Adaptive tetrahedral mesh generation by constrained Delaunay refinement. (English summary) Internat. J. Numer. Methods Engrg. 75 (2008), no. 7, 856–880.1097-0207 The paper presents a mesh generation algorithm that generates an isotropic tetrahedral mesh respecting a sizing function that can be provided by the user or derived automatically from error analysis in the finite element method. The algorithm refines an initial constrained Delaunay mesh by inserting points according to the sizing function and the Delaunay refinement rules. The authors give theoretical guarantees that the generated meshes have good quality tetrahedra and graded mesh size for a large class of mesh domains. They also discuss techniques for the removal of remaining slivers
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