On 06 Feb 2014, at 10:05, Alexander Tismer <[email protected]> wrote:
> Hello, > > I try to create a boundary layer around a blade of a hydraulic turbine with > gmsh. > > According to the paper “Gmsh: a three-dimensional finite element mesh > generator with built-in pre- and post-processing facilities” (page 18-19) > gmsh is able to create such a layer from a set of source surfaces. For me it > is not really clear how to do it. > Has anybody an example geo file? > Furthermore I want to do that with my own written subclasses of GEdge, GFace > and GVertex using gmsh as a library. Is this also possible? Currently I > created a 3-d mesh of my channel using my own written classes successfully. > However I’m in trouble with the boundary layer creation around the blade, hub > and shroud. > Dear Alexander, The feature mentioned in the paper can be accessed by simply using the "Extrude" command (see the attached example). This creates actual geometrical entities for the layer. A more "classical" boundary layer mesh generator (which does not create new entities, but simply extrudes a layer inside the volume) is also under development, but it's not documented yet. Christophe > Any help is really appreciated. > > Many Thanks > Alex > _______________________________________________ > 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
