Journal ArticleDOI
Thermally induced vibrations of piezo‐thermo‐viscoelastic composite beam with relaxation times and system response
TLDR
In this article, the authors present numerical studies on thermally induced vibrations of piezo-thermo-viscoelastic composite beam subjected to a transient thermal load using coupled finite element method.Abstract:
Purpose – The purpose of this paper is to present numerical studies on thermally induced vibrations of piezo‐thermo‐viscoelastic composite beam subjected to a transient thermal load using coupled finite element method.Design/methodology/approach – The thermal relaxation and viscoelastic relaxations are taken into consideration to obtain the system response. The concept of “memory load” along with the thermal relaxation is accounted for viscoelastic core material. The influence of type of core material on the response of the system also analyzed.Findings – The findings show viscoelastic behavior with relaxation times in composite sandwich structures.Originality/value – The paper shows accounting relaxation times as a memory load in composite sandwich structures.read more
Citations
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Dynamic modeling and vibration analysis of rotating beams with active constrained layer damping treatment in temperature field
TL;DR: In this article, a rigid-flexible coupled dynamic model considering temperature variation is developed for rotating beams with active constrained layer damping (ACLD) treatment in closed-loop and open-loop cases.
Journal ArticleDOI
Geometrically nonlinear response of FGM joined conical–conical shells subjected to thermal shock
TL;DR: In this paper , the thermally nonlinear thermally induced vibrations of functionally graded material (FGM) joined conical-conical shells are analyzed in the case of a single conical shell and the total functional of the shell is obtained under the assumptions of uncoupled thermoelasticity laws, first order shear deformation shell theory, and the von Kármán type of geometrical nonlinearity.
Journal ArticleDOI
Thermoelastic and Pyroelectric Couplings Effects on Dynamics and Active Control of Smart Piezolaminated Beam Modeled by Finite Element Method
TL;DR: In this article, a generic thermopiezoelastic theory for piezolaminated composite beam is derived using the linear constitutive equations in Hamilton's principle together with the finite element approximations.
Journal ArticleDOI
Optimal control of thermoelastic beam vibrations by piezoelectric actuation
Ibrahim Sadek,Marwan Abukhaled +1 more
TL;DR: In this article, the vibration suppression of a thermoelastic beam subject to sudden heat input by a single piezoelectric actuator is studied. And the solution method is based on a combination of modal expansion and variational approaches.
Journal ArticleDOI
Application of GDQ method to large amplitude response of FGM joined spherical-conical shells under rapid surface heating
TL;DR: In this paper , the thermally induced vibrations of FGM joined spherical-conical shells are analyzed and the total functional of the shells are obtained under the assumptions of uncoupled thermoelasticity laws, first order shear deformation shell theory, and the von Kármán type of geometrical nonlinearity.
References
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Journal ArticleDOI
A thermo-mechanical shock problem for thermoelasticity with two relaxation times
TL;DR: In this article, a half-space governed by the equations of thermoelasticity with two relaxation times is considered and the bounding plane is acted upon by a combination of a thermal and a mechanical shock acting for a finite period of time.
Journal ArticleDOI
A two-dimensional generalized thermal shock problem for a half-space in electromagneto-thermoelasticity
TL;DR: In this article, the generalized electromagneto-thermoelastic coupled finite element equations are first formulated by means of the Laplace transform and numerical Laplace inversion, and the distributions of the considered physical variables are represented graphically.
Journal ArticleDOI
Thermally induced vibration of laminated circular cylindrical shell panels
Jeng-Shian Chang,Jaw-Wang Shyong +1 more
TL;DR: In this paper, a two-dimensional finite element study of the transient response of laminated thin circular cylindrical shell panels subjected to thermal impact under the framework of linear coupled thermoelasticity is presented.
Journal ArticleDOI
Eigen value approach to study the effect of rotation and relaxation time in two dimensional problems of generalized thermoelasticity
TL;DR: In this paper, the authors used the joint Laplace and Fourier transforms to transform the governing equations into a vector-matrix differential equation which is then solved by the eigenvalue approach.
A Viscoelastic Higher-Order Beam Finite Element
Arthur R. Johnson,A. Tessler +1 more
TL;DR: In this paper, a viscoelastic internal variable constitutive theory is applied to a higher-order elastic beam theory and finite element formulation, where the behavior of the viscous material in the beam is approximately modeled as a Maxwell solid.
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