Representation of stress and free energy for a viscoelastic body from a stressed reference

S Mukherjee, P Ravindran - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
Viscoelastic materials are often initially or residually stressed in the reference configuration.
This stress and associated configuration may also evolve temporally without any external …

Application of sensitivity analysis in extension, inflation, and torsion of residually stressed circular cylindrical tubes

H Asghari, H Topol, B Markert, J Merodio - Probabilistic Engineering …, 2023 - Elsevier
This paper deals with applying two main sensitivity analysis (SA) methods, namely, the
Sobol method and the Fourier Amplitude Sensitivity Test (FAST) method on the problem of …

Computational bifurcation analysis for hyperelastic residually stressed tubes under combined inflation and extension and aneurysms in arterial tissue

D Desena-Galarza, H Dehghani, NK Jha… - Finite Elements in …, 2021 - Elsevier
In this investigation, the mechanical modelling of a hyperelastic residually stressed thick-
walled circular cylindrical tube under inflation and extension is performed from a numerical …

On the helical buckling of anisotropic tubes with application to arteries

NK Jha, S Moradalizadeh, J Reinoso, H Topol… - Mechanics Research …, 2023 - Elsevier
The helical stability experienced by elastic cylinders is investigated using numerical
methods. A doubly fiber-reinforced incompressible nonlinear elastic tube subject to axial …

The effects of viscoelasticity on residual strain in aortic soft tissues

W Zhang, G Sommer, JA Niestrawska, GA Holzapfel… - Acta Biomaterialia, 2022 - Elsevier
Residual stress is thought to play a critical role in modulating stress distributions in soft
biological tissues and in maintaining the mechanobiological stress environment of cells …

Application of the extended Fourier amplitude sensitivity testing (FAST) method to inflated, axial stretched, and residually stressed cylinders

H Asghari, H Topol, B Markert, J Merodio - Applied Mathematics and …, 2023 - Springer
This paper is dedicated to applying the Fourier amplitude sensitivity test (FAST) method to
the problem of mixed extension and inflation of a circular cylindrical tube in the presence of …

Modelling of residually stressed, extended and inflated cylinders with application to aneurysms

A Font, NK Jha, H Dehghani, J Reinoso… - Mechanics Research …, 2021 - Elsevier
The paper presents the localized bifurcation abnormal enlargement associated with certain
human diseases such as abdominal aortic aneurysms (AAA), among others. The constitutive …

A phase field approach to fracture for hyperelastic and visco-hyperelastic materials applied to pre-stressed cylindrical structures

A Valverde-González, J Reinoso, NK Jha… - Mechanics of …, 2024 - Taylor & Francis
In this investigation, the mechanical modeling of nonlinear visco-hyperelastic residually
stressed materials obtained from an invariant-based constitutive energy framework is …

Finite strain PHFGMC micromechanics with damage and failure

U Breiman, I Meshi, J Aboudi, R Haj-Ali - Acta Mechanica, 2022 - Springer
The parametric high-fidelity generalized method of cells (PHFGMC) is further developed for
the prediction of damage and progressive failure of composites undergoing large …

An anisotropic constitutive model for fiber-reinforced materials including gradient-extended damage and plasticity at finite strains

H Holthusen, T Brepols, S Reese, JW Simon - Theoretical and Applied …, 2020 - Elsevier
An anisotropic, in particular transversal isotropic, thermodynamically consistent material
model for unidirectional fiber composite layers at finite strain is proposed. To account for the …