1024 | Eröffnungsversuche durchgeführt.</p> </td> |
---|
| 1025 | <td>advec_particles, check_open, check_parameters, |
---|
[5] | 1026 | exchange_horiz, flow_statistics, |
---|
| 1027 | header, init_particles, modules, package_parin, parin, plot_2d, |
---|
| 1028 | plot_3d, |
---|
| 1029 | prognostic_equations, read_var_list, transpose_xz, transpose_yz, |
---|
| 1030 | transpose_zx, |
---|
[62] | 1031 | transpose_zy, write_var_list</td> </tr> <tr nosave="" valign="top"> <td nosave="">02/05/02</td> |
---|
| 1032 | <td>SR</td> <td>2.3e</td> <td>B</td> |
---|
| 1033 | <td>Wiedereinführung der 3D-Felder für die |
---|
| 1034 | Zeitebene |
---|
[5] | 1035 | t+dt, die |
---|
| 1036 | notwendig ist, damit in den Diffusionstermen bei Leapfrog-Zeitschritten |
---|
| 1037 | mit der korrekten Zeitebene t-dt gearbeitet wird. Seit Version 2.2 |
---|
| 1038 | wurde |
---|
[62] | 1039 | fälschlicherweise die Zeitebene t+dt verwendet. Asselin-Filter |
---|
| 1040 | ist |
---|
[5] | 1041 | jetzt wieder eigenständiges Unterprogramm. <br> |
---|
| 1042 | Die Wiedereinführung dieser dritten Zeitebene ist auch |
---|
| 1043 | Voraussetzung |
---|
| 1044 | für die in der nächsten Version geplante skalare |
---|
[62] | 1045 | Optimierung. <p>Fehler bei Berechnung von |
---|
| 1046 | Ausgabezeitpunkten eliminiert (trat |
---|
[5] | 1047 | auf, wenn |
---|
[62] | 1048 | bei Fortsetzungsläufen von Ausgabeabständen 0.0 auf |
---|
| 1049 | von Null |
---|
| 1050 | verschiedene Werte gewechselt werden sollte). </p> <p><b>Achtung:</b> |
---|
| 1051 | Der Inhalt der Testergebnis-Datei ändert |
---|
[5] | 1052 | sich durch |
---|
[62] | 1053 | diese Fehlerkorrektur.</p> </td> <td>init_3d_model, |
---|
| 1054 | leap_frog, modules, prognostic_equations, |
---|
| 1055 | swap_timelevel <p><b>Neu:</b> <br> |
---|
| 1056 | asselin_filter</p> </td> </tr> <tr nosave="" valign="top"> <td>02/05/02</td> <td>SR</td> |
---|
| 1057 | <td>2.3e</td> <td>N/C</td> <td>Kleinere |
---|
| 1058 | Anpassungen an IBM-Regatta-Systeme in |
---|
| 1059 | check_parameters, cpu_log. <p>Modul singleton in |
---|
| 1060 | eigenständige Datei |
---|
| 1061 | überführt. </p> <p>Global_min_max |
---|
| 1062 | arbeitet mit REAL*4, um Komplikationen auf |
---|
[5] | 1063 | 32-bit-Rechnern |
---|
| 1064 | zu vermeiden (Datentyp MPI_2REAL müsste dort sonst auf |
---|
| 1065 | MPI_2DOUBLE_PRECISION |
---|
| 1066 | geändert werden). <br> |
---|
| 1067 | Horizontale Geschwindigkeitskomponenten für Partikeladvektion |
---|
| 1068 | werden exakt zwischen den jeweils benachbarten horizontalen |
---|
| 1069 | Gitterflächen |
---|
[62] | 1070 | interpoliert.</p> </td> <td nosave="">advec_particles, |
---|
| 1071 | check_parameters, cpu_log, |
---|
[5] | 1072 | global_min_max, |
---|
[62] | 1073 | modules <p><b>Neu:</b> <br> |
---|
| 1074 | singleton</p> </td> </tr> <tr nosave="" valign="top"> <td nosave="">11/06/02</td> |
---|
| 1075 | <td>SR</td> <td>2.4</td> <td>N/C</td> |
---|
| 1076 | <td>Optimierung und Anpassungen für einzelne Knoten der |
---|
| 1077 | IBM-Regatta-Systeme. <p><b>Skalare (Cache) Optimierung:</b> |
---|
| 1078 | Tendenzterme werden |
---|
[5] | 1079 | innerhalb einer |
---|
| 1080 | großen (i,j)-Schleife berechnet, die nun jeweils die gesamte |
---|
| 1081 | prognostische |
---|
| 1082 | Gleichung umfasst. Schleifenindices i und j werden an die |
---|
| 1083 | Tendenzunterprogramme |
---|
[62] | 1084 | als Argumente übergeben. Die Tendenzunterprogramme sind als |
---|
| 1085 | Module |
---|
| 1086 | geschrieben, die mittels Technik der überladenen Funktionen |
---|
| 1087 | auch |
---|
[5] | 1088 | ohne |
---|
[62] | 1089 | diese Indices i und j aufgerufen werden können, und dann wie |
---|
| 1090 | in |
---|
[5] | 1091 | früheren |
---|
[62] | 1092 | Versionen funktionieren (d.h. in ihnen laufen die Schleifen |
---|
| 1093 | über |
---|
[5] | 1094 | alle |
---|
| 1095 | 3 Dimensionen). Solche Teile der prognostischen Gleichungen, die |
---|
| 1096 | globale |
---|
| 1097 | Kommunikation beinhalten, sind vor die (i,j)-Schleife gezogen. Falls |
---|
| 1098 | ausschließlich |
---|
| 1099 | mit Piascek-Williams-Advektion gearbeitet wird, werden alle |
---|
| 1100 | prognostischen |
---|
[62] | 1101 | Gleichungen in einer einzigen (i,j)-Schleife gerechnet. </p> <p><b>Kommunikationsoptimierung:</b> |
---|
| 1102 | Zusätzliche |
---|
[5] | 1103 | Implementierung einer |
---|
| 1104 | 1D-Gebietszerlegung in x-Richtung. Mit dem neuen direkten |
---|
| 1105 | Drucklöser |
---|
| 1106 | (poisfft_hybrid) werden dadurch 4 von 6 notwendigen Transpositionen |
---|
| 1107 | eingespart. |
---|
| 1108 | Die 1D-Zerlegung wird automatisch bei Verwendung dieses neuen |
---|
| 1109 | Lösers |
---|
| 1110 | aktiviert. Austausch von Geisterrändern in y-Richtung wird bei |
---|
| 1111 | dieser |
---|
| 1112 | 1D-Zerlegung durch einfache zyklische Randbedingungen ersetzt. </p> |
---|
[62] | 1113 | <p><b>Kleinere Anpassungen:</b> String-Vergleiche |
---|
| 1114 | erfordern beim |
---|
[5] | 1115 | IBM-Compiler |
---|
[62] | 1116 | in der Regel den Einsatz der TRIM-Funktion, um |
---|
| 1117 | überschüssige |
---|
[5] | 1118 | Blanks am Ende des Strings abzuschneiden (sonst liefert der Vergleich |
---|
| 1119 | .F.). <br> |
---|
| 1120 | Lokal allokierte Felder t.w. in sogenannte automatische Felder |
---|
| 1121 | umgewandelt |
---|
[62] | 1122 | (günstiger, um Gefahr von eventuellen Speicherlecks zu |
---|
| 1123 | vermeiden). |
---|
[5] | 1124 | Einige Feldoperationen wurden wegen schlechter Performance auf der IBM |
---|
[62] | 1125 | entfernt (s. pres). </p> <p><b>Achtung: </b>Die |
---|
| 1126 | Übersetzung des Modells erfordert |
---|
[5] | 1127 | aufgrund |
---|
| 1128 | der Vielzahl nunmehr eingesetzter Module die Verwendung des |
---|
| 1129 | make-Mechanismus, |
---|
[62] | 1130 | um die korrekte Reihenfolge bei der Übersetzung der |
---|
| 1131 | Programmteile |
---|
| 1132 | zu gewährleisten. Die Beschreibung dieser |
---|
| 1133 | Abhängigkeiten |
---|
[5] | 1134 | erfolgt |
---|
[62] | 1135 | in der Datei<tt> Makefile</tt>, die zusammen mit den |
---|
| 1136 | Programmdateien |
---|
[5] | 1137 | abgelegt |
---|
[62] | 1138 | ist und ebenfalls unter RCS-Verwaltung steht. </p> <p>Im |
---|
| 1139 | User-Interface ist das Unterprogramm<tt> user_actions </tt>nun |
---|
[5] | 1140 | ebenfalls |
---|
[62] | 1141 | als Modul geschrieben und bedient sich der Methode der |
---|
| 1142 | überladenen |
---|
[5] | 1143 | Funktionen. Existierende benutzereigene Software muss entsprechend |
---|
| 1144 | angepasst |
---|
[62] | 1145 | werden.</p> </td> <td>advec_s_pw, advec_s_up, |
---|
| 1146 | advec_u_pw, advec_u_up, advec_v_pw, |
---|
[5] | 1147 | advec_v_up, |
---|
| 1148 | advec_w_pw, advec_w_up, buoyancy, calc_precipitation, calc_radiation, |
---|
| 1149 | calc_spectra, |
---|
| 1150 | check_parameters, coriolis, diffusion_e, diffusion_s, diffusion_u, |
---|
| 1151 | diffusion_v, |
---|
| 1152 | diffusion_w, diffusivities, exchange_horiz, exchange_horiz_2d, |
---|
| 1153 | global_min_max, |
---|
| 1154 | header, impact_of_latent_heat, init_pegrid, leap_frog, modules, |
---|
| 1155 | plot_2d, |
---|
| 1156 | plot_3d, plot_spectra, poisfft, pres, production_e, |
---|
| 1157 | prognostic_equations, |
---|
[62] | 1158 | user_interface, <p><b>Neu:</b> <br> |
---|
| 1159 | fft_for_1d_decomp, Makefile, poisfft_hybrid, </p> </td> |
---|
| 1160 | </tr> <tr nosave="" valign="top"> <td nosave="">11/06/02</td> <td>SR</td> <td>2.4</td> |
---|
| 1161 | <td>B</td> <td>Fehlende Variablenvereinbarung in <tt>advec_particles</tt> |
---|
| 1162 | ergänzt.</td> <td>advec_particles</td> </tr> |
---|
| 1163 | <tr> <td valign="top">12/09/02</td> <td valign="top">SR</td> <td valign="top">2.4a</td> |
---|
| 1164 | <td valign="top">N</td> <td valign="top">Partikel |
---|
| 1165 | können mit Trägheit versehen |
---|
[5] | 1166 | werden und |
---|
| 1167 | einen Dichteunterschied zum umgebenden Fluid haben. Zur Steuerung dient |
---|
| 1168 | der neue Paketparameter <tt>density_ratio</tt>.</td> |
---|
[62] | 1169 | <td valign="top">advec_particles, header, init_particles, |
---|
| 1170 | modules, package_parin</td> </tr> <tr> <td valign="top">12/09/02</td> <td valign="top">SR</td> |
---|
| 1171 | <td valign="top">2.4a</td> <td valign="top">B</td> |
---|
| 1172 | <td valign="top">Fehler in Berechnung der Anfangsprofile |
---|
| 1173 | von pt |
---|
[5] | 1174 | und q entfernt |
---|
| 1175 | (obere Feldgrenze von 10 konnte in <tt>pt_vertical_gradient_level_ind</tt> |
---|
[62] | 1176 | überschritten werden). Fehler führte unter |
---|
| 1177 | Umständen zu |
---|
| 1178 | "segmentation fault" bei Verwendung sehr großer |
---|
| 1179 | Gitterpunktzahlen |
---|
| 1180 | in z-Richtung. <p>Fehler in Berechnung der v-Komponente am |
---|
| 1181 | unteren Rand |
---|
[5] | 1182 | entfernt, die |
---|
[62] | 1183 | für den Scherungsproduktionsterm der TKE verwendet wird |
---|
| 1184 | (Variable |
---|
| 1185 | v_0). Fälschlicherweise wurde zur Berechnung u(k=1) statt |
---|
| 1186 | v(k=1) |
---|
| 1187 | verwendet.</p> </td> <td valign="top">check_parameters, |
---|
| 1188 | modules, production_e</td> </tr> <tr> <td valign="top">19/12/02</td> <td valign="top">SR</td> |
---|
| 1189 | <td valign="top">2.5</td> <td valign="top">N</td> |
---|
| 1190 | <td valign="top">Restart times can be set by user with new |
---|
[5] | 1191 | runtime (d3par) |
---|
[62] | 1192 | parameters <tt>restart_time</tt> and <tt>dt_restart</tt>. |
---|
| 1193 | Run |
---|
[5] | 1194 | description |
---|
| 1195 | header is written on file CONTINUE_RUN. Output of cpu statistics |
---|
| 1196 | changed |
---|
| 1197 | (PE results are now collected on PE0 in order to calculate mean cpu |
---|
| 1198 | statistics). |
---|
| 1199 | Output of warnings in the job protocol in case of negative measured |
---|
| 1200 | cpu-times. |
---|
[62] | 1201 | Remaining cpu-time is also evaluated on IBM-Regatta.</td> <td valign="top">cpu_log, cpu_statistics, |
---|
[5] | 1202 | check_parameters,header, leap_frog, |
---|
[62] | 1203 | local_tremain, local_tremain_ini, modules, palm, <p><b>new:</b> |
---|
| 1204 | <br> |
---|
| 1205 | check_for_restart </p> <p><b>deleted:</b> <br> |
---|
| 1206 | check_cpu_time</p> </td> </tr> <tr> <td valign="top"> <br> </td> <td valign="top"> <br> </td> <td valign="top"> <br> </td> <td valign="top">C</td> <td valign="top">Unit |
---|
| 1207 | 14 (BINOUT) must be opened using a special |
---|
[5] | 1208 | process |
---|
| 1209 | id string, because on IBM, the PE rank differs between communicators |
---|
| 1210 | MPI_COMM_WORLD |
---|
| 1211 | and comm_2d. This leads to a mismatch between filename-PE-number and |
---|
| 1212 | PE-number |
---|
| 1213 | written on file. As the consequence, these files could not be read by |
---|
| 1214 | restart-jobs. |
---|
[62] | 1215 | Reading of array <tt>hom</tt> moved from <tt>init_3d_model |
---|
| 1216 | </tt>to <tt>read_var_list</tt> |
---|
| 1217 | (binary version number incremented to 2.2). <p><b>Further |
---|
| 1218 | optimization for IBM-Regatta-systems:</b> <br> |
---|
[5] | 1219 | Additional optimization of the hybrid-solver for multinode usage |
---|
| 1220 | (overlapping |
---|
[62] | 1221 | of communication and computation). </p> <p>Further cache |
---|
| 1222 | optimization by using strides and joining loops (<tt>hybrid_solver, |
---|
| 1223 | pres</tt> and <tt>timestep</tt>). Joining of |
---|
| 1224 | MPI_ALLREDUCE calls in |
---|
| 1225 | timestep. </p> <p>In case of 1d-decomposition along x |
---|
| 1226 | only a part of the |
---|
[5] | 1227 | integral divisor |
---|
| 1228 | conditions is checked, on IBM hosts a 1d-decomposition along x is the |
---|
| 1229 | default, |
---|
| 1230 | a switch from Poisson-FFT-solver to the hybrid-solver is made in case |
---|
| 1231 | of |
---|
| 1232 | 1d-decomposition along x, the hybrid-solver does not force a |
---|
| 1233 | 1d-decomposition |
---|
[62] | 1234 | any more. </p> <p>Array notation changed to do-loop |
---|
| 1235 | constructs due to better |
---|
| 1236 | performance. </p> <p>Cyclic boundary conditions along <tt>y</tt> |
---|
| 1237 | used instead of |
---|
[5] | 1238 | sendrecv |
---|
[62] | 1239 | in case of a 1d-decomposition along <tt>x</tt>. SENDRECV |
---|
| 1240 | replaced by |
---|
[5] | 1241 | nonblocking |
---|
| 1242 | routines ISEND and IRECV in <tt>exchange_horiz.f90</tt>. </p> |
---|
[62] | 1243 | <p>Speed optimization by removing MINVAL/MAXVAL calls and by |
---|
[5] | 1244 | handling <br> |
---|
| 1245 | the "abs" case in a different way than the min/max cases (routine <tt>global_min_max</tt>).</p> |
---|
[62] | 1246 | </td> <td valign="top">asselin_filter, check_open, |
---|
| 1247 | exchange_horiz, |
---|
[5] | 1248 | global_min_max, |
---|
| 1249 | init_3d_model, init_pegrid, parin, poisfft_hybrid, read_var_list, |
---|
| 1250 | timestep, |
---|
[62] | 1251 | write_3d_binary, write_var_list</td> </tr> <tr> <td valign="top"><br> </td> <td valign="top"><br> |
---|
| 1252 | </td> <td valign="top"><br> </td> <td valign="top">B</td> <td valign="top">Correction |
---|
| 1253 | of mixing length term (l(k)/ll(k)). |
---|
[5] | 1254 | The condition |
---|
| 1255 | kh=3*km in the unstable case is now also exactly met in the wall |
---|
| 1256 | adjustment |
---|
| 1257 | region. Factor 0.7 in wall adjustment part replaced by variable <tt>wall_adjustment_factor</tt>, |
---|
[62] | 1258 | which is set to 1.8 in <tt>modules.f90</tt>. The factor |
---|
| 1259 | 0.7 was the |
---|
[5] | 1260 | possible |
---|
[62] | 1261 | reason for 2-delta-x-waves, which were observed since version 2.1d. <p>Calculation |
---|
| 1262 | of deformation tensor re-designed (<tt>production_e</tt>). </p> |
---|
| 1263 | <p>STOP statements replaced by call of new subroutine <tt>local_stop, |
---|
| 1264 | </tt>where |
---|
[5] | 1265 | MPI_FINALIZE is called before STOP in case of a parallel environment. </p> |
---|
[62] | 1266 | <p>ISO2D parameter dp set to true for ibm hosts. </p> <p>tend=p |
---|
| 1267 | added in <tt>pres</tt> after calling sor method.</p> |
---|
| 1268 | </td> <td valign="top">advec_s_bc, buoyancy, |
---|
| 1269 | check_open, |
---|
[5] | 1270 | check_parameters, close_file, |
---|
| 1271 | coriolis, diffusion_e, diffusivities, fft_for_1d_decomp, |
---|
| 1272 | flow_statistics, |
---|
