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1<!DOCTYPE html PUBLIC "-//w3c//dtd html 4.0 transitional//en">
2<html><head>
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9<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 documentation</title></head><body><font size="+4">PALM&nbsp;&nbsp;
10</font>a
11<b>pa</b>rallelized
12<b>L</b>ES <b>m</b>odel
13<br><hr width="100%">
14<br><font size="+2">technical/numerical documentation</font>
15<br>&nbsp;
16<br>&nbsp;
17<br><table nosave="" cellpadding="0" cellspacing="0"> <caption>&nbsp; <br> </caption><tbody>
18</tbody><tbody> </tbody> <tbody> <tr nosave=""> <td nosave=""><b>Current fixed release:</b></td> <td><span style="font-weight: bold;">3.7a<br>
19</span></td> </tr>
20<tr nosave=""> <td nosave=""><b>Last
21change of this document</b>:&nbsp;</td> <td nosave=""><b>$Id: technical_documentation.html 486 2010-02-05 11:03:41Z maronga $</b></td> </tr>
22</tbody>
23</table><hr width="100%">
24<p><font size="+2">Table of contents</font>
25<br>&nbsp;
26<br>&nbsp;
27</p><ul> <a href="#Kapitel1.0">1.0</a>&nbsp;
28History of changes <p><a href="#Kapitel2.0">2.0</a>&nbsp;
29How to change the model source
30code </p> <p><a href="#Kapitel3.0">3.0</a>&nbsp;
31Description of selected model numerics<br>
32&nbsp;</p>
33</ul><b></b><br>
34
35<h2><a name="Kapitel1.0"></a>1.0&nbsp;
36History of changes</h2>
37The following table documents all changes to the PALM repository since 2009. Older changes can be found <a href="tec_doc_1998-2008.html">here</a>.<br>
38<br>
39Entries in the fifth column specify the type of the change:
40change&nbsp;
41of existing code (C), new code (N) or bugfix (B). More detailed
42information
43about the changes may sometimes be found in the header comment lines of the
44respective
45routines.
46<br>&nbsp;
47<br>
48<table style="text-align: left; width: 100%; vertical-align: top;" border="1" cellpadding="2" cellspacing="2">
49  <tbody>
50    <tr>
51      <td style="vertical-align: middle; width: 27px;"><big><span style="font-weight: bold;">date</span></big><br>
52      </td>
53      <td style="width: 38px;"><big><span style="font-weight: bold;">author</span></big><br>
54      </td>
55      <td style="width: 42px;"><big><span style="font-weight: bold;">svn revision</span></big><br>
56      </td>
57      <td style="width: 40px;"><big><span style="font-weight: bold;">latest release</span></big><br>
58      </td>
59      <td style="width: 27px;"><big><span style="font-weight: bold;">type</span></big><br>
60      </td>
61      <td style="width: 497px;"><big><span style="font-weight: bold;">description</span></big><br>
62      </td>
63      <td style="width: 189px;"><big><span style="font-weight: bold;">affected routines</span></big><br>
64      </td>
65    </tr>
66   
67   
68   
69   
70   
71   
72   
73   
74   
75   
76    <tr>
77      <td style="vertical-align: top;">05/02/10<br>
78      </td>
79      <td style="vertical-align: top;">SR<br>
80      </td>
81      <td style="vertical-align: top;">485<br>
82      </td>
83      <td style="vertical-align: top;"><br>
84      </td>
85      <td style="vertical-align: top;"><br>
86      </td>
87      <td style="vertical-align: top;"><span style="font-family: Courier New,Courier,monospace;">ngp_3d</span>, <span style="font-family: Courier New,Courier,monospace;">ngp_3d_inner</span>
88changed to 64 bit. Otherwise, on large grids &gt; 2*10**9 grid points
89some global statistics (e.g. total kinetic energy) have wrong values.<br>
90      </td>
91      <td style="vertical-align: top;">init_3d_model, modules<br>
92      </td>
93    </tr>
94    <tr>
95      <td style="vertical-align: top;">05/02/10<br>
96      </td>
97      <td style="vertical-align: top;">SR<br>
98      </td>
99      <td style="vertical-align: top;">484<br>
100      </td>
101      <td style="vertical-align: top;"><br>
102      </td>
103      <td style="vertical-align: top;">B<br>
104      </td>
105      <td style="vertical-align: top;">Typo in file headers removed ("current" instead of "actual").<br>
106      </td>
107      <td style="vertical-align: top;">many<br>
108      </td>
109    </tr>
110<tr>
111      <td style="vertical-align: top; width: 27px;">05/02/10<br>
112      </td>
113      <td style="vertical-align: top; width: 38px;">SR<br>
114      </td>
115      <td style="vertical-align: top; width: 42px;">483<br>
116      </td>
117      <td style="vertical-align: top; width: 40px;">3.7a<br>
118      </td>
119      <td style="vertical-align: top; width: 27px;">N<br>
120      </td>
121      <td style="vertical-align: top; width: 497px;"><span style="font-family: Courier New,Courier,monospace;">compare_palm_logs </span>is additionally compiled with <span style="font-weight: bold;">mbuild</span> <span style="font-family: Courier New,Courier,monospace;">-u</span> . (<span style="font-family: Courier New,Courier,monospace;">Makefile</span> in <span style="font-family: Courier New,Courier,monospace;">trunk/UTIL</span>)<br>
122      <br>
123make options (<span style="font-family: Courier New,Courier,monospace;">mopts</span>) to be set by configuration file implemented. (<span style="font-weight: bold;">mrun</span>, <span style="font-weight: bold;">mbuild</span>)<br>
124      <br>
125      <span style="font-family: Courier New,Courier,monospace;">humidity</span> = <span style="font-style: italic;">.T.</span> can be used for runs with topography. <span style="font-family: Courier New,Courier,monospace;">wall_humidityflux</span> and<br><span style="font-family: Courier New,Courier,monospace;">
126wall_scalarflux</span> are the corresponding new inipar parameters.<br>
127(<span style="font-family: Courier New,Courier,monospace;">check_parameters</span>, <span style="font-family: Courier New,Courier,monospace;">init_3d_model</span>, <span style="font-family: Courier New,Courier,monospace;">parin</span>)<br>
128      <br>
129Large scale vertical motion (subsidence/ascent) can be added as
130additional source to the prognostic equation for potential temperature.
