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external pressure coefficients in ANSYS

external pressure coefficients in ANSYS

external pressure coefficients in ANSYS

(OP)
Hi,

I would like to perform a CFD analyse to obtain external pressure coefficients for complicated shape. So I made a simple model to verify the calculation settings and compare the results with known patern (see the attached image). If I know this simple one is correct I want to use the same settings, but with complicated shape. This model seems to work, but there are some convergence difficulties. When I go to post1 and plot the results for the n-1 set I can see almost the same patern as on the image, but values are incorrect. I attached the input file to Ansys as well.
Please help me find out what is wrong.

Thank you
Lubo

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