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Timestamp:
Mar 13, 2007 2:52:40 AM (18 years ago)
Author:
raasch
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  • palm/trunk/DOC/app/chapter_3.5.2.html

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    17 <h3 style="line-height: 100%;">&nbsp;3.5.2 Definition of user-defined
     3<meta http-equiv="CONTENT-TYPE" content="text/html; charset=windows-1252"><title>PALM
     4chapter 3.5.2</title> <meta name="GENERATOR" content="StarOffice 7 (Win32)"> <meta name="AUTHOR" content="Siegfried Raasch"> <meta name="CREATED" content="20040802;13321506"> <meta name="CHANGED" content="20041112;14455666"> <meta name="KEYWORDS" content="parallel LES model"> <style>
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     9<body style="direction: ltr;" lang="en-US"><h3 style="line-height: 100%;">&nbsp;3.5.2 Definition of
     10user-defined
    1811parameters</h3>
    19 <p style="line-height: 100%;">As for the model in general, also the
     12<p style="line-height: 100%;">As for the model in general,
     13also the
    2014user-defined code will have to be steered by parameters. For each
    2115run the model should to be able to read in current values of these
    … …  
    2519This module must be declared in all relevant user-defined routines via
    2620a USE statement, in order to make the parameters available. </p>
    27 <p style="line-height: 100%;">The user can assign values to the
     21<p style="line-height: 100%;">The user can assign values
     22to the
    2823user-defined parameters within the NAMELIST group <tt><font style="font-size: 11pt;" size="2">&amp;userpar
    29 <font size="3"><font face="Thorndale, serif">in the local file</font></font>
     24<font size="3"><font face="Thorndale, serif">in
     25the local file</font></font>
    3026<a href="chapter_3.4.html#PARIN">PARIN</a></font></tt>.
    3127This NAMELIST group must be located after the initialization
    … …  
    3329</font><tt><font style="font-size: 10pt;" size="2">&amp;d3par</font></tt>)
    3430(see <a href="chapter_4.0.html">chapter
    35 4.0</a>). Before values of the user-defined parameters can be assigned,
     314.0</a>). Before values of the user-defined parameters can be
     32assigned,
    3633the parameters must be declared within the appropriate NAMELIST
    3734statement in the user-defined subroutine <tt><font style="font-size: 10pt;" size="2">user_parin</font></tt>.
    3835</p>
    39 <p style="line-height: 100%;">The following example illustrates the
     36<p style="line-height: 100%;">The following example
     37illustrates the
    4038procedure. The example assumes that the user declares a
    4139LOGICAL variable named <tt><font style="font-size: 10pt;" size="2">abcd</font></tt>
    4240for steering the user-defined code. This variable
    4341must be declared in the module <tt>user</tt>: </p>
    44 <ul>
    45   <p style="line-height: 100%;"><tt><font style="font-size: 10pt;" size="2">LOGICAL:: abcd = .FALSE.</font></tt></p>
    46 </ul>
    47 <p style="line-height: 100%;">Pay attention that in this example a
     42<ul> <p style="line-height: 100%;"><tt><font style="font-size: 10pt;" size="2">LOGICAL:: abcd =
     43.FALSE.</font></tt></p>
     44</ul><p style="line-height: 100%;">Pay attention
     45that in this example a
    4846default value (.FALSE.) is assigned to the variable and it will keep
    4947this value if nothing else is assigned within the file <tt>PARIN</tt>.
    50 In <tt><font style="font-size: 10pt;" size="2">user_parin</font> <font face="Thorndale, serif">the</font></tt>
     48In <tt><font style="font-size: 10pt;" size="2">user_parin</font>
     49<font face="Thorndale, serif">the</font></tt>
    5150NAMELIST must be extended by the name of the new variable: </p>
    52 <ul>
    53   <p style="line-height: 100%;"><tt><font style="font-size: 10pt;" size="2">NAMELIST /userpar/ &nbsp;abcd, data_output_user, region.</font></tt></p>
    54 </ul>
    55 <p style="line-height: 100%;">In the parameter file PARIN a value can
     51<ul> <p style="line-height: 100%;"><tt><font style="font-size: 10pt;" size="2">NAMELIST /userpar/
     52&nbsp;abcd, data_output_user, region.</font></tt></p>
     53</ul><p style="line-height: 100%;">In the parameter
     54file PARIN a value can
    5655be assigned: </p>
    57 <ul>
    58   <p style="line-height: 100%;">. <br>
    59 . <br>
    60   <tt><font style="font-size: 10pt;" size="2">&amp;userpar abcd = .T.,</font></tt><font style="font-size: 10pt;" size="2"> ...</font></p>
    61 </ul>
    62 <p style="line-height: 100%;">User defined parameters in the file PARIN
     56<ul> <p style="line-height: 100%;">. <br>
     57. <br> <tt><font style="font-size: 10pt;" size="2">&amp;userpar abcd = .T.,</font></tt><font style="font-size: 10pt;" size="2"> ...</font></p>
     58</ul><p style="line-height: 100%;">User defined
     59parameters in the file PARIN
    6360are
    6461considered as run parameters, i.e. they must be specified again for
    6562each restart run.</p>
    66 <p style="line-height: 100%;">In each case the user should carry out
     63<p style="line-height: 100%;">In each case the user should
     64carry out
    6765a control output of the parameter values, so
    6866that their values during the respective model run are really known. For
    … …  
    7371is available. <br>
    7472&nbsp; </p>
    75 <hr>
    76 <p style="line-height: 100%;"><br>
     73<hr><p style="line-height: 100%;"><br>
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