... may include multiple gear meshes, flexible shafts, rolling element bearings, housing structures, and other deformable components. finite element analysis frequency-domain analysis gears mechanical contact rolling bearings shafts vibrations Gear vibration is transferred...

... are considered as the small values of O ( ε ) . 21 08 2009 16 04 2010 01 03 2011 01 03 2011 abrasion elastic constants impact (mechanical) lubrication machine bearings mechanical contact mechanical guides nonlinear estimation rotors stators vibration control...

... 11 2009 aerospace components aerospace engines ball bearings beams (structures) failure (mechanical) fault diagnosis integration mechanical contact rotors stators vibrations In general, the rotor of aero-engine is supported on the stator casing through bearing...

... based solely on the static deflection profiles, along with due attention to moment conditions at the edge of contact, seem to describe the first modes of these systems quite well. adhesion beams (structures) cantilevers mechanical contact partial differential equations vibrations...

... control magnetic bearings machine bearings mechanical contact finite element analysis rotor-stator contact dynamics periodic contact modes synchronous unbalance compensation magnetic bearings If contact frequency ranges have been identified, the contact impulse p...

...-Moving Media Vibration Problems ,” ASME J. Vibr. Acoust. 0739-3717 10.1115/1.1303847 , 122 , pp. 290 – 294 . Nayfeh , A. H. , and Mook , D. T. , 1979 , “ Nonlinear Oscillations ,” Wiley , New York, pp. 105 – 107 . mechanical contact friction structural acoustics...

.... 17 10 2005 12 08 2006 railways railway safety mechanical contact vehicle dynamics rails wheels railway vehicle track derailment coupling dynamic wheel/rail interaction creep force The basic requirement for the safety of railway transportation system...

... will be a great help in deriving a simplified model that will be in favor of our analysis. 17 05 2005 20 04 2006 vibrations structural acoustics mechanical contact friction slip rotors stators Dry friction backward whirl has destructive effects on the rotating machinery...

... . 12 12 2004 09 09 2005 life testing ball bearings rotation electric machines damping flywheels mechanical contact Although active magnetic bearings (AMBs) provide such advantages over conventional mechanical bearings as high-speed capability due...

... OF VIBRATION AND ACOUSTICS . Manuscript received September 1, 2003; final revision, February 6, 2004. Review conducted by L. Bergman. 01 September 2003 06 February 2004 21 03 2005 damping surface roughness elastic constants mechanical contact wear lubricants Another...

... an unbalance excitation as if the rotor were rotating in the negative (clockwise) direction. 24 02 2003 01 12 2004 rotors stators vibrations structural acoustics mechanical contact nonlinear systems electric machines wear Rotor-to-stator rubbing can degrade the performance...

... damping best captured the characteristics of the experimental signal. The wavelet contours were also used to estimate the contact stiffness. 04 08 2003 22 06 2004 wavelet transforms vibrations friction slip mechanical contact oscillations We characterize stick-slip motion...

... from a gear system, for example, will depend critically on the high frequency response. energy conservation gears vibrations acoustic noise mechanical contact elastic constants deformation product design 12 06 2003 21 04 2004 2005 American Society of Mechanical...

... and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS . Manuscript received July 2002; Revised May 2003. Associate Editor: J. A. Wickert. 01 July 2002 01 May 2003 26 02 2004 impact (mechanical) mechanical contact elastic waves flexible structures stress analysis...

... brakes vibration control acoustic noise numerical stability elasticity mechanical contact finite element analysis nonlinear differential equations eigenvalues and eigenfunctions structural acoustics There are many engineering systems involving moving loads, such as vehicle brakes...

... torsion mechanical contact 9 Experimental and numerical results In addition, a second peak appears at 6 Hz in Fig. 9 ( a , b ) which corresponds to the first frequency of the rod. In the case of a well-bore covered with rubber, a similar analysis shows that there is a backward whirl...

... 2000 01 September 2001 vibrations vibration isolation mechanical contact elastic constants Vibration and noise reduction is a major concern in powertrain and gearing applications. A primary source of gear vibration and noise is the dynamic excitation from the changing stiffness...

... for publication in the JOURNAL OF VIBRATION AND ACOUSTICS . Manuscript received Feb. 1999; revised Feb. 2000. Associate Technical Editor: K. W. Wong. 01 Feb 1999 01 Feb 2000 mechanical contact vibrations Machined joints exist extensively in machines and mechanical structures, which...