Numerical Simulation of the Electromechanical Activity of the Heart

机译：心脏机电活动的数值模拟

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We present numerical results obtained with a three-dimensional electromechanical model of the heart with a complete realistic anatomy. The electrical activity of the heart-torso domain is described by the bidomain equations in the heart and a Laplace equation in the torso. The mechanical model is based on a chemically-controlled contraction law of the myofibres integrated in a 3D continuum mechanics description accounting for large displacements and strains, and the main cardiovascular blood compartments are represented by simplified lumped models. We considered a normal case and a pathological condition and the medical indicators resulting from the simulations show physiological values, both for mechanical and electrical quantities of interest, in particular pressures, volumes and ECGs.

机译：我们提出了具有完整逼真的解剖学的三维三维机电模型所获得的数值结果。心脏-躯干域的电活动由心脏中的双域方程和躯干中的拉普拉斯方程描述。力学模型基于整合在3D连续体力学描述中的肌纤维的化学控制收缩定律，从而说明了大的位移和应变，主要的心血管血液腔室由简化的集总模型表示。我们考虑了正常情况和病理状况，模拟得出的医学指标显示出感兴趣的机械和电气量的生理值，特别是压力，体积和ECG。

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《Functional imaging and modeling of the heart》|2009年|357-365|共9页
会议地点 Nice(FR);Nice(FR)
作者
Dominique Chapelle; Miguel A. Fernandez; Jean-Frederic Gerbeau; Philippe Moireau; Jacques Sainte-Marie; Nejib Zemzemi;
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INRIA, Rocquencourt B.P. 105, 78153 Le Chesnay cedex, France;

rnINRIA, Rocquencourt B.P. 105, 78153 Le Chesnay cedex, France;

rnINRIA, Rocquencourt B.P. 105, 78153 Le Chesnay cedex, France;

rnINRIA, Rocquencourt B.P. 105, 78153 Le Chesnay cedex, France;

rnINRIA, Rocquencourt B.P. 105, 78153 Le Chesnay cedex, France LNHE/CETMEF, 6 quai Watier, 78401 Chatou cedex, France;

INRIA, Rocquencourt B.P. 105, 78153 Le Chesnay cedex, France Univ. Paris 11, Laboratoire de mathematiques d'Orsay, 91405 Orsay cedex, France;

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正文语种 eng
中图分类心脏、血管（循环系）疾病;
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Numerical Simulation of the Electromechanical Activity of the Heart

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