hp-Finite Element Procedures on Non-Uniform Geometric Meshes: Adaptivity and Constrained Approximation
Chapter
Abstract
A simple adaptive hp-finite element procedure is described for linear elliptic boundary value problems on polygonal domains. A methodology is given for implementing the constrained hp-refinements on the highly graded meshes needed to achieve optimal exponential rates of convergence. Numerical examples confirm that the sequence of adaptively designed meshes closely tracks the curves that define the proper combination of hp-refinements. Thus, the adaptive procedure produces near optimal meshes and achieves an exponential rate of convergence.
Key words
hp-version finite element method Adaptive refinement Constrained approximationPreview
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