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porous media velocity results

Question asked by Chris Pellegrino on Apr 17, 2018
Latest reply on Apr 17, 2018 by Chris Pellegrino

How does Flow Simulation calculate the average velocity on the surface of porous media? If I look at a contour or isoline plot of velocity on the surface, the result values make sense. If I ask for the average velocity on the same surface, the average is an order of magnitude higher (even higher than the maximum the contour and isoline plots claim). Is it using a volume average (using the cells inside the porous media) as opposed to an area average on the surface? I noticed that on a vector plot, the velocities are higher inside the porous media (which numerically I can explain due to the small mathematical pores inside the porous media.

 

This disconnect is very annoying.

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