有限单元——力法解弹性理论平面问题

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The Finite-Element Force Method for Solving Plane Problems of Elasticity

摘要: 本文使用任意阶扇形单元,提出了解弹性理论平面问题的一种力法方案.其特点是节点少.计算方便,且可完全适应区域的形状特点.

Abstract: Using elements in the form of arbitrary sectors, the author has devised a plan for solving plane problems of elasticity by the force method. The method is characterized by a smaller number of nodes, a more convenient computation and a perfect adaptability to the particular shape of the region in question.

[1]	蒋炜:弹性理论平面问题中由应力函数积分位移分量的一般方法,上海力学,1, 1. (1980)23-37.
[2]	Pian, T.H. H.and Tong, P.,Basis of Finite Element Methods for Solid Continua, International Journal for Numerical Methods in Engineering,1,1,(1969),3-28.