Thank you, That resolves the issue.
Juan On Tue, Aug 20, 2019 at 8:22 AM Christophe Geuzaine <[email protected]> wrote: > > Hi Juan, > > Removing the line: > > Mesh.RandomFactor=1e-5; /*perturbation*/ > > seems to fix the issue. > > Christophe > > > > > On 19 Aug 2019, at 02:16, Juan Sanchez <[email protected]> wrote: > > > > I am trying to use a background mesh for refinement of my 2d structure. > The 2 bad triangles have a gamma of zero. > > > > in this figure: > > > > <image.png> > > They are formed by nodes: > > element: 44333 nodes: 425 426 424 > > element: 44334 nodes: 426 427 424 > > > > which results in two overlapping flat triangles. > > > > Would someone know how to fix these bad elements? My solver is unable > to work with this mesh because it cannot calculate the control volume for > these triangles. > > > > I am using the latest Gmsh on macOS: > > 4.4.1 > > > > The command used is: > > gmsh -2 -format 'msh2' -bgm ./bgmesh.pos gmsh_mos2d.geo > > > > The files are here: > > > https://github.com/devsim/devsim_misc/blob/master/refinement/gmsh_mos2d.geo > > https://github.com/devsim/devsim_misc/blob/master/refinement/bgmesh.pos > > > > and the output is here: > > > https://github.com/devsim/devsim_misc/blob/master/refinement/gmsh_mos2d.msh > > > > Regards, > > > > Juan > > > > > > > > _______________________________________________ > > 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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