Mohammad Arefi

University of Kashan · Department of Solid Mechanics

In the present research, the static bending analysis of a three-layer sandwich cylindrical panel with a re-entrant auxetic honeycomb core and polymeric face sheets reinforced with graphene nanoplatelets (GNPs) resting on an elastic foundation in a thermal environment is investigated. The mechanical properties of the nanocomposite GNP-reinforced fac...

Static bending responses of a pressurized composite cylindrical shell made of a copper matrix reinforced with functionally graded graphene origami are studied in this paper. The kinematic relations are extended based on a new higher-order shear and normal deformation theory in the axisymmetric framework. The constitutive relations are extended for...

In this new work, we will investigate the application of a higher-order shear deformable model for elastostatic higher-order displacement, strain, and stress analyses of a shear deformable cylindrical shell. The composite structure is assumed to be composed of a Cu-based matrix reinforced with foldable nanographene, in a thermal environment. The cy...

This work applies a higher order thickness-stretched model for the electro-elastic analysis of the composite graphene origami reinforced square plate sandwiched by the piezoelectric/piezomagnetic layers subjected to the thermal, electric, magnetic and mechanical loads. The plate is manufactured of a copper matrix reinforced with graphene origami wh...

This paper presents dynamic formulation for a sandwich cylindrical panel based on higher order shear-deformation theory and Hamilton’s principle. The sandwich cylindrical panel is composed of a porous core sandwiched by two graphene origami-reinforced copper matrix layers. The material properties of porous core and graphene origami-reinforced coppe...

This paper presents geometric-based nonlinear formulation of a composite sandwich plate on the elastic foundation based on first-order shear deformation theory. The composite sandwich plate is fabricated from a porous core integrated with two carbon-nanotubes-reinforced face sheets. After developing the kinematic relations based on first-order shea...

The aim of this research is to analyze the displacements, strains, and stresses is made in the thick-walled cylindrical pressure vessels with a variable thickness subjected to mechanical and thermal loading created of functionally graded porous materials with clamped-clamped boundary conditions. Linear profile is considered for variable thickness....

In this study, a novel mixture model of elasticity, that can cover all size-dependent theories together with simultaneously taking of softening and stiffening impacts, is regarded as mathematical modeling and dynamic analysis of Timoshenko nanobeams. Since the mixture model is the combination of Eringen's two-phase theory with two-phase stress-driv...

Dynamic formulation of a sandwich microshell is studied in this paper based on modified couple stress theory (MCST) and accounting thickness stretching kinematic relations. Hamilton’s principle is used to derive basic governing equations in the size-dependent framework in microscale. The model is a sandwich double-curved microshell composed of a mi...

The effect of graphene nanoplatelets (GPLs) as a nanofillers’ reinforcement is studied on the thermomechanical buckling loads of a reinforced composite nanobeam. The virtual work principle is used to derive governing equations of a shear deformable model. Effective mechanical and thermal properties are computed based on the Halpin–Tsai model for va...

This paper studies nonlinear vibration analysis of a graphene nanoplatelets’ composite sandwich. The core and two face-sheets of composite sandwich plate are fabricated from a honeycomb material and graphene nanoplatelet (GNP) reinforcements, respectively. Displacement field of sandwich plate is developed based on first-order shear deformation theo...

The nonlocal strain gradient theory for the static bending analysis of graphene nanoplatelets (GPLs) reinforced the nanoplate is developed in this paper. The nanoplatelet is exposed to thermo-mechanical loads and is also supposed to stand on an elastic foundation. For computing impressive composite material characteristics, the Halpin-Tsai model is...

This paper investigates creep analysis of a plate made of Al-SiC functionally graded material using Mendelson's method of successive elastic solution. All mechanical and thermal material properties, except Poisson's ratio, are assumed to be variable along the thickness direction based on the volume fraction of reinforcement and thickness. First, th...

Coaxial magnetic gear is a cutting-edge technology introduced a few years ago. Its middle rotor is a rotating steel cylindrical shell with a variable array of holes that are filled by brass screws, hence it is such a complicated structure due to these holes. At first glance, it seems impossible to apply shear deformation theories to this unusual ge...

PurposeTo study free vibration and bending analyses of a sandwich microbeam with a functionally graded (FG) porous core and two polymeric face sheets reinforced with graphene nanoplatelets (GPLs).Methods In this paper, the modified couple stress theory (MCST) and a quasi-3D trigonometric shear deformation beam theory are employed. The resultant mat...

