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MEMBRANE QUADRILATERAL FINITE-ELEMENTS WITH ROTATIONAL DEGREES OF FREEDOM

被引：20
作者：
IBRAHIMBEGOVIC, A
FREY, F
机构：
[1] Swiss Federal Institute of Technology, CH-1015 Lausanne
来源：
ENGINEERING FRACTURE MECHANICS | 1992年 / 43卷 / 01期
关键词：
D O I：
10.1016/0013-7944(92)90308-2
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A couple of new membrane elements with rotational degrees of freedom are presented. MQ2 is a quadrilateral membrane element with quadratic displacement interpolation and MQ3 is a quadrilateral with cubic displacement interpolation. Mid-side tangential displacements are used as the incompatible mode interpolation parameters to improve the elements' performance in the distorted configuration. Both membrane elements are based on a sound variational foundation and both exhibit an excellent performance over a set of problems.
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页码：13 / 24
页数：12
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