Mathematical modeling and nonlinear vibration analysis of a coupled hydro-generator shaft-foundation system

W Sun, Z Guo - Communications in Nonlinear Science and Numerical …, 2021 - Elsevier
This paper presents a method to investigate the overall nonlinear dynamics of coupled
hydro-generator shaft-foundation system. A novel coupled dynamic mathematical model is …

Bistable nonlinear damper based on a buckled beam configuration

V Iurasov, PO Mattei - Nonlinear Dynamics, 2020 - Springer
This article addresses a particular realization of a compact bistable nonlinear absorber
based on the concept of nonlinear energy sink. The article presents both a detailed …

Experimental and theoretical investigation on transverse vibration of delaminated cross-ply composite beams

K Torabi, M Shariati-Nia, M Heidari-Rarani - International Journal of …, 2016 - Elsevier
Delamination is a major damage mode in laminated composite structures which causes
reduction in stiffness and strength and affects their vibration characteristics. This paper deals …

Exact closed form solution for whirling analysis of Timoshenko rotors with multiple concentrated masses

H Afshari, K Torabi… - Mechanics Based Design …, 2022 - Taylor & Francis
In this paper, an exact solution is presented for whirling analysis of rotors carrying
concentrated masses. Effect of various parameters on the forward and backward …

Mode shape analysis of dynamic behaviour of cracked nanobeam on elastic foundation

MM Hossain, J Lellep - Engineering Research Express, 2021 - iopscience.iop.org
Nanomaterial has become an inevitable part of numerous researches in recent science and
technology. Nanomaterial [1–9] shows some unusual and very crucial characteristics that …

Stability of Timoshenko beams with frequency and initial stress dependent nonlocal parameters

W Glabisz, K Jarczewska, R Holubowski - Archives of Civil and …, 2019 - Springer
This paper presents an analysis of the stability of Timoshenko beams which uses Eringen's
nonlocal elasticity theory. A numerical algorithm based on the exact solution for the free …

Variational iteration method for free vibration analysis of a Timoshenko beam under various boundary conditions

K Torabi, M Ghassabi, M Heidari-Rarani… - International Journal of …, 2017 - ije.ir
In this paper, a relatively new method, namely variational iteration method (VIM), is
developed for free vibration analysis of a Timoshenko beam with different boundary …

Semi-analytical solution for nonlinear transverse vibration analysis of an Euler–Bernoulli beam with multiple concentrated masses using variational iteration method

K Torabi, D Sharifi, M Ghassabi, A Mohebbi - Iranian Journal of Science …, 2019 - Springer
In this article, linear and nonlinear transverse vibration of Euler–Bernoulli beams with
multiple concentrated masses have been investigated using variational iteration method …

Exact closed form solution for the analysis of the transverse vibration mode of a Nano-Timoshenko beam with multiple concentrated masses

AJ Jazi, B Shahriari, K Torabi - International Journal of Mechanical …, 2017 - Elsevier
Concentrated masses mounted on a Nanobeam have important effects on its transverse
vibrations. In this paper the effects of concentrated masses on lateral vibration of a …

A semi-analytical solution for free vibration analysis of a step beam with multiple concentrated masses using variational iteration method

K Torabi, D Sharifi, M Ghassabi - International Journal for …, 2021 - Taylor & Francis
Vibrational characteristic in structures that can be modeled as several concentrated masses
on the beam are of great interest. In this article, variational iteration method (VIM) is used to …