131See new parameters <span style="font-family: Courier New,Courier,monospace;">large_scale_subsidence</span>, <span style="font-family: Courier New,Courier,monospace;">ws_vertical_gradient</span>, and <span style="font-family: Courier New,Courier,monospace;">ws_vertical_gradient_level</span>. (<span style="font-family: Courier New,Courier,monospace;">check_parameters</span>, <span style="font-family: Courier New,Courier,monospace;">header</span>, <span style="font-family: Courier New,Courier,monospace;">Makefile</span>, <span style="font-family: Courier New,Courier,monospace;">modules</span>, <span style="font-family: Courier New,Courier,monospace;">parin</span>, <span style="font-family: Courier New,Courier,monospace;">prognostic_equations</span>, <span style="font-family: Courier New,Courier,monospace;">read_var_list</span>, <span style="font-family: Courier New,Courier,monospace;">subsidence</span>, <span style="font-family: Courier New,Courier,monospace;">write_var_list</span>)<br>
132      <br>Scripts have been updated for Cray-XT5 machine (lcxt5m) and Hitachi-machine (lckyoto).<br>
133      <br>
134A simple method for installing and running palm (with limited features) has been added. (<span style="font-family: Courier New,Courier,monospace;">Makefile</span>, new scripts <span style="font-weight: bold;">palm_simple_install</span>, <span style="font-weight: bold;">palm_simple_run</span>)<br>
135      <br>
136Masked data output has been implemented but it is not documented in the
137user manual so far. This feature can already use NetCDF4 file format.
138(check_open, check_parameters, close_file, modules, netcdf, parin,
139time_integration, user_parin, new: data_output_mask, init_masks,
140user_data_output_mask)<br>
141      </td>
142      <td style="vertical-align: top; width: 189px;">check_open, check
143parameters, close_file, header, init_3d_model, Makefile, mbuild, modules, mrun,
144netcdf, parin, prognostic_equations, read_var_list, time_integration, user_parin, write_var_list<br>
145      <br><span style="font-weight: bold;">
146new:</span> data_output_mask,&nbsp; init_masks, palm_simple_install, palm_simple_run, subsidence, user_data_output_mask<br>
147<br>
148      </td>
149    </tr>
150    <tr>
151      <td style="vertical-align: top; width: 27px;"><br>
152      </td>
153      <td style="vertical-align: top; width: 38px;"><br>
154      </td>
155      <td style="vertical-align: top; width: 42px;"><br>
156      </td>
157      <td style="vertical-align: top; width: 40px;"><br>
158      </td>
159      <td style="vertical-align: top; width: 27px;">C<br>
160      </td>
161      <td style="vertical-align: top; width: 497px;">2d-decomposition is default for Cray-XT machines. (<span style="font-family: Courier New,Courier,monospace;">init_pegrid</span>)<br>
162      <br><span style="font-family: Courier New,Courier,monospace;">
163var_ts</span> is replaced by <span style="font-family: Courier New,Courier,monospace;">dots_max</span>. (<span style="font-family: Courier New,Courier,monospace;">modules</span>, <span style="font-family: Courier New,Courier,monospace;">init_3d_model</span>)<br>
164      <br>
165Every cloud droplet has now an own weighting factor and can be deleted
166due to collisions. Condensation and collision of cloud droplets are
167adjusted accordingly. (<span style="font-family: Courier New,Courier,monospace;">advec_particles</span>)<br>
168      <br>
169Collision efficiency for large cloud droplets has changed according to table of Rogers and Yau. (<span style="font-family: Courier New,Courier,monospace;">collision_efficiency</span>)<br>
170      </td>
171      <td style="vertical-align: top; width: 189px;">advec_particles, collision_efficiency, init_3d_model, init_pegrid, modules<br>
172      </td>
173    </tr>
174    <tr>
175      <td style="vertical-align: top; width: 27px;"><br>
176      </td>
177      <td style="vertical-align: top; width: 38px;"><br>
178      </td>
179      <td style="vertical-align: top; width: 42px;"><br>
180      </td>
181      <td style="vertical-align: top; width: 40px;"><br>
182      </td>
183      <td style="vertical-align: top; width: 27px;">B<br>
184      </td>
185      <td style="vertical-align: top; width: 497px;">Bugfix for generating serial jobs. (<span style="font-weight: bold;">subjob</span>)<br>
186      <br>
187Bugfix: index problem concerning gradient_level indices removed. (<span style="font-family: Courier New,Courier,monospace;">header</span>)<br>
188      <br>
189Dimension of array <span style="font-family: Courier New,Courier,monospace;">stat</span> in cascade change to prevent type problems with mpi2 libraries. (<span style="font-family: Courier New,Courier,monospace;">poisfft_hybrid</span>)<br>
190      <br>
191Loop was split to make runs reproducible when using ifort compiler. (<span style="font-family: Courier New,Courier,monospace;">disturb_field</span>)<br>
192      <br>
193Bugfix: exchange of ghost points for <span style="font-family: Courier New,Courier,monospace;">prho</span> included. (<span style="font-family: Courier New,Courier,monospace;">time_integration</span>)<br>
194      <br>
195Bugfix in calculation of time-averaged surface heatfluxes. (<span style="font-family: Courier New,Courier,monospace;">sum_up_3d_data</span>)<br>
196      <br>
197Bugfix in calculation of precipitation_rate. (<span style="font-family: Courier New,Courier,monospace;">calc_precipitation</span>)<br>
198      <br>
199Bugfix: initial data assignments to some dvrp arrays changed due to error messages from gfortran compiler. (<span style="font-family: Courier New,Courier,monospace;">modules</span>)<br>
200      <br>
201Bugfix in calculation of cloud droplet velocity. (<span style="font-family: Courier New,Courier,monospace;">advec_particles</span>)<br>
202      <br>
203Bugfix in transfer of particles at south/left edge. (<span style="font-family: Courier New,Courier,monospace;">advec_particles</span>)<br>
204      <br>
205Bugfix in calculation of collision efficiency. (<span style="font-family: Courier New,Courier,monospace;">collision_efficiency</span>)<span style="font-family: Courier New,Courier,monospace;"></span><span style="font-family: Courier New,Courier,monospace;"></span><br>
206      </td>
207      <td style="vertical-align: top; width: 189px;">advec_particles,
208calc_precipitation, collision_efficiency, disturb_field, header,
209modules, poisfft_hybrid, subjob, sum_up_3d_data,
210time_integration<br>
211<br>
212      </td>
213    </tr>
214    <tr>
215      <td style="vertical-align: top; width: 27px;">23/09/09<br>
216      </td>
217      <td style="vertical-align: top; width: 38px;">SR<br>
218      </td>
219      <td style="vertical-align: top; width: 42px;">392<br>
220      </td>
221      <td style="vertical-align: top; width: 40px;">3.7<br>
222      </td>
223      <td style="vertical-align: top; width: 27px;">N<br>
224      </td>
225      <td style="vertical-align: top; width: 497px;"><span style="font-weight: bold;">Most
226important changes:</span>
227atmosphere-ocean coupling has been improved and steering of
228dvr-software is more user-friendly now. Beside that, the release
229contains a lot of optimizations, changes, and bugfixes which have
230accumulated over the last months.<br>
231
232      <br>
233
234The atmosphere-ocean coupling allows to use independent precursor runs
235in order to account for different spin-up times. The time when coupling
236has to be started is given by new inipar parameter <span style="font-family: Courier New,Courier,monospace;">coupling_start_time</span>.
