A time-dependent adaptive remeshing for electrical waves of the heart

被引:27
作者
Belhamadia, Youssef [1 ]
机构
[1] Univ Alberta, Edmonton, AB T6C 4G9, Canada
关键词
action potential; anisotropic mesh adaptation; bidomain model; finite-element method; spiral waves;
D O I
10.1109/TBME.2007.905415
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
In this work, a time-dependent remeshing strategy and a numerical method are presented for the simulation of the action potential propagation of the human heart. The main purpose of these simulations is to accurately predict the depolarization-repolarization front position, which is essential to the understanding of the electrical activity in the myocardium. A bidomain model, which is commonly used for studying electrophysiological waves in the cardiac tissue, will be employed for the numerical simulations. Numerical results are enhanced by the introduction of an anisotropic remeshing strategy. The illustration of the performance and the accuracy of the proposed method are presented using a 2-D analytical solution and a test case with re-entrant waves.
引用
收藏
页码:443 / 452
页数:10
相关论文
共 37 条
[1]   A simple two-variable model of cardiac excitation [J].
Aliev, RR ;
Panfilov, AV .
CHAOS SOLITONS & FRACTALS, 1996, 7 (03) :293-301
[2]  
[Anonymous], 2003, ANL9511
[3]   A POSTERIORI ERROR-ESTIMATES BASED ON HIERARCHICAL BASES [J].
BANK, RE ;
SMITH, RK .
SIAM JOURNAL ON NUMERICAL ANALYSIS, 1993, 30 (04) :921-935
[4]   A simple analysis of some a posteriori error estimates [J].
Bank, RE .
APPLIED NUMERICAL MATHEMATICS, 1998, 26 (1-2) :153-164
[5]   Anisotropic mesh adaptation for the solution of the Stefan problem [J].
Belhamadia, Y ;
Fortin, A ;
Chamberland, É .
JOURNAL OF COMPUTATIONAL PHYSICS, 2004, 194 (01) :233-255
[6]   Three-dimensional aspects of re-entry in experimental and numerical models of ventricular fibrillation [J].
Biktashev, VN ;
Holden, AV ;
Mironov, SF ;
Pertsov, AM ;
Zaitsev, AV .
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 1999, 9 (04) :695-704
[7]   Simulation of electrophysiological waves with an unstructured finite element method [J].
Bourgault, Y ;
Ethier, M ;
LeBlanc, VG .
ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, 2003, 37 (04) :649-661
[8]   Efficient simulation of three-dimensional anisotropic cardiac tissue using an adaptive mesh refinement method [J].
Cherry, EM ;
Greenside, HS ;
Henriquez, CS .
CHAOS, 2003, 13 (03) :853-865
[9]   A parallel solver for reaction-diffusion systems in computational electrocardiology [J].
Colli-Franzone, P ;
Pavarino, LF .
MATHEMATICAL MODELS & METHODS IN APPLIED SCIENCES, 2004, 14 (06) :883-911
[10]   Adaptivity in space and time for reaction-diffusion systems in electrocardiology [J].
Colli-Franzone, Piero ;
Deuflhard, Peter ;
Erdmann, Bodo ;
Lang, Jens ;
Pavarino, Luca F. .
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 2006, 28 (03) :942-962