| 1273 | init_3d_model, init_dvrp, init_grid, init_particles, init_pegrid, |
---|
| 1274 | parin, |
---|
[62] | 1275 | plot_2d, poisfft, pres, read_var_list, user_interface, <p><b>new:</b> |
---|
| 1276 | <br> |
---|
| 1277 | local_stop, production_e</p> </td> </tr> <tr> |
---|
| 1278 | <td valign="top">03/03/03</td> <td valign="top">SR</td> |
---|
| 1279 | <td valign="top">2.5a</td> <td valign="top">N</td> |
---|
| 1280 | <td valign="top">Particle velocities are also stored in |
---|
| 1281 | array |
---|
[5] | 1282 | particles in |
---|
| 1283 | case of zero density ratio. Steering of variables by dvrp browser |
---|
[62] | 1284 | included.</td> <td valign="top">advec_particles, |
---|
| 1285 | init_dvrp, modules,</td> </tr> <tr> <td valign="top"><br> </td> <td valign="top"><br> |
---|
| 1286 | </td> <td valign="top"><br> </td> <td valign="top">C</td> <td valign="top">AVS |
---|
| 1287 | data format changed from float to xdr_float |
---|
[5] | 1288 | (needed |
---|
| 1289 | on linux machines <br> |
---|
| 1290 | due to the little/big endian problem). Updates for new version of dvrp |
---|
[62] | 1291 | software (e.g. using module dvrp is now mandatory).</td> <td valign="top">close_file, init_dvrp, leap_frog, plot_dvrp</td> |
---|
| 1292 | </tr> <tr> <td valign="top"><br> </td> |
---|
| 1293 | <td valign="top"><br> </td> <td valign="top"><br> </td> <td valign="top">B</td> |
---|
| 1294 | <td valign="top">Error in particle inertia part removed |
---|
| 1295 | (exp_arg |
---|
[5] | 1296 | must not |
---|
| 1297 | contain the timestep). <br> |
---|
| 1298 | Error in calculation of the vertical flux of resolved scale energy |
---|
| 1299 | (profile 57) removed. Displacement for integers in mpi_particle_type |
---|
| 1300 | reduced |
---|
[62] | 1301 | from 16 to 8 on ibm.</td> <td valign="top">advec_particles, |
---|
| 1302 | flow_statistics, init_particles</td> </tr> <tr> <td valign="top">12/03/03</td> <td valign="top">SR</td> |
---|
| 1303 | <td valign="top">2.6</td> <td valign="top">N</td> |
---|
| 1304 | <td valign="top"><b>Version optimized for NEC-SX6 |
---|
| 1305 | parallel-vector |
---|
| 1306 | machines. </b> <p>There are two main changes. A |
---|
| 1307 | new vectorizable routine <tt>prognostic_equations_vec</tt> |
---|
[5] | 1308 | is added, where cache optimizations are undone. The tendency |
---|
| 1309 | subroutines |
---|
[62] | 1310 | called by <tt>prognostic_equations_vec</tt> contain the |
---|
| 1311 | full 3d-loops |
---|
[5] | 1312 | (compared |
---|
| 1313 | with the cache-optimized versions where only loops over k are carried |
---|
| 1314 | out). |
---|
[62] | 1315 | Additionally, a new pressure solver <tt>poisfft_hybrid_vec</tt> |
---|
| 1316 | is |
---|
[5] | 1317 | added, |
---|
| 1318 | which requires a 1d-domain-decomposition (like poisfft_hybrid). In this |
---|
| 1319 | solver, a very fast FFT from Clive Temperton (ECMWF) is |
---|
| 1320 | optionally |
---|
| 1321 | available by choosing <tt>fft_method </tt>= <i>'temperton-algorithm'</i>. |
---|
[62] | 1322 | </p> <p>Additional changes in <tt>flow_statistics</tt> |
---|
| 1323 | to allow |
---|
| 1324 | better vectorization. </p> <p>Small changes in routines <tt>diffusivities</tt> |
---|
| 1325 | and <tt>pres</tt> |
---|
[5] | 1326 | which |
---|
| 1327 | caused run time errors on IBM and NEC due to compiler problems. </p> |
---|
[62] | 1328 | <p>Reading of environment variable <tt>tasks_per_node</tt> |
---|
| 1329 | moved |
---|
[5] | 1330 | from routine <tt>poisfft_hybrid</tt> |
---|
[62] | 1331 | to routine <tt>parin</tt>. </p> <p><b>Changes |
---|
| 1332 | in makefile:</b> modules and user_interface now |
---|
[5] | 1333 | depend on |
---|
| 1334 | the f90 files, dependency of singleton added, LDFLAGS moved to the end |
---|
[62] | 1335 | of PROG rule, temperton_fft added.</p> </td> <td valign="top">advec_s_pw, advec_s_up, advec_u_pw, advec_u_up, |
---|
[5] | 1336 | advec_v_pw, |
---|
| 1337 | advec_v_up, advec_w_pw, advec_w_up, buoyancy, calc_precipitation, |
---|
| 1338 | calc_radiation, |
---|
| 1339 | check_parameters, coriolis, cpu_log, diffusion_e, diffusion_s, |
---|
| 1340 | diffusion_u, |
---|
| 1341 | diffusion_v, diffusion_w, diffusivities, fft_for_1d_decomp, header, |
---|
| 1342 | impact_of_latent_heat, |
---|
| 1343 | init_pegrid, leap_frog, local_tremain, modules, parin, poisfft, |
---|
| 1344 | poisfft_hybrid, |
---|
[62] | 1345 | pres, production_e, prognostic_equations, user_interface <p><b>new:</b> |
---|
| 1346 | <br> |
---|
| 1347 | temperton_fft</p> </td> </tr> <tr> <td valign="top"><br> </td> <td valign="top"><br> |
---|
| 1348 | </td> <td valign="top"><br> </td> <td valign="top">B</td> <td valign="top">tend=p |
---|
| 1349 | added in routine <tt>pres</tt> after |
---|
[5] | 1350 | calling sor |
---|
[62] | 1351 | method.</td> <td valign="top">pres</td> </tr> |
---|
| 1352 | <tr> <td valign="top">14/03/03</td> <td valign="top">SR</td> <td valign="top">2.6a</td> |
---|
| 1353 | <td valign="top">N</td> <td valign="top">Additional |
---|
| 1354 | vector optimization for NEC-SX6. <p>Optional system-specific |
---|
| 1355 | random number generator available |
---|
[5] | 1356 | (for equal |
---|
[62] | 1357 | distributed numbers). </p> <p>Define strings in all |
---|
| 1358 | relevant subroutines changed from </p> <p><tt> |
---|
| 1359 | #if defined( define_string )</tt> </p> <p>to </p> |
---|
| 1360 | <p><tt> #if |
---|
| 1361 | defined( __define_string )</tt> </p> <p><b>Caution: |
---|
| 1362 | </b>The relevant subroutines are NOT listed in |
---|
[5] | 1363 | the right |
---|
[62] | 1364 | column!</p> </td> <td valign="top">asselin_filter, |
---|
| 1365 | check_parameters, diffusion_e, |
---|
[5] | 1366 | diffusivities, |
---|
| 1367 | disturb_field, global_min_max, header, local_tremain, modules, parin, |
---|
| 1368 | poisfft_hybrid, |
---|
[62] | 1369 | pres, read_var_list, write_var_list</td> </tr> <tr> |
---|
| 1370 | <td valign="top"><br> </td> <td valign="top"><br> </td> <td valign="top"><br> |
---|
| 1371 | </td> <td valign="top">B</td> <td valign="top">Error in particle boundary condition removed |
---|
[5] | 1372 | (velocity must |
---|
[62] | 1373 | be inverted in case of reflection)</td> <td valign="top">advec_particles</td> |
---|
| 1374 | </tr> <tr> <td valign="top">16/04/03</td> |
---|
| 1375 | <td valign="top">SR</td> <td valign="top">2.6b</td> |
---|
| 1376 | <td valign="top">N</td> <td valign="top">Time |
---|
| 1377 | series output of Monin Obukhov length. <p>Temperton fft can now |
---|
| 1378 | be used for all hosts and every domain |
---|
[5] | 1379 | decomposition. |
---|
| 1380 | Abort in case of Temperton fft, if number of gridpoints along x and/or |
---|
[62] | 1381 | y contain illegal factors. </p> <p>Index values |
---|
| 1382 | for the extrema found in global_min_max are |
---|
[5] | 1383 | limited to |
---|
| 1384 | the range 0..nx, 0..ny (on IBM machines -1 and nx+1/ny+1 occured which |
---|
| 1385 | produced different RUN_CONTROL output compared to other machines). </p> |
---|
[62] | 1386 | <p>Output format of iteration count in routine run_control |
---|
| 1387 | enlarged.</p> </td> <td valign="top">check_parameters, |
---|
| 1388 | fft_for_1d_decomp, |
---|
[5] | 1389 | global_min_max, init_pegrid, |
---|
[62] | 1390 | modules, plot_ts, poisfft, run_control, temperton_fft</td> </tr> |
---|
| 1391 | <tr> <td valign="top"><br> </td> <td valign="top"><br> </td> <td valign="top"><br> |
---|
| 1392 | </td> <td valign="top">B</td> <td valign="top">Additional checks of variables <tt>hybrid_solver</tt> |
---|
[5] | 1393 | and <tt>host</tt> |
---|
[62] | 1394 | (<tt>hybrid_solver</tt> must not be used for a |
---|
| 1395 | 2d-domain-decomposition, <tt>host</tt> |
---|
[5] | 1396 | should be set by setting environment variable <tt>localhost</tt>). |
---|
[62] | 1397 | <p>Header output for mixing length limitations revised.</p> |
---|
| 1398 | </td> <td valign="top">check_parameters, header</td> |
---|
| 1399 | </tr> <tr> <td valign="top">09/05/03</td> |
---|
| 1400 | <td valign="top">SR</td> <td valign="top">2.7</td> |
---|
| 1401 | <td valign="top">N</td> <td valign="top"><b>Version |
---|
| 1402 | running on Linux Clusters using MPICH |
---|
[5] | 1403 | and Intel |
---|
[62] | 1404 | FORTRAN compiler (ifc)</b> <p>So far, only absolutely |
---|
| 1405 | neccessary changes have been done |
---|
[5] | 1406 | (possible |
---|
[62] | 1407 | optimizations will follow in a later version): </p> <p>New |
---|
| 1408 | time measurements for Linux (ifc) environment added. </p> <p>Some |
---|
| 1409 | parameters in MPI calls had to be modified (arrays had to |
---|
[5] | 1410 | be replaced |
---|
| 1411 | by the first element of the regarding array) in order to fulfill f90 |
---|
| 1412 | type |
---|
| 1413 | and rank requirements, since on the MUK-cluster a FORTRAN90-version of |
---|
| 1414 | MPI is used. This also required to replace "mpif.h" by using a special |
---|
[62] | 1415 | module (named <tt>mpi</tt>). I did not find out |
---|
| 1416 | how character |
---|
[5] | 1417 | strings |
---|
| 1418 | can be send with MPI. Therefore, these strings are transformed to |
---|
| 1419 | integers, |
---|
| 1420 | before they are send, and transformed back to characters on the |
---|
| 1421 | receiving |
---|
[62] | 1422 | PE. </p> <p>On the MUK-cluster, only PE0 is able to read |
---|
| 1423 | the values of |
---|
[5] | 1424 | environment |
---|
| 1425 | variables. Therefore, these values are communicated via broadcast to |
---|
| 1426 | the |
---|
[62] | 1427 | other PEs. </p> <p>1d-decomposition is set as the default |
---|
| 1428 | on Linux Clusters. |
---|
[5] | 1429 | Character |
---|
[62] | 1430 | strings have to be transformed to integer </p> <p>Smaller |
---|
| 1431 | changes: </p> <p>Batch_scp paths for IBM, NEC and Linux |
---|
| 1432 | added</p> </td> <td valign="top">check_open, |
---|
| 1433 | cpu_log, flow_statistics, |
---|
[5] | 1434 | init_pegrid, local_getenv, |
---|
[62] | 1435 | modules, palm, poisfft_hybrid</td> </tr> <tr> <td valign="top"><br> </td> <td valign="top"><br> |
---|
| 1436 | </td> <td valign="top"><br> </td> <td valign="top">B</td> <td valign="top">Measurements |
---|
| 1437 | on IBM are now using function <tt>irtc</tt>, |
---|
[5] | 1438 | which allows correct measurements for jobs running over the 24:00 |
---|
[62] | 1439 | timeline.</td> <td valign="top">cpu_log, |
---|
| 1440 | local_tremain, local_tremain_ini</td> </tr> <tr> <td valign="top">01/08/03</td> <td valign="top">SR</td> |
---|
| 1441 | <td valign="top">2.7a</td> <td valign="top">B</td> |
---|
| 1442 | <td valign="top">Check that the number processors is also |
---|
| 1443 | an |
---|
[5] | 1444 | integral divisor |
---|
[62] | 1445 | of the number of gridpoints along y in case of a |
---|
| 1446 | 1d-decomposition |
---|
| 1447 | along x. <p>Error concerning the multinode-version of |
---|
| 1448 | poisfft_hybrid |
---|
[5] | 1449 | removed. It |
---|
| 1450 | was caused by the Linux changes of version 2.7 and led to program abort |
---|
[62] | 1451 | due to MPI errors in <tt>MPI_ALLTOALL</tt>. </p> <p>No |
---|
| 1452 | abort on t3e-systems if system specific routines are used. </p> <p>Array<tt> |
---|
| 1453 | sums </tt>is initialized in<tt> init_3d_model </tt>before |
---|
| 1454 | the first call of<tt> pres</tt>. Call of<tt> |
---|
| 1455 | init_cloud_physics </tt>moved |
---|
| 1456 | before<tt> init_particles</tt>.</p> </td> <td valign="top">fft_1dd_init, init_3d_model, init_pegrid, |
---|
| 1457 | poisfft_hybrid</td> </tr> <tr> <td valign="top"><br> |
---|
| 1458 | </td> <td valign="top"><br> </td> <td valign="top"><br> </td> <td valign="top">N</td> |
---|
| 1459 | <td valign="top">Interactive steering of dvrp-graphic |
---|
| 1460 | features by |
---|
[5] | 1461 | dvrp-browser |
---|
| 1462 | plugin extended (position of slicers, threshold values of isosurfaces) |
---|
| 1463 | . New dvrp_graphics package parameter<tt> slicer_range_limits_dvrp</tt>.</td> |
---|
[62] | 1464 | <td valign="top">init_dvrp, modules, package_parin, |
---|
| 1465 | plot_dvrp</td> </tr> <tr> <td valign="top">29/10/03</td> |
---|
| 1466 | <td valign="top">SR</td> <td valign="top">2.7b</td> |
---|
| 1467 | <td valign="top">N</td> <td valign="top">In |
---|
| 1468 | the multigrid method, on a defined level, |
---|
[5] | 1469 | data are gathered |
---|
| 1470 | on PE0 and further calculations are carried out only on this PE. New<tt> |
---|
| 1471 | d3par </tt>parameter <tt>mg_switch_to_pe0_level</tt>. |
---|
[62] | 1472 | <p>Particle groups implemented. New data type<tt> |
---|
[5] | 1473 | particle_groups_type </tt>and data type<tt> particle_type </tt>modified. |
---|
| 1474 | Version |
---|
| 1475 | numbers are |
---|
| 1476 | output on the particle files. New<tt> particles_par </tt>parameter<tt> |
---|
[62] | 1477 | diameter</tt>. Parameter name<tt> uniform_psize</tt> |
---|
| 1478 | changed to<tt> |
---|
[5] | 1479 | dvrp_psize</tt>. |
---|
| 1480 | Parameters<tt> density_ratio </tt>is now an array.</p> |
---|
[62] | 1481 | </td> <td valign="top">advec_particles, check_open, |
---|
| 1482 | exchange_horiz, |
---|
[5] | 1483 | header, init_particles, |
---|
[62] | 1484 | init_pegrid, modules, package_parin, parin, poismg</td> </tr> |
---|
| 1485 | <tr> <td valign="top"><br> </td> <td valign="top"><br> </td> <td valign="top"><br> |
---|
| 1486 | </td> <td valign="top">C</td> <td valign="top">Random number generator from numerical recipes |
---|
[5] | 1487 | is now rewritten |
---|
| 1488 | as a module. In restart runs the seed of this generator is set to the |
---|
| 1489 | last |
---|
| 1490 | values of the previous run in order to keep the sequence of the random |
---|
[62] | 1491 | numbers. New binary version 2.2. <p>Buffer is flushed for file |
---|
| 1492 | RUN_CONTROL immediately after every |
---|
[5] | 1493 | output |
---|
[62] | 1494 | on IBM and Linux cluster.</p> </td> <td valign="top">advec_particles, |
---|
| 1495 | disturb_field, init_3d_model, |
---|
[5] | 1496 | init_particles, |
---|
[62] | 1497 | random_function, random_gauss, run_control, write_3d_binary</td> </tr> |
---|
| 1498 | <tr> <td valign="top"><br> </td> <td valign="top"><br> </td> <td valign="top"><br> |
---|
| 1499 | </td> <td valign="top">E</td> <td valign="top">In routine buoyance, horizontal mean |
---|
| 1500 | temperature |
---|
[5] | 1501 | is now |