237The precursor ocean run has to be started using new <span style="font-weight: bold;">mrun</span> option "<span style="font-family: Courier New,Courier,monospace;">-y</span>" in
238order to add the appendix "<span style="font-family: Courier New,Courier,monospace;">_O</span>" to all
239output files. (<span style="font-family: Courier New,Courier,monospace;">check_for_restart</span>,
240      <span style="font-family: Courier New,Courier,monospace;">check_parameters</span>,
241      <span style="font-family: Courier New,Courier,monospace;">data_output_2d</span>,
242      <span style="font-family: Courier New,Courier,monospace;">data_output_3d</span>,
243      <span style="font-family: Courier New,Courier,monospace;">data_output_profiles</span>,
244      <span style="font-family: Courier New,Courier,monospace;">data_output_ptseries</span>,
245      <span style="font-family: Courier New,Courier,monospace;">data_output_spectra</span>,
246      <span style="font-family: Courier New,Courier,monospace;">data_output_tseries</span>,
247      <span style="font-family: Courier New,Courier,monospace;">header</span>,
248      <span style="font-family: Courier New,Courier,monospace;">init_coupling</span>,
249      <span style="font-family: Courier New,Courier,monospace;">modules</span>,
250      <span style="font-family: Courier New,Courier,monospace;">mrun</span>,
251      <span style="font-family: Courier New,Courier,monospace;">parin</span>,
252      <span style="font-family: Courier New,Courier,monospace;">read_var_list</span>,
253      <span style="font-family: Courier New,Courier,monospace;">surface_coupler</span>,
254      <span style="font-family: Courier New,Courier,monospace;">time_integration</span>,
255      <span style="font-family: Courier New,Courier,monospace;">write_var_list</span>)<br>
256
257      <br>
258
259Clipping of dvrp output implemented. Default colourtable for particles
260implemented, particle attributes (color, dvrp_size) can be set with new
261parameters <span style="font-family: Courier New,Courier,monospace;">particle_color</span>,
262      <span style="font-family: Courier New,Courier,monospace;">particle_dvrpsize</span>,
263      <span style="font-family: Courier New,Courier,monospace;">color_interval</span>,
264      <span style="font-family: Courier New,Courier,monospace;">dvrpsize_interval</span>.
265Slicer attributes (dvrp) are set with new routine <span style="font-family: Courier New,Courier,monospace;">set_slicer_attributes_dvrp</span>
266and are controlled with existing parameters <span style="font-family: Courier New,Courier,monospace;">slicer_range_limits</span>.
267(<span style="font-family: Courier New,Courier,monospace;">init_dvrp</span>,
268      <span style="font-family: Courier New,Courier,monospace;">data_output_dvrp</span>,
269      <span style="font-family: Courier New,Courier,monospace;">modules</span>,
270      <span style="font-family: Courier New,Courier,monospace;">set_slicer_attributes_dvrp</span>,&nbsp;
271      <span style="font-family: Courier New,Courier,monospace;">user_data_output_dvrp</span>)<br>
272
273      <br>
274
275Polygon reduction for topography and ground plate isosurface. Reduction
276level for buildings can be chosen with parameter cluster_size. (<span style="font-family: Courier New,Courier,monospace;">init_dvrp</span>)<br>
277
278      <br>
279
280Variables <span style="font-family: Courier New,Courier,monospace;">bc_lr</span>
281/ <span style="font-family: Courier New,Courier,monospace;">bc_ns</span>&nbsp;
282in most subroutines replaced by LOGICAL variables <span style="font-family: Courier New,Courier,monospace;">bc_lr_cyc</span>,<br>
283
284      <span style="font-family: Courier New,Courier,monospace;">bc_ns_cyc</span>
285for speed optimization. This gives a significant speedup of more than
28610%. (<span style="font-family: Courier New,Courier,monospace;">check_parameters</span>,
287      <span style="font-family: Courier New,Courier,monospace;">diffusion_u</span>,
288      <span style="font-family: Courier New,Courier,monospace;">diffusion_v</span>,
289      <span style="font-family: Courier New,Courier,monospace;">diffusion_w</span>,
290      <span style="font-family: Courier New,Courier,monospace;">modules</span>)<br>
291
292      <br>
293
294Scripts have been adapted for machine lck (Yonsei Univ.). (<span style="font-family: Courier New,Courier,monospace;">mrun</span>, <span style="font-family: Courier New,Courier,monospace;">mbuild</span>, <span style="font-family: Courier New,Courier,monospace;">subjob</span>)<br>
295
296      <br>
297
298Additional timestep criterion in case of simulations with plant canopy.
299(<span style="font-family: Courier New,Courier,monospace;">timestep</span>)<br>
300
301      <br>
302
303Check for illegal entries in <span style="font-family: Courier New,Courier,monospace;">section_xy</span>|<span style="font-family: Courier New,Courier,monospace;">xz</span>|<span style="font-family: Courier New,Courier,monospace;">yz</span> that
304exceed <span style="font-family: Courier New,Courier,monospace;">nz+1</span>|<span style="font-family: Courier New,Courier,monospace;">ny+1</span>|<span style="font-family: Courier New,Courier,monospace;">nx+1</span>. (<span style="font-family: Courier New,Courier,monospace;">check_parameters</span>)<br>
305
306      <br>
307
308External pressure gradient can be used as driving force. (<span style="font-family: Courier New,Courier,monospace;">check_parameters</span>,
309      <span style="font-family: Courier New,Courier,monospace;">header</span>,
310      <span style="font-family: Courier New,Courier,monospace;">init_3d_model</span>,
311      <span style="font-family: Courier New,Courier,monospace;">modules</span>,
312      <span style="font-family: Courier New,Courier,monospace;">parin</span>,
313      <span style="font-family: Courier New,Courier,monospace;">prognostic_equations</span>,
314      <span style="font-family: Courier New,Courier,monospace;">read_var_list</span>,
315      <span style="font-family: Courier New,Courier,monospace;">write_var_list</span>)<br>
316
317      <br>
318
319New topography case '<span style="font-style: italic;">single_street_canyon</span>'.
