Results 21 to 30 of about 177,537 (304)

DESIGN AND EXPERIMENTAL ANALYSIS OF A NONLINEAR ULTRAHARMONIC VIBRATOR EXCITER

Jixie qiangdu, 2022
Aiming at the problem that the vibration frequency of conventional vibration exciter is small and can not realize the resonance of high stiffness components, Based on the superharmonic vibration characteristics of nonlinear vibration system, designed a ...
WANG ChengJun, SHANG ChenChen, ZHANG YuPing   +2 more
doaj  

Modified Multi-level Residue Harmonic Balance Method for Solving Nonlinear Vibration Problem of Beam Resting on Nonlinear Elastic Foundation [PDF]

Journal of Applied and Computational Mechanics, 2019
Nonlinear vibration behavior of beam is an important issue of structural engineering. In this study, a mathematical modeling of a forced nonlinear vibration of Euler-Bernoulli beam resting on nonlinear elastic foundation is presented.
Md. Saifur Rahman, Abu Sufian Hasan, Ismot Ara Yeasmin   +2 more
doaj   +1 more source

Damage detections in nonlinear vibrating thermally loaded plates [PDF]

, 2009
In this work, geometrically nonlinear vibrations of fully clamped rectangular plates subjected to thermal changesare used to study the sensitivity of some vibration response parameters to the presence of damage and elevated temperature. The geometrically
A.R. Kukreti, B.I. Epureanu, E. Manoach, E. Manoach, E. Manoach, E. Parloo, E.A Thorton, H.T. Banks, I. Trendafilova, I. Trendafilova, J. Cattarius, L. Moniz, M. Amabili, M. Todd, P. Ribeiro, P. Ribeiro, P. Verboven, P.F. Rizos, Y. Zou   +18 more
core   +2 more sources

Vibrational Amplitude Frequency Characteristics Analysis of a Controlled Nonlinear Meso-Scale Beam

Actuators, 2021
Vibration response and amplitude frequency characteristics of a controlled nonlinear meso-scale beam under periodic loading are studied. A method including a general analytical expression for harmonic balance solution to periodic vibration and an updated
Zu-Guang Ying, Yi-Qing Ni
doaj   +1 more source

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

The Nonlinear Tuned Vibration Absorber [PDF]

MATEC Web of Conferences, 2012
The objective of this paper is to introduce a new nonlinear dynamical absorber, the nonlinear tuned vibration absorber, through a rigorous nonlinear extension of the tuning rule for the linear tuned vibration absorber. This nonlinear tuning methodology combined with the increased suppression bandwidth brought by the intentional use of nonlinearity ...
Viguié, R., Kerschen, Gaëtan
openaire   +4 more sources

NONLINEAR VIBRATION [PDF]

, 1963
Nonlinear vibration is discussed and compared with linear vibration. Nonlinear vibration phenomena are described, and methods for testing a nonlinear system, collecting and analyzing the data, and interpreting the results are suggested. (D.L.C.)
openaire   +2 more sources

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

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

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