---|
| 1502 | taken from array hom instead of array sums (otherwise inconsistence in |
---|
[62] | 1503 | case of using more than one statistical region). <p>Information |
---|
| 1504 | about the time of the last timestep change added |
---|
[5] | 1505 | to the |
---|
[62] | 1506 | restart file. </p> <p>System call of<tt> batch_scp </tt>on |
---|
| 1507 | IBM corrected.</p> </td> <td valign="top">buoyancy, |
---|
| 1508 | check_open, read_var_list, |
---|
| 1509 | write_var_list</td> </tr> <tr> <td style="vertical-align: top;">28/01/04</td> <td style="vertical-align: top;">SR</td> <td style="vertical-align: top;">2.8</td> <td style="vertical-align: top;">N</td> <td style="vertical-align: top;">Runge-Kutta schemes (2nd and |
---|
| 1510 | 3rd |
---|
[5] | 1511 | order) |
---|
| 1512 | for time integration implemented. The third order scheme is the new |
---|
| 1513 | default. |
---|
| 1514 | It allows the timestep to be 0.9*CFL, which is much larger than for the |
---|
[62] | 1515 | former default leapfrog scheme. The intermediate steps, which |
---|
| 1516 | are |
---|
[5] | 1517 | part of these schemes, are realized by an additional loop within routine<span style="font-family: monospace;"> |
---|
| 1518 | time_integration </span>(currently<span style="font-family: monospace;"> |
---|
[62] | 1519 | leap_frog</span>, but this routine will be renamed soon). |
---|
| 1520 | Steering |
---|
[5] | 1521 | variables<span style="font-family: monospace;"> |
---|
[62] | 1522 | at </span>and<span style="font-family: monospace;"> |
---|
| 1523 | bt </span>have |
---|
| 1524 | been replaced by array<span style="font-family: monospace;"> |
---|
| 1525 | sct</span>. |
---|
[5] | 1526 | , which is particularly used in the prognostic equations. Values of |
---|
| 1527 | this |
---|
| 1528 | steering array are calculated within the new routine<span style="font-family: monospace;"> |
---|
[62] | 1529 | timestep_scheme_steering</span>. <p>When using Runge-Kutta |
---|
| 1530 | schemes, the timestep increment |
---|
[5] | 1531 | is freely |
---|
| 1532 | allowed to adjust after each timestep (the older schemes are using some |
---|
[62] | 1533 | restrictions, see routine<span style="font-family: monospace;"> |
---|
| 1534 | timestep</span>). |
---|
| 1535 | Also, routine<span style="font-family: monospace;"> |
---|
| 1536 | run_control </span>is |
---|
[5] | 1537 | not automatically called in case of timestep changes, when Runge-Kutta |
---|
[62] | 1538 | schemes are switched on. </p> <p>The old leapfrog scheme |
---|
| 1539 | is still implemented and should |
---|
[5] | 1540 | produce the |
---|
[62] | 1541 | same results as in the previous version(s)! </p> <p>Depending |
---|
| 1542 | on the user experience, further adjustments to the |
---|
[5] | 1543 | Runge-Kutta |
---|
| 1544 | schemes may be necessary within the next minor versions. </p> |
---|
[62] | 1545 | <p><span style="font-weight: bold;">Attention:</span> |
---|
| 1546 | <br> |
---|
[5] | 1547 | The content of the testresult-file (run control output) has |
---|
| 1548 | significantly |
---|
[62] | 1549 | changed due to the new default timestep scheme!</p> </td> <td style="vertical-align: top;">check_parameters, header, |
---|
[5] | 1550 | init_3d_model, |
---|
| 1551 | init_rankine, leap_frog, modules, prognostic_equations, read_var_list, |
---|
[62] | 1552 | swap_timelevel, timestep, write_var_list <p><span style="font-weight: bold;">new:</span> <br> |
---|
| 1553 | timestep_scheme_steering</p> </td> </tr> <tr> |
---|
| 1554 | <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">C</td> <td style="vertical-align: top;">Output of particle infos in |
---|
[5] | 1555 | subroutine<span style="font-family: monospace;"> |
---|
[62] | 1556 | allocate_prt_memory </span>on demand only. <p>Type<span style="font-family: monospace;"> log </span>(used |
---|
[5] | 1557 | for |
---|
| 1558 | cpu time measurements) changed to<span style="font-family: monospace;"> |
---|
[62] | 1559 | logpoint </span>due to name conflict with FORTRAN |
---|
| 1560 | intrinsic<span style="font-family: monospace;"> |
---|
| 1561 | log.</span></p> </td> <td style="vertical-align: top;">advec_particles, |
---|
| 1562 | cpu_log, </td> </tr> <tr> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">E</td> <td style="vertical-align: top;">In case of opening unit 80, a |
---|
[5] | 1563 | barrier |
---|
| 1564 | is set only for the first call of<span style="font-family: monospace;"> |
---|
| 1565 | check_open </span>(from routine<span style="font-family: monospace;"> |
---|
[62] | 1566 | init_particles</span>), in order to avoid the possibility of |
---|
| 1567 | hanging |
---|
[5] | 1568 | jobs, |
---|
| 1569 | which may occur if unit 80 is opened within routine<span style="font-family: monospace;"> |
---|
[62] | 1570 | allocate_prt_memory</span>.</td> <td style="vertical-align: top;">check_open</td> </tr> |
---|
| 1571 | <tr> <td style="vertical-align: top;">30/01/04</td> |
---|
| 1572 | <td style="vertical-align: top;">SR</td> <td style="vertical-align: top;">2.8a</td> <td style="vertical-align: top;">N</td> <td style="vertical-align: top;">In order to prepare the code |
---|
| 1573 | for |
---|
[5] | 1574 | the simulation |
---|
| 1575 | of flow around buildings (to be realized in one of the next major |
---|
| 1576 | versions), |
---|
| 1577 | the lower<span style="font-family: monospace;"> k </span>index<span style="font-family: monospace;"> |
---|
| 1578 | nzb </span>has been replaced by a two-dimensional array<span style="font-family: monospace;"> |
---|
[62] | 1579 | nzb_2d </span>in many of the three-dimensional loops. So |
---|
| 1580 | far, all |
---|
[5] | 1581 | elements of this array are set to<span style="font-family: monospace;"> |
---|
[62] | 1582 | nzb</span>. <p>This change should not effect simulation |
---|
| 1583 | results and cpu time |
---|
[5] | 1584 | in any |
---|
[62] | 1585 | way.</p> </td> <td style="vertical-align: top;">advec_s_pw, |
---|
| 1586 | advec_s_up, |
---|
[5] | 1587 | advec_u_pw, advec_u_up, |
---|
| 1588 | advec_v_pw, advec_v_up, advec_w_pw, advec_w_up, asselin_filter, |
---|
| 1589 | buoyancy, |
---|
| 1590 | calc_liquid_water_content, calc_precipitation, calc_radiation, |
---|
| 1591 | coriolis, |
---|
| 1592 | diffusion_e, diffusion_s, diffusion_u, diffusion_v, diffusion_w, |
---|
| 1593 | diffusivities, |
---|
| 1594 | impact_of_latent_heat, init_3d_model, modules, production_e, |
---|
[62] | 1595 | prognostic_equations, </td> </tr> <tr> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">C</td> <td style="vertical-align: top;">Euler step informations are |
---|
[5] | 1596 | removed in |
---|
| 1597 | the run control output in case of Runge-Kutta schemes. Also, the |
---|
| 1598 | timestep |
---|
[62] | 1599 | increment limitation is removed for the Runge-Kutta schemes. <p><span style="font-weight: bold;">Attention:</span> <br> |
---|
[5] | 1600 | The content of the testresult-file (run control output) has changed |
---|
[62] | 1601 | due to this modification.</p> </td> <td style="vertical-align: top;">run_control, timestep</td> |
---|
| 1602 | </tr> <tr> <td style="vertical-align: top;"><br> |
---|
| 1603 | </td> <td style="vertical-align: top;"><br> </td> |
---|
| 1604 | <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">E</td> <td style="vertical-align: top;">Velocity gradients at the |
---|
[5] | 1605 | surface calculated |
---|
| 1606 | in routine production_e are now limited. In case of inhomogeneous |
---|
| 1607 | surface |
---|
| 1608 | heating small diffusivities (<span style="font-family: monospace;">km</span>) |
---|
[62] | 1609 | sometimes caused very small timesteps due to this problem.</td> <td style="vertical-align: top;">production_e</td> </tr> |
---|
| 1610 | <tr> <td style="vertical-align: top;">30/04/04<br> |
---|
| 1611 | </td> <td style="vertical-align: top;">SR<br> |
---|
| 1612 | </td> <td style="vertical-align: top;">2.8b<br> |
---|
| 1613 | </td> <td style="vertical-align: top;">N<br> </td> |
---|
| 1614 | <td style="vertical-align: top;">The number of processors |
---|
| 1615 | along |
---|
[5] | 1616 | the respective directions of the virtual processor grid must not be |
---|
| 1617 | integral divisors of the number of gridpoints along x, y or z any more. |
---|
| 1618 | In case that they are not integral divisors, the subdomains on the |
---|
| 1619 | processors at the upper borders of the virtual grid will contain less |
---|
| 1620 | gridpoints than the other subdomains (which are all of equal size). |
---|
| 1621 | Although this causes a load imbalance, only runs with very small |
---|
| 1622 | numbers of processors will feel a significant decrease of performance. |
---|
[62] | 1623 | In order to be able to carry out the transpositions, array<span style="font-family: monospace;"> d </span>(and also |
---|
| 1624 | working array<span style="font-family: monospace;"> tend</span>) |
---|
| 1625 | have the same size on |
---|
[5] | 1626 | all processors. This new feature is switched on by setting the |
---|
[62] | 1627 | inipar-parameter<span style="font-family: monospace;"> |
---|
| 1628 | grid_matching </span>= <span style="font-style: italic;">'match'</span>, |
---|
| 1629 | which is the |
---|
| 1630 | default now.<br> <br> |
---|
| 1631 | Routine<span style="font-family: monospace;"> poisfft </span>is |
---|
| 1632 | now |
---|
[5] | 1633 | the |
---|
| 1634 | default for solving the Poisson-equation for the case of 2d- as well as |
---|
| 1635 | 1d-domain-decompositions and has been changed from a subroutine to a |
---|
| 1636 | module. This routine now includes most of the optimization from the |
---|
[62] | 1637 | (Ketelsen) routine<span style="font-family: monospace;"> |
---|
| 1638 | poisfft_hybrid </span>and additionally allows 1d-decompositions |
---|
| 1639 | along y.<br> <span style="font-weight: bold;">ATTENTION:</span> |
---|
| 1640 | Routine<span style="font-family: monospace;"> |
---|
| 1641 | poisfft_hybrid </span>might still be |
---|
[5] | 1642 | faster when running PALM on more than one node of the IBM-Regatta, |
---|
[62] | 1643 | although the difference is not very big. The <span style="font-family: monospace;">poisfft</span>-code |
---|
| 1644 | for a |
---|
[5] | 1645 | decomposition along y has still a poor performance and needs further |
---|
[62] | 1646 | optimization.<br> <br> |
---|
[5] | 1647 | The spectra-package is now able to use all the available FFT-methods |
---|
| 1648 | (selected by inipar-parameter<span style="font-family: monospace;"> |
---|
| 1649 | fft_method </span>). |
---|
| 1650 | Performance of the transpositions needed for calculating the spectra |
---|
| 1651 | has been improved by using new direct transpositions from z to y and |
---|
[62] | 1652 | from y to x instead of two subsequent transpositions.<br> <br> |
---|
| 1653 | Runge-Kutta scheme implemented in the 1d-version (<span style="font-family: monospace;">init_1d_model</span>). |
---|
| 1654 | Diffusion |
---|
[5] | 1655 | quantity arrays are allocated for previous timelevels only in case of |
---|
[62] | 1656 | leapfrog scheme.<br> <br> |
---|
[5] | 1657 | This version is adapted for use on COMPAQ-DECALPHA systems (main |
---|
| 1658 | changes: calling of SHAPE function within subroutine arguments (e.g.<span style="font-family: monospace;"> singleton</span>) |
---|
| 1659 | causes compiler errors, particle data type modified for better |
---|
| 1660 | alignment, DATA statements from modules removed because they caused |
---|
[62] | 1661 | internal compiler errors).<br> </td> <td style="vertical-align: top;">advec_s_ups, advec_u_ups, |
---|
[5] | 1662 | advec_v_ups, advec_w_ups, calc_spectra, check_parameters, fft_xy, |
---|
| 1663 | header, init_1d_model, init_3d_model, init_particles, init_pegrid, |
---|
| 1664 | modules, parin, plot_2d, poisfft, prandtl_fluxes, pres, read_var_list, |
---|
| 1665 | singleton, spline_x, spline_y, spline_z, time_integration, transpose, |
---|
[62] | 1666 | write_3d_binary, write_var_list<br> </td> </tr> <tr> |
---|
| 1667 | <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">C<br> </td> <td style="vertical-align: top;">FFT routines renamed. Module<span style="font-family: monospace;"> fft_for_1d_decomp </span>renamed<span style="font-family: monospace;"> fft_xy</span>. |
---|
| 1668 | Subroutine<span style="font-family: monospace;"> leap_frog |
---|
| 1669 | </span>renamed<span style="font-family: monospace;"> |
---|
| 1670 | time_integration</span>.<br> <br> |
---|
[5] | 1671 | For all transpositions, MPI_ALLTOALL is used instead of MPI_ALLTOALLV. |
---|
[62] | 1672 | The names of many transposition indices have been changed.<br> <br> |
---|
| 1673 | Inipar-parameter<span style="font-family: monospace;"> |
---|
| 1674 | impulse_advec </span>renamed<span style="font-family: monospace;"> momentum_advec</span>.<br> |
---|
| 1675 | <br> |
---|
| 1676 | Reading of restart data is moved from<span style="font-family: monospace;"> init_3d_model </span>to |
---|
| 1677 | new routine <span style="font-family: monospace;">read_3d_binary</span>.<br> |
---|
| 1678 | <br> |
---|
| 1679 | All former transpose routines collected into one file.<br> </td> |
---|
| 1680 | <td style="vertical-align: top;">check_parameters, |
---|
[5] | 1681 | flow_statistics, header, init_1d_model, init_3d_model, init_advec, |
---|
| 1682 | init_pegrid, palm, parin, poisfft, poisfft_hybrid, production_e, |
---|
[62] | 1683 | prognostic_equations, read_var_list, sline_x, spline_y, write_var_list<span style="font-weight: bold;"><br> <br> |
---|
[5] | 1684 | new:</span><br> |
---|
[62] | 1685 | fft_xy, read_3d_binary, time_integration, transpose<br> <br> |
---|
| 1686 | <span style="font-weight: bold;">deleted:</span><br> |
---|
[5] | 1687 | fft_for_1d_decomp, leap_frog, transpose_xy, transpose_xz, transpose_yx, |
---|
[62] | 1688 | transpose_yz, transpose_zx, transpose_zy<br> </td> </tr> |
---|
| 1689 | <tr> <td style="vertical-align: top;"><br> </td> |
---|
| 1690 | <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">E<br> </td> <td style="vertical-align: top;">Small errors in the |
---|
[5] | 1691 | particle-package removed, which sometimes caused aborts of restart runs |
---|
[62] | 1692 | on IBM.<br> <br> |
---|
[5] | 1693 | Small error in calculating the time series profiles removed (array |
