‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ Le mardi, novembre 20, 2018 10:07 AM, Abiti Adili <[email protected]> a écrit :
> Thank you very much for your time. You're welcome. > I am a quite a beginner in Gmsh and I am grateful for your kind reply. I > would appreciate it if I could ask the following questions. Do remember to 'reply all' so that the conversation remains on the list for all to see. > (1) Does that mean I have to define a physical volume for the sphere as well? Yes. > (2) I might not have understood what you meant and I am a little bit confused > about the idea of including the whole .geo file into the scripts that define > the subdomain. "Include" is a keyword in the Gmsh GEO file syntax; see http://gmsh.info/doc/texinfo/gmsh.html#index-Include-char_002dexpression_003b The idea is to have something like the "sphere.geo" attached. In full, it is: Include "geometry.geo"; Physical Volume("sphere") = {1}; And then similarly for the box. > If I assume the .geo file I included in my last email is geometry.geo and it > creates cube with a sphere in it. Would it be possible for you to give a bit > more elaboration on how the idea of splitting and syntax of inclusion achieve > the mesh for my desired subdomain? Sure. See attached. Actually I missed a couple of defects in the original GEO code: * The Volume defined there is the whole box, and hasn't had the sphere subtracted. It should read Volume(1) = {1}; // the sphere Volume(2) = {1, 2}; // outside the sphere * Don't define any physical entities in the common geometry.geo file. These are rectified in the attached geometry.geo.
sphere.geo
Description: application/vnd.dynageo
box.geo
Description: application/vnd.dynageo
geometry.geo
Description: application/vnd.dynageo
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