Simulation of Blood-Heart Interaction: Validation of Approach


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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: Validation | Three-dimensional flow | Three-dimensional models | Flow simulation | Unsteady flow | Simulation models | Arbitration | Pressurized flow |

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