---|
| 1694 | bounds of some arrays needed for profil-output had to be increased).<br> |
---|
[62] | 1695 | <br> |
---|
[5] | 1696 | Function fft (singleton method) replaced by subroutine fftn due to |
---|
[62] | 1697 | problems with 64-bit mode on IBM<br> </td> <td style="vertical-align: top;">advec_particles, |
---|
| 1698 | check_parameters, <br> </td> </tr> <tr> <td style="vertical-align: top;">26/03/05<br> </td> |
---|
| 1699 | <td style="vertical-align: top;">SR<br> </td> |
---|
| 1700 | <td style="vertical-align: top;">2.9<br> </td> |
---|
| 1701 | <td style="vertical-align: top;">N<br> </td> <td style="vertical-align: top;">Non-cyclic lateral boundary |
---|
[5] | 1702 | conditions implemented.<br> |
---|
| 1703 | Dirichlet/Neumann conditions at the inflow/outflow can be used either |
---|
| 1704 | along x or along y. Cyclic conditions have to be used along the |
---|
| 1705 | remaining direction. In case of non-cyclic conditions along x (y), the |
---|
| 1706 | upper bound nxl (nyn) of array u (v) is enlarged by one gridpoint on |
---|
| 1707 | the rightmost (northest) processor. These array index informations are |
---|
[62] | 1708 | passed to routine<span style="font-family: monospace;"> |
---|
| 1709 | exchange_horiz </span>and<span style="font-family: monospace;"> |
---|
| 1710 | disturb_field </span>by two |
---|
[5] | 1711 | additional arguments. Boundary conditions are set with new |
---|
[62] | 1712 | inipar-parameters<span style="font-family: monospace;"> |
---|
| 1713 | bc_lr </span>and<span style="font-family: monospace;"> |
---|
| 1714 | bc_ns</span>. A damping layer is |
---|
| 1715 | needed at the outflow in order to damp reflections (see new parameters<span style="font-family: monospace;"> km_damp_max </span>and<span style="font-family: monospace;"> outflow_damping_width</span>) |
---|
| 1716 | and an |
---|
| 1717 | additional disturbance is imposed near the inflow (see new parameters<span style="font-family: monospace;"> |
---|
| 1718 | inflow_disturbance_begin </span>and<span style="font-family: monospace;"> inflow_disturbance_end</span>). |
---|
[5] | 1719 | Non-cyclic conditions require the use of the multigrid-method for |
---|
[62] | 1720 | solving the Poisson equation. Argument<span style="font-family: monospace;"> range </span>added |
---|
| 1721 | to routine<span style="font-family: monospace;"> |
---|
| 1722 | boundary_conds </span>(where the |
---|
| 1723 | non-cyclic conditions are set). <br> <br> |
---|
[5] | 1724 | Minor changes:<br> |
---|
[62] | 1725 | Output of parameter<span style="font-family: monospace;"> |
---|
| 1726 | datform </span>on |
---|
| 1727 | &GLOBAL-Namelist (iso2d). This is set to <span style="font-style: italic;">'big_endian'</span> on |
---|
| 1728 | IBM- and |
---|
| 1729 | NEC-machines.<br> <br> |
---|
| 1730 | Number of particle groups are additionally calculated in<span style="font-family: monospace;"> header </span>(formerly |
---|
| 1731 | unknown).<br> </td> <td style="vertical-align: top;">advec_u_pw, |
---|
[5] | 1732 | advec_u_up, advec_v_pw, advec_v_up, boundary_conds, |
---|
| 1733 | calc_liquid_water_content, check_parameters, close_file, coriolis, |
---|
| 1734 | diffusion_u, diffusion_v, diffusion_w, diffusivities, disturb_field, |
---|
| 1735 | exchange_horiz, header, init_3d_model, init_pegrid, init_pt_anomaly, |
---|
| 1736 | init_rankine, modules, parin, poismg, pres, prognostic_equations, |
---|
| 1737 | read_var_list, sor, time_integration, timestep, write_var_list<br> |
---|
[62] | 1738 | </td> </tr> <tr> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">C<br> </td> <td style="vertical-align: top;"><span style="font-family: monospace;">pres </span>is called |
---|
| 1739 | by default only |
---|
[5] | 1740 | at the last Runge-Kutta-substep, which spares a big amount of CPU-time |
---|
| 1741 | (see also new parameter<span style="font-family: monospace;"> |
---|
[62] | 1742 | call_psolver_at_all_substeps</span>). No pressure term in the |
---|
| 1743 | momentum |
---|
| 1744 | equations in case of Runge-Kutta-schemes.<br> <span style="font-weight: bold;">Attention:</span> <br> |
---|
[5] | 1745 | The content of the testresult-file (run control output) has changed |
---|
[62] | 1746 | due to this modification.<br> <br> |
---|
| 1747 | Program speedup by removing the exchange of ghost points in routines <span style="font-family: monospace;">calc_liquid_water_content</span>, |
---|
| 1748 | <span style="font-family: monospace;">diffusivities</span>, |
---|
| 1749 | .<br> <br> |
---|
| 1750 | Default value for residual limit increased from 1E-6 to 1E-4. Routine<span style="font-family: monospace;"> prolong </span>in<span style="font-family: monospace;"> poismg </span>simplified |
---|
| 1751 | (one call of<span style="font-family: monospace;"> |
---|
| 1752 | exchange_horiz </span>spared).<br> </td> <td style="vertical-align: top;">calc_liquid_water_content, |
---|
[5] | 1753 | diffusivities, modules, poismg, pres, time_integration, |
---|
[62] | 1754 | timestep_scheme_steering<br> </td> </tr> <tr> |
---|
| 1755 | <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">E<br> </td> <td style="vertical-align: top;">Calculation of vertical |
---|
| 1756 | particle |
---|
| 1757 | velocity (with inertia) corrected, exp_arg had a wrong sign.<br> <br> |
---|
[5] | 1758 | (e)**1.5 replaced by e*SQRT(e) in init_1d_model because of wrong |
---|
| 1759 | results on NEC machines (as a side effect, the new calculation is much |
---|
[62] | 1760 | faster).<br> <br> |
---|
[5] | 1761 | Two errors concerning switch to PE0 (multigrid method) removed from<span style="font-family: monospace;"> init_pegrid</span>.<br> |
---|
[62] | 1762 | <br> |
---|
| 1763 | Two errors in<span style="font-family: monospace;"> |
---|
| 1764 | plot_2d </span>removed: |
---|
[5] | 1765 | local_2d is allocated with upper bound<span style="font-family: monospace;"> nzt</span> (former<span style="font-family: monospace;"> nzt+1 </span>was |
---|
| 1766 | wrong), additional barrier in case that PE0 gathers data from the other |
---|
| 1767 | PEs, this barrier had to be set at the end of the gathering because |
---|
[62] | 1768 | otherwise PE0 sometimes received wrong data on tag 0.<br> <br> |
---|
| 1769 | Use of module indices removed from routine<span style="font-family: monospace;"> split_1dd </span>in<span style="font-family: monospace;"> poisfft </span>since |
---|
| 1770 | it caused |
---|
| 1771 | errors in case of<span style="font-family: monospace;"> nx |
---|
| 1772 | /= ny </span>and |
---|
| 1773 | a 1D-decomposition along y.<br> <br> |
---|
[5] | 1774 | Wrong re-definition of dx2 and dy2 in<span style="font-family: monospace;"> sor </span>removed.<br> |
---|
[62] | 1775 | </td> <td style="vertical-align: top;">advec_particles, |
---|
| 1776 | init_1d_model, |
---|
| 1777 | init_pegrid, plot_2d, poisfft, sor<br> </td> </tr> <tr> |
---|
| 1778 | <td style="vertical-align: top;">23/04/05<br> </td> |
---|
| 1779 | <td style="vertical-align: top;">SR<br> </td> |
---|
| 1780 | <td style="vertical-align: top;">2.9a<br> </td> |
---|
| 1781 | <td style="vertical-align: top;">C<br> </td> <td style="vertical-align: top;">Additional check for |
---|
[5] | 1782 | incompatibilities between non-cyclic lateral boundary conditions and |
---|
[62] | 1783 | other schemes.<br> <br> |
---|
| 1784 | fcl_factor renamed cfl_factor.<br> <br> |
---|
[5] | 1785 | New local array sums_ll declared in flow_statistics instead of |
---|
[62] | 1786 | temporarily using sums_l.<br> <br> |
---|
[5] | 1787 | crmax (maximum number of crosses allowed in a plot of vertical |
---|
[62] | 1788 | profiles) increased from 20 to 100.<br> </td> <td style="vertical-align: top;">calc_spectra, check_parameters, |
---|
| 1789 | flow_statistics, header, modules, parin, timestep<br> </td> |
---|
| 1790 | </tr> <tr> <td style="vertical-align: top;"><br> |
---|
| 1791 | </td> <td style="vertical-align: top;"><br> </td> |
---|
| 1792 | <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">E<br> </td> <td style="vertical-align: top;">Revised calculation of output |
---|
[5] | 1793 | time counters regarding a possible decrease of the output time interval |
---|
[62] | 1794 | in case of restart runs.<br> <br> |
---|
[5] | 1795 | Error removed in Dirichlet bottom boundary conditions for pt and q in |
---|
[62] | 1796 | case of Runge-Kutta schemes.<br> <br> <span style="font-weight: bold;">batch_scp</span> calls |
---|
| 1797 | (needed |
---|
[5] | 1798 | for determining correct filenames for AVS-fld-files) is given the |
---|
[62] | 1799 | remote username as an additional argument.<br> <br> |
---|
| 1800 | Default setting of outflow_damping_width corrected.<br> <br> |
---|
[5] | 1801 | Initial horizontal velocities at the lowest grid levels in the 1d-model |
---|
| 1802 | are set to a very small value in order to avoid wrong results and the |
---|
[62] | 1803 | resulting too small timesteps.<br> <br> |
---|
[5] | 1804 | Implicit counters i renamed i9 in modules due to declaration conflicts |
---|
[62] | 1805 | with i in other subroutines (reported by Portland compiler).<br> </td> |
---|
| 1806 | <td style="vertical-align: top;">advec_particles, |
---|
| 1807 | boundary_conds, |
---|
[5] | 1808 | check_open, check_parameters, init_1d_model, modules, time_integration<br> |
---|
[62] | 1809 | </td> </tr> <tr> <td style="vertical-align: top;">18/05/05<br> </td> |
---|
| 1810 | <td style="vertical-align: top;">SR<br> </td> |
---|
| 1811 | <td style="vertical-align: top;">2.10<br> </td> |
---|
| 1812 | <td style="vertical-align: top;">N<br> </td> <td style="vertical-align: top;">NetCDF support implemented.<br> |
---|
[5] | 1813 | Profiles, time series, spectra, cross-sections, 3d-volume-data and |
---|
| 1814 | particle data can now be output in NetCDF format (file handles |
---|
| 1815 | 101-108). This output can be switched on with the new d3par-parameter <span style="font-family: monospace;">data_output_format</span>. |
---|
| 1816 | So far, this support is available on IBM systems at HLRN and on the NEC |
---|
[62] | 1817 | system at DKRZ. Output in format suitable for graphic software <span style="font-weight: bold;">profil</span>, <span style="font-weight: bold;">iso2d</span> and <span style="font-weight: bold;">avs</span> is still |
---|
| 1818 | possible.<br> <br> |
---|
[5] | 1819 | Output of cross sections for qv, vpt and lwp (liquid water path).<br> |
---|
[62] | 1820 | </td> <td style="vertical-align: top;">advec_particles, |
---|
| 1821 | check_open, |
---|
[5] | 1822 | check_parameters, close_file, header, modules, parin, plot_1d, plot_2d, |
---|
| 1823 | plot_3d, plot_spectra, plot_ts, read_var_list, write_var_list<br> |
---|
[62] | 1824 | <br> <span style="font-weight: bold;">new:</span><br> |
---|
| 1825 | netcdf<br> </td> </tr> <tr> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">C<br> </td> <td style="vertical-align: top;">In <span style="font-family: monospace;">calc_spectra</span>, n |
---|
| 1826 | is assigned the |
---|
[5] | 1827 | number of spectra (formerly, the number of spectra was given by n-1)<br> |
---|
[62] | 1828 | <br> |
---|
[5] | 1829 | Abort if <span style="font-family: monospace;">poisfft_hybrid</span> |
---|
[62] | 1830 | is called in a non-parallel environment.<br> <br> |
---|
| 1831 | Default values of spectra package parameters <span style="font-family: monospace;">pl_spectra</span> and <span style="font-family: monospace;">spectra_direction</span> |
---|
| 1832 | changed.<br> </td> <td style="vertical-align: top;">calc_spectra, |
---|
| 1833 | check_parameters, |
---|
| 1834 | modules, pres, read_3d_binary, write_3d_binary<br> </td> </tr> |
---|
| 1835 | <tr> <td style="vertical-align: top;"><br> </td> |
---|
| 1836 | <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">E<br> </td> <td style="vertical-align: top;">Missing argument in ffty |
---|
| 1837 | (non-parallel case) added.<br> <br> |
---|
| 1838 | Error in output of particle inertia information removed.<br> </td> |
---|
| 1839 | <td style="vertical-align: top;">poisfft, header<br> |
---|
| 1840 | </td> </tr> <tr> <td style="vertical-align: top;">05/07/05<br> </td> |
---|
| 1841 | <td style="vertical-align: top;">SR<br> </td> |
---|
| 1842 | <td style="vertical-align: top;">2.11<br> </td> |
---|
| 1843 | <td style="vertical-align: top;">N/C<br> </td> |
---|
| 1844 | <td style="vertical-align: top;">New cloud physics code |
---|
[5] | 1845 | implemented, which explicitly simulates single cloud droplets, |
---|
| 1846 | including droplet growth by condensation and collision. Using this code |
---|
[62] | 1847 | requires to set the new inipar-parameter <span style="font-family: monospace;">cloud_droplets</span> |
---|
| 1848 | = .TRUE. and to use the particle package (by using the <span style="font-weight: bold;">mrun</span>-option <span style="font-family: monospace;">-p particles</span>). |
---|
| 1849 | Coupling between droplets and the thermodynamic quantities (potential |
---|
| 1850 | temperature and specific humidity) is regarded in the new subroutine <span style="font-family: monospace;">interaction_droplets_ptq</span>. |
---|
| 1851 | The real number of droplets in a grid cell can steered by the new |
---|
| 1852 | inipar-parameter <span style="font-family: monospace;">initial_weighting_factor</span>.<br> |
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| 1853 | <br> <span style="font-weight: bold;">This code |
---|
| 1854 | will be further extended and probably changed in the near future, so |
---|
| 1855 | the current status is that of a test version!</span><br> <br> |
---|
| 1856 | In connection with this new code implementation, several changes has |
---|
| 1857 | been made to the existing code:<br> <br> |
---|
| 1858 | The particle (droplet) size is now given as radius (previously |
---|
| 1859 | diameter). E.g., the name of the respective package parameter <span style="font-family: monospace;">diameter</span> has |
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| 1860 | changed to <span style="font-family: monospace;">radius</span>.<br> |
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| 1861 | <br> |
---|
| 1862 | The current weighting_factor and radius are stored as additional |
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| 1863 | particle attributes in the type structure <span style="font-family: monospace;">particle_type</span>. |
