Changeset 217 for palm/trunk/DOC/app
- Timestamp:
- Dec 9, 2008 6:00:48 PM (16 years ago)
- Location:
- palm/trunk/DOC/app
- Files:
-
- 4 edited
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palm/trunk/DOC/app/chapter_3.5.1.html
r212 r217 106 106 new <a href="chapter_4.1.html#topography">topography</a> mode 107 107 in the <tt><font style="font-size: 10pt;" size="2">SELECT CASE( TRIM(topography) ) </font></tt>command 108 in <tt><font style="font-size: 10pt;" size="2">user_init_grid</font></tt>.108 and the definition of <a href="chapter_4.3.html#topography_grid_convention">topography_grid_convention</a> in <tt><font style="font-size: 10pt;" size="2">user_init_grid</font></tt>. 109 109 Note that the <a href="chapter_4.1.html#topography">topography</a> modes 110 <span style="font-style: italic;">'flat'</span> 111 and <span style="font-style: italic;">'single_building'</span> 112 are not allowed here since these are the standard cases used in the 110 <span style="font-style: italic;">'flat'</span>, <span style="font-style: italic;">'single_building'</span> 111 and <span style="font-style: italic;">'read_from_file'</span> are not allowed here since these are the standard cases used in the 113 112 calling routine <tt><font style="font-size: 10pt;" size="2">init_grid</font></tt>. </p> <p>CPU 114 113 time for <tt><font style="font-size: 10pt;" size="2">user_init_grid</font></tt> 115 114 is considered in the local file <a href="chapter_3.4.html#CPU_MEASURES">CPU_MEASURES</a> 116 115 within the category “initialisation”.</p> </td> 117 </tr> <tr><td style="vertical-align: top;"> In116 </tr> <tr><td style="vertical-align: top;">End of <code>check_parameters</code></td><td style="vertical-align: top;"><code><a name="user_check_parameters"></a>user_check_parameters</code></td><td style="vertical-align: top;">Check &userpar control parameters and deduce further quantities.</td></tr><tr><td style="vertical-align: top;">In 118 117 the middle of <tt><font style="font-size: 10pt;" size="2">init_3d_model.f90</font></tt></td><td style="vertical-align: top;"><span style="font-family: monospace;"></span><tt><font style="font-size: 10pt;" size="2"><font face="Cumberland, monospace"><a name="user_init_3d_model"></a>user_init_3d_<br>model</font></font></tt></td><td style="vertical-align: top;">Initialization of the 3d-model.<br><br>Allows 119 118 the complete initialization of the 3d model. The user is responsible to -
palm/trunk/DOC/app/chapter_4.1.html
r197 r217 13985 13985 13986 13986 13987 The building size and location can be specified with the parameters <a href="#building_height">building_height</a>, <a href="#building_length_x">building_length_x</a>, <a href="#building_length_y">building_length_y</a>, <a href="#building_wall_left">building_wall_left</a> and <a href="#building_wall_south">building_wall_south</a>.<br> 13988 13989 <font color="#000000">Due to the staggered grid the building will be displaced by -0.5 <a href="chapter_4.1.html#dx">dx</a> in x-direction and -0.5 <a href="chapter_4.1.html#dy">dy</a> in y-direction.</font></div> 13987 The building size and location can be specified with the parameters <a href="#building_height">building_height</a>, <a href="#building_length_x">building_length_x</a>, <a href="#building_length_y">building_length_y</a>, <a href="#building_wall_left">building_wall_left</a> and <a href="#building_wall_south">building_wall_south</a>.<font color="#000000"><br></font></div> 13990 13988 13991 13989 … … 14036 14034 information</font></font><font color="#000000"> 14037 14035 in m. These data <span style="font-style: italic;"></span>must 14038 exactly match the horizontal grid.<br> 14039 14040 Due to the staggered grid the topography will be displaced by -0.5 <a href="#dx">dx</a> in x-direction and -0.5 <a href="#dy">dy</a> in y-direction.</font> </div> 14036 exactly match the horizontal grid.<br></font> </div> 14041 14037 14042 14038 … … 14054 14050 </span><font color="#000000"> 14055 14051 Alternatively, the user may add code to the user interface subroutine <a href="chapter_3.5.1.html#user_init_grid">user_init_grid</a> 14056 to allow further topography modes. Again, </font><font color="#000000">due to the staggered grid the topography will be displaced by -0.5 <a href="chapter_4.1.html#dx">dx</a> in x-direction and -0.5 <a href="chapter_4.1.html#dy">dy</a> in y-direction.</font><br>14052 to allow further topography modes. </font>These require to explicitly set the<span style="font-weight: bold;"> </span><a href="chapter_4.3.html#topography_grid_convention">topography_grid_convention</a> to either <span style="font-style: italic;">'cell_edge'</span> or <span style="font-style: italic;">'cell_center'</span>.<br> 14057 14053 14058 14054 <font color="#000000"> -
palm/trunk/DOC/app/chapter_4.3.html