320(<span style="font-family: Courier New,Courier,monospace;">header</span>,
321      <span style="font-family: Courier New,Courier,monospace;">init_grid</span>,
322      <span style="font-family: Courier New,Courier,monospace;">modules</span>,
323      <span style="font-family: Courier New,Courier,monospace;">parin</span>,
324      <span style="font-family: Courier New,Courier,monospace;">read_var_list</span>,
325      <span style="font-family: Courier New,Courier,monospace;">user_check_parameters</span>,
326      <span style="font-family: Courier New,Courier,monospace;">user_header</span>,
327      <span style="font-family: Courier New,Courier,monospace;">user_init_grid</span>,
328      <span style="font-family: Courier New,Courier,monospace;">write_var_list</span>)<br>
329
330      <br>
331
332Option to predefine a target bulk velocity for <span style="font-family: Courier New,Courier,monospace;">conserve_volume_flow</span>.
333(<span style="font-family: Courier New,Courier,monospace;">check_parameters</span>,
334      <span style="font-family: Courier New,Courier,monospace;">header</span>,
335      <span style="font-family: Courier New,Courier,monospace;">init_3d_model</span>,
336      <span style="font-family: Courier New,Courier,monospace;">modules</span>,
337      <span style="font-family: Courier New,Courier,monospace;">parin</span>,
338      <span style="font-family: Courier New,Courier,monospace;">read_var_list</span>,
339      <span style="font-family: Courier New,Courier,monospace;">write_var_list</span>)<br>
340
341      <br>
342
343Option for user defined 2D data output in xy cross sections at z=<span style="font-family: Courier New,Courier,monospace;">nzb</span>+1. (<span style="font-family: Courier New,Courier,monospace;">data_output_2d</span>,
344      <span style="font-family: Courier New,Courier,monospace;">user_data_output_2d</span>)<br>
345
346      <br>
347
348xy cross section output of surface heatfluxes (sensible and latent). (<span style="font-family: Courier New,Courier,monospace;">average_3d_data</span>,
349      <span style="font-family: Courier New,Courier,monospace;">check_parameters</span>,
350      <span style="font-family: Courier New,Courier,monospace;">data_output_2d</span>,
351      <span style="font-family: Courier New,Courier,monospace;">modules</span>,
352      <span style="font-family: Courier New,Courier,monospace;">read_3d_binary</span>,
353      <span style="font-family: Courier New,Courier,monospace;">sum_up_3d_data</span>,
354      <span style="font-family: Courier New,Courier,monospace;">write_3d_binary</span>)</td>
355      <td style="vertical-align: top; width: 189px;">average_3d_data,
356check_for_restart, check_parameters, data_output_2d, data_output_3d,
357data_output_dvrp, data_output_profiles, data_output_ptseries,
358data_output_spectra, data_output_tseries, diffusion_u, diffusion_v,
359diffusion_w, init_coupling, init_dvrp, init_grid, init_3d_model,
360header, mbuild, modules, mrun, package_parin, parin,
361prognostic_equations, read_3d_binary, read_var_list, subjob,
362sum_up_3d_data, surface_coupler, timestep, time_integration,
363user_check_parameters, user_data_output_2d, user_data_output_dvrp,
364user_header, user_init_grid, write_3d_binary, write_var_list<br>
365
366      <br>
367
368      <span style="font-weight: bold;">new:</span>
369set_particle_attributes, set_slicer_attributes_dvrp</td>
370    </tr>
371    <tr>
372      <td style="vertical-align: top; width: 27px;"><br>
373      </td>
374      <td style="vertical-align: top; width: 38px;"><br>
375      </td>
376      <td style="vertical-align: top; width: 42px;"><br>
377      </td>
378      <td style="vertical-align: top; width: 40px;"><br>
379      </td>
380      <td style="vertical-align: top; width: 27px;">C<br>
381      </td>
382      <td style="vertical-align: top; width: 497px;">Output of messages replaced by
383message handling routine. (<span style="font-family: Courier New,Courier,monospace;">advec_particles</span>,
384      <span style="font-family: Courier New,Courier,monospace;">advec_s_bc</span>,
385      <span style="font-family: Courier New,Courier,monospace;">buoyancy</span>,
386      <span style="font-family: Courier New,Courier,monospace;">calc_spectra</span>,
387      <span style="font-family: Courier New,Courier,monospace;">check_for_restart</span>,
388      <span style="font-family: Courier New,Courier,monospace;">check_open</span>,
389      <span style="font-family: Courier New,Courier,monospace;">coriolis</span>,
390      <span style="font-family: Courier New,Courier,monospace;">cpu_log</span>,
391      <span style="font-family: Courier New,Courier,monospace;">data_output_2d</span>,
392      <span style="font-family: Courier New,Courier,monospace;">data_output_3d</span>,
393      <span style="font-family: Courier New,Courier,monospace;">data_output_dvrp</span>,
394      <span style="font-family: Courier New,Courier,monospace;">data_output_profiles</span>,
395      <span style="font-family: Courier New,Courier,monospace;">data_output_spectra</span>,
396      <span style="font-family: Courier New,Courier,monospace;">fft_xy</span>,
397      <span style="font-family: Courier New,Courier,monospace;">flow_statistics</span>,
398      <span style="font-family: Courier New,Courier,monospace;">header</span>,&nbsp;
399      <span style="font-family: Courier New,Courier,monospace;">init_1d_model</span>,
400      <span style="font-family: Courier New,Courier,monospace;">init_3d_model</span>,
401      <span style="font-family: Courier New,Courier,monospace;">init_dvrp</span>,
402      <span style="font-family: Courier New,Courier,monospace;">init_grid</span>,
403      <span style="font-family: Courier New,Courier,monospace;">init_particles</span>,
404      <span style="font-family: Courier New,Courier,monospace;">init_pegrid</span>,
405      <span style="font-family: Courier New,Courier,monospace;">netcdf</span>,
406      <span style="font-family: Courier New,Courier,monospace;">parin</span>,
