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How to do spatial averaging - LES pipe flows ?

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Old   December 12, 2014, 15:50
Question How to do spatial averaging - LES pipe flows ?
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Hello all,

I am doing LES of pipe flows using OpenFoam 2.2.x. I am using the Smagorinsky model for a Re = 9000, Re_tau = 290. The results for the streamwise velocity I got after time averaging looked something like this:

Clearly, the velocity profile is not axisymmetric. To make it one, I was wanting to carry spatial averaging in the circumferential direction of my results.

Can anyone please tell how spatial averaging is done using the OpenFoam platform? Thanks a lot!
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