Feature-based multiblock finite element mesh generation

Authors:
Kiran H. Shivanna;Srinivas C. Tadepalli;Nicole M. Grosland
Affiliations:
Center for Computer Aided Design, The University of Iowa, Iowa City, IA 52246, USA and Department of Biomedical Engineering, The University of Iowa, Iowa City, IA 52246, USA;Center for Computer Aided Design, The University of Iowa, Iowa City, IA 52246, USA and Department of Biomedical Engineering, The University of Iowa, Iowa City, IA 52246, USA;Center for Computer Aided Design, The University of Iowa, Iowa City, IA 52246, USA and Department of Biomedical Engineering, The University of Iowa, Iowa City, IA 52246, USA and Department of Orth ...
Venue:
Computer-Aided Design
Year:
2010

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Abstract

Hexahedral finite element mesh development for anatomic structures and biomedical implants can be cumbersome. Moreover, using traditional meshing techniques, detailed features may be inadequately captured. In this paper, we describe methodologies to handle multi-feature datasets (i.e., feature edges and surfaces). Coupling multi-feature information with multiblock meshing techniques has enabled anatomic structures, as well as orthopaedic implants, to be readily meshed. Moreover, the projection process, node and element set creation are automated, thus reducing the user interaction during model development. To improve the mesh quality, Laplacian- and optimization-based mesh improvement algorithms have been adapted to the multi-feature datasets.