A Quadrilateral Axisymmetric Element with Rotating Degree of freedom
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    Abstract:

    A quadrilateral axisymmetric element with rotating degree of freedom at the vertex nodes is derived. For improving the precision of the element, decreasing the sensitivity of element geometry and applying it to nearly incompressible materials, three nonconforming displacement functions and a “bubble” function are selected as the intemal freedom of the element. The results of the numerical examples show that the performance of the new element is fine.

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History
  • Received:July 01,1999
  • Revised:
  • Adopted:
  • Online: November 18,2013
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