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A Mixed Method

  • Vidar Thomée
Part of the Springer Series in Computational Mathematics book series (SSCM, volume 25)

Abstract

In this chapter we shall consider a finite element method for our model parabolic equation which is based on a mixed formulation of the problem. In this formulation the gradient of the solution is introduced as a separate dependent variable the approximation of which is sought in a different finite element space than the solution itself. One advantage of this procedure is that the gradient of the solution may be approximated to the same order of accuracy as the solution itself.

Keywords

Parabolic Problem Finite Element Space Polygonal Domain Galerkin Finite Element Method Reference Triangle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1997

Authors and Affiliations

  • Vidar Thomée
    • 1
  1. 1.Department of MathematicsChalmers University of TechnologyGöteborgSweden

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