نتایج جستجو برای: axially functionally graded beams

تعداد نتایج: 112327  

The aim of this paper is to investigate geometrically nonlinear static analysis of axially functionally graded cantilever beam subjected to transversal non follower load. The considered problem is solved by finite element method with total Lagrangian kinematic approach. The material properties of the beam vary along the longitudinal direction according to the power law function. The finite elem...

Journal: :Latin American Journal of Solids and Structures 2021

The present paper investigates the transverse vibration of a non-uniform axially functionally graded Timoshenko beam with cross-sectional and material properties varying in length direction. Chebyshev collocation method is used to spatially discretize governing partial differential equations motion into time-dependent ordinary terms differentiation matrices. An algebraic eigenvalue equation mat...

Journal: :iranian journal of mechanical engineering transactions of the isme 0
mohammad reza eslami amirkabir university of technology r. shahsiah mechanical engineering department, islamic azad university, tehran central branch, k.m. nikbin

in this article, thermal stability of beams made of functionally graded material (fgm) is considered. the derivations of equations are based on the one-dimensional theory of elasticity. the material properties vary continuously through the thickness direction. tanigawa's model for the variation of poisson's ratio, the modulus of shear stress, and the coefcient of thermal expansion is...

Thermal buckling behavior of functionally graded Euler-Bernoulli beams in thermal conditions is investigated analytically. The beam with material and thermal properties dependent on the temperature and position is considered. Based on the transformed-section method, the functionally graded beam is considered as an equivalent homogeneous Euler-Bernoulli beam with an effective bending rigidity un...

M Ghadiri, M Hamisi N Shafiei

In this paper, vibration analysis of rotary tapered axially functionally graded (AFG) Timoshenko nanobeam is investigated in a thermal environment based on nonlocal theory. The governing equations of motion and the related boundary conditions are derived by means of Hamilton’s principle based on the first order shear deformation theory of beams. The solution method is considered using generaliz...

Journal: :Applied sciences 2023

In this paper, the divergent instability and coupled flutter characteristics of axially moving beams made functionally graded materials (FGM) are studied using interpolation matrix method. The material property beam is designed to change smoothly continuously along thickness direction. considering Euler-Bernoulli theory, Hamilton’s principle used derive differential equation transverse vibratio...

The aim of this paper is to compare the static deflections and stress results of layered and functionally graded composite beams under static load. In the comparison study, the results obtained for a cantilever beam under point load. The Timoshenko beam and the Euler-Bernoulli beam theories are used in the beam model. The energy based Ritz method is used for the solution of the problem and alge...

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