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Three-dimensional modeling of electrical defibrillation on a massively parallel computer

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7 Author(s)
Hutchinson, S.A. ; New Mexico State Univ., Las Cruces, NM, USA ; Gao, S. ; Ai, L. ; Ng, K.T.
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A finite-element solver for electrical defibrillation analysis has been developed on a massively parallel computer, Thinking Machines Corporation's Connection Machine 2 (CM-2), which allows a high degree of parallelism and the solution of large problems. The solver uses a nodal assembly technique where each node in the finite-element grid is mapped to a virtual processor in the computer. Using this solver, potential and current density distributions during transthoracic defibrillation have been calculated for different anatomic models, including a realistic 3-D finite-element model constructed from a series of cross-sectional magnetic resonance imaging (MRI) images of a mongrel dog. Numerical results obtained with this model are presented together with computational performance data for the algorithm

Published in:

Computers in Cardiology 1992, Proceedings of

Date of Conference:

11-14 Oct 1992