Convergency -- CFD Online Discussion Forums

April 3, 2008, 02:03	Convergency	#1
Pandaren Brewmaster Guest Posts: n/a	My FD CFD code has a bad convergency. 2nd TVD scheme,k-omega SST turbulence model. The residual can only be reduced 3 orders of magnitude with a CFL less than 0.5. Why? Is there any way to improve it?

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