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Reproducing nonlinear force velocity relation of myocardial tissue by a nonlinear parallel elastic component
Yutaka Nobuaki1, Yu Kamei, Jianyin Lu
1Graduate School of Informatics, Kyoto University, Japan.
Abstract:
To realize precise simulation of the left ventricular motion, it is important to utilize an accurate myocardial tissue model which can reproduce various characteristics of myocardial tissue contraction. In this study, we show that the nonlinear characteristics of the passive myocardial tissue property is the essential nature of the nonlinear force-velocity relation and present a formulation for hyperelastic physiological tissue property. Experimental results of our myocardial tissue simulation with the hyperelastic material property proposed are in good agreement with the reported force-velocity relation of real tissue.
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