Stan Chiriţă

Alexandru Ioan Cuza University

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Michele Ciarletta

University of Salerno

Ciro D’Apice

University of Salerno

Vittorio Zampoli

University of Salerno

Cătălin Galeş

Alexandru Ioan Cuza University

Vincenzo Tibullo

University of Salerno

Ionel–Dumitrel Ghiba

Alexandru Ioan Cuza University

Alexandre Danescu

Institut des Nanotechnologies de Lyon

Salvatore Rionero

University of Naples Federico II

M. Aron

Babeș-Bolyai University

Andreea Arusoaie

Alexandru Ioan Cuza University

Cooperative Institutions

University of Salerno

Alexandru Ioan Cuza University

Istituto di Matematica Applicata e Tecnologie Informatiche

Romanian Academy

University of Naples Federico II

John Brown University

University of Bologna

Universitat Politècnica de Catalunya

University of Catania

University of Ferrara

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On Some Growth-Decay Results in Thermoelasticity of Porous Media

Journal of Thermal Stresses (2006)

Michele Ciarletta Stan Chiriţă

In this paper we study the spatial behaviour for a large class of isotropic and homogeneous porous thermoelastic materials for which the constitutive coefficients are supposed to satisfy some relaxed positive definiteness conditions. By using some appropriate measures, we are able to establish results describing the spatial behaviour of transient and steady-state solutions in these enlarged classes of thermoelastic porous materials.

Thermoelastic damping

Positive definiteness

Transient (computer programming)

10.1080/01495730600705547

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Citations (8)

EXISTENCE AND UNIQUENESS THEOREMS FOR LINEAR COUPLED THERMOELASTICITY WITH MICROSTRUCTURE

Journal of Thermal Stresses (1979)

Stan Chiriţă

This paper is concerned with the linear dynamic theory of thermoelastic solids with microstructure. Existence and uniqueness theorems and general properties of regularity for the solution of initial-boundary-value problems are established.

10.1080/01495737908962398

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Citations (6)

Spatial behavior for some non-standard problems in linear thermoelasticity without energy dissipation

Journal of Mathematical Analysis and Applications (2009)

Stan Chiriţă Michele Ciarletta

Thermoelastic damping

Linear elasticity

Pointwise

Elasticity

10.1016/j.jmaa.2009.12.014

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Citations (9)

Elastic and thermal effects upon the propagation of waves with assigned wavelength

Proceedings of the Royal Society A Mathematical Physical and Engineering Sciences (2022)

Vittorio Zampoli Stan Chiriţă

It is well known that harmonic longitudinal elastic waves propagate without damping in time, while the heat equation leads to standing modes that decrease exponentially over time. In this article, it is shown that the elastic deformation when coupled with thermal deformation leads to the following effects on the propagation of harmonic longitudinal waves and on standing modes: (a) the harmonic longitudinal waves become damped in time; (b) the standing modes suffer a slower decrease in time in relation to the pure thermal modes; and (c) the propagation speed of harmonic longitudinal waves increases in relation to that predicted by the purely elastic theory. The dependence of the dimensionless parameters that characterize the effects described at these previous points in relation to the material and coupling characteristics is explicitly presented and then is numerically simulated and graphically illustrated. As regards the Rayleigh waves class, although a rigorous mathematical proof is not offered, the numerical results presented for a lot of common thermoelastic materials show the same effects of thermoelastic coupling as in the case of longitudinal harmonic plane waves. The present article systematically synthesizes the thermal effects on wave propagation, and it provides a reference work with regard to the thermoelastic coupling.

Thermoelastic damping

Rayleigh Wave

Dimensionless quantity

Harmonic

Love wave

10.1098/rspa.2022.0478

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Citations (2)

On the spatial decay of solutions in the theory of swelling porous thermoelastic soils

International Journal of Engineering Science (2004)

Stan Chiriţă

Thermoelastic damping

Mixture theory

10.1016/j.ijengsci.2004.08.003

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Citations (7)

High-order effects of thermal lagging in deformable conductors

International Journal of Heat and Mass Transfer (2018)

Stan Chiriţă

Thermoelastic damping

Lagging

10.1016/j.ijheatmasstransfer.2018.08.074

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Citations (8)

Thermal stresses in anisotropic cylinders

Acta Mechanica (1975)

Stan Chiriţă

10.1007/bf01174027

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Citations (11)

Spatial behavior in the vibrating thermoviscoelastic porous materials

Discrete and Continuous Dynamical Systems - B (2014)

Stan Chiriţă

In this paper we study the spatial behavior of the amplitude of the steady-state vibrations in a thermoviscoelastic porous beam. Here we take into account the effects of the viscoelastic and thermal dissipation energies upon the corresponding harmonic vibrations in a right cylinder made of a thermoviscoelastic porous isotropic material. In fact, we prove that the positiveness of the viscoelastic and thermal dissipation energies are sufficient for characterizing the spatial decay and growth properties of the harmonic vibrations in a cylinder.

Harmonic

10.3934/dcdsb.2014.19.2027

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Citations (3)

Spatial decay and growth properties for the incremental thermoelasticity

Zeitschrift für angewandte Mathematik und Physik (2000)

Stan Chiriţă Alexandre Danescu

10.1007/pl00001506

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Citations (3)

Wave propagation and attenuation in time in local thermal non-equilibrium triple porosity thermoelastic medium

Acta Mechanica (2021)

Stan Chiriţă Cătălin Galeş

Thermoelastic damping

10.1007/s00707-021-03044-y

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Citations (3)