407      <span style="font-family: Courier New,Courier,monospace;">plant_canopy_model</span>,
408      <span style="font-family: Courier New,Courier,monospace;">poisfft_hybrid</span>,
409      <span style="font-family: Courier New,Courier,monospace;">poismg</span>,
410      <span style="font-family: Courier New,Courier,monospace;">read_3d_binary</span>,
411      <span style="font-family: Courier New,Courier,monospace;">read_var_list</span>,
412      <span style="font-family: Courier New,Courier,monospace;">surface_coupler</span>,
413      <span style="font-family: Courier New,Courier,monospace;">temperton_fft</span>,
414      <span style="font-family: Courier New,Courier,monospace;">timestep</span>,
415      <span style="font-family: Courier New,Courier,monospace;">user_actions</span>,
416      <span style="font-family: Courier New,Courier,monospace;">user_data_output_dvrp</span>,
417      <span style="font-family: Courier New,Courier,monospace;">user_dvrp_coltab</span>,
418      <span style="font-family: Courier New,Courier,monospace;">user_init_grid</span>,
419      <span style="font-family: Courier New,Courier,monospace;">user_init_plant_canopy</span>,
420      <span style="font-family: Courier New,Courier,monospace;">user_parin</span>,
421      <span style="font-family: Courier New,Courier,monospace;">user_read_restart_data</span>,
422      <span style="font-family: Courier New,Courier,monospace;">user_spectra</span>)<br>
423
424      <br>
425
426Output of NetCDF messages with aid of message handling routine. (<span style="font-family: Courier New,Courier,monospace;">check_open</span>,
427      <span style="font-family: Courier New,Courier,monospace;">close_file</span>,
428      <span style="font-family: Courier New,Courier,monospace;">data_output_2d</span>,
429      <span style="font-family: Courier New,Courier,monospace;">data_output_3d</span>,
430      <span style="font-family: Courier New,Courier,monospace;">data_output_profiles</span>,
431      <span style="font-family: Courier New,Courier,monospace;">data_output_ptseries</span>,
432      <span style="font-family: Courier New,Courier,monospace;">data_output_spectra</span>,&nbsp;
433      <span style="font-family: Courier New,Courier,monospace;">data_output_tseries</span>,
434      <span style="font-family: Courier New,Courier,monospace;">netcdf</span><span style="font-family: Courier New,Courier,monospace;"></span>)<br>
435
436      <br>
437
438__lcmuk changed to __lc to avoid problems with Intel compiler on
439sgi-ice. (<span style="font-family: Courier New,Courier,monospace;">poisfft</span>)<br>
440
441      <br>
442
443For extended NetCDF files, the updated title attribute includes an
444update of time_average_text where appropriate. (<span style="font-family: Courier New,Courier,monospace;">netcdf</span>)<br>
445
446      <br>
447
448In case of restart runs without extension, initial profiles are not
449written to NetCDF-file anymore. So far, time axis always started at
450t=0. (<span style="font-family: Courier New,Courier,monospace;">data_output_profiles</span>,
451      <span style="font-family: Courier New,Courier,monospace;">modules</span>,
452      <span style="font-family: Courier New,Courier,monospace;">read_var_list</span>,
453      <span style="font-family: Courier New,Courier,monospace;">write_var_list</span>)<br>
454
455      <br>
456
457      <span style="font-family: Courier New,Courier,monospace;">initializing_actions</span>='<span style="font-style: italic;">read_data_for_recycling</span>' renamed to
458'<span style="font-style: italic;">cyclic_fill</span>'. A cyclic fill
459can now <br>
460
461be used independent of <span style="font-family: Courier New,Courier,monospace;">turbulent_inflow</span>.
462(<span style="font-family: Courier New,Courier,monospace;">check_parameters</span>,
463      <span style="font-family: Courier New,Courier,monospace;">header</span>,
464      <span style="font-family: Courier New,Courier,monospace;">init_3d_model</span>)<br>
465
466      <br>
467
4682 NetCDF error numbers changed. (<span style="font-family: Courier New,Courier,monospace;">data_output_3d</span>)<br>
469
470      <br>
471
472A link to the webspage appendix_a.html is printed for further
473information about possible reasons of the error that appeared. (message)<br>
474
475      <br>
476
477Temperature gradient criterion for estimating the boundary layer height
478replaced by the gradient criterion of Sullivan et al. (1998). (<span style="font-family: Courier New,Courier,monospace;">flow_statistics</span>)<br>
479
480      <br>
481
482NetCDF unit attribute in timeseries output in case of statistic regions
483added. (<span style="font-family: Courier New,Courier,monospace;">netcdf</span>)<br>
484
485      <br>
486
487Maximum number of tails is calculated from maximum number of particles
488and <span style="font-family: Courier New,Courier,monospace;">skip_particles_for_tail</span>.
489(<span style="font-family: Courier New,Courier,monospace;">init_particles</span>)<br>
490
491      <br>
492
493Value of <span style="font-family: Courier New,Courier,monospace;">vertical_particle_advection</span>
494is allowed to differ for each particle group. (<span style="font-family: Courier New,Courier,monospace;">advec_particles</span>,
495      <span style="font-family: Courier New,Courier,monospace;">header</span>,
496      <span style="font-family: Courier New,Courier,monospace;">modules</span>)
497      <br>
498
499      <br>
500
501First constant in array <span style="font-family: Courier New,Courier,monospace;">den</span> also
502defined as type double. (<span style="font-family: Courier New,Courier,monospace;">eqn_state_seawater</span>)<br>
503
504      <br>
505
506Parameter <span style="font-family: Courier New,Courier,monospace;">dvrp_psize</span>
507moved from <span style="font-family: Courier New,Courier,monospace;">particles_par</span>
508to <span style="font-family: Courier New,Courier,monospace;">dvrp_graphics_par</span>.