Thickness stretching included formulation of a multi-layered doubly curved shell in small scale is studied in the present work. Out-of-plane normal strain is accounted in our formulation based on a higher-order theory. Based on this theory, the total transverse deflection is divided into three portions named as bending, shear and stretching parts....

In this research, mechanical stress, static strain and deformation analyses of a cylindrical pressure vessel subjected to mechanical loads are presented. The kinematic relations are developed based on higher-order sinusoidal shear deformation theory. Thickness stretching formulation is accounted for more accurate analysis. The total transverse defl...

Buckling analysis of a functionally graded (FG) cylindrical nano shell is studied in this paper based on nonlocal elasticity theory and first-order shear deformation theory. The nano shell is made from a combination of ceramic and metal integrated with carbon-nanotube reinforced composite (CNTRC) sheets on outer radius. The reinforced composite nan...

This paper investigates the free vibration characteristics of a stiffened micro lattice plate with the graphene nanoplatelets (GPLs) using the modified couple stress theory and sinusoidal shear deformation theory. The governing equations of motion are derived using the Hamilton’s principle. Solution procedure is developed based on Navier’s techniqu...

This work studies electro-magneto-mechanical critical loads of a shear deformable cylindrical panel subjected to a combination of electric, magnetic, and mechanical loads. A higher-order shear deformation model is used to derive kinematic relations. The critical load equations are extracted using the virtual work’s principle. The buckling loads are...

This paper studies electromagnetoelastic static investigation of a sandwich doubly curved microshell subjected to multi-field loading based on a new thickness stretching included refined higher order shear/normal deformable model. Modified-couple-stress-theory (MCST) is used for accounting small-scale-dependency. The numerical results are derived u...

Thermo-elasto-plastic analysis of a rotating disc made of Functionally Graded Materials (FGMs) is studied in this paper using Successive Approximation Method (SAM). The plane stress condition is assumed for formulation of the problem. After computation of effective material properties based on modified mixture rule, the governing equations are deri...

In this study, the thermoelastic stress analysis of a thick-walled cylinder made of functionally graded material (FGM) is investigated. The FGM is assumed a mixture of aluminum and silicone carbide in which the effective material properties are estimated through modified mixture law. Temperature distribution is obtained using the solution of one-di...

In recent years, there are numerous papers that deal with two-phase strain-driven model, including softening effect, and two-phase stress-driven model, with stiffening effect, and also the nonlocal strain gradient model, with both the softening and stiffening effects, to seek the impacts of length scales on the mechanics of structures in small scal...

In this paper, dynamic characteristics of microconical sandwich shells are investigated. The microshell is considered to consist of a porous core made of a polymer and two face sheets made of that polymer which is reinforced by graphene nanoplatelets (GPLs). The face sheets effective mechanical characteristics are estimated utilizing the rule of mi...

This chapter studies free vibration analysis of a functionally graded composite microplate reinforced with graphene nanoplatelets. The composite microplate is rested on Pasternak’s foundation. The microplate is subjected to thermal and mechanical loads. To account for size dependency in our formulation, the modified strain gradient theory is used w...

The dynamic response of an anisotropic multilayer magneto-electro-elastic (MEE) plate due to an external excitation is investigated in this work, using the stiffness matrix approach. A parametric study is performed by varying the stacking sequence, polarization direction, boundary conditions, and interlayer thickness. The proposed method yields the...

Dynamic analysis of a functionally-graded (FG) cylindrical micro shell is investigated in this work. Effect of small parameter in micro scale is included in fundamental relations based on modified couple stress theory (MCST). For more precise analyzing the structure, third-order shear deformation theory (TSDT) is employed as kinematic relations. Th...

In this work, nonlocal dynamic formulation of a graphene nanoplatelets reinforced composite doubly curved micro/nano shell is presented based on Hamilton’s principle using a shear deformable model. The structure is composed of a honeycomb core integrated with graphene nanoplatelets reinforced face-sheets. The material properties of honeycomb core a...

In this paper, the elastic, elastoplastic, and thermal residual stresses due to autofrettage in a thick-walled spherical structure have been investigated. A steady-state radial temperature gradient has been applied throughout the thickness of the shell structure made of elastic-perfect-plastic constitutive material. This temperature gradient is ass...

In this paper, size-dependent static bending and also free and forced vibration analyses of composite microplates are studied based on the modified couple stress theory (MCST) and quasi-3D sinusoidal shear deformation theory. The composite microplate is composed of epoxy reinforced with functionally graded graphene nanoplatelets (GPLs). The governi...

