...Arun Malla; Mohammad Bukhari; Oumar Barry Numerous recent works have established the potential of various types of metamaterials for simultaneous vibration control and energy harvesting. In this paper, we investigate a weakly nonlinear metamaterial with electromechanical (EM) local resonators...

... . 10.1002/num.21997 [12] Chen , G. , Hsu , S.-B. , and Zhou , J. , 1998 , “ Chaotic Vibrations of the One-Dimensional Wave Equation Due to a Self-Excitation Boundary Condition—II: Energy Injection, Period Doubling and Homoclinic Orbits ,” Int. J. Bifurcation Chaos , 8 ( 3...

... via experimental study on drop test bench. Passive minimization method of vibrations based on experimental and theoretical coupled approach is exposed. Finally, a comparative analysis of different methods of control and experimental results of controlled system are presented. 20 06 2007 15...

... (containers) vibrations floating roof variational principle large deflection sloshing Floating roofs are used in petroleum industries for the storage of liquid hydrocarbons in atmospheric storage tanks. Reducing evaporation of storage materials, they provide better protection against...

...Ruqiang Yan; Robert X. Gao This paper presents a local geometric projection (LGP)-based noise reduction technique for vibration signal analysis in rolling bearings. LGP is a nonlinear filtering technique that reconstructs one dimensional time series in a high-dimensional phase space using time...

... surface waviness on the nonlinear vibrations of rotor bearing system is investigated. The results are mainly presented in time and frequency domains are shown in time-displacement, fast Fourier transformation, and Poincaré maps. The results predict discrete spectrum with specific frequency components...

... forces on the amplitude of vibration, on the structure failure, and on the appearance of horseshoes chaos. Numerical simulations have been performed to confirm analytical investigation. 04 10 2010 11 08 2011 24 08 2011 20 10 2011 24 10 2011 aerodynamics chaos drag...

...Ma’en Sari; Morad Nazari; Eric A. Butcher In order to compare numerical and analytical results for the free vibration analysis of Kirchhoff plates with both partially and completely damaged boundaries, the Chebyshev collocation and perturbation methods are utilized in this paper, where the damaged...

...Go Kono; Yoshinori Inagaki; Hiroshi Yabuno; Tsuyoshi Nohara; Minoru Kasama This research aims to analyze the dynamics of the self-excited vibration of a cleaning blade in a laser printer. First, it is experimentally indicated that that the self-excited vibration is not caused by the negative...

... beams are reduced to a system of ODEs using both finite element method (FEM) and finite difference method (FDM) to ensure the reliability of numerical results. Scenarios of transition from regular to chaotic vibrations and beam dynamical stability loss are analyzed. Advantages and disadvantages...

... that induced by a fast base displacement. 13 03 2011 23 05 2011 22 07 2011 22 07 2011 elastic constants harmonic oscillators impact (mechanical) perturbation theory vibrations Hertzian contact vibroimpact fast excitation subharmonic resonance superharmonic resonance...

...Dániel Bachrathy; Gábor Stépán; János Turi The governing equation of milling processes is generalized with the help of accurate chip thickness derivation resulting in a state dependent delay model. This model is valid for large amplitude machine tool vibrations and uses accurate nonlinear screen...

...B. Besselink; N. van de Wouw; H. Nijmeijer Rotary drilling systems are known to exhibit torsional stick-slip vibrations, which decrease drilling efficiency and accelerate the wear of drag bits. The mechanisms leading to these torsional vibrations are analyzed using a model that includes both axial...

...Takashi Ikeda Nonlinear vibrations of an elastic structure with two partially filled liquid tanks subjected to horizontal harmonic excitation are investigated. The natural frequencies of the structure and sloshing satisfy the tuning condition 1:1:1 when tuned liquid dampers are used. The equations...

.... In the numerical results, the differences between the responses in single- and dual-pendulum systems are shown. A pitchfork bifurcation occurs followed by mode localization where both identical pendula vibrate at constant but different amplitudes. Hopf bifurcations occur, and then amplitude- and phase-modulated...

.... The linear stability analysis of a two-axle IRW truck is performed, the hunting stability and vibration characteristics of IRW truck are investigated, and the results are compared with those obtained using the multibody dynamics model. Good agreement is obtained in hunting frequencies and critical speeds...

... doubling, one-well, and two-well chaos, superharmonic resonances and on and off chaotic oscillations are found. 08 05 2009 04 03 2010 27 09 2010 27 09 2010 beams (structures) bifurcation chaos electrostatic actuators micromechanics oscillations resonance vibrations...

...Xiuhong Hao Lizhong Xu In this paper, the electromechanical coupled nonlinear equations for the electromechanical integrated toroidal drive are proposed. Using the equations, the free vibration and forced response under internal resonance are investigated. The effects of the drive parameters...

... part motion. 07 10 2008 01 12 2009 29 06 2010 29 06 2010 convergence of numerical methods optimisation plates (structures) vibrations As in many other fields, simulation is becoming an increasingly important tool for supporting research in robotics...

... by reducing the flexible degrees of freedom of a rack used for active vibration damping of a scanning tunneling microscope. 15 01 2009 12 05 2009 14 05 2010 14 05 2010 damping eigenvalues and eigenfunctions flexible structures matrix algebra reduced order systems scanning...