A mixed finite volume element method based on rectangular mesh for biharmonic equations

  • Authors:
  • Tongke Wang

  • Affiliations:
  • College of Mathematical Science, Tianjin Normal University, Tianjin 300074, PR China

  • Venue:
  • Journal of Computational and Applied Mathematics
  • Year:
  • 2004

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Abstract

This paper presents a mixed finite volume element scheme based on rectangular partition for solving biharmonic equations. It also gives a kind of adaptive Uzawa iteration method for the scheme. It is rigorously proved that the scheme has first-order accuracy in H1 semi-norm and L2 norm according to the characteristics of the scheme. Finally, two numerical examples illustrate the effectiveness of the method.