Free vibrations and supersonic flutter of multilayered laminated cylindrical panels
Sign Up to like & getrecommendations! Published in 2020 at "Composite Structures"
DOI: 10.1016/j.compstruct.2020.112400
Abstract: Abstract In the present paper the problems of optimal design of multilayered composite structures subjected to free vibration and supersonic flutter constraints are discussed. The analysis is carried out for laminated flat plates and cylindrical… read more here.
Keywords: free vibrations; vibrations supersonic; supersonic flutter; cylindrical panels ... See more keywords
Nonlinear free vibrations analysis of geometrically imperfect FG nano-beams based on stress-driven nonlocal elasticity with initial pretension force
Sign Up to like & getrecommendations! Published in 2021 at "Composite Structures"
DOI: 10.1016/j.compstruct.2020.112856
Abstract: Abstract Size-dependent flexural nonlinear free vibrations of geometrically imperfect straight Bernoulli-Euler functionally graded nano-beams are investigated by the stress-driven nonlocal integral model (SDM). By using the Galerkin method, the governing equations is reduced to a… read more here.
Keywords: nonlinear free; free vibrations; stress driven; nano beams ... See more keywords
On the free vibrations of joined grid-stiffened composite conical-cylindrical shells
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DOI: 10.1016/j.tws.2021.107465
Abstract: Abstract The present study aims to investigate the vibrational characteristics of joined stiffened conical-cylindrical composite shells using experimental, numerical and analytical techniques. The stiffness contribution of the shells and helical stiffeners have been superimposed by… read more here.
Keywords: cylindrical shells; joined grid; free vibrations; conical cylindrical ... See more keywords
Vibration frequencies and energies of an auxetic honeycomb sandwich plate
Sign Up to like & getrecommendations! Published in 2019 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2018.1455933
Abstract: ABSTRACT Frequencies and energies of vibrations for a honeycomb sandwich plate with negative Possion's ratio are investigated. Based on Reddy's third-order shear deformation plate theory, von Karman type nonlinear theory and Hamilton theory, the equations… read more here.
Keywords: vibration frequencies; free vibrations; frequencies energies; sandwich plate ... See more keywords
An analytical approach for free vibrations analysis of viscoelastic circular and annular plates using FSDT
Sign Up to like & getrecommendations! Published in 2020 at "Mechanics of Advanced Materials and Structures"
DOI: 10.1080/15376494.2018.1472348
Abstract: ABSTRACT In this paper, free vibrations analysis of asymmetric viscoelastic annular and circular plates are studied using the first order shear deformation theory. The viscoelastic behavior is assumed standard linear solid in shear and elastic… read more here.
Keywords: analytical approach; approach free; free vibrations; vibrations analysis ... See more keywords
Free Vibrations of a Cylindrical Shell Partially Resting on Elastic Foundation
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Mechanics and Technical Physics"
DOI: 10.1134/s0021894418070039
Abstract: The free vibrations of a circular cylindrical shell resting on a two-parameter Pasternak elastic foundation are investigated. The elastic medium is inhomogeneous along the shell length, and the inhomogeneity represents an alternation of areas with… read more here.
Keywords: vibrations cylindrical; elastic foundation; free vibrations; cylindrical shell ... See more keywords
Free vibrations of nonlocally elastic rods
Sign Up to like & getrecommendations! Published in 2019 at "Mathematics and Mechanics of Solids"
DOI: 10.1177/1081286518785942
Abstract: Several of the Eringen’s nonlocal stress models, including two-phase and purely nonlocal integral models, along with the simplified differential model, are studied in the case of free longitudinal vibrations of a nanorod, for various types… read more here.
Keywords: elastic rods; nonlocally elastic; free vibrations; model ... See more keywords
Selected Problems of Random Free Vibrations of Rectangular Thin Plates with Viscoelastic Dampers
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15196811
Abstract: The main motivation of this work was to present a semi-analytical extension of the correspondence principle in stochastic dynamics. It is demonstrated for the stochastic structural free vibrations of Kirchhoff–Love elastic, isotropic and rectangular plates… read more here.
Keywords: free vibrations; selected problems; problems random; vibrations rectangular ... See more keywords
On the Free Vibrations of Non-Classically Damped Locally Resonant Metamaterial Plates
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DOI: 10.3390/nano12030541
Abstract: In this paper, the focus is on the free vibrations of locally resonant metamaterial plates with viscously damped resonators. Upon formulating a dynamic-stiffness model where the resonators are represented via pertinent reaction forces depending on… read more here.
Keywords: locally resonant; free vibrations; dynamic stiffness; metamaterial plates ... See more keywords
Application of the Higher-Order Hamilton Approach to the Nonlinear Free Vibrations Analysis of Porous FG Nano-Beams in a Hygrothermal Environment Based on a Local/Nonlocal Stress Gradient Model of Elasticity
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DOI: 10.3390/nano12122098
Abstract: Nonlinear transverse free vibrations of porous functionally-graded (FG) Bernoulli–Euler nanobeams in hygrothermal environments through the local/nonlocal stress gradient theory of elasticity were studied. By using the Galerkin method, the governing equations were reduced to a… read more here.
Keywords: free vibrations; nonlocal stress; higher order; gradient ... See more keywords