hp-Finite Element Methods for Singular Perturbations(Lecture Notes in Mathematics)

数学分析

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作      者
出  版 社
出版时间
2002年10月10日
装      帧
ISBN
9783540442011
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页      码
326
开      本
语      种
英文
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图书简介
Many partial differential equations arising in practice are parameter-dependent problems that are of singularly perturbed type. Prominent examples include plate and shell models for small thickness in solid mechanics, convection-diffusion problems in fluid mechanics, and equations arising in semi-conductor device modelling. Common features of these problems are layers and, in the case of non-smooth geometries, corner singularities. Mesh design principles for the efficient approximation of both features by the hp-version of the finite element method (hp-FEM) are proposed in this volume. For a class of singularly perturbed problems on polygonal domains, robust exponential convergence of the hp-FEM based on these mesh design principles is established rigorously.
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