Hex vs Tet Mesh Comparisons

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Home < Hex vs Tet Mesh Comparisons

Objective:

  • Comparison of Hexahedral versus Tetrahedral meshing algorithms Orthopaedic applications

Progress:

  • Currently evaluating open source tetrahedral meshing algorithms
    • VTK
      • Slivers exist in resulting mesh
    • Netgen
      • LGPL license
      • Issues have been found regarding invalid memory references
      • Does not always converge to a solution
      • Difficult to specify desired mesh density
    • Tetgen
      • Non commercial license. Commercial license can be purchased
      • Has been used for medical applications including heart, vertebral body, and head meshes
  • Performed an initial comparison of hexahedral versus tetrahedral algorithms
    • Study included comparison of hexahedral and tetrahedral meshing tools
    • Evaluated the results based the following criteria
      • Time to generate the mesh
      • mesh quality
      • Results of a static load analysis versus the number of elements

To Do:

  • Evaluate other tetrahedral meshing algorithms
  • Complete comparison study of hexahedral and tetrahedral tools.


Key Investigators:

  • Iowa: Nicole DeVries, Nicole Grosland, Vincent Magnotta

Links: