You’ll need the very latest automated build for this to work (3.0.7 git) CG
> On 26 Feb 2018, at 11:13, Marie-Claire Le Pape > <[email protected]> wrote: > > Hello, > > No farfield grid has been created with the .geo file (see .png file and .geo > file) (I've used Mesh/Define/2D). However the farfield is created if commands > relative to the boundary layer are in comments. But perhaps it is a question > of gmsh version (2.13.0) ? > > Remark : when I save the grid containing only the boundary layer into a .p3d > file, this .p3d file is empty. that means that the grid is not a "ijk > structured" grid. > > In the NACA0012 .geo file, I create a "hybrid" grid (eg unstructured+ijk > structured) without using boundary layer gmsh capability. I save the grid > both into a .p3d file (then only the structured part is saved), and into a > .msh file (then all the grid is considered as unstructured). To have > only the farfield grid, I comment lines concerning the structured part and I > save the grid into .msh file. A preprocessing outside gmsh is necessary to > identify connections between both grids. > Marie-Claire > >> Le 24/02/2018 à 11:15, Christophe Geuzaine a écrit : >> >> >>> On 23 Feb 2018, at 09:28, Tommaso Pascon <[email protected]> wrote: >>> >>> Good morning, >>> >>> I'm Tommaso Pascon a Openfoam CFD user who use Gmsh as a mesh generator >>> software. >>> >>> I'm having troubles trying to get an hybrid mesh with a structured boundary >>> layer area around a bluff body and an unstructured region for the rest of >>> my domain. >>> >> >> See e.g. >> https://gitlab.onelab.info/gmsh/gmsh/blob/master/benchmarks/2d/BL2.geo >> >> >>> I tried with boudarylayer field but i can't make it to work apparently so i >>> decided to use the extrusion function. This is working but i can't connect >>> the structured region with the unstructured one. It seems that these two >>> aren't connected together and the unstructured mesh falls into the >>> structured part. >>> >>> What am I missing? I've read a lot of posts on that matter but I still >>> can't find a solution. >>> If it's needed I can upload the geo file >>> >>> Thanks >>> >>> >>> Tommaso Pascon >>> >>> _______________________________________________ >>> 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 >> >> Free software: http://gmsh.info | http://getdp.info | http://onelab.info >> >> >> >> _______________________________________________ >> gmsh mailing list >> [email protected] >> http://onelab.info/mailman/listinfo/gmsh > > <mesh.png> > <bl.geo> > <naca0012.geo> > <naca0012.p3d> > _______________________________________________ > gmsh mailing list > [email protected] > http://onelab.info/mailman/listinfo/gmsh
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