Hello,all. I want to give specific material properties to specific mesh element. For example, create a cirlce in COMSOL, create material and mesh. Set the permittivity as 1 in material for the whole circle. Now, I want to set the permittivity as 27 for a certain mesh element of the circle, and the rest mesh elements is still 1. BUT the mesh is not a geometric entity, so I don't know how to set it. Matlab&COMSOL can be used. If anyone knows how to set it, please contact me. Looking forward to your reply. Thanks.
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