On 05 Oct 2014, at 13:52, Sefer Bora Lisesivdin <[email protected]> wrote:
> Dear all, > > We are studying band structures of semiconductor heterostructures and our > software is using gmsh meshes as its geometric information input. > > For 1D and complex 3D structures, gmsh meshes work well. But for 2D studies > we need uniform meshes. Our 2-dimensional studies include thin film > structures which have few nm layers with smooth interfaces between the layers. > > We tried quadrilateral meshes with symmetrical points to make more uniform. > However, with a small difference in the mesh, we obtained very different > results. > > If you simply google "HEMT mesh" for images, you can see some mesh images of > transistors with uniform triangular or quadrilateral meshes for other > simulators. > > What I looking for is the "rectilinear" grid. Is it possible to make 2D > rectilinear grid with GMSH? Yes: you can use "Transfinite" mesh constraints for this and/or create your geometries with "Extrude" and specify regular grids with the "Layers" command. See tutorial/t6.geo and tutorial/t3.geo for simple examples. > If not, at least may you please suggest some possible programs that can > export in GMSH .msh filetype? > > Best regards, > > Assoc. Prof. Dr. Sefer Bora Lisesivdin, > Gazi University, Department of Physics, > Nanoscale Devices and Carrier Transport Group, > http://sblisesivdin.ndct.org/ > Ankara, TURKEY. > _______________________________________________ > gmsh mailing list > [email protected] > http://www.geuz.org/mailman/listinfo/gmsh -- Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine _______________________________________________ gmsh mailing list [email protected] http://www.geuz.org/mailman/listinfo/gmsh
