一个非协调膜元的高精度分析

High Accuracy Analysis for a Nonconforming Membrane Element

本文讨论一个四自由度三角形非协调膜元的整体超收敛性，外推和亏量校正。

In ha peper,a four-degree triangle nonconforming membrance element is considered and the global superconvergence estmates,the extrapolation and the defect correction schemes are presented.