|November 25, 2008, 13:17||
Hi, all, I am trying to fin
Join Date: Mar 2009
Location: Hong Kong
Posts: 56Rep Power: 10
I am trying to find the "optimum" hybrid RANS-LES model implemented in OpenFOAM.
I tried RANS model before. As I am having lots of flow separations, the results are not that well. On the other hands, LES is just too 'expensive'.
I found DES (or DDES) very attactive.
I read the threads and believe the following models are availiable:
What are the differences among them? (Sorry, I don't have much ideas with these models)
air flow around building(s)
pressure on building is the main concern. Others are not. In fact, 15-20% error is probably acceptable.
Any experience sharings or recommendations are greatly appreciated. It will be great if reference papers are availiable.
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