Dear Bruno, I am not expert, but OpenFoam has Snappyhex mesh feature that might help you. Check the link below. http://www.wolfdynamics.com/wiki/meshing_OF_SHM.pdf
Regards, Heena On Mon, Jun 8, 2020 at 6:22 PM Bruno Blais <blais.br...@gmail.com> wrote: > Dear all, > I hope you are doing well. > > In my endless quest for robust mesh generation of hex meshes using GMSH, I > have managed to come up with a very robust strategy to generate hex-only > meshes > My only issue (which is a major one) is that this implies that my > decomposition from tet to hex adds nodes that are not "snapped" to the > boundary, but that are only linear interpolation of the other node on the > triangular faces. > Consequently, my quest remains unfulfilled. > > Meshing through high-order and snapping the additional node to a > high-order mesh from within GMSH is very troublesome and not very robust > (and also very time consuming). However, an idea came to mind. > I was wondering if there could be an easy way to "snap" my faces to the > manifold to which they belong. > > My problem is thus the following: > - Given a triangulation and a manifold > - Some nodes are exactly on the manifolds (the original nodes of the tets) > and some are not (the added nodes in the subdivision) > - What would be the best way to deform mesh so that the non-conforming > node get deformed to the position which would be implied by the manifold? I > think I could also make the process more robust by solving an additional > elasticity equation during the deformation to deform the entire mesh > instead of just the nodes close to the manifold. > > > Would any of you have a suggestion on how best to achieve the deformation > of the nodes to match the manifold? > > > -- > The deal.II project is located at http://www.dealii.org/ > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/8d966870-4e33-4915-ad6c-2342018d82c3o%40googlegroups.com > <https://groups.google.com/d/msgid/dealii/8d966870-4e33-4915-ad6c-2342018d82c3o%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/CAG_Oxbi8HmVd26w2ChrtC6yfhCd8k6dV40Kq7apt-sxhUhJodQ%40mail.gmail.com.