Regular article

Computing and Visualization in Science

, Volume 5, Issue 4, pp 195-213

First online:

Modeling the electrical activity of the heart: A Bidomain Model of the ventricles embedded in a torso

  • Glenn Terje LinesAffiliated withSimula Research Laboratory, P.O. Box 134 Lysaker, N-1325, Norway (e-mail: glennli@simula.no)
  • , Per GrottumAffiliated withDepartment of Informatics, University of Oslo, P.O. Box 1080 Blindern, N-0316, Norway
  • , Aslak TveitoAffiliated withSimula Research Laboratory, P.O. Box 134 Lysaker, N-1325, Norway (e-mail: glennli@simula.no)

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Abstract.

In this paper a model for the electrical activity of the heart will be presented and an approach to solve the resulting numerical problem will be suggested. The Bidomain Model is used to compute the spatial distribution of the electrical potential. The partial differential equations are discretized with the finite element method and the multigrid method is used to solve the corresponding linear equations. Adaptivity is applied to resolve the steep gradients in the solution.