Convergence of an AEFEM For Time-harmonic Maxwell Equations with Variable Coefficients

Convergence of an AEFEM For Time-harmonic Maxwell Equations with Variable Coefficients
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变系数时谐麦克斯韦方程 AEFEM 的收敛性

DOI:
10.1016/j.cam.2020.112712
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发表时间:
2020-07
影响因子:
2.4
通讯作者:
Liu Chunmei
Liu Chunmei
中科院分区:
数学2区
文献类型:
--
作者:
Xie Yingying;Zhong Liuqiang;Liu Chunmei

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本文证明了求解三维变系数不定时谐麦克斯韦方程的自适应棱边有限元方法的收敛性,并考虑了任意阶Nederian棱边元.给出了误差估计的后验上界、拟正交性和收缩性,证明了两个连续自适应环之间的能量误差和定标误差估计之和的收缩性。数值实验支持的理论结果。
An Adaptive Edge Finite Element Method (AEFEM) for three-dimensional indefinite time-harmonic Maxwell equations with variable coefficients is proved to be convergent and arbitrary order Nedelec edge elements are considered. A posteriori upper bound, quasi orthogonality and the contraction of the error estimator are provided to prove the contraction of the sum of the energy error and the scaled error estimator between two consecutive adaptive loops. Numerical experiments are presented to support the theoretical results.
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