# M.R Golbahar HaghighiPersian Gulf University | PGU · Department of Mechanical Engineering

M.R Golbahar Haghighi

Associate professor

## About

29

Publications

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727

Citations

Introduction

## Publications

Publications (29)

As a first attempt, the transient in-plane responses of multilayer functionally graded graphene platelet-reinforced composite (FG-GPLRC) curved beams in thermal environment under a concentrated moving load are investigated. The motion equations are derived based on the first-order shear deformation theory by considering the influences of the initia...

The fluid flow and heat transfer characteristics of laminar nanofluid flow in microchannel heat sink (MCHS) with V-Type inlet/outlet arrangement are numerically studied. A constant heat flux boundary condition is applied on the base plate of MCHS and all the other surfaces of MCHS are insulated. Four different kinds of nanofluids are utilized as wo...

الگوي غالب رودخانهها در پلان بصورت پیچانرودي میباشد. با استقرار پایههاي پل در رودخانه یک
سلسله جریانهاي گردابی ایجاد میشود. این گردابهها عامل اصلی آبشستگی به حساب میآیند که در دراز مدت
باعث ایجاد چاله آبشستگی در محل پایه پل می شوند. آبشستگی موضعی عامل اصلی خرابی پل ها در سراسر
جهان میباشد. از آنجا که رودخانههاي پیچانرود متداولترین نوع رودخانهها در...

An inverse heat conduction procedure for estimating the unknown time-dependent heat flux at the base of functionally graded variable thickness annular fins using only the measured temperature at the tip of fin is presented. The heat conduction formulation is based on the non-Fourier heat transfer equation. The conjugate gradient method is employed...

The spatially and temporally varying heat flux and mechanical load on the top (bottom) surface of laminated plates with functionally graded layers are estimated using an inverse algorithm. The temperature and strains at a number of points on the bottom (top) surface of the plate are the only measured input data. The solution of corresponding direct...

As a first step to analyze the inverse kinetic of adsorption, an inverse algorithm is developed to estimate equilibrium adsorption isotherm in a gas storage vessel by using the dynamic transient internal pressure. In the present study, no prior information is need for the functional form of the unknown isotherm equation to solve continuity equation...

An inverse algorithm is employed to estimate the time and spatially varying pressure and heat flux in functionally graded (FG) cylindrical shells with finite length by using the measured displacements and temperatures on their outer surfaces. The solution of corresponding direct problem is used to simulate the measured displacements and temperature...

The time-dependent pressure in long functionally graded cylindrical shells under thermal environment is estimated using the measured strains on their outer surfaces in conjunction with an inverse algorithm. The obtained strains from the solution of the related direct problem are used to simulate the data measurements. The direct problem is formulat...

The nonlinear free flexural vibration of skew nanoplates is studied by considering the influences of free surface energy and size effect (small scale) simultaneously. The formulations are derived based on classical plate theory (CPT) in conjunction with nonlocal and surface elasticity theories using Hamilton's principle. Green's strain tensor toget...

A two-dimensional inverse transient heat conduction algorithm is developed to estimate the heat flux and convection heat transfer coefficient on the bottom (top) surface of the multilayered functionally graded (FG) circular plates using the measured temperature on their top (bottom) surface. The non-Fourier heat transfer, in conjunction with the la...

An accurate and efficient solution procedure based on the elasticity theory is employed to investigate the thermoelastic behavior of rotating laminated functionally graded (FG) cylindrical shells in thermal environment. The material properties are assumed to be temperature dependent and graded in the thickness direction. In order to accurately mode...

Inverse transient heat conduction problems of a multilayered functionally graded (FG) cylinder are presented. The approach is based on measurement of temperature on the outer surface of the cylinder to estimate the heat flux and convection heat transfer coefficient on its inner surface. The non-Fourier heat transfer equation is employed to accurate...

The transient heat transfer analysis of functionally graded (FG) hollow cylinders subjected to a distributed heat flux with a moving front boundary on its inner surface is presented. The heat flux is assumed to be axisymmetric, and its front boundary moves along the axis of the cylinder. A method composed of the finite element and differential quad...

