一种用于椭圆界面问题的高精度有限元方法
数值分析
2007-07-12 v1
摘要
本文提出了一种用于处理具有不连续系数的椭圆问题的有限元方法。假设不连续性沿一条封闭光滑曲线发生。所提出的方法允许处理不适应不连续线的网格。(非协调) 有限元空间通过局部基函数进行了 enrich。我们证明了在 H1--范数下的最优收敛率。数值测试证实了理论结果。
引用
@article{arxiv.0707.1559,
title = {An accurate finite element method for elliptic interface problems},
author = {Gunther H. Peichl and Rachid Touzani},
journal= {arXiv preprint arXiv:0707.1559},
year = {2007}
}
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