Biomechanical properties of native and tissue engineered heart valve constructs

A Hasan, K Ragaert, W Swieszkowski, Š Selimović… - Journal of …, 2014 - Elsevier
Due to the increasing number of heart valve diseases, there is an urgent clinical need for off-
the-shelf tissue engineered heart valves. While significant progress has been made toward …

Multiaxial mechanical behavior of biological materials

MS Sacks, W Sun - Annual review of biomedical engineering, 2003 - annualreviews.org
▪ Abstract For native and engineered biological tissues, there exist many physiological,
surgical, and medical device applications where multiaxial material characterization and …

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 …

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 generic physics-informed neural network-based constitutive model for soft biological tissues

M Liu, L Liang, W Sun - Computer methods in applied mechanics and …, 2020 - Elsevier
Constitutive modeling is a cornerstone for stress analysis of mechanical behaviors of
biological soft tissues. Recently, it has been shown that machine learning (ML) techniques …

The effects of aneurysm on the biaxial mechanical behavior of human abdominal aorta

JPV Geest, MS Sacks, DA Vorp - Journal of biomechanics, 2006 - Elsevier
The biomechanical response of normal and pathologic human abdominal aortic tissue to
uniaxial loading conditions is insufficient for the characterization of its three-dimensional …

Fluid–structure interaction, immersed boundary-finite element method simulations of bio-prosthetic heart valves

I Borazjani - Computer Methods in Applied Mechanics and …, 2013 - Elsevier
A three-dimensional fluid–structure interaction (FSI) framework for rigid bodies has been
extended to deformable soft tissue by coupling a sharp-interface immersed boundary …

Affine versus non-affine fibril kinematics in collagen networks: theoretical studies of network behavior

PL Chandran, VH Barocas - 2006 - asmedigitalcollection.asme.org
The microstructure of tissues and tissue equivalents (TEs) plays a critical role in determining
the mechanical properties thereof. One of the key challenges in constitutive modeling of TEs …

Collagen fiber alignment and biaxial mechanical behavior of porcine urinary bladder derived extracellular matrix

TW Gilbert, S Wognum, EM Joyce, DO Freytes… - Biomaterials, 2008 - Elsevier
The collagen fiber alignment and biomechanical behavior of naturally occurring extracellular
matrix (ECM) scaffolds are important considerations for the design of medical devices from …

On planar biaxial tests for anisotropic nonlinearly elastic solids. A continuum mechanical framework

GA Holzapfel, RW Ogden - Mathematics and mechanics of …, 2009 - journals.sagepub.com
The mechanical testing of anisotropic nonlinearly elastic solids is a topic of considerable
and increasing interest. The results of such testing are important, in particular, for the …