509(<span style="font-family: Courier New,Courier,monospace;">package_parin</span>)<br>
510
511      <br>
512
513      <span style="font-family: Courier New,Courier,monospace;">topography_grid_convention</span>
514moved from <span style="font-family: Courier New,Courier,monospace;">userpar</span>
515to <span style="font-family: Courier New,Courier,monospace;">inipar</span>
516(<span style="font-family: Courier New,Courier,monospace;">check_parameters</span>,
517      <span style="font-family: Courier New,Courier,monospace;">header</span>,
518      <span style="font-family: Courier New,Courier,monospace;">parin</span>,
519      <span style="font-family: Courier New,Courier,monospace;">read_var_list</span>,
520      <span style="font-family: Courier New,Courier,monospace;">user_check_parameters</span>,
521      <span style="font-family: Courier New,Courier,monospace;">user_header</span>,
522      <span style="font-family: Courier New,Courier,monospace;">user_init_grid</span>,
523      <span style="font-family: Courier New,Courier,monospace;">user_parin</span>,
524      <span style="font-family: Courier New,Courier,monospace;">write_var_list</span>)<br>
525
526      <br>
527
528Default value of <span style="font-family: Courier New,Courier,monospace;">grid_matching</span>
529changed to '<span style="font-style: italic;">strict</span>'. (<span style="font-family: Courier New,Courier,monospace;">modules</span>)<br>
530
531      <br>
532
533Adjustments for runs on lcxt4 (necessary due to a software update on
534CRAY) and for coupled runs on ibmy. (<span style="font-family: Courier New,Courier,monospace;">mrun</span>, <span style="font-family: Courier New,Courier,monospace;">subjob</span>)</td>
535      <td style="vertical-align: top; width: 189px;">advec_particles,
536advec_s_bc,
537buoyancy, calc_spectra, check_for_restart, check_open,
538check_parameters, close_file, coriolis, cpu_log, data_output_2d,
539data_output_3d, data_output_dvrp, data_output_profiles,
540data_output_ptseries, data_output_spectra, data_output_tseries,
541eqn_state_seawater, fft_xy, flow_statistics, header, init_1d_model,
542init_3d_model, init_dvrp, init_grid, init_particles, init_pegrid,
543message, mrun, netcdf, package_parin, parin, plant_canopy_model,
544poisfft, poisfft_hybrid, poismg, read_3d_binary, read_var_list, subjob,
545surface_coupler, temperton_fft, timestep,
546user_actions,user_check_parameters, user_data_output_dvrp,
547user_dvrp_coltab, user_header, user_init_grid, user_init_plant_canopy,
548user_parin, user_read_restart_data, user_spectra, write_var_list </td>
549    </tr>
550    <tr>
551      <td style="vertical-align: top; width: 27px;"><br>
552      </td>
553      <td style="vertical-align: top; width: 38px;"><br>
554      </td>
555      <td style="vertical-align: top; width: 42px;"><br>
556      </td>
557      <td style="vertical-align: top; width: 40px;"><br>
558      </td>
559      <td style="vertical-align: top; width: 27px;">B<br>
560      </td>
561      <td style="vertical-align: top; width: 497px;">Bugfix: Initial hydrostatic
562pressure profile in case of ocean runs is now calculated in 5 iteration
563steps. (<span style="font-family: Courier New,Courier,monospace;">init_ocean</span>)<br>
564
565      <br>
566
567Bugfix: wrong sign in buoyancy production of ocean part in case of not
568using the reference density (only in 3D routine <span style="font-family: Courier New,Courier,monospace;">production_e</span>).
569(<span style="font-family: Courier New,Courier,monospace;">production_e</span>)<br>
570
571      <br>
572
573Bugfix: output of averaged 2d/3d quantities requires that an avaraging
574interval has been set, respective error message is included. (<span style="font-family: Courier New,Courier,monospace;">check_parameters</span>)<br>
575
576      <br>
577
578Bugfix: Output on unit 14 only if requested by <span style="font-family: Courier New,Courier,monospace;">write_binary</span>.
579(<span style="font-family: Courier New,Courier,monospace;">user_last_actions</span>)<br>
580
581      <br>
582
583Bugfix to avoid zero division by <span style="font-family: Courier New,Courier,monospace;">km_neutral</span>.
584(<span style="font-family: Courier New,Courier,monospace;">production_e</span>)<br>
585
586      <br>
587
588Bugfix for extended NetCDF files: In order to avoid 'data mode' errors
589if updated attributes are larger than their original size, <span style="font-family: Courier New,Courier,monospace;">NF90_PUT_ATT</span>
590is called in 'define mode' enclosed by <span style="font-family: Courier New,Courier,monospace;">NF90_REDEF</span>
591and <span style="font-family: Courier New,Courier,monospace;">NF90_ENDDEF</span>
592calls. This implies a possible performance loss; an alternative
593strategy would be to ensure equal attribute size in a job chain. (<span style="font-family: Courier New,Courier,monospace;">netcdf</span>)<br>
594
595      <br>
596
597Bugfix: correction of initial volume flow for non-flat topography. (<span style="font-family: Courier New,Courier,monospace;">init_3d_model</span>)<br>
598
599      <br>
600
601Bugfix: zero initialization of arrays within buildings for '<span style="font-style: italic;">cyclic_fill</span>'. (<span style="font-family: Courier New,Courier,monospace;">init_3d_model</span>)<br>
602
603      <br>
604
605Bugfix: <span style="font-family: Courier New,Courier,monospace;">to_be_resorted</span>
606=&gt; <span style="font-family: Courier New,Courier,monospace;">s_av</span>
607for time-averaged scalars. (<span style="font-family: Courier New,Courier,monospace;">data_output_2d</span>,
608      <span style="font-family: Courier New,Courier,monospace;">data_output_3d</span>)<br>
609
610      <br>
611
612Bugfix: avoid that <span style="font-family: Courier New,Courier,monospace;">ngp_2dh_s_inner</span>
613becomes zero. (<span style="font-family: Courier New,Courier,monospace;">init_3_model</span>)<br>
614
615      <br>
616
617Typographical error: unit of wpt in dots_unit. (<span style="font-family: Courier New,Courier,monospace;">modules</span>)<br>
618
619      <br>
620
621Bugfix: error in check, if particles moved further than one subdomain
622length. This check must not be applied for newly released particles. (<span style="font-family: Courier New,Courier,monospace;">advec_particles</span>)<br>
623
624      <br>
625
626Bugfix: several tail counters are initialized, <span style="font-family: Courier New,Courier,monospace;">particle_tail_coordinates</span>
627is only written to file if its third index is &gt; 0, arrays for tails
628are allocated with a minimum size of 10 tails if there is no tail
629initially. (<span style="font-family: Courier New,Courier,monospace;">advec_particles</span>,
630      <span style="font-family: Courier New,Courier,monospace;">init_particles</span><span style="font-family: Courier New,Courier,monospace;"></span>)<br>
631
632      <br>
633
634Bugfix: pressure included for profile output. (<span style="font-family: Courier New,Courier,monospace;">check_parameters</span>)<br>
635
636      <br>
637
638Bugfix: Type of <span style="font-family: Courier New,Courier,monospace;">count</span> and <span style="font-family: Courier New,Courier,monospace;">count_rate</span>
639changed to default <span style="font-family: Courier New,Courier,monospace;">INTEGER</span> on
640NEC machines. (<span style="font-family: Courier New,Courier,monospace;">cpu_log</span>)<br>
641
642      <br>
643
644Bugfix: output of particle time series only if particle advection is
645switched on. (<span style="font-family: Courier New,Courier,monospace;">time_integration</span>)<br>
646
647      <br>
648
649Bugfix: qsws was calculated in case of <span style="font-family: Courier New,Courier,monospace;">constant heatflux</span>
650= <span style="font-family: Courier New,Courier,monospace;">.FALSE.</span>.
