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Problem with Presto! scheme using cartesian mesh

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October 3, 2014, 14:48	Problem with Presto! scheme using cartesian mesh	#1
lakhi New Member Join Date: Oct 2010 Posts: 20 Rep Power: 15	Dear all, I want to simulate swirl flow using Presto! discretization scheme on cut cell cartesian mesh, which I created using ansys workbench, and I'm using Reynolds stress model. I'm getting turbulence viscosity ratio limitation with Presto scheme, and using Standard algorithm does not create any problem. In my case Reynolds number is very high (2.8e+05), so I think Presto scheme shall always be preferred. Does anyone have any experience of carrying out simulations on cartesian mesh using Presto scheme? Any suggestions to sort out this problem?

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