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crucial settings with respect to fvSchemes and fvSolution to achieve convergence |
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March 1, 2015, 15:31
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crucial settings with respect to fvSchemes and fvSolution to achieve convergence
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SM
Join Date: Dec 2010
Posts: 97
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I am trying to do RANS of pulsating flow in a 2-D diffuser.
I use pimpleFoam solver and the settings are copied from pitzDaily case. While giving uniform inlet velocity I have a converged solution with a very small deltaT. However when I run a simulation with pulsating inflow the simulation diverges. I am using kEpsilon with average y+ 22. What are the most crucial settings with respect to fvSchemes and fvSolution to achieve convergence (for different solvers as well)? |
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