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Computational Modeling of Fluid–Structure Interaction Between Blood Flow and Mitral Valve

  • Weixin Si
  • Xiangyun Liao
  • Jing Qin
  • Pheng Ann Heng
Conference paper

Abstract

Mitral valve repair is a complex operation, in which the functionality of incompetent mitral valve is reconstructed by surgical techniques. Simulation-based surgical planning system, allowing surgeons to simulate and compare potential repair strategies, could greatly improve surgical outcomes. This paper presents a practical computational framework, combining the Total Lagrangian Explicit Dynamics Finite Element Method (TLED FEM) and Smoothed Particle Hydrodynamics (SPH), to solve the interaction problem of blood and immersed mitral valves. With this completed pipeline, we can not only predict the mechanical behavior of mitral valve, but also analyze the transvalvular pressures distributed on valve leaflets. The experimental results demonstrate that our method has the potential to be applied in surgical planning simulator of mitral valve repair.

Keywords

Mitral valve repair Mechanical behavior modeling Fluid–structure interaction Smoothed particle hydrodynamics Total Lagrangian explicit dynamics finite element method 

Notes

Acknowledgments

The work is supported by grants from Gongdong Natural Science Foundation Project (No. 2016A030313047), Shenzhen Science and Technology Program (No.JCYJ20160429190300857), the Science and Technology Plan Project of Guangzhou (No.201704020141), and National Natural Science Foundation of China (No. 81601576).

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Weixin Si
    • 1
  • Xiangyun Liao
    • 2
  • Jing Qin
    • 1
  • Pheng Ann Heng
    • 2
    • 3
  1. 1.School of NursingThe Hong Kong Polytechnic UniversityHong KongChina
  2. 2.Shenzhen Key Laboratory of Virtual Reality and Human Interaction Technology, Shenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhenChina
  3. 3.Department of Computer Science and EngineeringThe Chinese University of Hong KongHong KongChina

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