Re: [petsc-users] Nodes added to Vertex Set

2025-06-12 Thread Matthew Knepley
On Thu, Jun 12, 2025 at 5:19 PM Noam T. via petsc-users < petsc-users@mcs.anl.gov> wrote: > I might be able to answer myself. > > in the $Nodes section, the mid-face nodes are included with dimension 2 > a.k.a faces; e.g. the ninth node > > 2 6 0 1 <-- 2 is the element dimension, 6 is the tag >

Re: [petsc-users] Nodes added to Vertex Set

2025-06-12 Thread Noam T. via petsc-users
I might be able to answer myself. in the $Nodes section, the mid-face nodes are included with dimension 2 a.k.a faces; e.g. the ninth node 2 6 0 1 <-- 2 is the element dimension, 6 is the tag 9 0.5 0.5 1.0 So when creating groups for the surfaces, these nodes are also included into their own p

[petsc-users] Nodes added to Vertex Set

2025-06-12 Thread Noam T. via petsc-users
Hello, In the mesh attached, a 1x1x1 cube with 8 nodes, physical groups are defined for the 6 bounding faces only. According to the GUI, and looking at the MSH file in $Entities, there are no physical groups for nodes. Using the following code: --- #include #include int main(int argc, char