نتایج جستجو برای: functionally graded layer

تعداد نتایج: 355891  

H Ahmadi, K Foroutan

A semi-analytical method is used to study the effects of the multi vibration absorbers on the nonlinear functionally graded (FG) Euler-Bernoulli beam subjected to periodic load. The material properties of the beam are assumed to be continuously graded in the thickness direction. The governing equations of functionally graded beam are obtained based on the Hamilton's principle and these equation...

Journal: :international journal of advanced design and manufacturing technology 0
a. heydari

the current study presents a new analytical method for buckling analysis of rectangular and annular beams made up of functionally graded materials with constant thickness and poisson’s ratio. the boundary conditions of the beam are assumed to be simply supported and clamped. the stability equations were obtained by using conservation of energy. the critical buckling load and first mode shape we...

Journal: :international journal of advanced design and manufacturing technology 0
abbas heydari

the current study presents a new analytical method for buckling analysis of circular plates with constant thickness and poisson’s ratio, made of functionally graded material subjected to radial load. governing equations are based on energy method for thin plates. the boundary conditions of the plate are assumed to be simply supported and clamped. the stability equations were obtained by using c...

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 2005

Journal: :International Journal of Geometric Methods in Modern Physics 2008

A Loghman, H Parsa

Electro-magneto-thermo-elastic response of a thick double-layered cylinder made from a homogeneous interlayer and a functionally graded piezoelectric material (FGPM) outer layer is investigated. Material properties of the FGPM layer vary along radius based on the power law distribution. The vessel is subjected to an internal pressure, an induced electric potential, a uniform magnetic field and ...

2010
M. Karami Khorramabadi A. R. Nezamabadi

Stability of functionally graded beams with piezoelectric layers subjected to axial compressive load that is simply supported at both ends is studied in this paper. The displacement field of beam is assumed based on first order shear deformation beam theory. Applying the Hamilton's principle, the governing equation is established. The influences of applied voltage, dimensionless geometrical par...

Journal: :civil engineering infrastructures journal 0
farzad akbari school of civil engineering, college of engineering, university of tehran ali khojasteh school of engineering science, college of engineering, university of tehran mohammad rahimian school of civil engineering, college of engineering, university of tehran

by virtue of a complete set of two displacement potentials, an analytical derivation of the elastostatic green’s functions of an exponentially graded transversely isotropic bi-material full-space was presented. three-dimensional point-load green’s functions for stresses and displacements were given in line-integral representations. the formulation included a complete set of transformed stress-p...

Journal: :journal of applied and computational mechanics 0
v. r. manthena department of mathematics, rtm nagpur university, nagpur, india. n. k. lamba deptt. of mathematics, shri lemdeo patil mahavidyalya, nagpur, india. g. d. kedar deptt. of mathematics, rtm nagpur university, nagpur, india.

this article gives an approach to predict the springbackward phenomena during post solidification cooling in a functionally graded hybrid composite cylindrical shell with transverse isotropic structure. here the material properties are considered to be given with a general parabolic power-law function. during theoretical analysis, appropriate transform is introduced in the equilibrium equation ...

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