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Wall numerical oscillation(rhoCentralFoam,dbnsTurbFoam)) |
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Dear al,
I am currently trying to simulate supersonic flow. But wall numerical oscillations occur using rhoCentralFoam and dbnsTurbFoam solvers. Numerical oscillations are still present for dense grid first layer heights up to 1e-6m.Boundary condition reference tuts case setting. The same problem is also found in another case of a Scramjet engine. Because the file is too large(5mb), it can be emailed to you. I need to know the cause of oscillations and how to eliminate them. Thanks in advance. |
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dbnsturbfoam, foam-extend, openfoam, rhocentralfoam |
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