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Simulation of Blood-Heart Interaction: Validation of Approach

by C. C. Vesier, Georgia Inst of Technology, Atlanta, United States,
R. A. Levine, Georgia Inst of Technology, Atlanta, United States,
A. P. Yoganathan, Georgia Inst of Technology, Atlanta, United States,



Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract:

An existing pressure correction method to model unsteady flow with arbitrarily moving boundaries has been adapted to simulate the interaction of three-dimensional blood flow with a mitral valve in an anatomically-correct contractile thin-walled left heart. This noniterative method, which is first-order time accurate, solves the three-dimensional unsteady Navier-Stokes equations with arbitrarily moving boundaries for the no slip boundary condition. It is capable of realistically modeling the blood-valve interaction, since it allows the simulation of both passive tissue (i. e., heart valves) and active tissue (i. e., heart muscle fibers).

Subject Headings: Fluid dynamics | Three-dimensional models | Three-dimensional flow | Navier-Stokes equations | Fluid mechanics | Fluid flow | Valves

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