The first-order shear deformation theory (FSDT) and modified couple stress theory (MCST) are employed in this paper to investigate the free vibrational behavior of rotating truncated conical sandwich microshells. It is assumed that the sandwich microshell is made of polymer, the core is porous, and two face sheets are reinforced with graphene nanop...

This paper uses higher-order shear deformation theory and modified couple stress theory (MCST) to the electroelastic results of FG micro-shell integrated with piezoelectric thin sheets subjected to electrical and mechanical loads rested on Pasternak’s foundation. Third-order shear deformation theory (TSDT) is used for the description of the displac...

In the present work, the general stiffness matrix method is extended in the case of a functionally graded magneto-electro-elastic plate to analyze the free vibration response of a functionally graded composite plate. The material properties are assumed to be continuously graded in the thickness direction. The novelty of this paper is to utilize thi...

In this paper, the thermo-elasto-plastic behavior of a thick walled cylindrical shell made of a Functionally Graded Material (FGM) is analyzed by Successive Approximation Method (SAM). The FGM ingredients include Aluminum and Silicon Carbide in which the effective material properties are estimated using the Modified Rule of Mixture. The shell is su...

This paper studies free vibration analysis of cylindrical micro/nano shell made from a mixture of ceramic/metal, reinforced with some carbon-nanotube-reinforced (CNTRC) patches, based on shear deformation theory and nonlocal elasticity theory. Extended rule of mixture and power law model are utilized to find effective properties of composite patche...

This article is concerned with the propagation of guided type-Lamb waves in a magneto-electro-elastic composite plate. As a numerical method, the ordinary differential equation with the Thomson Haskell parameterization of Stroh formalism is employed to determine the wave characteristics in the composite plate by imposing the traction-free boundary...

This paper investigates electro-magneto-elastic free vibration responses of piezomagnetic cylindrical nano panel subjected to electro-magneto-mechanical loads based on third-order theory. Third-order shell theory is used for description of the displacement field. The zero transverse shear strains are obtained using the third-order displacement fiel...

This paper develops electro-elastic relations of functionally graded cylindrical nanoshell integrated with intelligent layers subjected to multi-physics loads resting on elastic foundation. The piezoelectric layers are actuated with external applied voltage. The nanocore is assumed in-homogeneous in which the material properties are changed continu...

This paper investigates vibration responses of cylindrical nano-shell using the higher-order shear deformation theory. Small scale is considered using the Eringen nonlocal elasticity theory. The cylindrical nano-shell is assumed that made from functionally graded materials in which power-law distribution is used. For more accurate modeling the nano...

Buckling analysis of functionally graded piezoelectric nanoshell is studied in this paper based on the higher-order shear and normal deformation theory and accounting thickness stretching effect. The nanoshell is subjected to axial load, applied electric potential and thermal loads. Thickness stretching effect is accounted in the analysis based on...

The present paper investigates size-dependent buckling analysis of a functionally graded cylindrical micro/nano shell integrated with a regular pattern of piezoelectric segments based on first-order shear deformation theory and virtual work principle. The piezoelectric segments are actuated with external voltage. The nonlocal electro-elastic relati...

Analysis of graphene nanoplatelets (GPLs) reinforced cylindrical shell subjected to thermo-mechanical loads is studied in this paper based on shear deformation theory. Halpin-Tsai micromechanical model and rule of mixtures are used for calculation of effective material properties of composite materials with different distributions of reinforcements...

Transient stress and deformation analysis of a functionally graded rotating cylinder made of Al-Sic with short length under thermal and mechanical loads is studied in this paper. It is assumed that the cylinder is located on a friction bed and is subjected to an external torque. The material property is assumed to be variable along the radial direc...

The present article studies free vibration analysis of sandwich doubly curved shell composed of a honeycomb core and carbon nanotubes (CNTs) reinforced piezoelectric face-sheets. First-order shear deformation theory as well as Hamilton’s principle is employed to derive the governing equations of motion. The effective material properties of core and...

The present paper studies buckling and free vibration analyses of sandwich beam. The sandwich beam is composed of a soft core integrated with functionally graded graphene nanoplatelets reinforced composite face sheets. Kinematic relations are developed based on Extended Higher-Order Sandwich Beam Theory (EHSPT). The governing equations are derived...

