Stochastic optimization of nonlinear energy sinks
Sign Up to like & getrecommendations! Published in 2017 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-016-1526-y
Abstract: Nonlinear energy sinks (NES) are a promising technique to achieve vibration mitigation. Through nonlinear stiffness properties, NES are able to passively and irreversibly absorb energy. Unlike the traditional Tuned Mass Damper (TMD), NES absorb energy… read more here.
Keywords: design; energy; stochastic optimization; nonlinear energy ... See more keywords
Targeted energy transfer of a parallel nonlinear energy sink
Sign Up to like & getrecommendations! Published in 2019 at "Applied Mathematics and Mechanics"
DOI: 10.1007/s10483-019-2477-6
Abstract: A parallel nonlinear energy sink (NES) is proposed and analyzed. The parallel NES is composed of a vibro-impact (VI) NES and a cubic NES. The dynamical equation is given, and the essential analytical investigation is… read more here.
Keywords: targeted energy; energy transfer; energy sink; energy ... See more keywords
Vibration suppression and higher branch responses of beam with parallel nonlinear energy sinks
Sign Up to like & getrecommendations! Published in 2018 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-017-3917-z
Abstract: The effects of nonlinear energy sink (NES) on vibration suppression of a simply supported beam are investigated in this work. The slow flow equations of the system are derived by using complexification–averaging method, and the… read more here.
Keywords: parallel nes; energy; vibration; higher branch ... See more keywords
Performance measures for targeted energy transfer and resonance capture cascading in nonlinear energy sinks
Sign Up to like & getrecommendations! Published in 2018 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-018-4190-5
Abstract: In vibrating mechanical systems, the targeted energy transfer mechanism (TET) of nonlinear energy sinks (NES) is employed as an alternative to linear tuned mass dampers (TMD) as passive vibrations absorbers for transient vibrations. The major… read more here.
Keywords: energy transfer; energy; time; targeted energy ... See more keywords
Asymptotic analysis of passive mitigation of dynamic instability using a nonlinear energy sink network
Sign Up to like & getrecommendations! Published in 2018 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-018-4438-0
Abstract: The present work studies a one-DOF nonlinear unstable primary system, which undergoes harmful limit cycle oscillations, coupled to a network of several parallel nonlinear energy sinks (NESs). As usual, in the framework of NES properties… read more here.
Keywords: network; system; asymptotic analysis; mitigation ... See more keywords
Nonlinear vibration and dynamic stability analysis of an axially moving beam with a nonlinear energy sink
Sign Up to like & getrecommendations! Published in 2021 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-021-06389-0
Abstract: This paper investigates the forced vibration and dynamic stability of a simply supported axially moving beam coupled to a nonlinear energy sink with the aim of passive vibration control. The equations of motion of the… read more here.
Keywords: vibration; energy sink; moving beam; beam ... See more keywords
Vortex-induced vibration of a cylinder with nonlinear energy sink (NES) at low Reynolds number
Sign Up to like & getrecommendations! Published in 2021 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-021-06399-y
Abstract: Vortex-induced vibration (VIV) is a fluid structure interaction phenomena that can lead to the fatigue failure of high-rise structures. To study the basic principles and method of VIV suppression for a cylinder structure, a two-dimensional… read more here.
Keywords: induced vibration; cylinder; vibration; vortex induced ... See more keywords
Theoretical and experimental study of an enhanced nonlinear energy sink
Sign Up to like & getrecommendations! Published in 2021 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-021-06553-6
Abstract: Based on theoretical and experimental investigations, this paper proposes a nonlinear energy sink (NES) with piecewise linear springs to enhance vibration suppression effects. A cubic nonlinear oscillator is coupled with a piecewise linear spring to… read more here.
Keywords: theoretical experimental; vibration; energy sink; vibration suppression ... See more keywords
Steady-state response of a viscoelastic beam with asymmetric elastic supports coupled to a lever-type nonlinear energy sink
Sign Up to like & getrecommendations! Published in 2021 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-021-06625-7
Abstract: This work proposes on a novel continuum vibratory absorber that integrates a lever-type nonlinear energy sink (LNES) with asymmetric elastic boundary into viscoelastic Euler–Bernoulli beam condition to attenuate vibration. The steady-state response of the system… read more here.
Keywords: system; response; energy sink; type nonlinear ... See more keywords
Influence of geometric nonlinearity of rectangular plate on vibration reduction performance of nonlinear energy sink
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-020-0704-4
Abstract: The differences between the vibration reduction of a NES (nonlinear energy sink) on a nonlinear plate and a linear plate are compared, and the effect of NES on the nonlinear plate is mainly analyzed. The… read more here.
Keywords: nonlinear energy; plate; energy sink; vibration reduction ... See more keywords
Optimization under uncertainty of parallel nonlinear energy sinks
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2016.12.043
Abstract: Abstract Nonlinear Energy Sinks (NESs) are a promising technique for passively reducing the amplitude of vibrations. Through nonlinear stiffness properties, a NES is able to passively and irreversibly absorb energy. Unlike the traditional Tuned Mass… read more here.
Keywords: energy; energy sinks; optimization; nonlinear energy ... See more keywords