Vibration suppression and higher branch responses of beam with parallel nonlinear energy sinks

Chen, Jianen; He, Wei; Zhang, W.; Yao, Minghui; Liu, J.; Sun, Min

doi:10.1007/s11071-017-3917-z

Cited by 84 publications

(19 citation statements)

References 28 publications

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“…e research achieved simultaneous vibration suppression and energy harvesting using a variant form of nonlinear energy sink (NES). Chen et al [45] analyzed the effects of nonlinear energy sink (NES) on vibration suppression of a simply supported beam and it was found that parallel NES can eliminate the higher branches of the system more effectively by tuning nonlinear stiffness and damping. Moreover, the effects of nonlinear energy sink on vibration reduction of a truss core sandwich beam under the impulse and harmonic loads [46] were studied.…”

Section: Introductionmentioning

confidence: 99%

Vibration Suppression for Beam-Like Repeating Lattice Structure Based on Equivalent Model by a Nonlinear Energy Sink

Liu

Chen

Cui

2021

Mathematical Problems in Engineering

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Based on the fully deployed space beam-like truss, the vibration reduction of the lattice structure is studied by using the local NES (nonlinear energy sink) attachment in this paper. The beam-like lattice structure is modeled as an equivalent linear continuous system (a finite length beam) by the equivalent method and validated with the finite element results. The dynamic vibration equations for the equivalent cantilever beam are established and the governing equations for the equivalent beam with NES are approximated by the Galerkin method. The displacement responses of the beam with and without NES attached under shock excitation are obtained. With NES at different positions, the amplitude responses of the coupled system under the external excitation at different positions are calculated to evaluate the suppression effect of the NES attachment to the structure. And with different masses of the NES, the amplitude responses of the coupled structure subject to the external excitation at different positions are also investigated to get the influence of the mass of the NES attachment to the vibration reduction. It can be seen from the results that the NES attachment can attenuate the response of the beam-like truss under transient excitation efficiently. And with the mass of NES attachment increasing, the vibration amplitude of the coupled system declines more rapidly, and the energy consumption efficiency of the NES attachment is higher. Moreover, the attenuation effect of the NES with different masses is experimentally analyzed. The experimental results are in good accord with the theoretical calculation.

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Section: Introductionmentioning

confidence: 99%

Vibration Suppression for Beam-Like Repeating Lattice Structure Based on Equivalent Model by a Nonlinear Energy Sink

Liu

Chen

Cui

2021

Mathematical Problems in Engineering

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“…The results of their study showed that for the absorber with a mass ratio of 2%, the maximum amplitude of the bridge deck oscillations is reduced by 94%. Chen et al [26] studied the vibration control in a simply supported beam under external harmonic loads, using non-linear mass-spring-damper vibration absorber. Pais and Boote [27] developments a tuned mass damper vibration absorber for yacht structures.…”

Section: Introductionmentioning

confidence: 99%

Vibration analysis of fluid-structure interaction using tuned mass dampers

Javanshir¹,

Zarepour²

2021

J Appl Eng Science

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This paper has investigated the semi-analytical analysis of the solid-fluid interaction vibration in the presence of concentrated mass-spring-damper vibration absorber. The nonlinear partial differential equations of motion are derived by considering von Karman-type large deformations and viscoelastic behaviour. Fluid-structure interaction is modelled by using an acceleration coupling model in which a nonlinear Van der Pol oscillator simulates fluctuating nature of the vortex street. The nonlinear equations are discretized via the Galerkin approach, and the obtained equations are numerically solved by applying the Runge–Kutta method. Eventually, the dynamic response, phase plane plots, and variations of maximum amplitude in terms of fluid velocity for different parameters are extracted. The results reveal that utilizing vibration absorber leads to a signifi cant effect on the dynamic characteristics of the system, displaces the lock-in phenomenon, and remarkably reduce the amplitude of the system oscillations.

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“…A vibration isolator installed between the adapter and the payload to isolate the vibration load has been widely studied [5]. In general, the commonly used vibration isolation systems are mainly divided into passive [6][7][8][9], active [10][11][12][13], and semi-active [14,15] ways. Simple equipment, high reliability, and requiring no external energy are usually considered as advantages of the passive vibration isolator.…”

Section: Introductionmentioning

confidence: 99%

Dynamics Analysis of Active Variable Stiffness Vibration Isolator for Whole-Spacecraft Systems Based on Nonlinear Output Frequency Response Functions

Zhang

Zhu

et al. 2020

Acta Mech. Solida Sin.

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In order to improve the harsh dynamic environment experienced by heavy rockets during different external excitations, this study presents a novel active variable stiffness vibration isolator (AVS-VI) used as the vibration isolation device to reduce excessive vibration of the whole-spacecraft isolation system. The AVS-VI is composed of horizontal stiffness spring, positive stiffness spring, parallelogram linkage mechanism, piezoelectric actuator, acceleration sensor, viscoelastic damping, and PID active controller. Based on the AVS-VI, the generalized vibration transmissibility determined by the nonlinear output frequency response functions and the energy absorption rate is applied to analyze the isolation performance of the whole-spacecraft system with AVS-VI. The AVS-VI can conduct adaptive vibration suppression with variable stiffness to the whole-spacecraft system, and the analysis results indicate that the AVS-VI is effective in reducing the extravagant vibration of the whole-spacecraft system, where the vibration isolation is decreased up to above 65% under different acceleration excitations. Finally, different parameters of AVS-VI are considered to optimize the whole-spacecraft system based on the generalized vibration transmissibility and the energy absorption rate.

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Vibration suppression and higher branch responses of beam with parallel nonlinear energy sinks

Cited by 84 publications

References 28 publications

Vibration Suppression for Beam-Like Repeating Lattice Structure Based on Equivalent Model by a Nonlinear Energy Sink

Vibration Suppression for Beam-Like Repeating Lattice Structure Based on Equivalent Model by a Nonlinear Energy Sink

Vibration analysis of fluid-structure interaction using tuned mass dampers

Dynamics Analysis of Active Variable Stiffness Vibration Isolator for Whole-Spacecraft Systems Based on Nonlinear Output Frequency Response Functions

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