On automated model discovery and a universal material subroutine for hyperelastic materials

M Peirlinck, K Linka, JA Hurtado, E Kuhl - Computer Methods in Applied …, 2024 - Elsevier
Constitutive modeling is the cornerstone of computational and structural mechanics. In a
finite element analysis, the constitutive model is encoded in the material subroutine, a …

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 …

Constitutive modelling of arteries

GA Holzapfel, RW Ogden - Proceedings of the Royal …, 2010 - royalsocietypublishing.org
This review article is concerned with the mathematical modelling of the mechanical
properties of the soft biological tissues that constitute the walls of arteries. Many important …

Modelling non-symmetric collagen fibre dispersion in arterial walls

GA Holzapfel, JA Niestrawska… - Journal of the …, 2015 - royalsocietypublishing.org
New experimental results on collagen fibre dispersion in human arterial layers have shown
that the dispersion in the tangential plane is more significant than that out of plane. A …

Multiphysics and multiscale modelling, data–model fusion and integration of organ physiology in the clinic: ventricular cardiac mechanics

R Chabiniok, VY Wang… - Interface …, 2016 - royalsocietypublishing.org
With heart and cardiovascular diseases continually challenging healthcare systems
worldwide, translating basic research on cardiac (patho) physiology into clinical care is …

Elastin and collagen fibre microstructure of the human aorta in ageing and disease: a review

A Tsamis, JT Krawiec, DA Vorp - Journal of the royal …, 2013 - royalsocietypublishing.org
Aortic disease is a significant cause of death in developed countries. The most common
forms of aortic disease are aneurysm, dissection, atherosclerotic occlusion and ageing …

Biomechanics of aortic wall failure with a focus on dissection and aneurysm: A review

S Sherifova, GA Holzapfel - Acta biomaterialia, 2019 - Elsevier
Aortic dissections and aortic aneurysms are fatal events characterized by structural changes
to the aortic wall. The maximum diameter criterion, typically used for aneurysm rupture risk …

Determination of the layer-specific distributed collagen fibre orientations in human thoracic and abdominal aortas and common iliac arteries

AJ Schriefl, G Zeindlinger… - Journal of the …, 2012 - royalsocietypublishing.org
The established method of polarized microscopy in combination with a universal stage is
used to determine the layer-specific distributed collagen fibre orientations in 11 human non …

Measurements of mechanical anisotropy in brain tissue and implications for transversely isotropic material models of white matter

Y Feng, RJ Okamoto, R Namani, GM Genin… - Journal of the mechanical …, 2013 - Elsevier
White matter in the brain is structurally anisotropic, consisting largely of bundles of aligned,
myelin-sheathed axonal fibers. White matter is believed to be mechanically anisotropic as …

Ageing of the conduit arteries

SE Greenwald - The Journal of Pathology: A Journal of the …, 2007 - Wiley Online Library
Conduit arteries become stiffer with age due to alterations in their morphology and the
composition of the their major structural proteins, elastin and collagen. The elastic lamellae …