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[mesh manipulation] The extracted patch Labels in not proper for different test case. |
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Member
Sunag R A
Join Date: Jul 2019
Location: Bangalore, India
Posts: 82
Rep Power: 7 ![]() |
Dear All,
Here I have a peculiar case where I am confused on how to clear the error from this. Below I am writing step-by-step process of my test case along with images present. Please let me know any possible leads. 1. I am working with chtMultiRegionSimple Foam for heat conduction. I am working for many test cases, so I am using pyFoam for automation. The mesh for each test case looks similar with little coordinate changes. 2. The mesh has two patches. One bottom and 2nd the surface. The surface Patch is divided into two boundary conditions (One for fixed temp BC from external file and other for convection) using PatchToFace and LabelToFace topoSet utility. Below is the topoSet utility for the same. Code:
actions ( { name patchface; type faceSet; action new; source patchToFace; sourceInfo { name "finalmesh_36_right.stl"; } } { name faceID_patch; type faceSet; action new; source labelToFace; sourceInfo { value ( #include "faceID_data" ); }; } ); 3. Here the "faceID_data" is the splitted faces of the convection BC from the labels obtained from "patchface" faceSet. So that the patch is splitted into convection and fixed BC. 4. The problem what I am facing now is such that for few test cases, once the topoSet is run, the alignment of faceID_patch labels is run is not properly arranged which is causing a problem simulation and in visualization. This is happening for only few test cases. 5. Below I have attached the link of different images. Images: a. Complete surface mesh: https://drive.google.com/file/d/1bFY...ew?usp=sharing b. FaceID_patch after splitting ( This is proper alignment for mesh splitting): https://drive.google.com/file/d/11Vm...ew?usp=sharing c. FaceID_patch after spliitng (This for few test cases where alignment is not proper): https://drive.google.com/file/d/12B8...ew?usp=sharing I am particularly worried after "c" in the links because it has to align like "b" in links. Why does it happen and how to overcome it.? Any leads will be appreciated. Thanks, Sunag R A. |
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Tags |
mesh, openfoam, paraview, toposet, visualization |
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