The longest-edge (LE-) trisection of the given tetrahedron is obtained by joining two equally spaced points on its longest edge with the opposite vertices, and, thus, splitting the tetrahedron into three sub-tetrahedra. On the base such LE-trisections we introduce and numerically test the refinement algorithms for tetrahedral meshes. Computations conducted show that the quality of meshes generated by these algorithms does not seem to degenerate.
CITATION STYLE
Korotov, S., Plaza, Á., Suárez, J. P., & Abad, P. (2016). On numerical regularity of trisection-based algorithms in 3D. In Springer Proceedings in Mathematics and Statistics (Vol. 164, pp. 371–384). Springer New York LLC. https://doi.org/10.1007/978-3-319-32857-7_35
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