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《应用数学和力学(英文版)》 2002-07
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UZAWA TYPE ALGORITHM BASED ON DUAL MIXED VARIATIONAL FORMULATION

WANG Guang-hui , WANG Lie-heng (1.State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100080, P R China; 2.State Key Laboratory of Scientific/Engineering Computing, Institute of Computational Mathematics and Sc  
Based on the dual mixed variational formulation with three variants (stress, displacement, displacement on contact boundary) and the unilateral beaming problem of finite element discretization, an Uzawa type iterative algorithm is presented. The convergence of this iterative algorithm is proved, and then the efficiency of the algorithm is tested by a numerical example.
【Fund】: theNationalNaturalScienceFoundationofChina( 1 9672 0 64 )
【CateGory Index】: O343
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