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Augmented Resistive Immersed Surfaces valve model for the simulation of cardiac hemodynamics with isovolumetric phases

Abstract : In order to reduce the complexity of heart hemodynamics simulations, uncoupling approaches are often considered for the modeling of the immersed valves as an alternative to complex fluid-structure interaction (FSI) models. A possible shortcoming of these simplified approaches is the difficulty to correctly capture the pressure dynamics during the isovolumetric phases. In this work, we propose an enhanced resistive immersed surfaces (RIS) model of cardiac valves which overcomes this issue. The benefits of the model are investigated and tested in blood flow simulations of the left heart.
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https://hal.inria.fr/hal-01944798
Contributor : Ludovic Boilevin-Kayl <>
Submitted on : Monday, December 10, 2018 - 9:08:25 AM
Last modification on : Monday, September 14, 2020 - 9:22:07 AM

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Alexandre This, Ludovic Boilevin-Kayl, Miguel Angel Fernández, Jean-Frédéric Gerbeau. Augmented Resistive Immersed Surfaces valve model for the simulation of cardiac hemodynamics with isovolumetric phases. International Journal for Numerical Methods in Biomedical Engineering, John Wiley and Sons, 2020, 36 (3), pp.e3223. ⟨10.1002/cnm.3223⟩. ⟨hal-01944798v2⟩

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