8/19/2023 0 Comments Gmsh script windowsWe recommend users to explore the many functionalities of Gmsh. To create an image, go to File -> Export (or press Ctrl+E)and type in a file name with a. To change the scale of a field visualization Tools → Options → View and change the Min and Max values To visualize the surfaces or volumes without any field, go to Tools -> Options -> Mesh and click on Surface Faces or Volume Faces You can select the field to be visualized by checking the boxes in the left of the Gmsh window Selecting 1001 and clicking in Apply, we can see the white matter surface You can select multiple surfaces or volumes by holding Ctrl. The only exception are the electrode contacts, numbered 2100+. For example, 1002 corresponds to the gray matter surface. The corresponding surfaces have the number 1000 + volume value. The result file will be named “cube.rmed”, you can rename it simply as “d” in this case, since it does not contain any result.Select surfaces and volumes to be visualized. To run the calculation from command line you can use the “–quick” option of as_run: as_run -quick m cube.mail cube.rmed This is all you need to convert your MAIL format into the MED file: Code_Aster will simply open the first one with LIRE_MAILLAGE(FORMAT=”ASTER”) and write it back with IMPR_RESU(FORMAT=”MED”…). IMPR_RESU(FORMAT="MED",RESU=_F(MAILLAGE=MAIL)) You need to write a very short command file, let’s call it m : DEBUT() If you want, you can also convert this file in the MED format, which is a binary format that you can open using Salome or Gmsh. Now you can use this file in any Code_Aster study, for example by using this line in a command file. The groups will be really helpful when writing the Code_Aster command file, for example “GN_DDLX” are nodes that should be blocked in the DX dof, GN_DDLY for DY, etc. This script should create a valid file for Code_Aster in MAIL format.īy looking at the conversion result, you will see that the script created much more than node coordinates and element connectivity: many node and element groups are present.
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