Results 231 to 240 of about 6,063 (263)
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Vibrational dynamics of a light spherical body in a rotating cylinder filled with a fluid
Fluid Dynamics, 2012zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ivanova, A. A. +2 more
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Transient vibrations of a beam/mass system fixed to a rotating body
Journal of Sound and Vibration, 1986Abstract Transient flexural vibrations of a beam/mass system fixed to a rotating body are investigated. The rotating body is driven so as to have a velocity profile of trapezoidal shape. The governing ordinary differential equations of the beam mass system are derived by use of the extended Galerkin method, and the transient response is obtained by ...
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International Journal of Structural Stability and Dynamics, 2018
The free vibration and buckling of a rotating annular plate with constant angular speed free at the inner edge and fixed at the outer edge subjected to a compressive centrifugal body force are analyzed using the Ritz method. Exact stress components and radial displacement of the rotating annular plate are obtained via the plane elasticity. Convergence
Yang, Y. B., Kang, J. H.
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The free vibration and buckling of a rotating annular plate with constant angular speed free at the inner edge and fixed at the outer edge subjected to a compressive centrifugal body force are analyzed using the Ritz method. Exact stress components and radial displacement of the rotating annular plate are obtained via the plane elasticity. Convergence
Yang, Y. B., Kang, J. H.
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Pelvis Rotation during Whole-Body Vibration: Modeling & Validation Experiments
SAE Technical Paper Series, 2005<div class="htmlview paragraph">It is generally recognized that long-term whole-body vibrations can induce degeneration of the lumbar spine, but it remains unclear what the exact mechanism behind this degeneration is. The problem is complex due to the incompletely understood dynamic responses of the body and influence of many variables.
Hans Druyts +4 more
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Journal of Sound and Vibration, 2002
Abstract The effect of variations in posture and vibration magnitude on apparent mass and seat-to-pelvis pitch transmissibility have been studied with vertical random vibration over the frequency range 1·0–20 Hz. Each of 12 subjects was exposed to 27 combinations of three vibration magnitudes (0·2, 1·0 and 2·0m/s2 r.m.s.) and nine sitting postures ...
N.J. MANSFIELD, M.J. GRIFFIN
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Abstract The effect of variations in posture and vibration magnitude on apparent mass and seat-to-pelvis pitch transmissibility have been studied with vertical random vibration over the frequency range 1·0–20 Hz. Each of 12 subjects was exposed to 27 combinations of three vibration magnitudes (0·2, 1·0 and 2·0m/s2 r.m.s.) and nine sitting postures ...
N.J. MANSFIELD, M.J. GRIFFIN
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Hearing Research, 1994
Vibration of a set of points distributed along the manubrium of cat was measured with a heterodyne interferometer in response to sinusoidal acoustic signals. The observed motion did not fit pure rotation of the malleus around a fixed axis coinciding with the anterior mallar and posterior incudal ligament as is classically assumed.
Decraemer, W.F. +2 more
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Vibration of a set of points distributed along the manubrium of cat was measured with a heterodyne interferometer in response to sinusoidal acoustic signals. The observed motion did not fit pure rotation of the malleus around a fixed axis coinciding with the anterior mallar and posterior incudal ligament as is classically assumed.
Decraemer, W.F. +2 more
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Nonlinear Dynamics, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Dibold, M., Gerstmayr, J., Irschik, H.
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Dibold, M., Gerstmayr, J., Irschik, H.
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Solid-body dynamics in cavity with liquid under high-frequency rotational vibration
Europhysics Letters (EPL), 1996The vibrational dynamics of bodies in cavities filled with liquid and subjected to high-frequency rotational vibrations is investigated. The equations of the average behavior of solid bodies in liquid are obtained by the method of averaging in the range of high frequency of vibrations.
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International Journal of Structural Stability and Dynamics, 2017
This paper is concerned with the axisymmetric free vibration analysis of a rotating annular plate with variable thickness by using the Ritz method. The rotating plate has a constant angular speed and subjected to a tensile centrifugal body force. The annular plate is fixed at the inner edge and free at the outer edge.
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This paper is concerned with the axisymmetric free vibration analysis of a rotating annular plate with variable thickness by using the Ritz method. The rotating plate has a constant angular speed and subjected to a tensile centrifugal body force. The annular plate is fixed at the inner edge and free at the outer edge.
openaire +2 more sources