[Gmsh] Refining a mesh read in from STEP

Scot Wilcox SWilcox at vectorworks.net
Fri Jul 15 20:48:35 CEST 2016

I’m running gmsh 2.8.3 as a command-line utility on Ubuntu as a means of generating 2nd order tetrahedral meshes for 3D STEP files.  If I just use the command-line options, it works great.  I’m looking to extend my use of it to where I merge the .stp with a .geo file, though, to take advantage of the scripting tools for local mesh refinement.  When I try to add in a point to locally refine around, I get over 100 “Edge XX – XX multiple times in surface mesh” errors when I run gmsh like this:
Gmsh fullSolve.geo –o fullSolve.inp –rand 1.e-2 -3 –order 2
  My .stp file is a simple 1000 x 250 x 250 rectangular prism.  My .geo file, .stp file, and gmsh command-line output are attached in the .zip.  Any help would be much appreciated!
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