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-   -   Extrapolation of values in axisymmetric geometry (http://www.cfd-online.com/Forums/openfoam/108931-extrapolation-values-axisymmetric-geometry.html)

julmh November 5, 2012 08:46

Extrapolation of values in axisymmetric geometry
 
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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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