Changes between Version 121 and Version 122 of doc/app/chemistry_parameters


Ignore:
Timestamp:
Feb 4, 2020 10:24:25 AM (4 years ago)
Author:
forkel
Comment:

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  • doc/app/chemistry_parameters

    v121 v122  
    307307    ICNTRL(4)  -> maximum number of integration steps; For ICNTRL(4) =0) the default value of 100000 is used
    308308
    309 Example:\\
     309Example (recommended values):\\
    310310    '''icntrl'''(3)                  = 1,   ! ros2 (a bit less time consuming than the Rodas3 solver recommended by KPP) \\
    311     '''icntrl'''(4)                  = 500, ! berlin setup  max. number of chem-substeps\\
     311    '''icntrl'''(4)                  = 500, ! max. number of chem-substeps\\
    312312
    313313See http://people.cs.vt.edu/asandu/Software/Kpp/
     
    421421See http://people.cs.vt.edu/asandu/Software/Kpp/
    422422
    423 Example:\\
     423Example (recommended value):\\
    424424    '''rcntrl'''(3)                  = 0.1, ! hstart in sec. Setting of hstart can result in savoings of computstinal time of 30% and more.
    425425
     
    515515=== Initial & lateral boundary conditions ===
    516516
     517'''NAMELIST group name: {{{initialization_parameters}}}'''
     518
    517519||='''Parameter Name''' =||='''Values & Explanation''' =||
    518520|----------------
     
    524526'inifor set_constant_profiles',
    525527}}}
    526 If large-scale forcings from INIFOR are used only for meteorology, then user defined initial concentration and initial vertical [#cs_profiles profiles] can be activated by combining {{{set_constant_profiles}}} with {{{inifor}}} separated by a space only in the [wiki:inipar#initializing_actions initializing_parameters] namelist.
    527 }}}
     528Either {{{set_constant_profiles}}} or a combination of {{{set_constant_profiles}}} and {{{inifor}}} or a combination of both can be applied.
     529As large-scale forcings from [wiki:doc/app/iofiles/inifor INIFOR](i.e. in the _dynamic file, see [../iofiles#PIDS_DYNAMIC PIDS_DYNAMIC]) are currently only available for meteorology, user defined initial vertical [#cs_profiles profiles] from the namelist can be activated by combining {{{set_constant_profiles}}} with {{{inifor}}} separated by a space only in the [wiki:inipar#initializing_actions initializing_parameters] namelist.
     530All variables which are available in _dynamic file are taken from there, variables which are not included in the _dynamic file are initialized with vertical profiles from the namelist.
     531}}}
     532
     533'''NAMELIST group name: {{{nesting_offl_parameters}}}'''
     534
     535||='''Parameter Name''' =||='''Values & Explanation''' =||
     536|----------------
     537{{{#!td style="vertical-align:top; width: 200px"
     538'''nesting_offline = '''
     539}}}
     540{{{#!td style="vertical-align:top; width: 1000px"
     541{{{
     542.TRUE.,
     543}}}
     544Enables offline nesting of the PALM-domain into a larger-scale model (currently only COSMO output can be processed by [wiki:doc/app/iofiles/inifor INIFOR]) by reading lateral and top boundary conditions from the [../iofiles/pids#dynamic_input dynamic] input file. For details and further instructions see [wiki:doc/app/nesting_offl_parameters nesting_offl_parameters].
     545
     546Please apply with caution, since turbulence is underestimated when offline nesting is applied, in particular for small domain sizes.
     547
     548Boundary conditions for meteorological as well as chemistry variables can be used by PALM. However, as large-scale forcings from [wiki:doc/app/iofiles/inifor INIFOR](i.e. in the _dynamic file, see [../iofiles#PIDS_DYNAMIC PIDS_DYNAMIC]) are currently only available for meteorology, values from the initial profiles are used as boundary conditions at inflow for the chemisry variables if no chemistry boundary conditions are included in the [../iofiles/pids#dynamic_input dynamic] file.
     549}}}