An implicit constitutive relation for describing the small strain response of porous elastic solids whose material moduli are dependent on the density

KR Rajagopal - Mathematics and Mechanics of Solids, 2021 - journals.sagepub.com
In this short note, we develop a constitutive relation that is linear in both the Cauchy stress
and the linearized strain, by linearizing implicit constitutive relations between the stress and …

A new type of constitutive equation for nonlinear elastic bodies. Fitting with experimental data for rubber-like materials

R Bustamante, KR Rajagopal - Proceedings of the …, 2021 - royalsocietypublishing.org
In this article, we develop a new implicit constitutive relation, which is based on a
thermodynamic foundation that relates the Hencky strain to the Cauchy stress, by assuming …

Pure bending of an elastic prismatic beam made of a material with density-dependent material parameters

V Průša, KR Rajagopal… - … and Mechanics of Solids, 2022 - journals.sagepub.com
We investigate the pure bending of an elastic prismatic beam, but unlike in the classical
setting we assume that the material parameters are density-dependent. The corresponding …

[HTML][HTML] A new class of Finitely Extensible Nonlinear Elastic FENE-P model obtained with a thermodynamical approach and the use of compressible natural …

JP Gomez-Constante, LI Palade - Applications in Engineering Science, 2023 - Elsevier
In a recent contribution to the fundamental understanding of polymer fluid dynamics,
Khambhampati and Rajagopal (2021) established a connection between the natural …

[HTML][HTML] A hyperelastic viscoplastic damage model for large deformation mechanics of rate-dependent soft materials

P Narayanan, R Pramanik, A Arockiarajan - European Journal of …, 2023 - Elsevier
Soft materials undergo large mechanical deformation prior to failure when subjected to
external loads. They exhibit nonlinearity alongside coupled elastic, viscous, and plastic …

A non-linear complementary energy-based constitutive model for incompressible isotropic materials

E Bertóti - International Journal of Non-Linear Mechanics, 2023 - Elsevier
Inverse non-linear stress–strain relations between the logarithmic Hencky strain tensor and
the Cauchy stress tensor are derived for incompressible isotropic materials. The constitutive …

Incremental equations and propagation of small amplitude waves for isotropic incompressible elastic bodies. The case the Hencky strain tensor is a function of the …

R Bustamante - International Journal of Engineering Science, 2023 - Elsevier
For a relatively new class of constitutive equation for incompressible elastic bodies, wherein
the Hencky strain tensor is a function of the Cauchy stress tensor, incremental equations are …

On a class of implicit constitutive relations for nonlinear elastic bodies

M Shariff, R Bustamante - International Journal of Engineering Science, 2024 - Elsevier
If an elastic body is defined as one that does not dissipate energy into heat, the classes of
elastic bodies not only include the Green elastic solid, but also some types of implicit …

A thermodynamic basis for implicit rate-type constitutive relations describing the inelastic response of solids undergoing finite deformation

D Cichra, V Průša - Mathematics and Mechanics of Solids, 2020 - journals.sagepub.com
Implicit rate-type constitutive relations utilising discontinuous functions provide a novel
approach to the purely phenomenological description of the inelastic response of solids …

On incompressible heat-conducting viscoelastic rate-type fluids with stress-diffusion and purely spherical elastic response

M Bulíček, J Málek, V Průša, E Süli - SIAM Journal on Mathematical …, 2021 - SIAM
We prove the existence of large-data global-in-time weak solutions to an evolutionary PDE
system describing flows of incompressible heat-conducting viscoelastic rate-type fluids with …