Interior Error Estimates for Nonconforming Finite Element Methods of the Stokes Equations

Interior Error Estimates for Nonconforming Finite Element Methods of the Stokes Equations

Year:    1999

Author:    Xiao-Bo Liu

Journal of Computational Mathematics, Vol. 17 (1999), Iss. 5 : pp. 475–494

Abstract

Interior error estimates are derived for nonconforming stable mixed finite element discretizations of the stationary Stokes equations. As an application, interior convergences of difference quotients of the finite element solution are obtained for the derivatives of the exact solution when the mesh satisfied some translation invariant condition. For the linear element, it is proved that the average of the gradients of the finite element solution at the midpoint of two interior adjacent triangles approximates the gradient of the exact solution quadratically.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/1999-JCM-9119

Journal of Computational Mathematics, Vol. 17 (1999), Iss. 5 : pp. 475–494

Published online:    1999-01

AMS Subject Headings:   

Copyright:    COPYRIGHT: © Global Science Press

Pages:    20

Keywords:   

Author Details

Xiao-Bo Liu