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Computational Mechanics
Erschienen in: Computational Mechanics 5/2013

01.11.2013 | Original Paper

Fluid–structure interaction simulation of pulsatile ventricular assist devices

verfasst von: C. C. Long, A. L. Marsden, Y. Bazilevs

Erschienen in: Computational Mechanics | Ausgabe 5/2013

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Abstract

In this paper we present a collection of fluid–structure interaction (FSI) computational techniques that enable realistic simulation of pulsatile Ventricular Assist Devices (VADs). The simulations involve dynamic interaction of air, blood, and a thin membrane separating the two fluids. The computational challenges addressed in this work include large, buckling motions of the membrane, the need for periodic remeshing of the fluid mechanics domain, and the necessity to employ tightly coupled FSI solution strategies due to the very strong added mass effect present in the problem. FSI simulation of a pulsatile VAD at realistic operating conditions is presented for the first time. The FSI methods prove to be robust, and may be employed in the assessment of current, and the development of future, pulsatile VAD designs.
Nächster Artikel Low-complexity computation of plate eigenmodes with Vekua approximations and the method of particular solutions

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Metadaten
Titel
Fluid–structure interaction simulation of pulsatile ventricular assist devices
verfasst von
C. C. Long
A. L. Marsden
Y. Bazilevs
Publikationsdatum
01.11.2013
Verlag
Springer Berlin Heidelberg
Erschienen in
Computational Mechanics / Ausgabe 5/2013
Print ISSN: 0178-7675
Elektronische ISSN: 1432-0924
DOI
https://doi.org/10.1007/s00466-013-0858-3

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