Numerical Simulations of Blood Flow in Artificial and Natural Hearts With Fluid–Structure Interaction
作者： Matthew G. Doyle , Jean-Baptiste Vergniaud , Stavros Tavoularis , Yves Bourgault
DOI: 10.1111/J.1525-1594.2008.00644.X
关键词: Ventricular assist device 、 Laser Doppler velocimetry 、 Mechanics 、 Blood flow 、 Engineering 、 Fluid–structure interaction 、 Mechanical engineering 、 Numerical analysis 、 Current (fluid) 、 Pulsatile flow 、 Diaphragm (mechanical device)
摘要: This article describes two ongoing numerical studies of fluid-structure interaction in the cardiovascular system: an idealized pulsatile ventricular assist device (VAD), consisting fluid chambers separated by a flexible diaphragm; and blood flow heart wall motion during passive filling canine heart. Simulations have been performed for VAD compared with results previous study to our own preliminary experimental results. Detailed measurements field model additional simulations are progress. Preliminary using both natural as well realistic identified limitations current methods dealing large three-dimensional deformations. Ongoing research aims at extending range include deformations incorporate anisotropic material account muscle fibers.
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