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A Comparison of Mesh Morphing Methods for 3D Shape Optimization

Staten, Matthew L., Steven J. Owen, Suzanne M. Shontz, Andrew G. Salinger and Todd S. Coffey

20th International Meshing Roundtable, Springer-Verlag, pp.293-310, October 23-26 2011

IMR
PROCEEDINGS

20th International Meshing Roundtable
Paris, France
October 23-26, 2011

Sandia National Laboratories, The Pennsylvania State University, University Park, PA, U.S.A.
Email: {mlstate,sjowen,agsalin,tscoffe}@sandia.gov, shontz@cse.psu.edu

Summary
The ability to automatically morph an existing mesh to conform to geometry modifications is a necessary capability to enable rapid prototyping of design variations. This paper compares six methods for morphing hexahedral and tetrahedral meshes, including the previously published FEMWARP and LBWARP methods as well as four new methods. Element quality and performance results show that different methods are superior on different models. We recommend that designers of applications that use mesh morphing consider both the FEMWARP and a linear simplex based method.

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