A Note on the Quadrilateral Mesh Condition $RDP(N,\psi)$

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Abstract

The main aim of this paper is to show that the quadrilateral mesh condition $RDP(N,\psi)$ is only sufficient but not necessary for the optimal order error estimate of the $Q_{1}$ isoparametric element in the $H^{1}$ norm.

Keywords:

Isoparametric finite element Optimal order error estimate Quadrilateral mesh condition.
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A Note on the Quadrilateral Mesh Condition $RDP(N,\psi)$. (2018). Journal of Computational Mathematics, 25(1), 27-30. https://www.global-sci.com/index.php/JCM/article/view/11806