Acta mathematica scientia,Series B ›› 2011, Vol. 31 ›› Issue (3): 897-908.doi: 10.1016/S0252-9602(11)60284-1

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ACCURACY ENHANCEMENT FOR THE SIGNORINI PROBLEM WITH FINITE ELEMENT METHOD

 LI Ming-Xia, CHEN Hong-Tao, MAO Shi-Peng   

  1. School of Information Engineering, China University of Geosciences, Beijing 100083, China; LSEC, Institute of Computational Mathematics, Academy of Mathematics and Systems Science, Chinese Academy of Sciences,
    Beijing 100190,  |China
  • Received:2009-07-15 Revised:2009-12-22 Online:2011-05-20 Published:2011-05-20
  • Contact: Mao Shipeng E-mail:limx@cugb.edu.cn;htchen@lsec.cc.ac.cn; maosp@lsec.cc.ac.cn

Abstract:

In this paper, we  study the accuracy enhancement for the frictionless Signorini  problem on  a polygonal domain with linear finite elements. Numerical test is given to verify our result.

Key words: finite element methods,  , the Signorini problem, superconvergence

CLC Number: 

  • 65N30
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