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Generalization of the Zlámal condition for simplicial finite elements in ℝ d
The famous Zlámal's minimum angle condition has been widely used for construction of a regular family of triangulations (containing nondegenerating triangles) as well as in convergence proofs for the finite element method ...
A Geometric Toolbox for Tetrahedral Finite Element Partitions
In this work we present a survey of some geometric results on tetrahedral partitions and their refinements in a unified manner. They can be used for mesh generation and adaptivity in practical calculations by the finite ...