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Error analysis for a Crouzeix–Raviart approximation of the p-Dirichlet problem
Journal of Numerical Mathematics ( IF 3 ) Pub Date : 2023-08-21 , DOI: 10.1515/jnma-2022-0106 Alex Kaltenbach 1
Journal of Numerical Mathematics ( IF 3 ) Pub Date : 2023-08-21 , DOI: 10.1515/jnma-2022-0106 Alex Kaltenbach 1
Affiliation
In the present paper, we examine a Crouzeix–Raviart approximation for non-linear partial differential equations having a (p , δ )-structure for some p ∈ (1, ∞) and δ ⩾0. We establish a priori error estimates, which are optimal for all p ∈ (1, ∞) and δ ⩾0, medius error estimates, i.e., best-approximation results, and a primal-dual a posteriori error estimate, which is both reliable and efficient. The theoretical findings are supported by numerical experiments.
中文翻译:
p-Dirichlet 问题的 Crouzeix-Raviart 近似的误差分析
在本文中,我们研究了非线性偏微分方程的 Crouzeix-Raviart 近似,其具有 (p ,δ )-某些结构p ε (1, ∞) 和δ ⩾0。我们建立先验误差估计,这对于所有情况都是最佳的p ε (1, ∞) 和δ ⩾0,中值误差估计,即最佳逼近结果,以及原始-对偶后验误差估计,既可靠又高效。理论研究结果得到了数值实验的支持。
更新日期:2023-08-21
中文翻译:
p-Dirichlet 问题的 Crouzeix-Raviart 近似的误差分析
在本文中,我们研究了非线性偏微分方程的 Crouzeix-Raviart 近似,其具有 (