... insight into the effects of the nonlinear damping mechanisms. damping springs (mechanical) vibration control vibrations 22 09 2010 12 07 2011 13 01 2012 13 01 2012 2012 American Society of Mechanical Engineers ...

.... A multiple time-scales perturbation method is used to construct formal asymptotic approximations of the solutions, and it is shown how different oscillation modes are damped. beams (structures) damping initial value problems perturbation theory springs (mechanical) vibrations To obtain...

... abatement springs (mechanical) structural acoustics vibrations heterogeneous blanket elastic material vibration absorber passive vibration control passive noise control mass interaction Heterogeneous (HG) blankets consist of a layer of elastic media with embedded mass inhomogeneities...

... such as piezoresistivity that may interfere with sensing. drag dynamic response frequency response laminar flow Q-factor springs (mechanical) vibrations viscosity 07 02 2010 30 08 2010 29 03 2011 29 03 2011 2011 ASME ...

... efficient. 19 10 2009 26 05 2010 03 03 2011 03 03 2011 beams (structures) eigenvalues and eigenfunctions Laplace transforms plates (structures) shear modulus springs (mechanical) eigenfrequency beam plate concentrated mass/spring vibration resonator...

... oscillators springs (mechanical) vibrations In this work, we investigate the dynamics of chains of masses connected by springs with nonmonotonic spring forces. The work is motivated by the work of Balk et al. ( 1 2 ) and in related work in Refs. 3 4 5 6 . In Refs. 1 2 , the authors used...

... differential equations partial differential equations springs (mechanical) vibrations nonhomogeneous nonlinear spring-mass system rotating beam multiple time scale The overall performance of various engineering systems, such as turbomachinery, wind turbines, robotic manipulators...

... 25 05 2010 control nonlinearities magnetic levitation nonlinear control systems springs (mechanical) stability vibration isolation vibrations active vibration control vibration isolation magnetic levitation nonlinear zero-power control weight support springs...

... Spring Characteristics (Stationary and Nonstationary Vibrations) ,” ASME J. Vibr. Acoust. 0739-3717 , 130 , p. 031001 . 10.1115/1.2889919 Yamamoto , T. , and Ishida , Y. , 2001 , Linear and Nonlinear Rotordynamics , Wiley , New York . resonance rotors shafts springs...

... points is used to impose nodes. Thus, each oscillator translates and rotates. shock absorbers springs (mechanical) supports vibration control vibrations 21 04 2008 04 12 2008 22 04 2009 2009 American Society of Mechanical Engineers ...

... Energy Sinks ,” ASME J. Vibr. Acoust. 0739-3717 , 118 ( 5 ), pp. 3043 – 3049 . damping optimisation springs (mechanical) vibration control vibrations Tuned-mass dampers (TMDs) have become a very simple and effective vibration suppression device since it was first proposed by Frahm...

... (structures) eigenvalues and eigenfunctions elasticity series (mathematics) springs (mechanical) vibrations Frequency analysis of combined dynamical systems consisting of beams carrying lumped attachments has been studied extensively over the years. Commonly used analytical approaches include...

... 12 08 2006 01 07 2008 acoustic resonance ball bearings elasticity nonlinear systems rotors shafts springs (mechanical) vibrations Some rotating machines, such as generators, have a rotor with an asymmetry in the shaft stiffness. Most of these rotors are supported...

... and the rotor jumps to a stable steady-state resonance curve with small amplitude. Case with a directional difference in stiffness 07 02 2006 26 10 2006 03 04 2008 damping machinery rotors springs (mechanical) vibration control In rotating machinery, large...

... Technology of Vibration and Sound , Hiroshima, pp. 311 – 315 . Ogata , K. , 1970 , Modern Control Engineering , Prentice-Hall , Englewood Cliffs NJ . ball bearings rolling bearings disc drives optical disc storage vibrations mechanical stability springs (mechanical) rods...

... differential equations springs (mechanical) vibrations fault diagnosis structural health monitoring damage identification nonlinear dynamics attractor analysis differential evolution excitation optimization prediction error evolutionary algorithms Research within the structural health...

... springs (mechanical) This work derives motivation from planetary gears, whose noise and vibration are major concerns in a variety of applications. Planetary gears have historically been analyzed with lumped parameter models treating the ring, planets, carrier, and the sun as rigid bodies...