four-node generalized conforming membrane elements with drilling dofs using quadrilateral area coordinate methods

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ID: 184499
2015
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Abstract
Two 4-node generalized conforming quadrilateral membrane elements with drilling DOF, named QAC4θ and QAC4θM, were successfully developed. Two kinds of quadrilateral area coordinates are used together in the assumed displacement fields of the new elements, so that the related formulations are quite straightforward and will keep the order of the Cartesian coordinates unchangeable while the mesh is distorted. The drilling DOF is defined as the additional rigid rotation at the element nodes to avoid improper constraint. Both elements can pass the strict patch test and exhibit better performance than other similar models. In particular, they are both free of trapezoidal locking in MacNeal’s beam test and insensitive to various mesh distortions.
Reference Key
chen2015mathematicalfour-node Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Xiao-Ming Chen;Song Cen;Jian-Yun Sun;Yun-Gui Li
Journal journal of power sources
Year 2015
DOI
10.1155/2015/328612
URL
http://dx.doi.org/10.1155/2015/328612
Keywords
civil engineering (general)mathematics engineering (general)

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