This article studies free vibration of a functionally graded porous cylindrical small-scale shell made from porous metal and ceramic based on power law distribution. It is bonded with an adjustable array of strip-like piezoelectric elements. The behavior of integrated structure is modified by change of quantity and location of the elements. Motion...

This paper presents the application of higher-order shear deformation theory and nonlocal elasticity theory to electro-mechanical vibration analysis of a doubly curved piezoelectric nano shell resting on Pasternak's foundation. The piezoelectric doubly curved nanoshell is subjected to initial electro-mechanical loads. Effect of initial electro-mech...

The present paper studies the three-dimensional magneto-electro-elastic bending and buckling analyses of three-layered doubly curved nanoshells based on nonlocal elasticity theory. The kinematic relations are developed based on two-variable sinusoidal transverse shear and thickness deformation theory. The transverse deflection is decomposed into be...

This article studies dynamic characteristics of a novel porous cylindrical hollow rotor based on the first-order shear deformation theory and Hamilton’s principle. The proposed model is made from a core including aluminum with porosity integrated with an arrangement of functionally graded piezoelectric patches placed on its inner and outer surfaces...

Un- and Pb-doped SnS nano-powders (NPs) prepared using the co-precipitation method. The elemental composition of obtaining NPs was investigated by energy-dispersive X-ray spectroscopy (EDX) that showed the presence of Sn and S elements in undoped SnS sample. The inclusion of Pb-dopant in the EDX spectra of Pb-doped SnS samples was observed. X-ray d...

Two-variable sinusoidal shear and normal deformation theory is used in this paper for elastic analysis of doubly curved nanoshells resting on elastic foundation. Thickness stretching effect is accounted based on higher-order shear and normal deformation theory. The transverse displacement is decomposed into bending and stretching components based o...

Comprehensive nonlocal piezoelasticity relations are developed in this paper for a sandwich functionally graded nanoplate subjected to applied electric potential based on higher-order shear and normal deformation theory. To account thickness stretching effect, the higher-order shear and normal deformation theory is developed. Based on this theory,...

The present paper studies size-dependent deflection analysis of FG graphene nanoplatelets (GNPs) reinforced composite micro-plates with porosity subjected to transverse load. Third-order shear deformation(TOSD) theory of Reddy’s and principle of virtual work are employed for derivation of governing equations of static bending via modified couple st...

First-order shear deformation theory and nonlocal piezoelasticity relations are employed in this work for size-dependent electro-elastic bending analysis of three-layered piezoelectric nanoshells. The three-layered nanoshell includes a nano core and two piezo-magnetic face-sheets as sensor and actuator. A two-dimensional formulation along the axial...

The present work uses a new three-dimensional framework for thermo-electro-mechanical buckling analysis of functionally graded piezoelectric cylindrical nano/micro-shells subjected to axial mechanical compression, an external applied voltage and uniform temperature rising. To account thickness stretching effect, three-dimensional shear and normal d...

The aim of this present work is to study the higher-order modelling of a cylindrical nano-shell resting on Pasternak’s foundation based on nonlocal elasticity theory. Third-order shear deformation theory is developed for modelling the kinematic relations, and nonlocal elasticity theory is developed for size-dependent analysis. The principle of virt...

Higher-order shear and normal deformation theory is used in this paper to account thickness stretching effect for free vibration analysis of the cylindrical micro/nano shell subjected to an applied voltage and uniform temperature rising. Size dependency is included in governing equations based on the modified couple stress theory. Hamilton’s princi...

The bending and stress analysis of a functionally graded polymer composite plate reinforced with graphene platelets are studied in this paper. The governing equations are derived by using principle of virtual work for a plate which is rested on Pasternak's foundation. Sinusoidal shear deformation theory is used to describe displacement field. Four...

In the present article, three-dimensional size dependent thermal analysis of three-layered nanoplate with porous graded core and two piezomagnetic face-sheets is studied based on nonlocal strain gradient theory considering thickness stretching effect. The sandwich nanoplate standing on an elastic foundation and face layers are exposed to electric/m...

In this paper, vibration analysis of functionally graded nanoshell is studied based on the sinusoidal higher-order shear and normal deformation theory to account thickness stretching effect. To account size-dependency, Eringen nonlocal elasticity theory is used. For more accurate modeling the problem and corresponding numerical results, sinusoidal...

The present paper studies size dependent electro-elastic analysis of sandwich doubly curved piezoelectric micro shells. The structure is composed of a micro elastic core and two piezoelectric micro layers as sensor and actuator. The kinematic relations are developed based on third-order shear deformation theory proposed by Reddy. The principle of v...

