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6  <title>PALM chapter 1.0</title>
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8  <meta content="Marcus Oliver Letzel" name="AUTHOR">
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19<h2 style="line-height: 100%;"><font size="4">1.0 Introduction</font></h2>
20<p style="line-height: 100%;">This documentation wants to give
21assistance how to carry out runs with the large eddy simulation
22model <span
23 style="background: transparent none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;">PALM.</span>
24It contains
25<font color="#000000">instructions</font><font color="#800000"> </font>for
26the installation of the model (<a href="chapter_5.0.html">chapter
275.0</a>), for the practical execution of application runs (<a
28 href="chapter_3.0.html">chapter
293.0</a>) and for the steering of the model by parameters (<a
30 href="chapter_4.0.html">chapter
314.0</a>). New users should first of all read <a href="chapter_2.0.html">chapters
322.0</a> and <a href="chapter_3.0.html">3.0</a>
33(up to and including <a href="chapter_3.5.html">3.5</a>).
35<p style="line-height: 100%;"><b>This documentation does not explain
36the <font color="#000000">mathematical,</font> numerical and physical
37background of large eddy simulation models and it also does not
38provide appropriate meteorological background knowledge. Good
39knowledge concerning this is presupposed and is indispensable for a
40successful application of the model.</b> In addition to this,
41knowledge of the operating system<span
42 style="background: transparent none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;">
43Unix, </span>the <span
44 style="background: transparent none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;">Queueing
45System (NQS, PBS, Load Leveler, etc.)</span> to generate batch jobs,
46the basic functionality of <font color="#000000">parallel computers
47</font>and the programming language <span
48 style="background: transparent none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;">FORTRAN90
49(particularly</span>, if code extensions are to be written by the
50user) are presupposed. Programming user-defined software usually
51requires exact knowledge of the internal model structure. First insight
53 style="background: transparent none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;">n
54<font color="#000000">is
55given</font></span> in <a href="chapter_2.0.html">chapter
562.0</a> and in the <a href="../tec/index.html">technical/numerical
57documentation</a>. The information obtained there is usually not
58<font color="#000000">sufficient</font> and has to be accompanied by
59detailed study of the source code of the model. A<span
60 style="background: transparent none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;">dditional
61</span>experience in parallel programming with the
62message passing interface<span
63 style="background: transparent none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;">
64(MPI)</span> maybe presupposed. </p>
65<p style="line-height: 100%;">A documentation lives on criticism and
66suggestions by users. T<font color="#000000">hi</font>s is expressly
67requested. Please contact&nbsp; the PALM group
69 style="background: transparent none repeat scroll 0% 50%; -moz-background-clip: initial; -moz-background-origin: initial; -moz-background-inline-policy: initial;">see
71 href="">members</a></span>).
72The model documentation is regularly maintained and brought up-to-date
73by the PALM group. The date of the last code
74revision is specified at the top of the table of contents of this
75documentation. <br>
78<hr><font color="#000080"><font color="#000080"><br>
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84<span style="font-style: italic;">Last change:</span> 14/04/05 (SR)<br>
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