651(<span style="font-family: Courier New,Courier,monospace;">prandtl_fluxes</span>)<br>
652
653      <br>
654
655Bugfix: averaging along z is not allowed for 2d quantities (e.g. u* and
656z0). (<span style="font-family: Courier New,Courier,monospace;">data_output_2d</span>)<br>
657
658      <br>
659
660Typographical errors. (<span style="font-family: Courier New,Courier,monospace;">netcdf</span>)<br>
661
662      <br>
663
664If the inversion height calculated by the prerun is zero,
665inflow_damping_height must be explicitly specified. (<span style="font-family: Courier New,Courier,monospace;">init_3d_model</span>)<br>
666
667      <br>
668
669Small bugfix concerning 3d 64bit netcdf output format. (<span style="font-family: Courier New,Courier,monospace;">header</span>)<br>
670
671      <br>
672
673Bugfix: <span style="font-family: Courier New,Courier,monospace;">dt_fixed</span>
674removed from the restart file, because otherwise, no change from a
675fixed to a variable timestep would be possible in restart runs. (<span style="font-family: Courier New,Courier,monospace;">read_var_list</span>,
676      <span style="font-family: Courier New,Courier,monospace;">write_var_list</span>)<br>
677
678      <br>
679
680Bugfix: initial setting of <span style="font-family: Courier New,Courier,monospace;">time_coupling</span>
681in coupled restart runs. (<span style="font-family: Courier New,Courier,monospace;">time_integration</span>)</td>
682      <td style="vertical-align: top; width: 189px;">advec_particles,
683check_parameters, cpu_log, data_output_2d, data_output_3d, header,
684init_3d_model, init_particles, init_ocean, modules, netcdf,
685prandtl_fluxes, production_e, read_var_list, time_integration,
686user_last_actions, write_var_list<br>
687
688      </td>
689    </tr>
690    <tr>
691      <td style="vertical-align: top; width: 27px;">02/02/09<br>
692      </td>
693      <td style="vertical-align: top; width: 38px;">SR<br>
694      </td>
695      <td style="vertical-align: top; width: 42px;">228<br>
696      </td>
697      <td style="vertical-align: top; width: 40px;">3.6<br>
698      </td>
699      <td style="vertical-align: top; width: 27px;">N<br>
700      </td>
701      <td style="vertical-align: top; width: 497px;">This
702release contains further additions, changes, and bugfixes for the
703SGI-ICE system, as well as important changes like the splitting of the
704user-interface into single files, a complete revision of the
705pre-compiling mechanism allowing to use different make-depositories
706simultaneously, and a revision of the reading-mechanism from restart
707files, which has no more restrictions in case that the previous and
708current run have different domain/subdomain sizes. A new handling of
709all kind of output messages is introduced with this release and will be
710applied to all existing messages within the next releases.<br>
711
712      <br>
713
714      <span style="font-weight: bold;">New features are:</span><br style="font-weight: bold;">
715
716      <br>
717
718Restart runs on SGI-ICE are working. (mrun)<br>
719
7202d-decomposition is default on SGI-ICE systems. (init_pegrid)<br>
721
722      <br>
723
724Ocean-atmosphere coupling realized with MPI-1. mrun adjusted for this
725case (-Y option). Check that PALM is called with <span style="font-family: Courier New,Courier,monospace;">mrun</span>-option
726"<span style="font-style: italic;">-K parallel</span>" for coupling.
727Adjustments in <span style="font-family: Courier New,Courier,monospace;">mrun</span>, <span style="font-family: Courier New,Courier,monospace;">mbuild</span>, and
728      <span style="font-family: Courier New,Courier,monospace;">subjob</span>
729for lcxt4.<br>
730
731      <br>
732
733DVRP arguments changed to single precision, mode pathlines added.<br>
734
735      <br>
736
737User can add additional routines in files <span style="font-family: Courier New,Courier,monospace;">user_additional_routines</span>.<br>
738
739      <br>
740
741User can check user parameters and deduce further quantities in <span style="font-family: Courier New,Courier,monospace;">user_check_parameters</span></td>
742      <td style="vertical-align: top; width: 189px;">check_for_restart,
743check_parameters, data_output_dvrp, init_dvrp, init_pegrid, local_stop,
744modules, package_parin, palm, surface_coupler, timestep<br>
745
746      <br>
747
748Makefile,&nbsp;mbuild, mrun, subjob<br>
749
750      <br>
751
752      <span style="font-weight: bold;">new:</span><br>
753
754init_coupling, user_additional_routines, user_check_parameters</td>
755    </tr>
756    <tr>
757      <td style="vertical-align: top; width: 27px;"><br>
758      </td>
759      <td style="vertical-align: top; width: 38px;"><br>
760      </td>
761      <td style="vertical-align: top; width: 42px;"><br>
762      </td>
763      <td style="vertical-align: top; width: 40px;"><br>
764      </td>
765      <td style="vertical-align: top; width: 27px;">C<br>
766      </td>
767      <td style="vertical-align: top; width: 497px;">User interface has been
768split into single files.<br>
769
770      <br>
771
772Type of variables <span style="font-family: Courier New,Courier,monospace;">count</span> and <span style="font-family: Courier New,Courier,monospace;">count_rate</span>
773changed to INTEGER(8) in order to avoid "out of range" problems, which
774result in measured negative time intervals. (cpu_log, local_tremain,
775local_tremain_ini)<br>
776
777      <br>
778
779Reading mechanism from restart files
780completely revised. The subdomain/total domain size is now allowed to
781vary arbitrarily between the current and previous run. (read_var_list,
782read_3d_binary, user_read_restart_data)<br>
783
784      <br>
785
786Precompilation mechanism (<span style="font-family: Courier New,Courier,monospace;">mbuild</span>)
787completely revised: the source-tarfile remains in the source directory (<span style="font-family: Courier New,Courier,monospace;">trunk/SOURCE</span>).
788One depository per block (given in the config-file) is created. Always
789all files from the source directory are copied to the respective
790depository. No additional file checks are done any more (mrun version
7912.1). The depository name used contains the conditions given by <span style="font-family: Courier New,Courier,monospace;">mrun</span>-option
792"<span style="font-family: Courier New,Courier,monospace;">-K</span>".
793(mbuild, mrun)<br>
794
795      <br>
796
797Output messages (including required stop of execution) can now be
798handled with the new subroutine&nbsp;<span style="font-family: Courier New,Courier,monospace;">message</span>.