In this study, the free vibration and buckling responses of functionally graded nanoplates with magneto-electro-elastic coupling are studied for the first time using a nonlocal modified sinusoidal shear deformation plate theory including the thickness stretching effect. The constitutive relations for these kind of structures are defined. The equati...

Thermo-elastic and history of stresses and displacements of a rotating functionally graded simple blade is studied using method of successive approximation and a variable thickness cantilever beam model. The rotating blade geometry and loading are mathematically defined so that one can define his own blade profile and loading using any particular f...

When cylindrical and spherical vessels are subjected to the internal pressure, tensile tangential stresses are created throughout the thickness, the maximum of which are located at the inner surface of the vessels. To improve the performance of these vessels, autofrettage process has been devised to produce beneficial compressive residual stresses...

Thermal and mechanical buckling analysis of micro plate reinforced with functionally graded (FG) graphene nanoplatelets (GNPs) is studied in this paper based on modified strain gradient theory (MSGT). For description of kinematic relations, two higher order shear deformation theories including third order shear deformation theory and sinusoidal she...

This paper presents a three-dimensional thermo-elastic analysis of a rotating cylindrical functionally graded shell subjected to inner and outer pressures, surface shear stresses due to friction, an external torque, and a uniform temperature distribution. A power-law distribution is considered for thermal and mechanical properties of the material....

This study presents two-dimensional electro-elastic analysis of functionally graded carbon nanotubes reinforced composite (FG-CNTRC) cylindrical pressure vessels integrated with piezoelectric face-sheets as sensor and actuator based on the first-order shear deformation theory (FSDT). The cylindrical pressure vessel is subjected to thermal, electric...

The paper aims to present a comprehensive parametric investigation concerning the static analysis of Functionally Graded (FG) polymer composite curved beams reinforced by graphene nanoplatelets resting on Pasternak foundation. The theoretical framework is based on the First-order Shear Deformation Theory (FSDT) and the nonlocal elasticity theory. T...

The size dependent thermal buckling analysis of composite micro plate is studied in this paper based on modified couple stress theory (MCST) and sinusoidal shear deformation theory. The composite micro plate is composed of epoxy reinforced with functionally graded graphene nanoplatelets which is distributed along the thickness direction based on va...

The purpose of this paper is to show the electro-elastic static behavior of cylindrical sandwich pressure vessels integrated with piezoelectric layers. The core is made of functionally graded carbon nanotubes reinforced composite (FG-CNTRC). The cylinder is embedded between two piezoelectric layers made of PZT-4. The effective material properties o...

Electro-elastic analysis of a cylindrical sandwich pressure vessel including a porous core and two integrated piezoelectric face-sheets are analytically studied in this work. Third-order shear deformation theory is employed for description of displacement field along the thickness direction. The piezoelectric layers are subjected to applied electri...

This paper presents a free vibration analysis of functionally graded (FG) polymer composite curved nanobeams reinforced with graphene nanoplatelets resting on a Pasternak foundation. The size-dependent governing equations of motion are derived by applying the Hamilton's principle and the differential law consequent (but not equivalent) to Eringen’s...

Time-dependent creep analysis of a rotating functionally graded cantilever beam with trapezoidal longitudinal cross section subjected to thermal and inertia loading is investigated using first-order shear deformation theory (FSDT). The model described in this paper is a simple simulation of a turbine blade working under creep condition. The mater...

In this paper, modified strain-gradient theory is developed for size-dependent formulation of micro plate reinforced with functionally graded graphene nanoplatelets. The reinforced micro plate is subjected to thermal and mechanical loads. The functionally graded graphene nanoplatelets are distributed along the thickness direction based on various p...

Nonlocal higher order electro-elastic bending analysis of a piezoelectric doubly curved nano shell is studied in this paper based on nonlocal elasticity theory and third order shear deformation theory. Nonlocal piezo-elasticity relations are used for size-dependent analysis of the piezoelectric structure. One can conclude that combination of import...

This research deals with wave propagation of the functionally graded (FG) nano-beams based on the nonlocal elasticity theory considering surface and flexoelectric effects. The FG nano-beam is resting in Winkler-Pasternak foundation. It is assumed that the material properties of the nano-beam changes continuously along the thickness direction accord...

This research deals with the nonlinear vibration of the functionally graded nano-beams based on the nonlocal elasticity theory considering surface and flexoelectric effects. The flexoelectric functionally graded nano-beam is resting on nonlinear Pasternak foundation. Cubic nonlinearity is assumed for foundation. It is assumed that the material prop...

