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Energy decay in thermoelastic bodies with radial symmetry
(Springer Nature, 2022-06)
Article
Open AccessIn this paper, we consider the energy decay of some problems involving domains with radial symmetry. Three different settings are studied: a strong porous dissipation and heat conduction, a weak porous dissipation and heat ... -
On the time decay for the MGT-type porosity problems
(American Institute of Mathematical Sciences, 2022-08)
Article
Open AccessIn this work we study three different dissipation mechanisms arising in the so-called Moore-Gibson-Thompson porosity. The three cases correspond to the MGT-porous hyperviscosity (fourth-order term), the MGT-porous viscosity ... -
Numerical analysis of a problem involving a viscoelastic body with double porosity
(2022-02)
Article
Restricted access - publisher's policyWe study from a numerical point of view a multidimensional problem involving a vis- coelastic body with two porous structures. The mechanical problem leads to a linear system of three coupled hyperbolic partial differential ... -
On a mixture of an MGT viscous material and an elastic solid
(2022-01)
Article
Open AccessA lot of attention has been paid recently to the study of mixtures and also to the Moore–Gibson–Thompson (MGT) type equations or systems. In fact, the MGT proposition can be used to describe viscoelastic materials. In this ... -
Time decay for porosity problems
(2022-05-30)
Article
Open AccessIn this paper, we numerically study porosity problems with three different dissipa- tion mechanisms. The root behavior is analyzed for each case. Then, by using the finite element method and the Newmark- scheme, fully ... -
Time decay for several porous thermoviscoelastic systems of Moore-Gibson-Thompson type
(2021-10-27)
Article
Open AccessIn this paper, we consider several problems arising in the theory of thermoelastic bodies with voids. Four particular cases are considered depending on the choice of the constitutive tensors, assuming different dissipation ... -
Spatial behaviour of solutions of the Moore-Gibson-Thompson equation
(Springer Nature, 2021-11)
Article
Open AccessIn this note we study the spatial behaviour of the Moore-Gibson-Thompson equation. As it is a hyperbolic equation, we prove that the solutions do not grow along certain spatial-time lines. Given the presence of dissipation, ... -
An a priori error analysis of a porous strain gradient model
(Wiley-VCH, 2022-01)
Article
Open AccessIn this work, we consider, from the numerical point of view, a boundary-initial value problem for non-simple porous elastic materials. The mechanical problem is written as a coupled hyperbolic linear system in terms of ... -
Dual-phase-lag one-dimensional thermo-porous-elasticity with microtemperatures
(2021-09)
Article
Open AccessThis paper is devoted to studying the linear system of partial differential equations modelling a one-dimensional thermo-porous-elastic problem with microtemperatures in the context of the dual-phase-lag heat conduction. ... -
Dual-phase-lag heat conduction with microtemperatures
(2021-12)
Article
Open AccessIn this paper, we propose a system of equations governing the dual-phase-lag heat conduction with microtemperatures. Several conditions on the coefficients are imposed so that the energy of the system is positive definite ... -
A type III porous-thermo-elastic problem with quasi-static microvoids
(2021-12)
Article
Open AccessIn this work we study, from the numerical point of view, a one-dimensional thermoelastic problem where the thermal law is of type III. Quasi-static microvoids are also assumed within the model. The variational formulation ... -
On the theory of chiral plates and associated system of Timoshenko–Ehrenfest type
(2021-09)
Article
Restricted access - publisher's policyThe chiral effects cannot be described by means of the classical theory of elasticity. In this paper we study the thermoelastic deformation of chiral plates in the context of the strain gradient theory of thermoelasticity. ...
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