Changes between Version 74 and Version 75 of doc/app/initialization_parameters

Timestamp:

Sep 14, 2010 3:46:46 PM (14 years ago)

Author:

kanani

Comment:

--

doc/app/initialization_parameters

@@ -638 +638 @@
 Grid level at which data shall be gathered on PE0.\\\\
 In case of a run using several PEs and the multigrid method for solving the Poisson equation for perturbation pressure (see [#psolver psolver]), the value of this parameter defines on which grid level the data are gathered on PE0 in order to allow for a further coarsening of the grid. The finest grid defines the largest grid level. By default, the gathering level is determined automatically and displayed in file [../iofiles#RUN_CONTROL RUN_CONTROL]. It is only possible to gather data from a level larger than the one determined automatically. A test run may be neccessary to determine this level.
+}}}
+|----------------
+{{{#!td style="vertical-align:top"
+[=#nsor '''nsor''']
+}}}
+{{{#!td style="vertical-align:top"
+I
+}}}
+{{{#!td style="vertical-align:top"
+20
+}}}
+{{{#!td
+Number of iterations to be used with the SOR-scheme.\\\\
+This parameter is only effective if the SOR-scheme is selected as pressure solver ([#psolver psolver] = '' 'sor' ''). The number of iterations necessary for a sufficient convergence of the scheme depends on the grid point numbers and is to be determined by appropriate test runs (the default value will not at all be sufficient for larger grid point numbers). The number of iterations used for the first call of the SOR-scheme (t = 0) is determined via the parameter [#nsor_ini nsor_ini].
+}}}
+|----------------
+{{{#!td style="vertical-align:top"
+[=#nsor_ini '''nsor_ini''']
+}}}
+{{{#!td style="vertical-align:top"
+I
+}}}
+{{{#!td style="vertical-align:top"
+100
+}}}
+{{{#!td
+Initial number of iterations with the SOR algorithm.\\\\
+This parameter is only effective if the SOR algorithm was selected as the pressure solver scheme ([#psolver psolver] = '' 'sor' '') and specifies the number of initial iterations of the SOR scheme (at t = 0). The number of subsequent iterations at the following timesteps is determined with the parameter [#nsor nsor]. Usually nsor < '''nsor_ini''', since in each case subsequent calls to [#psolver psolver] use the solution of the previous call as initial value. Suitable test runs should determine whether sufficient convergence of the solution is obtained with the default value and if necessary the value of '''nsor_ini''' should be changed.
+}}}
+|----------------
+{{{#!td style="vertical-align:top"
+[=#<insert_parameter_name> '''<insert_parameter_name>''']
+}}}
+{{{#!td style="vertical-align:top"
+<insert type>
+}}}
+{{{#!td style="vertical-align:top"
+<insert value>
+}}}
+{{{#!td
+<insert explanation>
 }}}
 |----------------