Bending analysis of a sandwich plate is studied in this paper based on first order shear deformation theory and nonlocal strain gradient theory. The sandwich nanoplate is including a porous core and two piezomagnetic facesheets. It is assumed that nanoplate is resting on Pasternak's foundation. Power law function is used to describe change of poros...

This paper presents two-dimensional stress and strain behavior of a FG rotating cylindrical shell subjected to internal-external pressure, surface shear stresses due to friction, an external torque, and constant temperature field. A power law distribution was considered for thermomechanical material properties. First order shear deformation theory...

This research deals with thermo-electro-mechanical buckling analysis of the sandwich nano-beams with face-sheets made of functionally graded carbon nano-tubes reinforcement composite (FG-CNTRC) based on the nonlocal strain gradient elasticity theory (NSGET) considering various higher-order shear deformation beam theories (HSDBT). The sandwich nan...

Modified couple stress formulation and first order shear deformation theory are used for magneto-electro-elastic bending analysis of three-layered curved size-dependent beam subjected to mechanical, magnetic and electrical loads. The governing equations are derived using a displacement field including radial and transverse displacements of middle s...

This study analyses the two-dimensional thermo-elastic response of functionally graded carbon nanotube-reinforced composite (FG-CNTRC) cylindrical pressure vessels, by applying the third-order shear deformation theory (TSDT). The effective properties of FG-CNTRC cylindrical pressure vessels are computed for different patterns of reinforcement, acco...

Initial thermo-elastic and steady state creep deformation of a rotating functionally graded simple blade is studied using first-order shear deformation theory. A variable thickness model for cantilever beam has been considered. The blade geometry and loading are defined as functions of length so that one can define his own blade profile and loading...

The governing equations of electro-elastic bending problem are derived for size-dependent electro-elastic analysis of three-layered piezoelectric doubly curved nano shells. The three-layered nano shell is composed of an elastic homogeneous core and two piezoelectric nano layers at top and bottom. The doubly curved piezoelectric nano shell is subjec...

Thermoelastic behaviour of a functionally graded rotating cylinder with short length subjected to thermal and mechanical loads is studied in this article. It is assumed that the cylinder is located on a friction bed and is rotating due to an external torque. The material property is assumed to be variable along radius according to a power law distr...

Thickness stretching effect based on shear and normal deformation theory is used in this paper for magneto- electro-elastic vibration analysis of a three-layered curved nanobeam including a nano core and two piezo-magnetic layers. Size-dependency is included in derivation of governing equations of motion based Eringen's nonlocal elasticity theory...

The concept of neutral surface for a Functionally Graded Piezoelectric (FGP) plate is developed in this paper. The electro-elastic analysis of a FGP plate resting on Winkler-Pasternak foundation is performed in the theoretical framework provided by a two-variable sinusoidal shear deformation theory, including the aforementioned concept of neutral s...

A two-variable sinusoidal shear deformation theory (SSDT) and a nonlocal elasticity theory are applied in this paper to analyze the free vibration behavior of functionally graded (FG) polymer composite nanoplates reinforced with graphene nanoplatelets (GNPs), resting on a Pasternak foundation. Based on the proposed theory, the transverse deflection...

In this paper, modified couple stress formulation of a small scale doubly curved piezoelectric shell resting on Pasternak's foundation is presented based on first-order shear deformation theory. Size-dependent electro-elastic results of doubly curved shell are presented based on an analytical approach. The doubly curved piezoelectric shell is subje...

The free vibration analysis of a nonlocal strain gradient elastic sandwich nanoplate with porous graded core and piezomagnetic face sheets is presented in this paper. The rectangular elastic sandwich nanoplate is resting on Pasternak's foundation. Porosities are distributed evenly and unevenly through the thickness of the core. The gradation of mat...

In this paper history of stresses, strains, radial and circumferential displacements of a functionally graded thick-walled hollow cylinder due to creep phenomenon is investigated. The cylinder is subjected to an arbitrary non-axisymmetric two dimensional thermo-mechanical loading and uniform magnetic field along axial direction. Using equilibrium,...

The governing equations of motion are derived for analysis of a sandwich microbeam in this paper. The sandwich microbeam is including an elastic micro-core and two piezoelectric micro-face-sheets. The microbeam is subjected to transverse loads and two-dimensional electric potential. Higher-order sinusoidal shear deformation beam theory is used for...