r89 r217 55 55 (1) to <b>region</b> (9)), the total domain has the index 56 56 0 (<b>region</b> 57 (0)).</p> </td> </tr> </tbody> 57 (0)).</p> </td> </tr><tr><td style="vertical-align: top;"><a name="topography_grid_convention"></a><span style="font-weight: bold;">topography_grid_</span><br style="font-weight: bold;"><span style="font-weight: bold;">convention</span></td><td style="vertical-align: top;">C*11</td><td style="vertical-align: top;"><span style="font-style: italic;">default depends on value of <a href="chapter_4.1.html#topography">topography</a>; see text for details</span><span style="font-style: italic;"></span></td><td style="vertical-align: top;">Convention for defining the topography grid.<br><br>Possible values are<br><ul><li><span style="font-style: italic;">'cell_edge': </span>the distance between cell edges defines the extent of topography. This setting is normally for <span style="font-style: italic;">generic topographies</span>, i.e. topographies that are constructed using length parameters. For example, <a href="chapter_4.1.html#topography">topography</a> = <span style="font-style: italic;">'single_building'</span> is constructed using <a href="chapter_4.1.html#building_length_x">building_length_x</a> and <a href="chapter_4.1.html#building_length_y">building_length_y</a>. The advantage of this setting is that the actual size of generic topography is independent of the grid size, provided that the length parameters are an integer multiple of the grid lengths <a href="chapter_4.1.html#dx">dx</a> and <a href="chapter_4.1.html#dy">dy</a>. This is convenient for resolution parameter studies.</li><li><span style="font-style: italic;">'cell_center'</span><span style="font-style: italic;">: </span>the number of topography cells define the extent of topography. This setting is normally for <span style="font-style: italic;">rastered real topographies</span> derived from digital elevation models. For example, <a href="chapter_4.1.html#topography">topography</a> = <span style="font-style: italic;">'read_from_file'</span> is constructed using the input file <a href="chapter_3.4.html#TOPOGRAPHY_DATA">TOPOGRAPHY_DATA</a><font color="#000000">. </font>The 58 advantage of this setting is that the rastered topography cells of 59 the input file are directly mapped to topography grid boxes in PALM. <span style="font-style: italic;"></span></li></ul>The example files for <big><code>sgl_bldg_cell_center</code></big> and 60 <big><code>sgl_bldg_cell_edge</code></big> in <big><code>trunk/EXAMPLES/</code></big> 61 illustrate the difference between 62 both approaches. Both examples simulate a single building and yield the 63 same results. The former uses a rastered topography input file with <span style="font-style: italic;">'cell_center'</span> convention, the latter applies a generic topography with <span style="font-style: italic;">'cell_edge'</span> convention.<br><br>The default value is<br><ul><li><span style="font-style: italic;">'cell_edge' </span>if <a href="chapter_4.1.html#topography">topography</a> = <span style="font-style: italic;">'single_building'</span>,</li><li><span style="font-style: italic;">'cell_center'</span><span style="font-style: italic;"></span> if <a href="chapter_4.1.html#topography">topography</a> = <span style="font-style: italic;">'read_from_file'</span>,</li><li><span style="font-style: italic;">none (' '</span> ) otherwise, leading to an abort if <span style="font-weight: bold;">topography_grid_convention</span> is not set.</li></ul>This means that <br><ul><li>For PALM simulations using a <span style="font-style: italic;">user-defined topography</span>, the<span style="font-weight: bold;"> topography_grid_convention</span> must be explicitly set to either <span style="font-style: italic;">'cell_edge'</span> or <span style="font-style: italic;">'cell_center'</span>.</li><li>For PALM simulations using a <span style="font-style: italic;">standard topography</span> <span style="font-style: italic;">('single_building'</span> or <span style="font-style: italic;">'read_from_file')</span>, it is possible but not required to set the <span style="font-weight: bold;">topography_grid_convention</span> because appropriate default values apply</li></ul></td></tr> </tbody> 58 64 </table><p style="line-height: 200%;"> <br> 59 65 </p> -
palm/trunk/DOC/app/chapter_4.6.html
r197 r217 13787 13787 13788 13788 13789 <tr> 13789 <tr><td style="vertical-align: top;"><a style="font-weight: bold;" href="chapter_4.3.html#topography_grid_convention">topography_grid_convention</a></td><td style="vertical-align: top;">U</td><td style="vertical-align: top;">C * 11</td><td><span style="font-style: italic;">default depends on value of <a href="chapter_4.1.html#topography">topography</a>; see text for details</span><span style="font-style: italic;"></span></td><td style="vertical-align: top;">Convention for defining the topography grid.</td></tr><tr> 13790 13790 13791 13791
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