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| 1864 | The MPI data type <span style="font-family: monospace;">mpi_particle_type</span>, |
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| 1865 | needed for exchanging particles between subdomains, has been changed |
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| 1866 | correspondingly.<br> <br> <span style="font-family: monospace;">gas_constant</span> is |
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| 1867 | renamed <span style="font-family: monospace;">r_d</span>, |
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| 1868 | <span style="font-family: monospace;">latent_heat</span> |
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| 1869 | is renamed <span style="font-family: monospace;">r_v</span>, |
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| 1870 | the allowed string length of <span style="font-family: monospace;">pl2d</span> |
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| 1871 | and <span style="font-family: monospace;">pl3d</span> |
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| 1872 | is increased from 6 to 10.<br> <br> |
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| 1873 | New 3d arrays <span style="font-family: monospace;">ql_1</span>, |
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| 1874 | <span style="font-family: monospace;">ql_2</span>, <span style="font-family: monospace;">ql_v</span> and <span style="font-family: monospace;">ql_vp</span>, <span style="font-family: monospace;">ql</span> is now a |
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| 1875 | pointer, new pointer <span style="font-family: monospace;">ql_c</span>.<br> |
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| 1876 | <br> |
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| 1877 | Data format for unit 85 (particle data output) is changed.</td> <td style="vertical-align: top;">advec_particles.f90 |
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[5] | 1878 | check_open.f90, header.f90, init_3d_model.f90, init_cloud_physics.f90, |
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| 1879 | init_particles.f90, modules.f90, package_parin.f90, parin.f90, |
---|
| 1880 | plot_2d.f90, plot_3d.f90, read_var_list.f90, time_integration.f90, |
---|
[62] | 1881 | write_var_list.f90<br> <br> <span style="font-weight: bold;">new:</span><br> |
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| 1882 | interaction_droplets_ptq.f90</td> </tr> <tr> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">C<br> </td> <td style="vertical-align: top;">Default value of <span style="font-family: monospace;">call_psolver_at_all_substeps</span> |
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| 1883 | is <span style="font-style: italic;">.TRUE.</span>, |
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| 1884 | because small scale waves occured with <span style="font-style: italic;">.FALSE.</span></td> <td style="vertical-align: top;">modules.f90</td> </tr> |
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| 1885 | <tr> <td style="vertical-align: top;"><br> </td> |
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| 1886 | <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">E<br> </td> <td style="vertical-align: top;">2d- and 3d-NetCDF-files are not |
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| 1887 | opened if there is no output for them (<span style="font-family: monospace;">pl2d</span> = <span style="font-family: monospace;">pl3d</span> = <span style="font-style: italic;">' '</span>).<br> <br> |
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[5] | 1888 | No opening of units 101 - 108 in case of missing NetCDF support.</td> |
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[62] | 1889 | <td style="vertical-align: top;">check_open.f90, netcdf.f90<br> |
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| 1890 | </td> </tr> <tr> <td style="vertical-align: top;">30/06/05<br> </td> |
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| 1891 | <td style="vertical-align: top;">GS<br> </td> |
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| 1892 | <td style="vertical-align: top;">2.11a<br> </td> |
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| 1893 | <td style="vertical-align: top;">C<br> </td> <td style="vertical-align: top;">Scalars ug and vg have been |
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[5] | 1894 | changed into |
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| 1895 | arrays in order to allow the specification of a geostrophic wind that |
---|
| 1896 | depends on height (baroclinicity). The initial profiles of the the |
---|
| 1897 | u- and v-component of the geostrophic wind are initialized by |
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[62] | 1898 | specifying the new initialization parameters <span style="font-family: monospace;">ug_surface</span>, <span style="font-family: monospace;">ug_vertical_gradient</span>, |
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| 1899 | <span style="font-family: monospace;">ug_vertical_gradient_level</span> |
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| 1900 | and <span style="font-family: monospace;">vg_surface</span>, |
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| 1901 | <span style="font-family: monospace;">vg_vertical_gradient</span>, |
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| 1902 | <span style="font-family: monospace;">vg_vertical_gradient_level</span>, |
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| 1903 | respectively. <br> <br> |
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| 1904 | The former initialization parameters <span style="font-family: monospace;">ug</span> and <span style="font-family: monospace;">vg</span> have been |
---|
| 1905 | removed. <br> </td> <td style="vertical-align: top;">boundary_conds, |
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[5] | 1906 | check_parameters, coriolis, header, init_1d_model, modules, parin, |
---|
| 1907 | prognostic_equations, read_var_list, spline_z, write_var_list<br> |
---|
[62] | 1908 | </td> </tr> <tr> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;"><br> </td> <td style="vertical-align: top;">E<br> </td> <td style="vertical-align: top;">Error in the calculation of u_0 |
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[5] | 1909 | and |
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[62] | 1910 | v_0 in production_e.f90 removed.<br> <br> <span style="font-weight: bold;">Attention:</span> <br> |
---|
[5] | 1911 | The content of the testresult-file (run control output) has changed |
---|
[62] | 1912 | due to this modification.<br> </td> <td style="vertical-align: top;">production_e<br> </td> |
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| 1913 | </tr> <tr> <td style="text-align: left; vertical-align: top;">20/10/05</td> |
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| 1914 | <td style="vertical-align: top;">SR</td> <td style="vertical-align: top;">2.11b</td> <td style="vertical-align: top;">N/C</td> <td style="vertical-align: top;">Collision process for droplet |
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| 1915 | growth completed.<br> <br> <span style="font-weight: bold;">The droplet code is still under |
---|
| 1916 | development and requires further speed optimization!<br> <br> |
---|
| 1917 | </span>Number of particles really used is additionally output on |
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| 1918 | the netcdf particle data file.<span style="font-weight: bold;"></span></td> |
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| 1919 | <td style="vertical-align: top;">advec_particles, modules, |
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| 1920 | netcdf</td> </tr> <tr> <td style="vertical-align: top;"> </td> <td style="vertical-align: top;"> </td> <td style="vertical-align: top;"> </td> <td style="vertical-align: top;">E</td> <td style="vertical-align: top;">The |
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[5] | 1921 | last PE in a row is not allowed to have more grid points than the other |
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| 1922 | PES (only less). Jobs crashed in these cases that the last PE has more |
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| 1923 | grid points. Therefore, the number of gridpoints along x (and y) must |
---|
[62] | 1924 | now meet a special condition which is checked in case that <span style="font-family: monospace;">grid_matching</span> = |
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| 1925 | <span style="font-style: italic;">'match'</span> is |
---|
| 1926 | used.<br> <br> |
---|
| 1927 | Error removed in calculating y axis data for yz cross sections. Error |
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| 1928 | in output of netcdf yz-cross-sections removed.<br> <br> |
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| 1929 | 2*r replaced by r in the exponential term of the particle momentum |
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| 1930 | equation.<br> |
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| 1931 | Error in output of yz-slice information removed.</td> <td style="vertical-align: top;">advec_particles, header, |
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| 1932 | init_pegrid, netcdf, plot_2d</td> </tr> <tr> <td style="vertical-align: top;">06/12/05</td> <td style="vertical-align: top;">SR</td> <td style="vertical-align: top;">2.11c</td> <td style="vertical-align: top;">N</td> <td style="vertical-align: top;">Output of ql profile is allowed |
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| 1933 | in case of using cloud droplets.</td> <td style="vertical-align: top;">check_parameters, |
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| 1934 | flow_statistics, modules</td> </tr> <tr> <td style="vertical-align: top;"> </td> <td style="vertical-align: top;"> </td> <td style="vertical-align: top;"> </td> <td style="vertical-align: top;">E</td> <td style="vertical-align: top;">The horizontally averaged pt |
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| 1935 | profile is calculated within<span style="font-family: monospace;"> |
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| 1936 | buoyancy </span>only |
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[5] | 1937 | in case of the first respective intermediate timestep. This is done in |
---|
| 1938 | order to spare communication time and to produce identical model |
---|
[62] | 1939 | results with jobs which are calling<span style="font-family: monospace;"> flow_statistics </span>at |
---|
| 1940 | different time intervals.<br> <br> |
---|
| 1941 | Error in netcdf variable declaration for<span style="font-family: monospace;"> statistic_regions </span>/= |
---|
| 1942 | <span style="font-style: italic;">0</span> removed.</td> |
---|
| 1943 | <td style="vertical-align: top;">buoyancy, netcdf</td> |
---|
| 1944 | </tr><tr><td style="vertical-align: top;">23/02/06</td><td style="vertical-align: top;">SR</td><td style="vertical-align: top;">3.0</td><td style="vertical-align: top;">N</td><td><span style="font-weight: bold;">Version for simulating flows over |
---|
| 1945 | topography (buildings, mountains, etc.)</span><br style="font-weight: bold;"><br>Besides |
---|
[5] | 1946 | the implementation of topography, this version contains several other |
---|
[62] | 1947 | improvements. The most important ones are listed here:<br><ul><li>The |
---|
| 1948 | cloud droplet code has been optimized (it now runs about 100 times |
---|
| 1949 | faster than before).</li><li>Output of time-averaged 2d/3d |
---|
| 1950 | data (sections / volume data) is possible.</li><li>Output |
---|
| 1951 | of 2d-section data averaged along the direction normal to this section |
---|
| 1952 | can be done.</li><li>The user-interface has been extended |
---|
| 1953 | in order to allow 2d-/3d-output of user-defined quantities.</li></ul>The |
---|
| 1954 | kind of topography to be used is controlled by the new initialization |
---|
| 1955 | parameter <span style="font-family: monospace;">topography</span>. |
---|
| 1956 | Allowed values are <span style="font-style: italic;">'flat'</span>, |
---|
| 1957 | <span style="font-style: italic;">'single_building'</span>, |
---|
| 1958 | and <span style="font-style: italic;">'read_from_file'</span>. |
---|
| 1959 | The user can define his own special topography setting within the new |
---|
| 1960 | user-interface routine <span style="font-family: monospace;">user_init_grid</span>. |
---|
| 1961 | For the single building case, the building (rectangular) size |
---|
| 1962 | and position can be controlled with parameters <span style="font-family: monospace;">building_height</span>, |
---|
| 1963 | <span style="font-family: monospace;">building_length_x</span>, |
---|
| 1964 | <span style="font-family: monospace;">building_length_y</span>, |
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| 1965 | <span style="font-family: monospace;">building_wall_left</span>, |
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| 1966 | and <span style="font-family: monospace;">building_wall_south</span>.<br> |
---|
| 1967 | <br> |
---|
| 1968 | The topography code is already optimized (vectorized) for use on the |
---|
| 1969 | NEC-SX6.<br><br>Output of time-averaged 2d-/3d-data can be |
---|
| 1970 | enabled by appending the string <span style="font-style: italic;">'_av'</span> |
---|
| 1971 | to the respective output quantities given with the new |
---|
| 1972 | runtime-parameter <span style="font-family: monospace;">data_output</span> |
---|
[5] | 1973 | (see further below for the (name)changes in the parameters for data |
---|
| 1974 | output). Example: if a time-average of the vertical cross-section of |
---|
| 1975 | potential temperature is required, the user has to set <span style="font-family: monospace;">data_output</span> = <span style="font-style: italic;">'pt_xy_av'</span>. |
---|
| 1976 | In case of NetCDF-output, the time-averaged data is output to |
---|
| 1977 | additional files (seperate from the non-averaged output). The length of |
---|
