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Fluid–Structure Interaction Analysis of Bioprosthetic Heart Valves: the Application of a Computationally-Efficient Tissue Constitutive Model

  • Rana Zakerzadeh
  • Michael C. H. Wu
  • Will Zhang
  • Ming-Chen Hsu
  • Michael S. SacksEmail author
Chapter

Abstract

This paper builds on a recently developed computationally tractable material model merged with an immersogeometric fluid–structure interaction methodology for bioprosthetic heart valve modeling and simulation. Our main objective is to enable improved application of the use of exogenous crosslinked tissues in prosthesis design through computational methods by utilizing physically realistic constitutive models. To enhance constitutive modeling, valve leaflets are modeled with a computationally efficient phenomenological constitutive relation stemmed from a full structural model to explore the influence of incorporating a high-fidelity material model for the leaflets. We call this phenomenological version as the effective model. This effective model constitutive form is incorporated in the context of the isogeometric analysis to develop an efficient fluid–structure interaction method for thin shell structure of the leaflet tissues. The implementation is supported by representative simulations showing the applicability and usefulness of our effective material model in heart valve simulation framework.

Keywords

Constitutive model Fluid–structure interaction Immersogeometric analysis Isogeometric analysis Heart valve 

Notes

Acknowledgements

This work was supported by the National Heart, Lung, and Blood Institute of the National Institutes of Health under award number R01HL129077. The author Rana Zakerzadeh is partially supported by ICES Postdoctoral Fellowship. We thank the Texas Advanced Computing Center (TACC) at the University of Texas at Austin for providing HPC resources that have contributed to the research results reported in this paper.

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Rana Zakerzadeh
    • 1
  • Michael C. H. Wu
    • 2
  • Will Zhang
    • 1
  • Ming-Chen Hsu
    • 2
  • Michael S. Sacks
    • 3
    Email author
  1. 1.James T. Willerson Center for Cardiovascular Modeling and Simulation, The Oden Institute and the Department of Biomedical EngineeringThe University of Texas at AustinAustinUSA
  2. 2.Department of Mechanical EngineeringIowa State UniversityAmesUSA
  3. 3.The Oden Institute and the Department of Biomedical EngineeringThe University of Texas at AustinAustinUSA

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