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Results tagged with openfoam
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user 13154
OpenFOAM is a free, open source CFD software package developed by OpenCFD Ltd at ESI Group and distributed by the OpenFOAM Foundation.
2
votes
1
answer
2k
views
How to calculate skewness for a mesh?
I found the following code used in OpenFOAM to calculate skewness, but the math behind it is not very clear:
Note: the /* */ comments are mine, however, I am not 100% sure about my interpretation of the …
- 304
2
votes
3
answers
522
views
Flux sign and face normal confusion in finite volume method
equation can be further discretized to (using Gaussian quadrature with single integration point):
$$ \sum_{faces} \ (\nabla T .n) S_f = 0$$
My Python solver imports a simple Cartesian (100 x 100 x 1) OpenFOAM … After importing the owner-neighbor OpenFOAM mesh relations, I assumed that the flux is always in the direction from owner to neighbor, so $n$ basically was pointing out of the cell for the faces owned …
- 304
2
votes
2
answers
1k
views
Getting adjacent cells map for an unstructured polyhedral mesh
I am doing a little project on solving the heat equation using finite-volume method on a solid cube, I converted the polyhedral mesh of the cube to an OpenFOAM mesh. …
- 304