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Non-orthogonality problem in trimmed mesh of Star CCM+ for OpenFOAM |
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June 8, 2022, 13:59 |
Non-orthogonality problem in trimmed mesh of Star CCM+ for OpenFOAM
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New Member
Ali Can
Join Date: Apr 2021
Posts: 28
Rep Power: 5 |
hello dear foamers,
I am going to simulate cavity flow at a Mach number of 1.71 using OpenFOAM. However, I have difficulties with meshing process. I am using Star CCM+ for trimmed mesh. In boundary layer, non-orthogonal faces increasing while approaching cavitys edges (please see the images below). Is there any way to decrease non-orthogonality? Due to the high speed, my first layer thickness for y+ around 1 is quite small and I need to keep aspect ratio below 1000 for OpenFOAM. Thats why I am not using Pointwise. Its cost is vast. thanx in advance... |
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