须寅, 龙驭球. 采用广义协调条件构造具有旋转自由度的三角形膜元[J]. 工程力学, 1993, 10(2): 31-39.
引用本文: 须寅, 龙驭球. 采用广义协调条件构造具有旋转自由度的三角形膜元[J]. 工程力学, 1993, 10(2): 31-39.
shu
Xu Yin, Long Yuqiu. CONFORMING TRIANGULAR MEMBRANE ELEMENT WITH VERTEX ROTATIONAL FREEDOM FROM GENERALIZED COMPATIBLE CONDITION[J]. Engineering Mechanics, 1993, 10(2): 31-39.
Citation: Xu Yin, Long Yuqiu. CONFORMING TRIANGULAR MEMBRANE ELEMENT WITH VERTEX ROTATIONAL FREEDOM FROM GENERALIZED COMPATIBLE CONDITION[J]. Engineering Mechanics, 1993, 10(2): 31-39.
shu

采用广义协调条件构造具有旋转自由度的三角形膜元

CONFORMING TRIANGULAR MEMBRANE ELEMENT WITH VERTEX ROTATIONAL FREEDOM FROM GENERALIZED COMPATIBLE CONDITION

    摘要
  • 摘要: 本文根据广义协调的概念1,通过引进单元结点刚体转角,构造出了两种具有平面内旋转自由度的三角形膜元。单元列式简单,并能通过分片检验,数值算例表明,它们是一类高精度的收敛单元。

     

    Abstract: Two triangular membrane elements arc derived from the concept of generalized conforming finite element by means of introducing vertex rigid rotational freedom. The elements, with simple formulation, pass the patch test. Numerical results exhibit that the accuracy obtained with present elements is exceptionally good.

     

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