Expanded mixed finite element methods for the problem of purely longitudinal motion of a homogeneous bar
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摘要
In this paper, expanded mixed finite element methods for the initial-boundary-value problem of purely longitudinal motion equation of a homogeneous bar are proposed and analyzed. Optimal error estimates for the approximations of displacement in L2 norm and stress in H1 norm are obtained.
论文关键词：65M12,65M15,Expanded mixed finite element methods,Purely longitudinal motion equation of a homogeneous bar,Initial-boundary value problems,Error estimates
论文评审过程：Received 15 May 2008, Revised 23 February 2009, Available online 21 October 2010.
论文官网地址：https://doi.org/10.1016/j.cam.2010.10.012
