Three-Dimensional Blood Flows Associated with Intra-Aortic Balloon Counterpulsationby T. E. Natan, Carnegie Mellon Univ, Pittsburgh, United States,
T. -K. Hung, Carnegie Mellon Univ, Pittsburgh, United States,
H. S. Borovetz, Carnegie Mellon Univ, Pittsburgh, United States,
Abstract: Three-dimensional blood flow processes associated with intra-aortic balloon counterpuslation (IABP) are calculated using a Cray YMP supercomputer. The mathematical model incorporates a time-dependent motion of the balloon with a pulsatory pressure drop. The complexity of the unsteady flow processes associated with the motion of the balloon are tractable when the time-dependent domain of the flow field is mapped onto a fixed annular region in a new coordinate system.
Subject Headings: Three-dimensional flow | Time dependence | Motion (dynamics) | Flow duration | Unsteady flow | Materials processing | Fluid flow | Navier-Stokes equations
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