Extrapolation of values in axisymmetric geometry -- CFD Online Discussion Forums

November 5, 2012, 07:46

Extrapolation of values in axisymmetric geometry

julmh

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Julie Marie

Join Date: Oct 2012

Location: Trondheim, Norway

Posts: 3

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Hi,

working on a case where entrance length in laminar pipe flow is evaluated for different meshes. When using an axisymmetric geometry the value for U will be slightly off-center, so I would like to extrapolate values from the outer cells to predict the correct velocity in the center of the pipe. Any ideas on how to do this?

Is it better to export data from openFOAM to ex. MATLAB and then perform the extrapolation?

Thanks.

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