Comments

• Fatmac

  February 3

  Rhino has a great function called quadremesh -for 2d meshes like this it works nicely
  

  structuremeshpSol.jpg 152.5K
• ing515

  February 3

  Thanks for the reply, it's an exceptional result but, not having the Rhino license, I would like to do everything in mecway.
  
• Fatmac

  February 3

  within MW u can use customised comands for gmsh - paste the following into the "custom Gmesh commands" in meshing parameters and u will get a reasonable 2d mesh
  
  
  Mesh.Algorithm = 11;
  Mesh.ElementOrder = 2;
  Mesh.RecombinationAlgorithm = 3;
  Mesh.RecombineAll = 1;
  Mesh.SubdivisionAlgorithm = 1;
  Mesh.SurfaceFaces = 1;
  
  
  
  it may be possible to tweak the comands to get a better mesh but this is what I get with the above Gmesh comands
  
  
  
• Fatmac

  February 3

  I 4got to add that sometimes u get better structured meshes (certianly in gmesh) if u partition the piece into 3 and 4 sided sections - slice them in ur CAD program and re-join them b4 exporting.
  
  
  then try these gmesh comands
  
  then i get something like this
  
  
  
• cwharpe

  February 4

  @ing515:
  
  

  • Your original "automatic & point refined" mesh actually looked pretty nice, for my purposes.
    
  • I think your merging issues occurred because the element count along the edges of the Hole Plate mesh & block-out did not match.
    
  • The manual meshing in MW takes a few minutes to set up. A better result is found if the perimeter element counts are compatible. "Refine/Custom" and Purse.py tools are useful. (Easier for me to work in linear elements then convert to quadratics at the last, improve by Project to Cylinder.) See attached images.
    
  • Maybe give the Hole Tool a shot?
    

  
  @Fatmac: Very nice Gmesh & Rhino mesh examples!
  
  
  
• ing515

  February 10

  Thank you very much for your precious help