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3<meta http-equiv="CONTENT-TYPE" content="text/html; charset=windows-1252"><title>PALM
4chapter 3.7</title> <meta name="GENERATOR" content="StarOffice 7 (Win32)"> <meta name="AUTHOR" content="Siegfried Raasch"> <meta name="CREATED" content="20040809;13460943"> <meta name="CHANGED" content="20041112;15085727"> <meta name="KEYWORDS" content="parallel LES model"> <style>
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10<body style="direction: ltr;" lang="en-US"><h3 style="line-height: 100%;">3.7 Optional software packages</h3>
11<p style="line-height: 100%;">Starting from version 2.1
12PALM includes
13so-called software packages which can be used optionally. These
14software packages are part of the model, but they are not compiled with
15the default model
16installation (actually, the routines of the corresponding packages are
17compiled within the installation, but these subroutines are empty,
18i.e. they do not contain any executable statements). Thus the
19compilation time as well as the memory demand of the model is limited
20to the real needs. </p>
21<p style="line-height: 100%;">To use software packages in
22a model run,
23they must be requested with <b>mrun</b> option <tt><font style="font-size: 10pt;" size="2">-p</font>.</tt>
24Then the subroutines belonging to the respective package are
25additionally compiled for the run (and the respective restart
26runs; the filenames of these subroutines are also displayed on the
27terminal after <b>mrun</b> has been called). If one wants
28to use e.g.
29the two packages with the names
30<tt>package1</tt> and <tt>package2</tt>, then
31the <b>mrun</b> call
32has to be: </p>
33<ul> <p style="line-height: 100%;"><tt><font style="font-size: 10pt;" size="2">mrun ... -p
34&ldquo;package1 package2&rdquo; </font>.</tt></p>
35</ul><p style="line-height: 100%;">Starting from version 3.2, the particles-package is part of the default model, so it does not have to be switched on using <span style="font-weight: bold;">mrun</span>-option <span style="font-family: Courier New,Courier,monospace;">-p</span>. However, the respective parameters have still to be set by using the NAMELIST group <span style="font-family: Courier New,Courier,monospace;">particles_par</span>.</p><p style="line-height: 100%;">Further package
36names can be added to
37the list, separated by blanks. If the respective packages permit user
38steering, the appropriate parameters must be given at the end of
39the file <a href="chapter_3.4.html#PARIN">PARIN</a>.
40They must be given <b>before</b> possible user-defined
41parameters!
42Each package requires its own NAMELIST group. The respective NAMELIST
43group name is given in the table below. For the example above one
44would have to add the following lines to PARIN (example): &nbsp; </p>
45<ul> <p style="line-height: 100%;"><tt><font style="font-size: 10pt;" size="2">&amp;namelist_packagename1
46var1 = 1,0, var2 =
47&ldquo;abcd&rdquo; /</font></tt><font style="font-size: 10pt;" size="2"> </font> </p>
48<p style="line-height: 100%;"><tt><font style="font-size: 10pt;" size="2">&amp;namelist_packagename2
49var3 = .TRUE.,
50var4 = 0 /</font></tt></p>
51</ul><p style="margin-bottom: 0cm; line-height: 100%;">The
52following
53packages are available: <br>
54&nbsp; <br>
55&nbsp; </p>
56<table border="1" cellpadding="2" cellspacing="2" width="100%"> <tbody> <tr> <td> <p><b>Package
57name:</b></p> </td> <td> <p><b>NAMELIST
58group name:</b></p> </td> <td> <p><b>Functionality:</b></p>
59</td> <td> <p><b>Control parameter:</b></p>
60</td> </tr> <tr valign="top"> <td> <p>--- (see above)</p>
61</td> <td> <p>particles_par</p> </td> <td>
62<p>Release and advection of particles. The particle sources can
63additionally be defined by the user in subroutine <tt><font style="font-size: 10pt;" size="2">user_init_particles</font></tt>
64.</p> </td> <td> <p>see section 4.2</p>
65</td> </tr> <tr valign="top"> <td> <p>dvrp_graphics</p>
66</td> <td> <p>dvrp_graphics_par</p> </td>
67<td> <p>Graphical output with the dvrp software of the
68RRZN. This is
69only available on the IBM Regatta "hanni" of the HLRN. Possible output
70are iso-surfaces, cross-sections and particles (if the particle package
71is selected). The use of this package is described in section <a href="chapter_4.5.7.html">4.5.7</a>.</p> </td>
72<td> <p>see section 4.2</p> </td> </tr>
73<tr valign="top"> <td> <p>spectra</p> </td>
74<td> <p>spectra_par</p> </td> <td> <p>Computation
75and output of horizontal power spectra of the
76prognostic variables. </p> </td> <td> <p>see
77section <a href="chapter_4.2.html#spectra_package">4.2</a></p>
78</td> </tr> </tbody>
79</table><hr>
80<p style="line-height: 100%;"><br><font color="#000080"><font color="#000080"><a href="chapter_3.6.html"><font color="#000080"><img src="left.gif" name="Grafik1" align="bottom" border="2" height="32" width="32"></font></a><a href="index.html"><font color="#000080"><img src="up.gif" name="Grafik2" align="bottom" border="2" height="32" width="32"></font></a><a href="chapter_4.0.html"><font color="#000080"><img src="right.gif" name="Grafik3" align="bottom" border="2" height="32" width="32"></font></a></font></font></p>
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