799All output messages will be replaced by this routine step by step
800within the next revisions.<br>
801
802      <br>
803
804Neumann boundary condition at <span style="font-family: Courier New,Courier,monospace;">k=nzb</span> is
805explicitly set for better reading, although this has been already done
806in boundary_conds. (advec_s_bc)<br>
807
808      <br>
809
810Origin of the xy-coordinate system shifted from the center of the first
811grid cell (indices <span style="font-family: Courier New,Courier,monospace;">i=0</span>, <span style="font-family: Courier New,Courier,monospace;">j=0</span>) to the
812south-left corner of this cell. (netcdf) Topography definition
813according to new user parameter <span style="font-family: Courier New,Courier,monospace;">topography_grid_convention</span>.
814(init_grid, modules, user_header, user_init_grid, user_parin)</td>
815      <td style="vertical-align: top; width: 189px;">advec_s_bc,
816check_parameters, cpu_log, init_grid, local_stop, local_tremain,
817local_tremain_ini, modules, netcdf, read_3d_binary, read_var_list,
818user_read_restart_data<br>
819
820      <br>
821
822Makefile, mbuild, mrun<br>
823
824      <br>
825
826      <span style="font-weight: bold;">removed:</span><br>
827
828user_interface<br>
829
830      <br>
831
832      <span style="font-weight: bold;">new:</span><br>
833
834message,
835user_3d_data_averaging, user_actions, user_advec_particles,
836user_check_data_output, user_check_data_output_pr, user_data_output_2d,
837user_data_output_3d, user_data_output_dvrp, user_define_netcdf_grid,
838user_dvrp_coltab, user_header, user_init_3d_model, user_init,
839user_init_grid, user_init_particles, user_init_plant_canopy,
840user_last_actions, user_parin, user_parin, user_particle_attributes,
841user_read_restart_data, user_spectra, user_statistics</td>
842    </tr>
843    <tr>
844      <td style="vertical-align: top; width: 27px;"><br>
845      </td>
846      <td style="vertical-align: top; width: 38px;"><br>
847      </td>
848      <td style="vertical-align: top; width: 42px;"><br>
849      </td>
850      <td style="vertical-align: top; width: 40px;"><br>
851      </td>
852      <td style="vertical-align: top; width: 27px;">B<br>
853      </td>
854      <td style="vertical-align: top; width: 497px;">Bugfix: array <span style="font-family: Courier New,Courier,monospace;">d</span> is
855reallocated in case that multigrid is used. (calc_spectra)<br>
856
857      <br>
858
859Bugfixes for nonparallel execution. (check_for_restart, cpu_statistics,
860inflow_turbulence,&nbsp;timestep)<br>
861
862      <br>
863
864Size of <span style="font-family: Courier New,Courier,monospace;">pf3d
865      </span>adjusted to the required output size (1 gridpoint less,
866along all three dimensions), because output of a subset of the data (<span style="font-family: Courier New,Courier,monospace;">pf3d(nxa:nxe...)</span>)
867in the NF90_PUT_VAR statement caused segmentation fault with the INTEL
868compiler. (combine_plot_fields)<br>
869
870      <br>
871
872Bugfix: error in <span style="font-family: Courier New,Courier,monospace;">zu</span> index in
873case of <span style="font-family: Courier New,Courier,monospace;">section_xy=-1</span>.
874(header)<br>
875
876      <br>
877
878Inconsistency
879removed: as the thermal stratification is not taken into account for
880the evaluation of the wall fluxes at vertical walls, the eddy viscosity
881      <span style="font-family: Courier New,Courier,monospace;">km</span>
882must not be used for the evaluation of the velocity gradients <span style="font-family: Courier New,Courier,monospace;">dudy</span>, <span style="font-family: Courier New,Courier,monospace;">dwdy</span>, <span style="font-family: Courier New,Courier,monospace;">dvdx</span> and <span style="font-family: Courier New,Courier,monospace;">dwdx</span>.
883(production_e)<br>
884
885      <br>
886
887Bugfix in calculating <span style="font-family: Courier New,Courier,monospace;">k</span> index in
888case of oceans runs. (sort_particles)<br>
889
890      <br>
891
892Bugfix: no output of particle concentration and radius unless particles
893have been started. (data_output_2d)<br>
894
895      <br>
896
897Bugfix: reading of <span style="font-family: Courier New,Courier,monospace;">spectrum_x|y</span>
898from restart files ignored if total numbers of grid points do not
899match. (read_3d_binary)<br>
900
901      <br>
902
903Bugfix: abort in case that absolute temperature is below zero.
904(init_cloud_physics)</td>
905      <td style="vertical-align: top; width: 189px;">advec_particles,
906calc_spectra, check_for_restart, cpu_statistics, data_output_2d,
907header, inflow_turbulence, init_cloud_physics, production_e,
908read_3d_binary, timestep<br>
909
910      <br>
911
912combine_plot_fields</td>
913    </tr>
914  </tbody>
915</table>
916<b><blink></blink></b><br>&nbsp;
917<br>&nbsp;
918<h2><a name="Kapitel2.0"></a>2.0&nbsp; How
919to change the model source
920code</h2>Currently
921(Sep 23rd, 2009), only selected users are allowed to commit changes to
922the repository. Some rules about how to check in modified code will be
923added later.<br>
924<h2>
925<a name="Kapitel3.0"></a>3.0&nbsp; Description
926of selected parts of the
927model source code</h2>
928<b></b>
929<p>This section gives links to existing descriptions about special
930parts of the PALM code, e.g. special numerical methods that are used
931(including mathematical background). Documents are stored in single
932files with different formats. Some are in German (sorry for the
933inconvenience).
934<br>&nbsp;
935</p><ul> <li> <a name="UPS"></a>upstream-spline
936advection scheme ( <a href="methods/upstream_spline/ups.pdf">.pdf</a>
937, only in German)</li> <li> <a name="Cloud_physics"></a>cloud
938physics module ( <a href="methods/cloud_physics/cloud_physics.pdf">.pdf</a>
939)</li> 
940  <li> <a name="Bitkompression"></a>data compression with <a href="methods/bit_compression/bit_compression.html">bit shifting method</a> (only in German)<br>
941  </li>
942  <li>Runge-Kutta
943time integration scheme ( <a href="methods/runge_kutta/runge_kutta.pdf">.pdf</a>
944, only in German)</li>
945
946</ul><br>
947&nbsp;
948<br>&nbsp;
949<br>&nbsp;
950<br>&nbsp;
951<br>&nbsp;
952<br>&nbsp;
953<br>&nbsp;
954<br>&nbsp;
955</body></html>
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