Results 21 to 30 of about 465,774 (209)

Free Vibration of Thick Multilayer Cylinders

open access: yesShock and Vibration, 1995
In this study of the free vibration of multilayer thick cylinders, the medium is modeled by laminated linear viscoelastic cylinders of an infinite extent.
H. R. Hamidzadeh, N. N. Sawaya
doaj   +1 more source

Moving Load Spectrum for Analyzing the Extreme Response of Bridge Free Vibration

open access: yesShock and Vibration, 2020
In order to more effectively establish the relationship between moving load speed and the extreme response of bridge free vibration, a novel analysis method is presented based on the moving load spectrum, which is deduced from Fourier transform in this ...
Jinhua Li, Huantao Zhang
doaj   +1 more source

Computer-aided design of resonance-free vibration systems

open access: yesMATEC Web of Conferences, 2018
The article provides insight into application of vibration systems in different industries. Disadvantages of conventional devices and advantages of resonance-free vibration systems are revealed.
Muliukhin Nikolai   +3 more
doaj   +1 more source

Research on vibration isolation method of a novel power source

open access: yesEnergy Reports, 2020
Free-piston linear generator (FPLG) is a novel power source which combines free-piston engines and a linear electric generator. Piston motion and vibration excitation characteristics of FPLG are quite different from the traditional reciprocating engines.
Jingyi Tian   +3 more
doaj   +1 more source

Free Vibration Analysis of Steel Framed Structures [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2019
This study based on free vibration analysis and study the behavior of framed structure under different frequency of vibration using ANSYS software and shaking table.
Ayesha Siddika   +3 more
doaj   +1 more source

Nondestructive evaluation of dynamic properties in beach wood using free vibration method on free- free bar [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2014
In this study effect of different NDT methods on dynamic properties in beech wood (flexural vibration and longitudinal vibration method) were evaluated .29 clear samples with nominal dimension of 2×4×36 cm selected and bending vibration in free-free ...
mostafa kohantorabi   +2 more
doaj   +1 more source

Free vibration analysis of string with vibration suppressors located in center part of string

open access: yesMechanical Engineering Journal, 2016
Vibration suppressors are used to change the natural frequency of an elevator rope and prevent resonance. The displacement of the parts of the elevator rope at both the ends is small compared to that of the center part of the rope; therefore, it is not ...
Hiroyuki KIMURA, Takahiro FUJITANI
doaj   +1 more source

Buckling and vibration analysis of laminated composite plate/shell structures via a smoothed quadrilateral flat shell element with in-plane rotations [PDF]

open access: yes, 2011
This paper presents buckling and free vibration analysis of composite plate/shell structures of various shapes, modulus ratios, span-to-thickness ratios, boundary conditions and lay-up sequences via a novel smoothed quadrilateral flat element.
Allman   +57 more
core   +2 more sources

Vibration analysis of elevator rope with vibration suppressors (When vibration suppressors are uniformly installed or uniformly installed except for both ends part)

open access: yesNihon Kikai Gakkai ronbunshu, 2019
Vibration suppressors are used to change the natural frequency of an elevator rope and prevent resonance. The displacement of the parts of the elevator rope at both the ends is small compared to that of the center part of the rope; therefore, it is not ...
Hiroyuki KIMURA, Masafumi KAMIYA
doaj   +1 more source

Why edge effects are important on the intrinsic loss mechanisms of graphene nanoresonators?

open access: yes, 2012
Molecular dynamics simulations are performed to investigate edge effects on the quality factor of graphene nanoresonators with different edge configurations and of various sizes.
Jiang, Jin-Wu, Wang, Jian-Sheng
core   +1 more source

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