| 1978 | the averaging interval and the temporal distance of the single |
---|
| 1979 | instantaneous sections (volumes) entering into this averaging is |
---|
[62] | 1980 | controlled by the new runtime-parameters <span style="font-family: monospace;">averaging_interval</span>and |
---|
| 1981 | <span style="font-family: monospace;">dt_averaging_input</span>. |
---|
| 1982 | <br><br>An average normal to the direction of a |
---|
| 1983 | cross-section can be output by setting the respective cross section |
---|
| 1984 | index to <span style="font-style: italic;">-1</span> |
---|
| 1985 | (example: <span style="font-family: monospace;">section_xz</span> |
---|
| 1986 | = <span style="font-style: italic;">-1</span>).<br><br>New |
---|
| 1987 | user-interface routines allowing the output of user-defined quantities |
---|
| 1988 | are <span style="font-family: monospace;">user_check_data_output</span>, |
---|
| 1989 | <span style="font-family: monospace;">user_define_netcdf_grid</span>, |
---|
| 1990 | <span style="font-family: monospace;">user_data_output_2d</span>, |
---|
| 1991 | <span style="font-family: monospace;">user_data_output_3d</span>, |
---|
| 1992 | and <span style="font-family: monospace;">user_3d_data_averaging</span>. |
---|
| 1993 | These quantities can be calculated using the new <span style="font-family: monospace;">CASE</span>-Entry <span style="font-style: italic;">'after integration'</span> |
---|
| 1994 | in the user-interface routine <span style="font-family: monospace;">user_actions</span>.<br><br>Optimization |
---|
[5] | 1995 | of the cloud droplet code is mainly done by re-sorting all particles |
---|
| 1996 | after every timestep in a way that now all particles which belong to |
---|
| 1997 | the same grid-box (k,j,i) are stored consecutively (wthout any strides) |
---|
[62] | 1998 | in memory.<br> <br> |
---|
| 1999 | Code adaptation for the IBM at the department of atmospheric sciences, |
---|
| 2000 | Yonsei university (ibmy). Affected subroutines: <span style="font-family: monospace;">fft_xy</span>, <span style="font-family: monospace;">netcdf</span>, <br><br><span style="font-weight: bold;">Further new features:</span><br><ul><li>Use |
---|
| 2001 | of particle tails now requires setting of the new package-parameter <span style="font-family: monospace;">use_particle_tails</span>. |
---|
| 2002 | The new parameter skip_particles_for_tail allows only every <span style="font-family: monospace;">skip_particle_for_tail</span>'th |
---|
| 2003 | parameter having a tail.</li><li>Initialization-parameter <span style="font-family: monospace;">e_min</span> can be |
---|
| 2004 | used to set a lower limit for the subgrid-scale TKE (i.e. to guarantee |
---|
| 2005 | a lower limit for the flow's Reynolds-number).</li><li>A |
---|
[5] | 2006 | conservation of the volume flow (through the complete xz- and |
---|
| 2007 | yz-sections of the total domain) can be enforced by the new |
---|
[62] | 2008 | initialization-parameter <span style="font-family: monospace;">conserve_volume_flow</span>.</li><li>Data |
---|
| 2009 | output can be skipped for a given time interval from simulation start |
---|
| 2010 | (t=0) using new runtime-parameters <span style="font-family: monospace;">skip_time_dopr</span>, |
---|
| 2011 | <span style="font-family: monospace;">skip_time_dosp</span>, |
---|
| 2012 | <span style="font-family: monospace;">skip_time_do2d_xy</span>, |
---|
| 2013 | <span style="font-family: monospace;">skip_time_do2d_xz</span>, |
---|
| 2014 | <span style="font-family: monospace;">skip_time_do2d_yz</span>, |
---|
| 2015 | and <span style="font-family: monospace;">skip_time_do3d</span>.<br> |
---|
| 2016 | </li><li>By default, NetCDF output is now using 64-bit |
---|
| 2017 | offset format |
---|
[5] | 2018 | (large file support) on most machines. The user can switch to the |
---|
[62] | 2019 | 32-bit offset format with the new runtime-parameter <span style="font-family: monospace;">netcdf_64bit</span>. |
---|
| 2020 | Units 111:113 and 116 are opened for NetCDF output of |
---|
| 2021 | time-averaged 2d-3d data.<br> </li> <li>Data |
---|
[5] | 2022 | logging routines are added (see file data_log.f90), which can be used |
---|
| 2023 | for debugging purposes. Output is done on unit 20 (local file |
---|
[62] | 2024 | name/directory name DATA_LOG).</li> <li>New routine <span style="font-family: monospace;">exchange_horiz_2d_int</span> |
---|
| 2025 | for ghostpoint exchange of 2d-integer arrays. Routine <span style="font-family: monospace;">exchange_horiz_2d</span> |
---|
| 2026 | is extended for non-cyclic boundary conditions in the non-parallel case.</li> |
---|
| 2027 | <li>Two different methods for calculating the mixing length and |
---|
[5] | 2028 | the dissipation can be used in the 1d-model. These are steered by the |
---|
[62] | 2029 | new initializing-parameters <span style="font-family: monospace;">dissipation_1d</span> |
---|
| 2030 | and <span style="font-family: monospace;">mixing_length_1d</span>.<br> |
---|
| 2031 | </li> |
---|
| 2032 | </ul></td><td style="vertical-align: top;">advec_particles, |
---|
| 2033 | advec_s_pw, |
---|
[5] | 2034 | advec_s_up, advec_u_pw, advec_u_up, advec_v_pw, advec_v_up, advec_w_pw, |
---|
| 2035 | advec_w_up, boundary_conds, buoyancy, check_open, check_parameters, |
---|
| 2036 | close_file, coriolis, diffusion_e, diffusion_s, diffusion_u, |
---|
| 2037 | diffusion_v, diffusion_w, diffusivities, disturb_field, |
---|
| 2038 | disturb_heatflux, exchange_horiz_2d, exchange_horiz, flow_statistics, |
---|
| 2039 | header, init_1d_model, init_3d_model, init_grid, init_particles, |
---|
| 2040 | init_pegrid, modules, netcdf, package_parin, parin, poisfft, |
---|
| 2041 | prandtl_fluxes, pres, production_e, prognostic_equations, |
---|
| 2042 | read_3d_binary, read_var_list, run_control, time_integration, |
---|
[62] | 2043 | user_interface, write_3d_binary, write_var_list<br> <br> <span style="font-weight: bold;">new:</span><br> |
---|
| 2044 | average_3d_data, data_log, sum_up_3d_data<br> <br> <span style="font-weight: bold;">renamed:<br> </span>plot_dvrp |
---|
| 2045 | -> data_output_dvrp<br> |
---|
[5] | 2046 | plot_spectra -> data_output_spectra<br> |
---|
| 2047 | plot_ts -> data_output_tseries<br> |
---|
[62] | 2048 | plot_1d -> data_output_profiles<br> <span style="font-weight: bold;"></span>plot_2d -> |
---|
| 2049 | data_output_2d<br> |
---|
[5] | 2050 | plot_3d -> data_output_3d<br> |
---|
[62] | 2051 | </td></tr><tr><td style="vertical-align: top;"> </td><td> </td><td> </td><td style="vertical-align: top;">C</td><td>In |
---|
| 2052 | parallel mode, all PEs are opening the same copy of the |
---|
| 2053 | NAMELIST-parameter file <span style="font-family: monospace;">PARIN</span>, |
---|
| 2054 | i.e. from now on, the file attribute "<span style="font-family: monospace;">npe</span>" must be |
---|
| 2055 | removed from the corresponding file connection statements in the <span style="font-weight: bold;">mrun</span> configuration |
---|
| 2056 | file (.mrun.config).<br><br>A |
---|
[5] | 2057 | large number of parameter names and local filenames have been changed |
---|
| 2058 | (see list below). Most of them are parameters concerning data |
---|
| 2059 | output (do). The former denotations "plot" and "pl" have been changed |
---|
| 2060 | to "data_output" and "do", respectively. In addition to these changes, |
---|
| 2061 | the names of many internal PALM parameters and variables have also |
---|
[62] | 2062 | changed.<br><br>Restart runs now require setting of the |
---|
| 2063 | initialization-parameter <span style="font-family: monospace;">initializing_actions</span> |
---|
| 2064 | = <span style="font-style: italic;">'read_restart_data'</span>.<br> |
---|
| 2065 | <br> |
---|
[5] | 2066 | Concerning particles, the parameters <span style="font-family: monospace;">psl</span>, <span style="font-family: monospace;">psr</span>, <span style="font-family: monospace;">pdx</span>, |
---|
| 2067 | etc., which are controlling the position of the particle source and the |
---|
| 2068 | number of particles within this source, are now 1d-arrays. This allows |
---|
| 2069 | to define different particle sources for different particle groups.<br> |
---|
[62] | 2070 | <br> |
---|
| 2071 | The number of particle groups has to be set by the user (no automatic |
---|
| 2072 | calculation from the value of parameter <span style="font-family: monospace;">density_ratio</span> |
---|
| 2073 | any more)<span style="font-style: italic;"></span>. |
---|
| 2074 | Variable <span style="font-family: monospace;">idum</span> |
---|
| 2075 | in type <span style="font-family: monospace;">particle_type</span> |
---|
| 2076 | has been renamed <span style="font-family: monospace;">tail_id</span>.<br><br>Output |
---|
| 2077 | for units 15 and 17 flushed in <span style="font-family: monospace;">init_1d_model</span>.<br><br>List |
---|
| 2078 | of changed parameter names:<br><table style="text-align: left; width: 559px; height: 831px;" border="1" cellpadding="2" cellspacing="2"><tbody><tr><td style="font-weight: bold;" align="undefined" valign="undefined">Old name</td><td align="undefined" valign="undefined"><span style="font-weight: bold;">New name</span></td><td align="undefined" valign="undefined"><span style="font-weight: bold;">Comments</span></td></tr><tr><td align="undefined" valign="undefined">average_period_pl1d</td><td align="undefined" valign="undefined">averaging_interval_pr</td><td align="undefined" valign="undefined"><br> |
---|
| 2079 | </td></tr><tr><td style="vertical-align: top;">average_period_pr1d</td><td style="vertical-align: top;">---</td><td style="vertical-align: top;">averaging of printed profiles |
---|
| 2080 | is not possible any more</td></tr><tr><td align="undefined" valign="undefined">average_period_sp</td><td align="undefined" valign="undefined">averaging_interval_sp</td><td align="undefined" valign="undefined"><br> |
---|
[5] | 2081 | </td></tr><tr><td align="undefined" valign="undefined">dt_average</td><td align="undefined" valign="undefined">dt_averaging_input_pr</td><td align="undefined" valign="undefined"><br> |
---|
| 2082 | </td></tr><tr><td align="undefined" valign="undefined">dt_pl1d</td><td align="undefined" valign="undefined">dt_dopr</td><td align="undefined" valign="undefined"><br> |
---|
| 2083 | </td></tr><tr><td align="undefined" valign="undefined">dt_plsp</td><td align="undefined" valign="undefined">dt_dosp</td><td align="undefined" valign="undefined"><br> |
---|
| 2084 | </td></tr><tr><td>dt_plts</td><td>dt_dots</td><td></td></tr><tr><td align="undefined" valign="undefined">dt_pr1d</td><td align="undefined" valign="undefined">dt_dopr_listing</td><td align="undefined" valign="undefined"><br> |
---|
| 2085 | </td></tr><tr><td align="undefined" valign="undefined">dt_pl2d_xy</td><td align="undefined" valign="undefined">dt_do2d_xy</td><td align="undefined" valign="undefined"><br> |
---|
| 2086 | </td></tr><tr><td align="undefined" valign="undefined">dt_pl2d_xz</td><td align="undefined" valign="undefined">dt_do2d_xz</td><td align="undefined" valign="undefined"><br> |
---|
| 2087 | </td></tr><tr><td align="undefined" valign="undefined">dt_pl2d_yz</td><td align="undefined" valign="undefined">dt_do2d_yz</td><td align="undefined" valign="undefined"><br> |
---|
| 2088 | </td></tr><tr><td align="undefined" valign="undefined">ebene_xy</td><td align="undefined" valign="undefined">section_xy</td><td align="undefined" valign="undefined"><br> |
---|
| 2089 | </td></tr><tr><td align="undefined" valign="undefined">ebene_xz</td><td align="undefined" valign="undefined">section_xz</td><td align="undefined" valign="undefined"><br> |
---|
| 2090 | </td></tr><tr><td align="undefined" valign="undefined">ebene_yz</td><td align="undefined" valign="undefined">section_yz</td><td align="undefined" valign="undefined"><br> |
---|
| 2091 | </td></tr><tr><td align="undefined" valign="undefined">nz_plot3d</td><td align="undefined" valign="undefined">nz_do3d</td><td align="undefined" valign="undefined"><br> |
---|
| 2092 | </td></tr><tr><td align="undefined" valign="undefined">plts</td><td align="undefined" valign="undefined">data_output_ts</td><td align="undefined" valign="undefined"><br> |
---|
| 2093 | </td></tr><tr><td align="undefined" valign="undefined">pl1d</td><td align="undefined" valign="undefined">data_output_pr</td><td align="undefined" valign="undefined"><br> |
---|
[62] | 2094 | </td></tr><tr><td style="vertical-align: top;">pl2d</td><td style="vertical-align: top;">data_output</td><td style="vertical-align: top;">old parameters pl2d and pl3d |
---|
| 2095 | are joined to new parameter data_output</td></tr><tr><td align="undefined" valign="undefined">pl3d</td><td align="undefined" valign="undefined">data_output</td><td align="undefined" valign="undefined"><br> |
---|
[5] | 2096 | </td></tr><tr><td align="undefined" valign="undefined">pl2d_at_begin</td><td align="undefined" valign="undefined">do2d_at_begin</td><td align="undefined" valign="undefined"><br> |
---|
| 2097 | </td></tr><tr><td align="undefined" valign="undefined">pl3d_at_begin</td><td align="undefined" valign="undefined">do3d_at_begin</td><td align="undefined" valign="undefined"><br> |
---|
| 2098 | </td></tr><tr><td align="undefined" valign="undefined">pl3d_compress</td><td align="undefined" valign="undefined">do3d_compress</td><td align="undefined" valign="undefined"><br> |
---|
| 2099 | </td></tr><tr><td align="undefined" valign="undefined">pl3d_precision</td><td align="undefined" valign="undefined">do3d_comp_prec</td><td align="undefined" valign="undefined"><br> |
---|
| 2100 | </td></tr><tr><td>pl_spectra</td><td>data_output_sp</td><td></td></tr><tr><td align="undefined" valign="undefined">read_fields_from_prior_run</td><td align="undefined" valign="undefined">read_restart_data</td><td align="undefined" valign="undefined"><br> |
---|
| 2101 | </td></tr><tr><td align="undefined" valign="undefined">write_plot2d_on_each_pe</td><td align="undefined" valign="undefined">data_output_2d_on_each_pe</td><td align="undefined" valign="undefined"><br> |
---|
| 2102 | </td></tr><tr><td align="undefined" valign="undefined">z_max_pl1d</td><td align="undefined" valign="undefined">z_max_do1d</td><td align="undefined" valign="undefined"><br> |
---|
