Results 21 to 30 of about 42,948 (268)

Influence of the Nonlinear Stiffness Parameter of the Vibratory Stress Relief Device on Strong Nonlinear Superharmonic Resonance

IEEE Access, 2021
Nonlinear superharmonic vibratory stress relief (VSR) is an effective way to solve the resonance problem of a high stiffness workpiece. However, strong nonlinear factors are present, and superharmonic resonance is relatively complicated when the entire ...
Lifang Zhao, Rongxian Mo, Yanzhou Li, Ganwei Cai   +3 more
doaj   +1 more source

Stability analysis and vibration reduction for a two-dimensional nonlinear system [PDF]

, 2013
This study examines how the vibration absorbers influence the stability of nonlinear flow-solid interaction systems. A novel approach is proposed for the analysis of dynamic stability of the two-dimensional nonlinear system using the internal resonance ...
Wang, Yi-ren; Lin, Han-shiang
core   +1 more source

Study on the ultra-wide band gap characteristics of novel star-shaped chiral metamaterials

Hangkong gongcheng jinzhan
The suppression of vibration and noise has always been an important issue in engineering，and metamaterials have shown significant application value in vibration and noise reduction.
WANG Shuo, YAN Qun, YAN Hao, SUN Yongtao, WANG Anshuai, ZHANG Zhaozhan, DING Qian, WANG Liang   +7 more
doaj   +1 more source

Construction vibration risk assessment of engineering projects based on nonlinear feature algorithm

Nonlinear Engineering, 2022
In order to study the vibration engineering project construction risk assessment, algorithms based on nonlinear characteristics, a nonlinear feature extraction local linear embedding (LLE) combined with adaptive neuro-fuzzy inference system (ANFIS ...
Liu Li
doaj   +1 more source

The Parameter Design of Nonlinear Energy Sink Installed on the Jacket Pipe by Using the Nonlinear Dynamical Theory

Applied Sciences, 2022
The aim of this paper is to investigate the vibration suppression effect of a nonlinear energy sink (NES) on the wind-vortex-induced vibration of deep-water jacket pipes. Based on nonlinear dynamical theories, the coupled dynamic equation of a deep-water
Lianfeng Yang, Liqin Liu, Chao Luo, Yongjun Yu, Yiqun Chen   +4 more
doaj   +1 more source

Effects of a Dynamic Vibration Absorber on Nonlinear Hinged-Free Beam [PDF]

, 2016
This study examined the vibrations of a hinged-free nonlinear beam placed on a nonlinear elastic foundation. The authors found that specific combinations of an elastic modulus in the elastic foundation resulted in 1:3 internal resonances in the first and
Yi-Ren Wang; Ting-Hung Kuo
core   +1 more source

Characterization test on nonlinear vibration of the fibre-reinforced composite thin plate

Measurement + Control, 2020
In this research, the characterization test on nonlinear vibration of a fibre-reinforced composite thin plate is studied. First, in order to improve the efficiency and precision of the test, a laser scanning vibration system is designed and developed ...
Hui Li, Ziheng Wang, Yongle Chang, Zhonghao Xu, Chao Mou   +4 more
doaj   +1 more source

Nonlinear vibration isolators with asymmetric stiffness [PDF]

, 2012
A vibration source is commonly coupled to a receiving structure by a vibration isolator. A key trade-off in the choice of vibration isolator is the requirement for a wide frequency range of isolation without excessive static deflection.
Abolfathi, A.
core  

Analytical modeling and vibration analysis of partially cracked rectangular plates with different boundary conditions and loading [PDF]

, 2008
This study proposes an analytical model for vibrations in a cracked rectangular plate as one of the results from a program of research on vibration based damage detection in aircraft panel structures.
Israr, Asif, Israr, A, Ostachowicz, W., Cartmell, M.P., Manoach, Emil, Manoach, E., Zak, Arkadiusz, Krawczuk, M., Krawzcuk, Marek, Trendafilova, Irina, Krawczuk, Marek, Trendafilova, I., Ostachowicz, Wiesław, Ostachowicz, Wieslaw, Żak, A., Cartmell, Matthew P., Trenafilova, Irina   +16 more
core   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source