Results 21 to 30 of about 6,136,984 (169)

Improving the Accuracy of Analytical Relationships for Mechanical Properties of Permeable Metamaterials

open access: yesApplied Sciences, 2021
Permeable porous implants must satisfy several physical and biological requirements in order to be promising materials for orthopaedic application: they should have the proper levels of stiffness, permeability, and fatigue resistance approximately ...
Reza Hedayati   +3 more
doaj   +1 more source

Variational Derivation of Truncated Timoshenko-Ehrenfest Beam Theory [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2022
The beam theory allowing for rotary inertia and shear deformation and without the fourth order derivative with respect to time as well as without the slope inertia, as was developed by Elishakoff through the dynamic equilibrium consideration, is derived ...
Maria De Rosa   +2 more
doaj   +1 more source

Extending Timoshenko Beam Theory for Large Deflections in Compliant Mechanisms [PDF]

open access: yes, 2023
International audienceCompliant Mechanisms (CMs) have presented its inherently advantageous properties due to the fact that CMs utilize elastic deformation of the elementary flexible members to transfer motion, force and energy.
Chen, Guimin, Wu, Ke, Zheng, Gang
core   +1 more source

A nonlocal sinusoidal shear deformation beam theory with application to bending, buckling, and vibration of nanobeams [PDF]

open access: yes, 2012
This paper presents a nonlocal sinusoidal shear deformation beam theory for the bending, buckling, and vibration of nanobeams. The present model is capable of capturing both small scale effect and transverse shear deformation effects of nanobeams, and ...
Thai, Huu-Tai, Vo, Thuc
core   +1 more source

Helical structure of the waves propagating in a spinning Timoshenko beam [PDF]

open access: yes, 2005
The aim of the paper is to study the cause of a frequency-splitting phenomenon that occurs in a spinning Timoshenko beam. The associated changes in the structure of the progressive waves are investigated to shed light on the relationship between the wave
Chan, K.T., Stephen, N.G., Reid, S.R.
core   +1 more source

The cantilever beams analysis by the means of the first-order shear deformation and the Euler-Bernoulli theory

open access: yesTehnički Glasnik, 2019
The effect of the Timoshenko theory and the Euler-Bernoulli theory are investigated in this paper through numerical and analytical analyses. The investigation was required to obtain the optimized position of the pipes support.
Dino Ključanin, Abaz Manđuka
doaj   +1 more source

Perturbation theory and the Rayleigh quotient [PDF]

open access: yes, 2011
The characteristic frequencies ? of the vibrations of an elastic solid subject to boundary conditions of either zero displacement or zero traction are given by the Rayleigh quotient expressed in terms of the corresponding exact eigenfunctions.
Chan, KT   +8 more
core   +1 more source

Flexural–torsional coupled vibration and buckling of thin-walled open section composite beams using shear-deformable beam theory [PDF]

open access: yes, 2009
A general analytical model based on shear-deformable beam theory has been developed to study the flexural–torsional coupled vibration and buckling of thin-walled open section composite beams with arbitrary lay-ups.
Lee, Jaehong, Vo, Thuc
core   +1 more source

Static and free vibration of axially loaded functionally graded beams based on the first-order shear deformation theory [PDF]

open access: yes, 2013
The first-order shear deformation beam theory for static and free vibration of axially loaded rectangular functionally graded beams is developed. In this theory, the improved transverse shear stiffness is derived from the in-plane stress and equilibrium ...
Thai, Huu-Tai   +2 more
core   +1 more source

Bending and free vibration of functionally graded beams using various higher-order shear deformation beam theories [PDF]

open access: yes, 2012
In this paper, various higher-order shear deformation beam theories for bending and free vibration of functionally graded beams are developed. The developed theories account for higher-order variation of transverse shear strain through the depth of the ...
Thai, Huu-Tai, Vo, Thuc
core   +1 more source

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