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time average of pressure and skin friction coefficient in the entire domain |
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#1 |
Member
subhankar
Join Date: May 2016
Posts: 36
Rep Power: 10 ![]() |
Hello folks,
I am solving for flow past a cylinder. After running the simulations i now want to get time average pressure and skin friction coefficient for entire domain and averaging has to be done for a certain interval of time. Can anybody tell how to go for it. thanks and regards |
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#2 |
Senior Member
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Hi,
Based on what the source code documentation says, these functionobjects should give you the average pressure and wallshearstress for the entire domain. You than just need to do the division by the dynamic pressure in ParaView, to get coefficients. Code:
wallShearStress { type wallShearStress; functionObjectLibs ("libutilityFunctionObjects.so"); writeControl writeTime; log off; //optional } fieldAverage { type fieldAverage; functionObjectLibs ( "libfieldFunctionObjects.so" ); writeControl writeTime; resetOnOutput true; //optional timeStart 3000; //optional fields ( p { mean on; prime2Mean off; base time; window 10.0; //optional windowName w1; } wallShearStress { mean on; prime2Mean off; base time; window 10.0; //optional windowName ws1; } ); } Tom |
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#3 |
Member
subhankar
Join Date: May 2016
Posts: 36
Rep Power: 10 ![]() |
Thanks a ton Tom
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