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From the SIGGRAPH 2007 conference proceedings Isosurface Stuffing: Fast Tetrahedral Meshes with Good Dihedral Angles

By Ois Labelle Jonathan Richard Shewchuk


Figure 1: A 134,400-tetrahedron mesh produced by isosurface stuffing, with cutaway views. At the lower right is a histogram of tetrahedrondihedral angles in 2ffi intervals; multiply the heights of the red bars by 20. (Angles of 45ffi, 60ffi, and 90ffi occur with high frequency.) The extreme dihedral angles are 15.2ffi and 158.2ffi. This mesh took 55 seconds to generate on a Mac Pro with a 2.66 GHz Intel Xeon processor,but the mesh generation time was only 642 milliseconds; nearly all the time was spent in the isosurface evaluation code. Abstract The isosurface stuffing algorithm fills an isosurface with a uni-formly sized tetrahedral mesh whose dihedral angles are bounde

Topics: isosurface, tetrahedral mesh generation, dihedral angle 1 Introduction Finite element methods are the most popular techniques for numer-ical, mechanical deform
Year: 2009
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