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unsteady 3D simulation of extruded airfoil at 16 deg AoA

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Old   October 10, 2022, 06:55
Default unsteady 3D simulation of extruded airfoil at 16 deg AoA
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Dear All,

I am currently trying to simulate the case of an extruded airfoil at very high AoA (16 degrees) at a Reynolds number of 3 million. I am running a pimpleFoam simulation (URANS). Please find attached, the fvSolution, fvSchemes, and the controlDict files for your reference.

I start the simulation with an automatic time-stepping condition with a maxCo of 10 and gradually increase it to 250 as a CFL of 10 makes the time step very small. It is not feasible to simulate on a 10 mil Hex cells mesh with such small time steps for long. I have also attached an image with my residuals and forces. Can you please help me modify my setup to achieve more accurate results in optimum time?

Thank you!
Attached Files
File Type: txt fvSolution.txt (1.8 KB, 6 views)
File Type: txt controlDict.txt (1.2 KB, 3 views)
File Type: txt fvSchemes.txt (1.3 KB, 4 views)
File Type: pdf History.pdf (50.6 KB, 7 views)
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openfoamv6, pimple transient, unsteady

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