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6  <title>PALM chapter 3.7</title>
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8  <meta name="AUTHOR" content="Siegfried Raasch">
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19<h3 style="line-height: 100%;">3.7 Optional software packages</h3>
20<p style="line-height: 100%;">Starting from version 2.1 PALM includes
21so-called software packages which can be used optionally. These
22software packages are part of the model, but they are not compiled with
23the default model
24installation (actually, the routines of the corresponding packages are
25compiled within the installation, but these subroutines are empty,
26i.e. they do not contain any executable statements). Thus the
27compilation time as well as the memory demand of the model is limited
28to the real needs. </p>
29<p style="line-height: 100%;">To use software packages in a model run,
30they must be requested with <b>mrun</b> option <tt><font
31 style="font-size: 10pt;" size="2">-p</font>.</tt>
32Then the subroutines belonging to the respective package are
33additionally compiled for the run (and the respective restart
34runs; the filenames of these subroutines are also displayed on the
35terminal after <b>mrun</b> has been called). If one wants to use e.g.
36the two packages with the names
37<tt>package1</tt> and <tt>package2</tt>, then the <b>mrun</b> call
38has to be: </p>
40  <p style="line-height: 100%;"><tt><font style="font-size: 10pt;"
41 size="2">mrun ... -p “package1 package2” </font>.</tt></p>
43<p style="line-height: 100%;">Further package names can be added to
44the list, separated by blanks. If the respective packages permit user
45steering, the appropriate parameters must be given at the end of
46the file <a href="chapter_3.4.html#PARIN">PARIN</a>.
47They must be given <b>before</b> possible user-defined parameters!
48Each package requires its own NAMELIST group. The respective NAMELIST
49group name is given in the table below. For the example above one
50would have to add the following lines to PARIN (example): &nbsp; </p>
52  <p style="line-height: 100%;"><tt><font style="font-size: 10pt;"
53 size="2">&amp;namelist_packagename1 var1 = 1,0, var2 =
54“abcd” /</font></tt><font style="font-size: 10pt;" size="2"> </font> </p>
55  <p style="line-height: 100%;"><tt><font style="font-size: 10pt;"
56 size="2">&amp;namelist_packagename2 var3 = .TRUE.,
57var4 = 0 /</font></tt></p>
59<p style="margin-bottom: 0cm; line-height: 100%;">The following
60packages are available: <br>
61&nbsp; <br>
62&nbsp; </p>
63<table border="1" cellpadding="2" cellspacing="2" width="100%">
64  <tbody>
65    <tr>
66      <td>
67      <p><b>Package name:</b></p>
68      </td>
69      <td>
70      <p><b>NAMELIST group name:</b></p>
71      </td>
72      <td>
73      <p><b>Functionality:</b></p>
74      </td>
75      <td>
76      <p><b>Control parameter:</b></p>
77      </td>
78    </tr>
79    <tr valign="top">
80      <td>
81      <p>particles</p>
82      </td>
83      <td>
84      <p>particles_par</p>
85      </td>
86      <td>
87      <p>Release and advection of particles. The particle sources can
88additionally be defined by the user in subroutine <tt><font
89 style="font-size: 10pt;" size="2">user_init_particles</font></tt> .</p>
90      </td>
91      <td>
92      <p>see section 4.2</p>
93      </td>
94    </tr>
95    <tr valign="top">
96      <td>
97      <p>dvrp_graphics</p>
98      </td>
99      <td>
100      <p>dvrp_graphics_par</p>
101      </td>
102      <td>
103      <p>Graphical output with the dvrp software of the RRZN. This is
104only available on the IBM Regatta "hanni" of the HLRN. Possible output
105are iso-surfaces, cross-sections and particles (if the particle package
106is selected). The use of this package is described in section <a
107 href="chapter_4.5.7.html">4.5.7</a>.</p>
108      </td>
109      <td>
110      <p>see section 4.2</p>
111      </td>
112    </tr>
113    <tr valign="top">
114      <td>
115      <p>spectra</p>
116      </td>
117      <td>
118      <p>spectra_par</p>
119      </td>
120      <td>
121      <p>Computation and output of horizontal power spectra of the
122prognostic variables. </p>
123      </td>
124      <td>
125      <p>see section <a href="chapter_4.2.html#spectra_package">4.2</a></p>
126      </td>
127    </tr>
128  </tbody>
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139<p style="line-height: 100%;"><i>Last change:&nbsp;</i> 15/04/05 (SR)</p>
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