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[Gmsh] how split mesh perimeter line to four sides

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Old   February 14, 2018, 17:37
Default how split mesh perimeter line to four sides
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kostas trak
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hello to cfd community,
newbie, and I would like your help,
I have create an unstructured rectangular mesh (2D) which includes one line at the perimeter. I would like to split this line to four lines; each for each side: north, west, south, east. The format of the mesh is .msh and .mesh. I used gmsh to create the initial mesh, and mmg2d library to improve the quality of elements.
Please, does anyone knows any open source tool, or could suggest a way to make the split? I tried gmsh but it does not work; and I assume because I do not have points at the corner of the rectangular,
any help is more than welcome,
thank you,
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gmsh boundary layer, mesh, mesh 2d, split mesh

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