Changes between Version 78 and Version 79 of doc/app/runtime_parameters


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Timestamp:
Sep 14, 2010 11:53:58 AM (15 years ago)
Author:
weinreis
Comment:

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  • doc/app/runtime_parameters

    v78 v79  
    394394This parameter can be used to assign the temporal interval at which profile data shall be output. Reference time is the beginning of the simulation, thus t = 0. For example if '''dt_dopr_listing''' = ''1800.0'', then output takes place at t = 1800.0, 3600.0, 5400.0, etc. Since profiles can not be calculated for times lying within a time step interval, the output times can deviate from these theoretical values. If a time step ranges from t = 1799.8 to t = 1800.2, then in the example above the output would take place at t = 1800.2. In general, the output always lie between t = 1800.0 and t = 1800.0 + [#dt dt] (numbers are related to the example above). If the model uses a variable time step, these deviations from the theoretical output times will of course be different for each output time.\\\\
    395395In order to guarantee an output of profile data at the end of a simulation (see [#end_time end_time]) in any way, end_time should be a little bit larger than the respective theoretical output time. For example, if '''dt_dopr_listing''' = ''900.0'' and ''3600.0'' seconds are to be simulated, then it should be at least '''end_time''' > ''3600.0 + [#dt dt]''. If variable time steps are used (which is the default), '''dt''' should be properly estimated.\\\\
    396 Data and output format of the file [[../iofiles#LIST_PROFIL|LIST_PROFIL)]] is internally fixed. In this file the profiles of the most important model variables are arranged in adjacent columns.
     396Data and output format of the file [[../iofiles#LIST_PROFIL|LIST_PROFIL]] is internally fixed. In this file the profiles of the most important model variables are arranged in adjacent columns.
     397}}}
     398|----------------
     399{{{#!td style="vertical-align:top"
     400[=#dt_dots '''dt_dots''']
     401}}}
     402{{{#!td style="vertical-align:top"
     403R
     404}}}
     405{{{#!td style="vertical-align:top"
     406see right
     407}}}
     408{{{#!td
     409Temporal interval at which time series data shall be output (in s).\\\\
     410The default interval for the output of timeseries is calculated as shown below (this tries to minimize the number of calls of {{{flow_statistics}}})
     411   {{{{IF ( averaging_interval_pr == 0.0 )  THEN
     412     dt_dots = MIN( dt_run_control, dt_dopr )
     413   ELSE
     414     dt_dots = MIN( dt_run_control, dt_averaging_input_pr )
     415   ENDIF}}}}
    397416}}}
    398417|----------------