Rubber elasticity of polymer networks in explicitly non-Gaussian states. Statistical mechanics and LF-NMR inquiry in hydrogel systems

SA Mezzasalma, M Abrami, G Grassi… - International journal of …, 2022 - Elsevier
We present a statistical mechanics theory of rubber-like elasticity in swollen and unswollen
polymer networks characterized by explicitly non-Gaussian distribution functions (Laplace's …

Plane deformations of the Varga material

DJ Arrigo, TC Chism - Mathematics and Mechanics of Solids, 2024 - journals.sagepub.com
The governing equations for plane deformations of isotropic incompressible hyperelastic
materials are highly nonlinear, and consequently, very few exact solutions are known. As far …

Transformations and equation reductions in finite elasticity I: Plane strain deformations

JM Hill, DJ Arrigo - Mathematics and Mechanics of Solids, 1996 - journals.sagepub.com
For a particular finite elastic material, the governing fourth order nonlinear partial differential
equations for plane strain deformations are shown to admit a new first integral, which …

Combined effects of axial load and temperature on finite deformation of incompressible thermo-hyperelastic cylinder

J Xu, X Yuan, H Zhang, Z Zhao, W Zhao - Applied Mathematics and …, 2019 - Springer
A finite deformation problem is examined for a cylinder composed of a class of
incompressible thermo-hyperelastic Mooney-Rivlin materials under an equal axial load at its …

Study on cavitated bifurcation problems for spheres composed of hyper-elastic materials

XG Yuan, ZY Zhu, CJ Cheng - Journal of engineering mathematics, 2005 - Springer
In this paper, spherical cavitated bifurcation problems are examined for incompressible
hyper-elastic materials and compressible hyper-elastic materials, respectively. For …

Large time approximation for shearing motions

G Saccomandi, L Vergori - SIAM Journal on Applied Mathematics, 2016 - SIAM
Small-and large-amplitude oscillatory shear tests are widely used by experimentalists to
measure, respectively, linear and nonlinear properties of viscoelastic materials. These tests …

Transformations and equation reductions in finite elasticity II: Plane stress and axially symmetric deformations

DJ Arrigo, JM Hill - Mathematics and Mechanics of Solids, 1996 - journals.sagepub.com
In Part I of this article, the problem of determining plane deformations of a particular perfectly
elastic material is shown to give rise to three second order problems. These are evidently …

A Lie group analysis of the axisymmetric equations of finite elastostatics for compressible materials

CO Horgan, JG Murphy - Mathematics and mechanics of …, 2005 - journals.sagepub.com
Many boundary-value problems in nonlinear elastostatics for incompressible isotropic
materials have been solved analytically. The situation for compressible materials is quite …

Transformations and equation reductions in finite elasticity III: A general integral for plane strain deformations

JM Hill, DJ Arrigo - Mathematics and Mechanics of Solids, 1999 - journals.sagepub.com
In parts I and II of this work, for plane strain, plane stress, and axially symmetric
deformations, a number of first integrals are obtained for the so-called perfectly elastic Mirga …

On axially symmetric deformations of perfectly elastic compressible materials

JM HILL, DJ ARRIGO - The Quarterly Journal of Mechanics and …, 1996 - academic.oup.com
The governing partial differential equations for static deformations of homogeneous isotropic
compressible hyperelastic materials (sometimes referred to simply as perfectly elastic …