> On 1 May 2019, at 01:56, Justin Clough <[email protected]> wrote: > > Hello, > > I need to create a FE mesh for a geometry made of multiple materials using > Gmsh. The original geometry is from other software packages and is read into > Gmsh via .stp files. Each stp file has one component of the larger assemble > and will need its own material properties. > > I'm currently able to read the components into Gmsh and label them with the > `Physical Volume` syntax. The issue is that the surface mesh elements at the > boundaries do not line up with one another; the elements in one component are > not connected to the elements in another. >
You need to fuse the two surfaces: this can be achieved with the "fragment" operation - see attached file.
two_materials_conformal.geo
Description: Binary data
Christophe > I made a similar MWE to my problem (files attached). Here I'm trying to stack > two unit cubes in the X direction. The first is made of copper, the second of > tin. My question is: How would I create a single surface mesh at X=1 which is > shared by the two volume meshes instead of two, independent, surface meshes? > Further, how would I do this if the common surface is very organic in shape? > > Thank you in advance for your help! Please let me know if I can provide any > further information. > > best, > -Justin Clough > <two_materials.geo><copper_box.stp><tin_box.stp>_______________________________________________ > gmsh mailing list > [email protected] > http://onelab.info/mailman/listinfo/gmsh — Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine
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