A Composite Mixed Finite Element for Hexahedral Grids

  • Authors:

  • Amel Sboui;Jérôme Jaffré;Jean Roberts

  • Affiliations:

  • Amel.Sboui@andra.fr;Jerome.Jaffre@inria.fr and Jean.Roberts@inria.fr;-

  • Venue:
  • SIAM Journal on Scientific Computing
  • Year:
  • 2009

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Abstract

A new mixed finite element method on three-dimensional hexahedral meshes for second order elliptic problems is proposed. This finite element is a composite element. It is shown to have optimal convergence properties, and it is applied to a hydrogeology problem.