|November 15, 2011, 05:32||
local coordinate system for porousZone
Join Date: Apr 2011
Location: Magdeburg, Germany
Posts: 23Rep Power: 4
I am working with porous media, simulating the resin flow in laminate systems. In my case the permeability is anisotropic, so depending on the direction of the reinforcement. So far I was able to define some porousZones with different coordinate systems.
But if I have a geometry with radii, I need to define a local coordinate system for each cell (shown in the attachment) in order to define the permeabilities kx, ky, (kz, later for 3d problems). At the moment, I could only define the local coordinate sytems manually in the meshing preprocessor, but that would be time consuming for larger geometries.
So the objective is to define a local coordinate system for each cell automatically and store it in the "/constant/porousZone" file.
Note: the y1, y2, ..., yn axis should be perpendicular to the nearest wall and the x1, x2, ..., xn axis is tangential to the nearest wall.
Up to now I could not find any tool in OpenFOAM solving exactly that problem and I am unfortunatly not a Pro in programming C++. Does anyone have an idea about it?
Thanks in advance for any advice.
|coordinate system, local, permeability|
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