| 2103 | </td></tr><tr><td align="undefined" valign="undefined">z_max_pl2d</td><td align="undefined" valign="undefined">z_max_do2d</td><td align="undefined" valign="undefined"><br> |
---|
| 2104 | </td></tr></tbody></table></td><td style="vertical-align: top;">advec_particles, |
---|
| 2105 | advec_s_bc, check_parameters, check_open, close_file, |
---|
| 2106 | data_output_dvrp, data_output_profiles, data_output_tseries, |
---|
| 2107 | data_output_2d, data_output_3d, flow_statistics, header, init_1d_model, |
---|
| 2108 | init_3d_model, init_dvrp, init_particles, init_pegrid, init_slope, |
---|
| 2109 | modules, netcdf, package_parin, palm, parin, print_1d, read_var_list, |
---|
| 2110 | run_control, time_integration, timestep, write_compressed, |
---|
| 2111 | write_var_list<br> |
---|
[62] | 2112 | </td></tr><tr><td> </td><td> </td><td> </td><td style="vertical-align: top;">E</td><td>Error in |
---|
| 2113 | the particle release (defaults of <span style="font-family: monospace;">psl</span>, <span style="font-family: monospace;">psr</span>, <span style="font-family: monospace;">psn</span>, <span style="font-family: monospace;">pss</span>) at the PE |
---|
| 2114 | boundary has been fixed.<br> <br> |
---|
| 2115 | Error removed getting the variable ids for <span style="font-family: monospace;">_ext</span> for |
---|
| 2116 | profiles and time series.<br><br>NetCDF calls in <span style="font-family: monospace;">data_output_tseries</span> |
---|
| 2117 | only if NetCDF output is switched on.<br><br>Output of the |
---|
| 2118 | initial geostrophic wind profile corrected.<br><br>Maximum |
---|
| 2119 | possibel timestep for Runge-Kutta-schemes reduced, error concerning |
---|
| 2120 | initialization of <span style="font-family: monospace;">l_black</span> |
---|
| 2121 | removed (both in <span style="font-family: monospace;">init_1d_model</span>).<br> |
---|
| 2122 | </td><td style="vertical-align: top;">advec_particles, |
---|
| 2123 | data_output_tseries, header, init_particles, init_1d_model, netcdf<br> |
---|
| 2124 | </td></tr><tr><td align="left" valign="top">26/04/06</td><td align="left" valign="top">SR</td><td align="left" valign="top">3.0a</td><td align="left" valign="top">N</td><td align="left" valign="top">OpenMP parallelization for |
---|
| 2125 | the cache-optimized PALM code.<br><br>OpenMP |
---|
[5] | 2126 | directives have been added where necessary. Still further tuning will |
---|
| 2127 | be necessary to get optimum performance. Other parts of the code than |
---|
[62] | 2128 | the cache-optimized code still need to be (OpenMP-) parallelized. <br><br>So |
---|
| 2129 | far, threads are activated by setting the <span style="font-weight: bold;">mrun</span>-options <span style="font-family: monospace;">-T</span> <span style="font-style: italic;"><number_of_threads></span> |
---|
| 2130 | and <span style="font-family: monospace;">-O</span>, |
---|
| 2131 | i.e. when the Option <span style="font-family: monospace;">-O</span> |
---|
| 2132 | is given, the <span style="font-family: monospace;">-T</span> |
---|
| 2133 | argument is interpreted as the number of threads to be used. When <span style="font-family: monospace;">-O</span> is given, |
---|
| 2134 | the number of MPI tasks per node is automatically set to <span style="font-style: italic;">1</span>.<br><br>Beside |
---|
[5] | 2135 | the additional compiler directives, the main code change required by |
---|
| 2136 | the OpenMP parallelization is that global sums are now calculated by |
---|
| 2137 | first calculating local sums on each thread. As the next step, local |
---|
| 2138 | sums are calculated from these thread sums for each MPI task before the |
---|
[62] | 2139 | global sum is computed via MPI_ALLREDUCE. For storing the |
---|
| 2140 | thread |
---|
[5] | 2141 | sums, arrays sums_l and sums_l_l now have three dimensions where the |
---|
| 2142 | number of elements of the third dimension is equal to the number of |
---|
| 2143 | OpenMP threads.</td><td align="left" valign="top">buoyancy, |
---|
| 2144 | cpu_statistics, diffusivities, flow_statistics, header, init_pegrid, |
---|
| 2145 | init_3d_model, modules, prandtl_fluxes, pres, production_e</td></tr><tr><td align="left" valign="top"> </td><td align="left" valign="top">ML</td><td align="left" valign="top"> </td><td align="left" valign="top">C</td><td align="left" valign="top">Provisional |
---|
[62] | 2146 | correction for Piacsek & Williams advection scheme: keep u and |
---|
| 2147 | v |
---|
| 2148 | zero one layer below the topography (in case of set_1d-model_profiles).</td><td align="left" valign="top">init_3d_model</td></tr><tr><td align="left" valign="top"> </td><td align="left" valign="top">SR/ML</td><td align="left" valign="top"> </td><td align="left" valign="top">E</td><td align="left" valign="top">In <span style="font-family: monospace;">flow_statistics.f90</span> |
---|
| 2149 | nzb_s_inner(j,i) replaced by nzb in determination of z_i.<br><br>Errors |
---|
| 2150 | removed in the computation of the diabatic mixing length (<span style="font-family: monospace;">init_1d_model.f90</span>).<br><br>Error |
---|
| 2151 | removed in extend mode when checking whether the selected cross |
---|
| 2152 | sections match those in the already existing NetCDF file (<span style="font-family: monospace;">netcdf.f90</span>).</td><td align="left" valign="top">flow_statistics, |
---|
| 2153 | init_1d_model, netcdf</td></tr><tr><td align="left" valign="top">02/06/06</td><td align="left" valign="top">SR</td><td align="left" valign="top">3.0b</td><td align="left" valign="top">N</td><td align="left" valign="top">This version is adapted to the Sun Fire X4600 |
---|
| 2154 | system at TIT (to be used by setting the <span style="font-weight: bold;">mrun</span> option <span style="font-family: monospace;">-h lctit</span>).</td><td align="left" valign="top">cpu_log, init_1d_model, |
---|
| 2155 | local_tremain, locaö_tremain_ini, run_control</td></tr><tr><td align="left" valign="top"> </td><td align="left" valign="top"> </td><td align="left" valign="top"> </td><td align="left" valign="top">C</td><td align="left" valign="top">NetCDF 2d- |
---|
[5] | 2156 | and 3d-datasets now contain the exact coordinates of the variables |
---|
| 2157 | along x and y with respect to the positions where they are defined on |
---|
[62] | 2158 | the staggered grid.<br><br>NetCDF datasets of cross |
---|
| 2159 | sections (e.g. <span style="font-family: monospace;">DATA_2D_XY_NETCDF</span>) |
---|
| 2160 | are only opened if the respective cross sections are really requested |
---|
| 2161 | by the settings of parameter <span style="font-family: monospace;">data_output</span>.</td><td align="left" valign="top">check_parameters, |
---|
| 2162 | data_output_2d, data_output_3d, modules, netcdf, user_interface</td></tr><tr><td align="left" valign="top"> </td><td align="left" valign="top"> </td><td align="left" valign="top"> </td><td align="left" valign="top">E</td><td align="left" valign="top">p is assigned to <span style="font-family: monospace;">to_be_resorted</span> |
---|
| 2163 | instead of w</td><td align="left" valign="top">data_output_2d</td></tr><tr><td align="left" valign="top">04/08/06</td><td align="left" valign="top">SR</td><td align="left" valign="top">3.1</td><td align="left" valign="top">N</td><td align="left" valign="top">Subgrid |
---|
[5] | 2164 | scale velocities can (optionally) be included for calculating the |
---|
| 2165 | particle advection, using the method of Weil et al. (2004, JAS, 61, |
---|
| 2166 | 2877-2887). This method is switched on by the new particle package |
---|
[62] | 2167 | parameter <span style="font-family: monospace;">use_sgs_for_particles</span>. |
---|
| 2168 | This also forces the Euler/upstream method to be used for time |
---|
| 2169 | advancement of the TKE (see new parameter <span style="font-family: monospace;">use_upstream_for_tke</span>). |
---|
| 2170 | The minimum timestep during the sub-timesteps is controlled by |
---|
| 2171 | parameter <span style="font-family: monospace;">dt_min_part</span>. |
---|
| 2172 | The data type <span style="font-family: monospace;">particle_type</span> |
---|
| 2173 | has additional new attributes <span style="font-family: monospace;">e_m</span>, |
---|
| 2174 | <span style="font-family: monospace;">dt_sum</span>, |
---|
| 2175 | and <span style="font-family: monospace;">speed_x/y/z_sgs</span>.<br><br>Other |
---|
| 2176 | new particle features: output of particle quantities as timeseries in |
---|
| 2177 | NetCDF format (on local file <span style="font-family: monospace;">DATA_1D_PTS_NETCDF</span>). |
---|
| 2178 | The output time interval is controlled by parameter <span style="font-family: monospace;">dt_dopts</span>. |
---|
| 2179 | Particle advection can be switched off after some time using parameter <span style="font-family: monospace;">end_time_prel</span>. |
---|
| 2180 | More than one particle per point can be started with parameter <span style="font-family: monospace;">particles_per_point</span>.<br><br>Additional |
---|
| 2181 | parameter in function <span style="font-family: monospace;">random_gauss</span> |
---|
| 2182 | which limits the range of the created random numbers to five times the |
---|
| 2183 | standard deviation (=1). Seeds <span style="font-family: monospace;">iran</span> |
---|
| 2184 | and <span style="font-family: monospace;">iran_part</span> |
---|
| 2185 | are stored for restart runs.</td><td align="left" valign="top">advec_particles, |
---|
[5] | 2186 | check_open, check_parameters, close_file, diffusion_e, |
---|
| 2187 | disturb_heatflux, header, init_3d_model, init_particles, modules, |
---|
| 2188 | netcdf, package_parin, parin, prognostic_equations, random_gauss, |
---|
| 2189 | read_3d_binary, read_var_list, time_integration, write_3d_binary, |
---|
[62] | 2190 | write_var_list<br><br><span style="font-weight: bold;">new:</span><br>data_output_ptseries</td></tr><tr><td align="left" valign="top"> </td><td align="left" valign="top"> </td><td align="left" valign="top"> </td><td align="left" valign="top">C</td><td align="left" valign="top">Call of subroutine <span style="font-family: monospace;">header</span> is moved |
---|
| 2191 | after call of subroutine <span style="font-family: monospace;">init_3d_model</span>. |
---|
| 2192 | Generation of <span style="font-family: monospace;">run_description_header</span> |
---|
| 2193 | is moved from routines <span style="font-family: monospace;">palm</span> |
---|
| 2194 | and <span style="font-family: monospace;">header</span> |
---|
| 2195 | to <span style="font-family: monospace;">check_parameters</span>. |
---|
| 2196 | Determination of the number of particle groups is moved from <span style="font-family: monospace;">header</span> to <span style="font-family: monospace;">init_particles</span>.<br><br><span style="font-family: monospace;">izuf</span> renamed <span style="font-family: monospace;">iran</span>.</td><td align="left" valign="top">check_parameters, |
---|
| 2197 | disturb_field, disturb_heatflux, header, init_particles, modules, palm</td></tr><tr><td align="left" valign="top"> </td><td align="left" valign="top"> </td><td align="left" valign="top"> </td><td align="left" valign="top">E</td><td align="left" valign="top">Variables |
---|
[5] | 2198 | do2d_unit and do3d_unit now defined as 2d-arrays. Before, in some |
---|
| 2199 | cases, the units of variables in the 2d- and 3d-NetCDF-files have been |
---|
[62] | 2200 | wrong.<br><br>In routine <span style="font-family: monospace;">poisfft</span> default |
---|
| 2201 | setting of the thread number tn in case of not using OpenMP.<br><br>Error |
---|
| 2202 | removed in the non-parallel part of routine <span style="font-family: monospace;">flow_statistics</span> |
---|
| 2203 | (number of arguments of array <span style="font-family: monospace;">sums_l</span>).<br><br>Error |
---|
| 2204 | removed which appeared if the user had decreased the value of <span style="font-family: monospace;">dt_dopr</span> within |
---|
| 2205 | a job chain and if simulataneous time averaging of profiles was |
---|
| 2206 | switched on.</td><td align="left" valign="top">check_parameters, |
---|
| 2207 | data_output_profiles, flow_statistics, modules, netcdf, poisfft</td></tr><tr><td style="vertical-align: top;">22/08/06</td><td style="vertical-align: top;">SR</td><td style="vertical-align: top;">3.1a</td><td style="vertical-align: top;">N</td><td style="vertical-align: top;">In case of more than one |
---|
| 2208 | particle group, seperate output of timeseries for each of the groups.<br><br>New |
---|
| 2209 | initial parameter <span style="font-family: monospace;">dz_max</span>, |
---|
| 2210 | which limits the vertical gridspacing in case of a vertically stretched |
---|
| 2211 | grid.</td><td style="vertical-align: top;">data_output_ptseries, |
---|
| 2212 | header, init_grid, modules, netcdf, parin, read_var_list, write_var_list</td></tr><tr><td style="vertical-align: top;"> </td><td style="vertical-align: top;"> </td><td style="vertical-align: top;"> </td><td style="vertical-align: top;">C</td><td style="vertical-align: top;">Disturbances are imposed only |
---|
| 2213 | for the last Runge-Kutta-substep. <br><span style="font-weight: bold;">Attention:</span> <br> |
---|
[5] | 2214 | The content of the testresult-file (run control output) has changed |
---|
[62] | 2215 | due to this modification.<br><br>Output of xz and yz cross |
---|
| 2216 | sections now up to gridpoint nzt+1.<br><br>Default settings |
---|
| 2217 | of particle start positions changed.</td><td style="vertical-align: top;">check_open, close_file, |
---|
| 2218 | data_output_2d, init_particles, netcdf, time_integration</td></tr><tr><td style="vertical-align: top;"> </td><td style="vertical-align: top;"> </td><td style="vertical-align: top;"> </td><td style="vertical-align: top;">E</td><td style="vertical-align: top;">Initialisation of all tendency |
---|
| 2219 | arrays (t.._m) needed for the Runge-Kutta schemes.<br><br>Bugfix |
---|
| 2220 | in index array initialization for line- or point-like topography |
---|
| 2221 | structures.<br><br>Bugfix: yv coordinates are now used for |
---|
| 2222 | yz cross sections, where neccessary.</td><td style="vertical-align: top;">init_3d_model, init_grid, netcdf</td></tr><tr><td style="vertical-align: top;">12/02/07</td><td style="vertical-align: top;">SR</td><td style="vertical-align: top;">3.1b</td><td style="vertical-align: top;"> N</td><td style="vertical-align: top;"><span style="font-weight: bold;">Attention:</span><br>This |
