Changes between Version 7 and Version 8 of doc/tec/turbulence_parameterization
- Timestamp:
- Feb 23, 2021 3:22:31 PM (4 years ago)
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doc/tec/turbulence_parameterization
v7 v8 10 10 11 11 PALM is automatically switched into RANS mode if one of the above listed turbulence parameterizations is selected. 12 The turbulence parameterization can be selected via the namelist parameter //[/wiki/doc/app/ini par#turbulence_closure turbulence_closure]//.12 The turbulence parameterization can be selected via the namelist parameter //[/wiki/doc/app/initialization_parameters#turbulence_closure turbulence_closure]//. 13 13 14 14 Prior to r3545, the namelist parameter //rans_mode// needs to be set to //.TRUE.// in addition of selecting one of the turbulence parameterizations if the RANS mode shall be used. … … 26 26 }}} 27 27 where //Pr// denotes the Prandtl number. 28 The model constant //c//,,0,, is set to 0.55 by default, but can be altered via the namelist parameter [/wiki/doc/app/ini par#rans_const_c rans_const_c].28 The model constant //c//,,0,, is set to 0.55 by default, but can be altered via the namelist parameter [/wiki/doc/app/initialization_parameters#rans_const_c rans_const_c]. 29 29 30 30 The TKE is calculated using the following prognostic equation: … … 48 48 }}} 49 49 with //σ//,,e,, = 1. 50 This can be altered via the namelist parameter [/wiki/doc/app/ini par#rans_const_sigma rans_const_sigma].50 This can be altered via the namelist parameter [/wiki/doc/app/initialization_parameters#rans_const_sigma rans_const_sigma]. 51 51 The dissipation rate //ε// of the TKE is calculated via 52 52 {{{ … … 82 82 }}} 83 83 where //Pr// denotes the Prandtl number. 84 The model constant //c//,,0,, is set to 0.55 by default, but can be altered via the namelist parameter [/wiki/doc/app/ini par#rans_const_c rans_const_c].84 The model constant //c//,,0,, is set to 0.55 by default, but can be altered via the namelist parameter [/wiki/doc/app/initialization_parameters#rans_const_c rans_const_c]. 85 85 86 86 The TKE is calculated using the same prognostic equation as the //TKE-l// model. … … 105 105 }}} 106 106 with //σ//,,ε,, = 1.3. 107 This can be altered via the namelist parameter [/wiki/doc/app/ini par#rans_const_sigma rans_const_sigma].107 This can be altered via the namelist parameter [/wiki/doc/app/initialization_parameters#rans_const_sigma rans_const_sigma]. 108 108 The model constants //c//,,1,,, //c//,,2,,, and //c//,,3,, are set to 1.44, 1.92, and 1.44, respectively. 109 These values can be altered via the namelist parameter [/wiki/doc/app/ini par#rans_const_c rans_const_c].109 These values can be altered via the namelist parameter [/wiki/doc/app/initialization_parameters#rans_const_c rans_const_c]. 110 110 111 111 Boundary conditions for //e//, //ε//, and //K//,,m,, are