> Hi all, > > I am using the background mesh to implement adaptive mesh refinement. Based > on previous discussions in this forum, I assume that the value at the > vertices of background mesh is the length of target element edge. So my > question is: if I know the target element volume, how can I transform this > volume to the length of element edge, especially for 2D triangular and 3D > tetrahedral elements? > > If Gmsh has a way to do this, I want to keep consistent with it. > > Thanks, > > -- > Ziyu ZHANG
Hi Ziyu, The simplest idea that comes to my mind: If you assume that the mesh is isotropic and the mesh generator aims at creating the most regular shape you can calculate target edge length from the volume assuming equilateral triangle or regular tetrahedron. Regards, Roman -- Roman Putanowicz, PhD < [email protected] > Institute for Computational Civil Engng (L-5) Dept. of Civil Engng, Cracow Univ. of Technology www.l5.pk.edu.pl, tel. +48 12 628 2569, fax 2034 _______________________________________________ gmsh mailing list [email protected] http://www.geuz.org/mailman/listinfo/gmsh
