Hi - structured meshes require a simple topology. Take a look e.g. at tutorial/t6.geo, which shows how to definite transfinite interpolation on a surface by specifying the 4 "logical" corners in the interpolation.
Christophe On 15 Jan 2013, at 22:59, Maciej Piechotka <[email protected]> wrote: > Hi, > > Sorry for asking probably very basic question, but despite trying, reading > several tutorials etc. I have problems with created 2D structured mesh > (probably > because I have no idea what actually extrude does). > > I simply need to include graphics comparing unstructured and structured mesh > in > report (later in thesis). I created a simple mesh: > > Point(1) = {0, 0, 0, 1.0}; > Point(2) = {0, 1, 0, 1.0}; > Point(3) = {1, 1, 0, 1.0}; > Point(4) = {1, 0, 0, 1.0}; > Point(5) = {0.5, 0.5, 0, 1.0}; > Point(6) = {0.75, 0.5, 0, 1.0}; > Point(7) = {0.25, 0.5, 0, 1.0}; > Circle(1) = {7, 5, 6}; > Circle(2) = {6, 5, 7}; > Line(3) = {1, 2}; > Line(4) = {2, 3}; > Line(5) = {3, 4}; > Line(6) = {4, 1}; > Line Loop(7) = {3, 4, 5, 6}; > Line Loop(8) = {2, 1}; > Plane Surface(9) = {7, 8}; > > Creating unstructured mesh in gmsh was trivial - however when I tried to > followed demos/hex.geo example suddenly the mesh started behave > strangely (for example suddenly parts move outside volume [from what > I understend I need to partition 3D]). How can I mesh the above surface? > > Thank you very much for help (the only people using gmsh I have access to work > on unstructured meshes and I need to create mesh just for my report). > > Best regards > > > _______________________________________________ > 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