As a first endeavor, the out-of-plane free vibration analysis of thin-to-moderately thick functionally graded (FG) circular curved beams supported on two-parameter elastic foundation is presented. The formulation is derived based on the first-order shear deformation theory (FSDT), which includes the effects of shear deformation and rotary inertia d...

This paper presents a computationally efficient and an accurate methodology in differential quadrature element method (EDQM) analysis of the nonlinear one-dimensional Burgers' equation. Based on this approach, the total spatial and temporal domain is divided into a set of sub-domain and in each sub-domain, the DQ rule is employed to discretize the...

In this work, the heat conduction with finite wave heat speed of multi-layered domain made of functionally graded materials (FGMs) subjected to heat generation is simulated. For this purpose, the domain is divided into a set of mathematical layers, the number of which can be equal or greater than those of the physical layers. Then, in each mathemat...

As a first endeavor, the buckling analysis of functionally graded (FG) arbitrary straight-sided quadrilateral plates rested
on two-parameter elastic foundation under in-plane loads is presented. The formulation is based on the first order shear deformation
theory (FSDT). The material properties are assumed to be graded in the thickness direction. T...

Free vibration analysis of functionally graded (FG) thin-to-moderately thick annular plates subjected to thermal environment
and supported on two-parameter elastic foundation is investigated. The material properties are assumed to be temperature-dependent
and graded in the thickness direction. The equations of motion and the related boundary condit...

As a first endeavor, the one- and two-dimensional heat wave propagation in a medium subjected to different boundary conditions and with temperature-dependent thermal conductivity is studied. Both the spatial as well as the temporal domain is discretized using the differential quadrature method (DQM). This results in superior accuracy with fewer deg...

An optimal control procedure for estimating the heat fluxes on the boundaries of functionally graded (FG) thick plates to reach the desired domain temperature distributions in a specified time interval of heating is presented. The conjugate gradient method (CGM) is employed for optimization, and the differential quadrature method as an accurate and...

The dynamic response of thick laminated annular sector plates with simply supported radial edges subjected to a radially distributed line load, which moves along the circumferential direction, is studied. A three-dimensional hybrid method composed of series solution, the layerwise theory and the differential quadrature method in conjunction with th...

A first known formulation for the out-of-plane free vibration analysis of functionally graded (FG) circular curved beams in thermal environment is presented. The formulation is based on the first order shear deformation theory (FSDT), which includes the effects of shear deformation and rotary inertia due to both torsional and flexural vibrations. T...

As a first endeavor, an approach for the two- and three-dimensional temperature control of functionally graded (FG) plates by using the inverse solution and the proportional-differential (PD) controller is provided. For this purpose, firstly, having the desired temperatures at different locations and times, heat fluxes at the boundaries of the plat...

In this paper, a three-dimensional transient inverse heat conduction (IHC) procedure is presented to estimate the unknown boundary heat flux of thick functionally graded (FG) plates. For this purpose, the conjugate gradient method (CGM) in conjunction with adjoint problem is used. A recently developed three-dimensional efficient hybrid method is em...

Two-dimensional transient inverse heat conduction problem (IHCP) of functionally graded materials (FGMs) is studied herein. A combination of the finite element (FE) and differential quadrature (DQ) methods as a simple, accurate, and efficient numerical method for FGMs transient heat transfer analysis is employed for solving the direct problem. In o...

In this paper, a mixed finite element (FE) and differential quadrature (DQ) method as a simple, accurate and computationally efficient numerical tool for two dimensional transient heat transfer analysis of functionally graded materials (FGMs) is developed. The method benefits from the high accuracy, fast convergence behavior and low computational e...

Using the potential of the finite-element method (FEM) to model irregular domains in combination with the capability of the differential quadrature method (DQM) to solve accurately variable-coefficients initial-boundary-value differential equations, a hybrid numerical method is introduced for the three-dimensional (3-D) transient heat transfer anal...