---|
| 2223 | is the last revision before switching to the subversion revison control |
---|
| 2224 | system!<br><br>Informative output to the job protocoll in |
---|
| 2225 | case of restarts.</td><td style="vertical-align: top;">check_for_restart</td></tr><tr><td> </td><td> </td><td> </td><td style="vertical-align: top;">C</td><td style="vertical-align: top;">Values of environment variables |
---|
| 2226 | are now read from local file <span style="font-family: monospace;">ENVPAR</span> |
---|
| 2227 | instead of getting them by a system call.<br><br>For |
---|
| 2228 | interpolation in <span style="font-family: monospace;">advec_particles</span>, |
---|
| 2229 | allways level k is used.</td><td style="vertical-align: top;">advec_particles, |
---|
| 2230 | local_tremain_ini, parin</td></tr><tr><td> </td><td> </td><td> </td><td style="vertical-align: top;">E</td><td style="vertical-align: top;">Several bugfixes in <span style="font-family: monospace;">advec_particles</span>: |
---|
| 2231 | new particles are released only if <span style="font-family: monospace;">end_time_prel</span> |
---|
| 2232 | > <span style="font-family: monospace;">simulated_time</span>, transfer |
---|
[5] | 2233 | of particles when x < -0.5*dx (0.0 before), etc., index i,j used |
---|
| 2234 | instead of cartesian (x,y) coordinate to check for transfer because |
---|
| 2235 | this failed under very rare conditions, calculation of number of |
---|
[62] | 2236 | particles with same radius as the current particle (cloud droplet code).<br><br>Allocation |
---|
| 2237 | of <span style="font-family: monospace;">tail_mask</span> |
---|
| 2238 | and <span style="font-family: monospace;">new_tail_id</span> |
---|
| 2239 | in case of restart-runs. "__" added in a cpp-directive. (both <span style="font-family: monospace;">init_particles</span>)</td><td style="vertical-align: top;">advec_particles, init_particles</td></tr><tr><td style="vertical-align: top;">02/03/07</td><td style="vertical-align: top;">SR</td><td style="vertical-align: top;">3.1c</td><td style="vertical-align: top;">N</td><td style="vertical-align: top;">A heatflux can be prescribed at |
---|
| 2240 | the top with new inipar parameters <span style="font-family: monospace;">top_heatflux</span> |
---|
| 2241 | and <span style="font-family: monospace;">use_top_fluxes</span>. |
---|
| 2242 | New 2d-arrays <span style="font-family: monospace;">qswst</span>, |
---|
| 2243 | <span style="font-family: monospace;">qswst_m</span>, |
---|
| 2244 | <span style="font-family: monospace;">tswst</span> |
---|
| 2245 | and <span style="font-family: monospace;">tswst_m</span> |
---|
| 2246 | are used to store this flux. Use of fluxes are controlled with new |
---|
| 2247 | index variable <span style="font-family: monospace;">nzt_diff</span>. |
---|
| 2248 | A Neumann boundary condition for temperature can be applied under these |
---|
| 2249 | conditions.<br><br>Additionally, a Dirichlet condition for |
---|
| 2250 | temperature can be used at the top.<br><br><span style="font-weight: bold;">Attention:</span> <br> |
---|
[45] | 2251 | The content of the testresult-file (run control output) has changed |
---|
| 2252 | due to this modification.</td><td style="vertical-align: top;">check_parameters, |
---|
[40] | 2253 | diffusion_s, flow_statistics, header, init_grid, init_3d_model, |
---|
| 2254 | modules, parin, production_e, prognostic_equations, read_var_list, |
---|
[62] | 2255 | read_3d_binary, swap_timelevel, write_var_list, write_3d_binary</td></tr><tr><td> </td><td> </td><td> </td><td style="vertical-align: top;">C</td><td style="vertical-align: top;">Prognostic equations for all |
---|
| 2256 | scalars are now solved up to gridpoint <span style="font-family: monospace;">nzt</span> (formerly <span style="font-family: monospace;">nzt-1</span>). |
---|
| 2257 | Boundary conditions for scalars at top adjusted respectively (now |
---|
| 2258 | applied only at <span style="font-family: monospace;">nzt+1</span>).<br><br>The |
---|
| 2259 | default top boundary condition for temperature has been renamed to <span style="font-style: italic;">'initial_gradient'</span>.<br><br>Calls |
---|
| 2260 | of <span style="font-family: monospace;">dvrp_output_local</span>, |
---|
| 2261 | which were commented out for a long time, are now activated for all |
---|
| 2262 | streams.</td><td style="vertical-align: top;">advec_s_pw, |
---|
[40] | 2263 | boundary_conds, calc_precipitation, check_parameters, diffusion_e, |
---|
| 2264 | diffusion_s, impact_of_latent_heat, init_dvrp, init_pt_anomaly, |
---|
[62] | 2265 | modules, production_e, prognostic_equations, spline_z</td></tr><tr><td> </td><td> </td><td> </td><td style="vertical-align: top;">E</td><td style="vertical-align: top;">Bugfix: 3d-array <span style="font-family: monospace;">p</span> is not a |
---|
| 2266 | pointer any more.<br><br>Bugfix in <span style="font-family: monospace;">init_particles</span>: |
---|
| 2267 | <span style="font-family: monospace;">MPI_REAL</span> |
---|
| 2268 | argument in <span style="font-family: monospace;">MPI_ALLREDUCE</span> |
---|
| 2269 | replaced by<br><span style="font-family: monospace;">MPI_INTEGER</span> |
---|
| 2270 | (caused error on NEC only).<br><br>Bugfix: <span style="font-family: monospace;">ddzw</span> now |
---|
| 2271 | dimensioned <span style="font-family: monospace;">1:nzt"+1".</span></td><td style="vertical-align: top;">diffusion_e, diffusion_s, |
---|
| 2272 | diffusion_u, diffusion_v, diffusion_w, init_particles, modules</td></tr> |
---|
| 2273 | </tbody> |
---|
| 2274 | </table> <b><blink>Attention:</blink></b> |
---|
| 2275 | If<tt> make </tt>is not used |
---|
[5] | 2276 | for |
---|
| 2277 | compiling, |
---|
[62] | 2278 | <b>all routines</b> have to be re-compiled after every |
---|
| 2279 | change |
---|
[5] | 2280 | to <b>modules.f90!</b> |
---|
[62] | 2281 | <br> |
---|
| 2282 | <br> |
---|
| 2283 | <h2><a name="Kapitel2.0"></a>2.0 How |
---|
| 2284 | to change the model source |
---|
[5] | 2285 | code</h2> |
---|
| 2286 | Änderungen, Erweiterungen oder Fehlerkorrekturen am Modellcode |
---|
| 2287 | (gemeint |
---|
| 2288 | sind alle Modellteile, die nicht zur benutzereigenen Software |
---|
| 2289 | gehören) |
---|
[62] | 2290 | erfordern vom jeweiligen Benutzer Gruppenzugehörigkeit zur |
---|
| 2291 | Gruppe |
---|
[5] | 2292 | <tt>"palm"</tt>. |
---|
| 2293 | Zu dieser Gruppe gehören alle Benutzer, die aktiv an der |
---|
| 2294 | Modellentwicklung |
---|
| 2295 | mitwirken (im weiteren "Modellarbeitsgruppe" genannt). |
---|
[62] | 2296 | <p>Die einzelnen Quelltextdateien des Modells werden mit RCS |
---|
| 2297 | (Revision |
---|
[5] | 2298 | Control System) verwaltet. Grundlegende Kenntnisse über dieses |
---|
| 2299 | System |
---|
| 2300 | werden im weiteren vorausgesetzt. |
---|
[62] | 2301 | </p><p>Änderungen am Modellcode erfordern die |
---|
| 2302 | Durchführung |
---|
[5] | 2303 | bestimmter |
---|
| 2304 | Aktionen in einer festgelegten Reihenfolge, die nun beschrieben werden |
---|
| 2305 | sollen. |
---|
[62] | 2306 | </p><ol> <li>Konzeptplanung.</li> <li>Diskussion |
---|
| 2307 | der geplanten Änderungen in der |
---|
| 2308 | Modellarbeitsgruppe.</li> <li>Auschecken der |
---|
| 2309 | benötigten Quelltextdateien, |
---|
[5] | 2310 | Durchführung der |
---|
| 2311 | Änderungen und Test des Modells. Die Modul-Datei <tt>modules.f90</tt> |
---|
| 2312 | sollte nur dann ausgecheckt werden, wenn dort aufgeführte |
---|
| 2313 | Variablen |
---|
[62] | 2314 | verändert werden. Neu geschaffene Variablen sollten |
---|
| 2315 | während |
---|
[5] | 2316 | der |
---|
| 2317 | Testphase in ein ebenfalls temporär neu zu schaffendes Modul |
---|
| 2318 | geschrieben |
---|
| 2319 | werden, das von den jeweiligen Programmteilen benutzt werden muss |
---|
| 2320 | (Einfügen |
---|
| 2321 | entsprechender USE-Anweisungen). Die in den einzelnen Dateien |
---|
| 2322 | durchgeführten |
---|
[62] | 2323 | Arbeiten müssen in den Kopfzeilen (unter "Aktuelle |
---|
| 2324 | Aenderungen") |
---|
[5] | 2325 | der |
---|
[62] | 2326 | Dateien vermerkt werden. Dies tut man am besten noch <b>bevor</b> |
---|
| 2327 | man |
---|
[5] | 2328 | die |
---|
| 2329 | eigentlichen Änderungen durchführt (sonst droht das |
---|
[62] | 2330 | Vergessen...).</li> <li>Zum Abschluß der Tests |
---|
| 2331 | sollte mit dem Modell eine |
---|
[5] | 2332 | Kontrollrechnung |
---|
| 2333 | durchgeführt und die Ergebnisse mit denen des sogenannten |
---|
| 2334 | Standardlaufes |
---|
| 2335 | verglichen werden. Diese Rechnung ist mit der <a href="http://www.muk.uni-hannover.de/%7Eraasch/PALM_group/INSTALL/.mrun.config">Konfigurationsdatei</a> |
---|
| 2336 | und der <a href="http://www.muk.uni-hannover.de/%7Eraasch/PALM_group/INSTALL/example_p3d">Parameterdatei</a> |
---|
| 2337 | durchzuführen, die auch zum Testen der Modellinstallation |
---|
| 2338 | verwendet |
---|
[62] | 2339 | werden (s. <a href="Anwendung/Kapitel_5.0.html">Kapitel |
---|
| 2340 | 5.0</a> der |
---|
[5] | 2341 | Anwenderdokumentation). |
---|
| 2342 | Die Ergebnisdatei mit dem lokalen Namen <a href="http://www.muk.uni-hannover.de/%7Eraasch/PALM-1/Dokumentationen/Anwendung/Kapitel_3.4.html#RUN_CONTROL">RUN_CONTROL</a> |
---|
| 2343 | ist dann mit der <a href="http://www.muk.uni-hannover.de/%7Eraasch/PALM_group/INSTALL/example_rc">Beispiel-Ergebnisdatei</a> |
---|
| 2344 | zu vergleichen (Hinweis: Kopien der Konfigurationsdatei, Parameterdatei |
---|
| 2345 | und Beispiel-Ergebnisdatei erhält man durch anklicken der |
---|
| 2346 | entsprechenden |
---|
| 2347 | Links mit der linken Maustaste bei gleichzeitig gedrückter |
---|
| 2348 | <SHIFT>-Taste). |
---|
| 2349 | Werden Abweichungen zwischen den beiden Ergebnisdateien festgestellt, |
---|
| 2350 | so |
---|
| 2351 | ist unbedingt eine Diskussion in der Modellarbeitsgruppe notwendig.</li> |
---|
[62] | 2352 | <li>Nach Durchführung der Tests müssen bei |
---|
| 2353 | Bedarf die |
---|
[5] | 2354 | vorläufig |
---|
[62] | 2355 | im temporären Modul eingetragenen Variablen in die |
---|
| 2356 | eigentlichen |
---|
[5] | 2357 | Module |
---|
| 2358 | des Modells übertragen werden. Dazu ist die Modul-Datei <tt>modules.f90</tt> |
---|
| 2359 | auszuchecken. Nach Eintrag der Variablen sollte das Modell noch einmal |
---|
[62] | 2360 | testweise übersetzt werden, um Sytaxfehler |
---|
| 2361 | auszuschließen |
---|
[5] | 2362 | (evtl. |
---|
| 2363 | auch noch einmal einen Probelauf starten). Die Verwendung des |
---|
| 2364 | temporären |
---|
| 2365 | Moduls ist aus allen entsprechenden Programmteilen zu entfernen.</li> |
---|
[62] | 2366 | <li>Vergabe einer neuen Versionsnummer (Variable <tt>version</tt> |
---|
| 2367 | im |
---|
[5] | 2368 | Modul <tt>steuer</tt>), |
---|
[62] | 2369 | Bsp.: 2.3c. Kleinere Änderungen werden durch |
---|
| 2370 | angehängten |
---|
[5] | 2371 | kleinen |
---|
[62] | 2372 | Buchstaben kenntlich gemacht, größere |
---|
| 2373 | Änderungen durch |
---|
[5] | 2374 | die Zahl hinter dem Punkt. Eine Inkrementierung der Zahl vor dem Punkt |
---|
[62] | 2375 | geschieht nur bei ganz grundsätzlichen Revisionen des Modells, |
---|
| 2376 | die |
---|
| 2377 | weite Teile des Modellcodes betreffen.</li> <li>Nun |
---|
| 2378 | können die ausgecheckten Dateien wieder eingecheckt |
---|
[5] | 2379 | werden. |
---|
| 2380 | Vor |
---|
| 2381 | dem Einchecken sind in den Dateien die Vermerke unter "Aktuelle |
---|
| 2382 | Aenderungen" |
---|
| 2383 | zu entfernen und beim check-in - Kommando als Log-Text anzugeben. Sie |
---|
| 2384 | erscheinen |
---|
| 2385 | dann in der jeweiligen Datei unter "Fruehere Aenderungen" zusammen mit |
---|
| 2386 | der vom RCS-System vergebenen Versionsnummer (dafür sorgt die |
---|
| 2387 | $Log: |
---|
[62] | 2388 | ... $ - Zeile, die in jeder Quelltextdatei steht).</li> <li>Eine |
---|
| 2389 | Zusammenfassung der durchgeführten Arbeiten ist im <a href="#Kapitel1.0">Kapitel |
---|
| 2390 | 1.0</a> einzutragen.</li> <li>Die |
---|
| 2391 | Modellarbeitsgruppe ist über den Abschluß der |
---|
[5] | 2392 | durchgeführten |
---|
| 2393 | Arbeiten zu informieren.</li> |
---|
[62] | 2394 | </ol><h2> |
---|
| 2395 | <a name="Kapitel3.0"></a>3.0 Description |
---|
| 2396 | of selected parts of the |
---|
[5] | 2397 | model source code</h2> |
---|
| 2398 | <b>This chapter is still under construction (Feb. 04).</b> |
---|
[62] | 2399 | <p>Dieser Abschnitt verweist auf vorhandene Beschreibungen der |
---|
| 2400 | genauen |
---|
| 2401 | Funktionsweise einzelner, spezieller Modellteile. Dazu gehört |
---|
| 2402 | z.B. |
---|
[5] | 2403 | die Beschreibung bestimmter numerischer Verfahren (auch ihr |
---|
| 2404 | theoretischer |
---|
| 2405 | Hintergrund), die Erklärung besonderer Prinzipien bei der |
---|
| 2406 | Parallelisierung |
---|
| 2407 | oder Erläuterungen zur Vorgehensweise bei der Lösung |
---|
| 2408 | bestimmter |
---|
| 2409 | Aufgaben (z.B. der Berechnung horizontal gemittelter |
---|
| 2410 | Größen). |
---|
[62] | 2411 | <br>Die Beschreibungen liegen in jeweils getrennten Dokumenten, |
---|
| 2412 | in der |
---|
[5] | 2413 | Regel als TeX- und/oder Postscript-Datei vor und sind über die |
---|
| 2414 | folgenden |
---|
| 2415 | Links zugänglich. |
---|
[62] | 2416 | <br> |
---|
| 2417 | </p><ul> <li> <a name="UPS"></a>upstream-spline |
---|
| 2418 | advection scheme ( <a href="Upstream_Spline/ups.ps">.ps</a> |
---|
| 2419 | )</li> <li> <a name="Cloud_physics"></a>cloud |
---|
| 2420 | physics module ( <a href="Cloud_physics/wolken.pdf">.pdf</a> |
---|
| 2421 | )</li> <li> <a name="Bitkompression"></a>Datenkompression |
---|
| 2422 | mit dem Verfahren |
---|
[5] | 2423 | der <a href="Bitkompression/kompression.html">Bitverschiebung</a></li> |
---|
[62] | 2424 | <li> <a name="Runge-kutta"></a>Runge-Kutta |
---|
| 2425 | time integration scheme ( <a href="numerik.heiko/zeitschrittverfahren.pdf">.pdf</a> |
---|
[5] | 2426 | )</li> |
---|
[62] | 2427 | </ul><br> |
---|
[5] | 2428 | |
---|
[62] | 2429 | <br> |
---|
| 2430 | <br> |
---|
| 2431 | <br> |
---|
| 2432 | <br> |
---|
| 2433 | <br> |
---|
| 2434 | <br> |
---|
| 2435 | <br> |
---|
[5] | 2436 | </body></html> |
---|