Is DNS the final solution of turbulent flow ? -- CFD Online Discussion Forums

August 28, 2003, 07:06	Is DNS the final solution of turbulent flow ?	#1
Li Yang Guest Posts: n/a	Dear All, I have two questions: (1) Is DNS the final solution of turbulent flow ? If yes, can we say that turbulent flow problem is theoretically solved ? What we need to do is waiting until the computer power is good enough. Therefore, what we are doing (RANS or LES) is theoretically meaningless. (2) As we know, the artificial viscosity is needed when using Jameson's central different scheme. But why it seems not appeared in SIMPLE method with central difference scheme ? Regards Li Yang

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