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Keywords: friction
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Journal Articles
Article Type: Research Papers
J. Vib. Acoust. August 2021, 143(4): 041014.
Paper No: VIB-20-1483
Published Online: April 2, 2021
... 25 02 2021 26 02 2021 02 04 2021 damping dynamics modal analysis rotor dynamics stability vibration control vibration isolation friction A linear viscous damping coefficient c i describes the dissipative characteristics of the element (9) 0 f c...
Journal Articles
Article Type: Research-Article
J. Vib. Acoust. October 2019, 141(5): 051001.
Paper No: VIB-19-1049
Published Online: May 10, 2019
...Vishal Vyas; Prasanna Gandhi Nonlinear energy interaction is a fascinating feature of nonlinear oscillators and has been drawing the attention of researchers since the last few decades. Omnipresent friction in mechanical systems can play a crucial role in modifying these interactions. Using post...
Journal Articles
Article Type: Research-Article
J. Vib. Acoust. October 2013, 135(5): 051021.
Paper No: VIB-12-1142
Published Online: June 18, 2013
... by friction-induced, self-excited vibration of a pantograph-catenary system. Therefore, it will be significant to study friction-induced, self-excited vibration of a pantograph-catenary system. It will be useful to better understand arc discharge and squealing noise of pantograph-catenary systems...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2012, 134(2): 021020.
Published Online: January 30, 2012
... snubbing mechanisms as well, such as friction snubbing. Two of the four models presented in this paper use the Bouc–Wen model in order to capture hysteresis and gradual stiffening behavior, which is generally exhibited by elastomeric snubbing systems. The other two models are relatively simplistic and do...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2012, 134(2): 021012.
Published Online: January 18, 2012
... automatically in the super-critical speed range. However, this device is not used widely due to two malfunctions. One is the influence of friction. Due to the inevitable friction between the balls and the inside wall of the channel, the balls stop near the optimal positions and do not balance the rotor...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2012, 134(1): 011006.
Published Online: December 22, 2011
...C. K. Babu; N. Tandon; R. K. Pandey Nonlinear vibration analysis of angular contact ball bearings supporting a rigid rotor is presented herein considering the frictional moments (load dependent and load independent components of frictional moments) in the bearings. Six degrees of freedom (DOF...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. December 2011, 133(6): 061015.
Published Online: November 28, 2011
... by combining linear piezomagnetic relations for Terfenol-D and a lumped parameter mechanical system model describing the system vibrations. Friction at the fluid seals is described by the LuGre model. The model accurately describes the frequency-domain behavior of the actuator in mechanically-blocked...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. August 2011, 133(4): 041013.
Published Online: April 11, 2011
... for the minimum fastener preload required for preventing self-loosening. The effect of several key variables is investigated; this includes bearing and thread friction coefficients, cap screw grip length, thread pitch, material, and cyclic amplitude of the transverse excitation. An experimental setup and test...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. August 2011, 133(4): 041008.
Published Online: April 8, 2011
... for radial, bending, and torsion motions of a flexible drill string and stick-slip interactions between the drill string and an outer shell. Qualitative changes in the system motions are studied with respect to the rotation speed of the drill string and the friction coefficient between the drill string...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. June 2011, 133(3): 031002.
Published Online: March 24, 2011
...Michael A. Guthrie; Daniel C. Kammer A reduction procedure for joint models that was developed in earlier work is extended to allow for relative motion between surfaces, and the effect of this procedure on timestep issues is considered. A general one-dimensional structure containing a frictional...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. June 2011, 133(3): 034501.
Published Online: March 24, 2011
... includes discontinuous friction, is highly nonlinear and has to be linearized around an operating point in order to use μ -synthesis. The difference between the linear and nonlinear models is characterized in terms of uncertainty weights and included in the control design process. The designed controller...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. December 2010, 132(6): 061012.
Published Online: October 12, 2010
... subsystem and some related systems. With sufficient numbers of included trial functions and harmonic terms, convergent and accurate results are obtained in all the cases. The effect of nonlinearities due to the vibration-dependent friction force between the translating beam and the stationary load subsystem...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. October 2010, 132(5): 051010.
Published Online: August 26, 2010
...Guo Xu-Xia; Wang Zhong-Min The thermoelastic coupling vibration characteristics of the axially moving beam with frictional contact are investigated. The piecewise differential equation of motion for the axially moving beam in the thermoelastic coupling case and the continuous conditions...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. August 2010, 132(4): 041010.
Published Online: June 1, 2010
...Fabrice Chevillot; Jean-Jacques Sinou; Nicolas Hardouin; Louis Jezequel This paper deals with the simulation of nonlinear vibration induced by friction in an aircraft braking system. Experimental tests reveal that in similar experimental conditions the mechanism can generate vibrations of various...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2010, 132(1): 011013.
Published Online: February 1, 2010
...Denis Laxalde; Fabrice Thouverez; Jean-Pierre Lombard This paper investigates a damping strategy for integrally bladed disks (blisks) based on the use of friction rings. The steady-state forced response of the blisk with friction rings is derived using the so-called dynamic Lagrangian frequency...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. February 2010, 132(1): 011005.
Published Online: January 8, 2010
...Rajaey Kased; Tarunraj Singh A linear programming approach designed to eliminate the residual vibration of the two-mass harmonic system subject to friction and undergoing a point-to-point maneuver is proposed and implemented on an experimental test bed. Techniques for design of positive pulse...
Journal Articles
Article Type: Technical Briefs
J. Vib. Acoust. October 2009, 131(5): 054504.
Published Online: September 25, 2009
...Y. Q. Sun; C. Cole A two-dimensional finite element model (2D FEM) has been developed to improve the modeling and understanding of the friction damping characteristics of freight bogie suspensions. The specific suspension considered utilizes friction dampers with constant preload force...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. April 2009, 131(2): 021003.
Published Online: February 13, 2009
...O. Vahid; N. Eslaminasab; M. F. Golnaraghi Lead screw mechanisms are used to convert rotary to linear motion. The velocity-dependent coefficient of friction at the contact between lead screw and nut threads can lead to self-excited vibrations, which may result in excessive noise generated...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. October 2008, 130(5): 051003.
Published Online: August 12, 2008
... of the friction existing in every actuator. Therefore, in this paper, the friction force of the single actuator is taken into account and is described by a bilinear hysteresis model. With this friction force model, a new nonlinear model of the octostrut vibration isolation platform is established. Meanwhile...
Journal Articles
Article Type: Research Papers
J. Vib. Acoust. August 2008, 130(4): 041008.
Published Online: July 11, 2008
...Hiroshi Yabuno; Yota Kunitho; Takuma Kashimura The effect of Coulomb friction on the nonlinear dynamics of a van der Pol oscillator is presented. A map from the magnitude of a peak to that of the succeeding valley in the time history is analytically described by considering both the exponential...