Title :
A Chebyshev pseudospectral method for cardiac propagation modeling
Author :
Ng, Kwong T. ; Zhan, Zhaofeng
Author_Institution :
Klipsch Sch. of Electr. & Comput. Eng., New Mexico State Univ., Las Cruces, NM, USA
Abstract :
Most previous monodomain or bidomain modeling of the cardiac tissue has been performed using the finite-difference method. An adequate discretization of a tissue with realistic dimensions, however, still often leads to a large model size that is computationally prohibitive. A Chebyshev pseudospectral method is described that allows a significant reduction in the number of nodes required for a given solution accuracy. Details on the pseudospectral technique are presented together with simulation results that demonstrate the high computational performance of the new approach
Keywords :
Chebyshev approximation; bioelectric potentials; cardiology; digital simulation; physiological models; spectral analysis; Chebyshev pseudospectral method; action potential propagation; adequate discretization; bidomain modeling; cardiac propagation modeling; cardiac tissue; computational performance; finite-difference method; large model size; pseudospectral technique; realistic dimensions; simulation results; solution accuracy; Biomembranes; Cardiac tissue; Chebyshev approximation; Computational efficiency; Computational modeling; Finite difference methods; Flexible printed circuits; Nonlinear equations; Performance evaluation; Polynomials;
Conference_Titel :
[Engineering in Medicine and Biology, 1999. 21st Annual Conference and the 1999 Annual Fall Meetring of the Biomedical Engineering Society] BMES/EMBS Conference, 1999. Proceedings of the First Joint
Conference_Location :
Atlanta, GA
Print_ISBN :
0-7803-5674-8
DOI :
10.1109/IEMBS.1999.802186
