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ZZ-Type a posteriori error estimators for adaptive boundary element methods on a curve.
Engineering Analysis With Boundary Elements ( IF 3.3 ) Pub Date : 2013-11-05 , DOI: 10.1016/j.enganabound.2013.10.008
Michael Feischl 1 , Thomas Führer 1 , Michael Karkulik 2 , Dirk Praetorius 1
Affiliation  

In the context of the adaptive finite element method (FEM), ZZ-error estimators named after Zienkiewicz and Zhu (1987) [52] are mathematically well-established and widely used in practice. In this work, we propose and analyze ZZ-type error estimators for the adaptive boundary element method (BEM). We consider weakly singular and hyper-singular integral equations and prove, in particular, convergence of the related adaptive mesh-refining algorithms. Throughout, the theoretical findings are underlined by numerical experiments.



中文翻译:

ZZ-Type 曲线上自适应边界元方法的后验误差估计器。

在自适应有限元方法 (FEM) 的背景下,以 Zienkiewicz 和 Zhu (1987) [52] 命名的 ZZ 误差估计器在数学上已经建立并广泛应用于实践。在这项工作中,我们提出并分析了自适应边界元法 (BEM) 的 ZZ 型误差估计器。我们考虑弱奇异和超奇异积分方程,并特别证明相关自适应网格细化算法的收敛性。在整个过程中,数值实验强调了理论发现。

更新日期:2013-11-05
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