A new way for formulation of 4-node quadrilateral isoparametric incompatible elements
  
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DOI:10.7511/jslx19962024
KeyWord:: isoparametric element,formulations: incompatible finite element,explicit method/element stiffness matrix
Jiao Zhaoping
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Abstract:
      A new method to express the displacement field of isoparametric compatible element is presented in this paper, based on it a new method for formulation of incompatible finite elements is developed. Two plane 4-node incompatible elements which can possess explicit element stiffness matrix are constructed as the examples.