Changes between Version 11 and Version 12 of doc/tec/sgs


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Timestamp:
Nov 20, 2018 11:29:21 AM (6 years ago)
Author:
gronemeier
Comment:

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  • doc/tec/sgs

    v11 v12  
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    11 == Deardorff subgrid-scale model ==
     11== [=#deardorff_sgs Deardorff subgrid-scale model] ==
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    1313In PALM, the default SGS model uses a 1.5-order closure according to [#deardorff Deardorff (1980)]. PALM applies the modified version of [#moeng Moeng and Wyngaard (1988)] and [#saiki Saiki et al. (2000)]. The closure is based on the assumption that the energy transport by SGS eddies is proportional to the local gradients of the mean quantities and reads
     
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    105 == Dynamic subgrid-scale model ==
     105== [=#dynamic_sgs Dynamic subgrid-scale model] ==
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    107107The dynamic SGS model can be used as an alternative to the Moeng-Wyngaard version of the Deardorff model. In this case, ''K'',,m,, is calculated as