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-   -   gradient at the border (https://www.cfd-online.com/Forums/openfoam/85625-gradient-border.html)

ginette March 2, 2011 15:55

gradient at the border
 
Dear everyone,

Sorry for the stupid question: I am new to both Finite Volume and OpenFoam.

I am solving some classical elliptic equation. The solution is a volScalarField. I also compute the flux, ie a volVectorField, through fvc::grad. Everything is fine except the value of the gradient at the border cells: much higher!

I guess I am doing something wrong, but can't manage to find what.

Many thanks in advance for your help,
Martin.


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