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线性Sobolev方程的H^1-Galerkin混合有限元分析 被引量:1

H^1-Galerkin Mixed Finite Element Analysis for a Linear Sobolev Equation
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摘要 采用H1-Galerkin混合有限元法对线性Sobolev方程初边值问题给出了半离散H1-Galerkin混合有限元格式,通过误差分析,得到了待求函数及其梯度函数的L2模、H1模和Lp模的最优阶误差估计. A semi-discrete H1-Galerkin mixed finite element method for a linear Sobolev equation is given,and optimal error estimates between the approximation solution and the exact solution in L2-norm,H1-norm and Lp-norm are obtained by error analysis.
作者 原华丽
出处 《烟台大学学报(自然科学与工程版)》 CAS 2005年第2期104-107,共4页 Journal of Yantai University(Natural Science and Engineering Edition)
关键词 线性Sobolev方程 H^1-Galerkin混合有限元法 LBB相容性条件 误差分析 linear Sobolev equation H1-Galerkin mixed finite element methods LBB consistency condition error analysis
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参考文献3

  • 1Pani A K.An H1-Galerkin mixed finite element method for parabolic partial differential equations[J].SIAM J Numer Anal,1998,35:712~727.
  • 2Wheeler M F.Aprior L2-error estimes for Galerkin approximations to parabolic differential equation[J].SIAM J Numer Anal,1973,10:723~759.
  • 3Pani A K, Thomee V,Wahlbin L B.Numerical methods for hyperbolic and parabolic and parabolic integro-differential equations[J].J Integral Equ Appl,1992,4:533~584.

同被引文献6

  • 1Amiya K Pani. An H^1-Galerkin mixed finite element method for parabolic partial differential equations [ J ].SIAM J Numer Anal, 1998,35:712-727.
  • 2Wheeler M F. A priori L^2 -error estimates for Galerkin approximations to parabolic differential equation[ J ].SIAM J Numer Anal, 1973,10:723-759.
  • 3Pani A K, Thomée V, Wahlbin L B. Numerical methods for hyperbolic and parabolic and parabolic integrodifferential equations [ J ]. J Integral Equ Appl, 1992 (4) :533-584.
  • 4Arnold D N, Douglas J Jr,Thom6e V. Superconvergence of a finite element approximation to the solution of a Sobolev equation in a single space variable[ J]. Math Comput, 1981,36:53-63.
  • 5Ewing R E. Time-stepping Galerkin methods for nonlinear Sobolev partial differential equations[ J ]. SIAM Numer Anal, 1978,15 : 1125-1150.
  • 6Nakao M T. Error estimates of a Galerkin method for some nonlinear Sobolev equations in one space dimension [ J ]. Numer Math, 1985,47 : 139-157.

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