Title :
Using domain decomposition and priority queue integration scheme to solve two-dimensional model of myocardium
Author :
Weilun Quan ; Evans, Steven J. ; Hastings, H.M.
Author_Institution :
Long Island Jewish Med. Center, New Hyde Park, NJ, USA
Abstract :
The two-dimensional propagation model based on the Luo-Rudy phase II membrane model is limited by its great computational cost. To reduce this cost and allow large realistic models the authors developed a new numerical method based on domain decomposition and priority queue integration scheme (DDPQ). The new method offers stable solutions with relative errors less than 1% and computation time saving by a factor of 10 to 20, allowing much larger models based on realistic membrane kinetics and realistic dimensions to simulate reentry, triggered activity and their interactions
Keywords :
biology computing; cardiology; computational complexity; digital simulation; muscle; physiological models; Luo-Rudy phase II membrane model; cardiac electrophysiology; computer simulation; domain decomposition; ionic channels; large realistic models; priority queue integration scheme; reentry simulation; triggered activity; two-dimensional myocardium model; two-dimensional propagation model; Anisotropic magnetoresistance; Biomembranes; Calcium; Computational efficiency; Conductivity; Costs; Extracellular; Myocardium; Numerical models; Phased arrays;
Conference_Titel :
Engineering in Medicine and Biology Society, 1995., IEEE 17th Annual Conference
Conference_Location :
Montreal, Que.
Print_ISBN :
0-7803-2475-7
DOI :
10.1109/IEMBS.1995.574994
