On the biomechanics of heart valve function

MS Sacks, WD Merryman, DE Schmidt - Journal of biomechanics, 2009 - Elsevier
Heart valves (HVs) are fluidic control components of the heart that ensure unidirectional
blood flow during the cardiac cycle. However, this description does not adequately describe …

Bioengineering challenges for heart valve tissue engineering

MS Sacks, FJ Schoen… - Annual review of …, 2009 - annualreviews.org
Surgical replacement of diseased heart valves by mechanical and tissue valve substitutes is
now commonplace and enhances survival and quality of life for many patients. However …

An immersogeometric variational framework for fluid–structure interaction: Application to bioprosthetic heart valves

D Kamensky, MC Hsu, D Schillinger, JA Evans… - Computer methods in …, 2015 - Elsevier
In this paper, we develop a geometrically flexible technique for computational fluid–structure
interaction (FSI). The motivating application is the simulation of tri-leaflet bioprosthetic heart …

Isogeometric Kirchhoff–Love shell formulations for general hyperelastic materials

J Kiendl, MC Hsu, MCH Wu, A Reali - Computer Methods in Applied …, 2015 - Elsevier
We present formulations for compressible and incompressible hyperelastic thin shells which
can use general 3D constitutive models. The necessary plane stress condition is enforced …

Fluid–structure interaction analysis of bioprosthetic heart valves: significance of arterial wall deformation

MC Hsu, D Kamensky, Y Bazilevs, MS Sacks… - Computational …, 2014 - Springer
We propose a framework that combines variational immersed-boundary and arbitrary
Lagrangian–Eulerian methods for fluid–structure interaction (FSI) simulation of a …

Dynamic and fluid–structure interaction simulations of bioprosthetic heart valves using parametric design with T-splines and Fung-type material models

MC Hsu, D Kamensky, F Xu, J Kiendl, C Wang… - Computational …, 2015 - Springer
This paper builds on a recently developed immersogeometric fluid–structure interaction
(FSI) methodology for bioprosthetic heart valve (BHV) modeling and simulation. It enhances …

A framework for designing patient‐specific bioprosthetic heart valves using immersogeometric fluid–structure interaction analysis

F Xu, S Morganti, R Zakerzadeh… - … journal for numerical …, 2018 - Wiley Online Library
Numerous studies have suggested that medical image derived computational mechanics
models could be developed to reduce mortality and morbidity due to cardiovascular …

Patient-specific isogeometric structural analysis of aortic valve closure

S Morganti, F Auricchio, DJ Benson… - Computer methods in …, 2015 - Elsevier
We investigate the use of Isogeometric Analysis for the model construction and simulation of
aortic valve closure. We obtain converged results and compare with benchmark finite …

Comparison of transcatheter aortic valve and surgical bioprosthetic valve durability: a fatigue simulation study

C Martin, W Sun - Journal of biomechanics, 2015 - Elsevier
Transcatheter aortic valve (TAV) intervention is now the standard-of-care treatment for
inoperable patients and a viable alternative treatment option for high-risk patients with …

Fluid–structure interaction models of bioprosthetic heart valve dynamics in an experimental pulse duplicator

JH Lee, AD Rygg, EM Kolahdouz, S Rossi… - Annals of biomedical …, 2020 - Springer
Computer modeling and simulation is a powerful tool for assessing the performance of
medical devices such as bioprosthetic heart valves (BHVs) that promises to accelerate …