岑松, 龙志飞, 匡文起. 引入广义泡状型位移场影响的厚板矩形单元[J]. 工程力学, 1996, 13(4): 41-48.
引用本文: 岑松, 龙志飞, 匡文起. 引入广义泡状型位移场影响的厚板矩形单元[J]. 工程力学, 1996, 13(4): 41-48.
Cen Song, Long Zhifei, Kuang Wenqi. THE INFLUENCE OF GENERALIZED BUBBLE DISPLACEMENT ON THICK PLATE RECTANGULAR ELEMENT[J]. Engineering Mechanics, 1996, 13(4): 41-48.
Citation: Cen Song, Long Zhifei, Kuang Wenqi. THE INFLUENCE OF GENERALIZED BUBBLE DISPLACEMENT ON THICK PLATE RECTANGULAR ELEMENT[J]. Engineering Mechanics, 1996, 13(4): 41-48.

引入广义泡状型位移场影响的厚板矩形单元

THE INFLUENCE OF GENERALIZED BUBBLE DISPLACEMENT ON THICK PLATE RECTANGULAR ELEMENT

  • 摘要: 本文提出了在已有的无闭锁现象的广义协调厚板矩形单元的基础之上,引入广义泡状型位移场的影响,构造厚薄板通用的优质单元的一般方法。应用此法构造出新的单元。数值算例表明,在引入适当的广义泡状位移影响后,单元的计算结果显著得到改善,精度进一步提高。

     

    Abstract: In this papal a universal method to establish high-quality rectangular element for both thin and thick plates is derived. In order to get higher precision, several generalized bubble displacements are introduced into the displacement pattern of element LFRI in 5,and two elements, C01 and C10, are constructed. Numerical examples show that the Present elements exhibit excellent perfomance.

     

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