Results 111 to 120 of about 2,493 (156)

Comparative Study of Distributed Acoustic Sensing Responses in Telecommunication Optical Cables. [PDF]

Sensors (Basel)
Abushagur AAG, Mokhtar MR, Rodzi NSM, Subari KS, Ibrahim SA, Mahmud Z, Yusoff Z, Franzen A, Abdul Rashid H.   +8 more
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Use of a Rayleigh damping model in elastography

Medical and Biological Engineering and Computing, 2008
A Rayleigh damping model applied to magnetic resonance elastography incorporates attenuation behavior proportionally related to both elastic and inertial forces, and allows two damping parameters to be extracted from an MRI motion dataset. Under time-harmonic conditions, the model can be implemented by the use of complex shear modulus and density ...
Matthew Mcgarry
exaly   +3 more sources

Stability of a nonuniform Rayleigh beam with indefinite damping

Systems and Control Letters, 2006
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jun-Min Wang, Siu-Pang Yung
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On the role of Rayleigh damping

Journal of Sound and Vibration, 1995
The computation of the Rayleigh damping coefficients α and β is an important consideration in the area of the modal superposition technique. In this paper, an experimental investigation carried out on square and rectangular plates with various boundary conditions to determine the damping ratios for a few modes of vibration is reported.
D.R.A. Mohammad, N.U. Khan, V. Ramamurti
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Formulation of Rayleigh damping and its extensions

Computers & Structures, 1995
The objective of this paper is to present a study on the formulation of Rayleigh damping for a damped linear mechanical system. By means of examining the existing theory on Rayleigh damping, extensions of Rayleigh damping are proposed in terms of a double series. The extended forms provide more choices in formulating a damping matrix.
Liu, Man, Gorman, D. G.
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Topological hysteresis as a model for Rayleigh damping

Materials Science and Engineering: A, 2006
Abstract To account for the large magnetomechanical damping of demagnetized specimens, we propose as a model Landau's arrangement of magnetic domains with no overall magnetic moment. To analyze the model, we use the nature of magnetostriction to transform the data from internal friction, Q −1 , and strain amplitude, ɛ , into energy loss and volume
D.N. Beshers, G.B. Vunni
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The damping Helmholtz–Rayleigh–Duffing oscillator with the non-perturbative approach

Mathematics and Computers in Simulation, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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The material damping as Rayleigh damping in the vibrations of square and rectangular metalic plates

2018 Advances in Science and Engineering Technology International Conferences (ASET), 2018
In this paper, an experimental investigation is carried out on square and rectangular plates of different materials with various edge conditions to estimate the Rayleigh damping coefficients. The determination of Rayleigh damping coefficients has become an important aspect of the dynamical analysis of delicate mechanical structural elements such as ...
Najeeb U. Khan, P. Bangaru Babu
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Magnetoelastic coupling and Rayleigh damping

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, 2004
This paper presents a magnetoelastic dynamic FE model. As first approach, the effect of magnetostriction and strong coupling is not considered. The effect of Rayleigh damping factors on the vibrational behaviour of the stator core of a synchronous generator is studied using the presented model.
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