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Parametric Excitation
Mechanical systems with a finite number of degrees of freedom (DOF) are studied, whose parameters (mass, dam**, stiffness) are varied in time with...
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Reduction of settling time by multi-frequency pulsed parametric excitation
Introducing a time-periodicity into a system parameter leads to parametric excitation, which in general, may cause a parametric resonance with...
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Mixed Parametric and Auto-oscillations at Nonlinear Parametric Excitation
The development of the theory of oscillatory processes, taking into account the properties of the energy source, contributes to improving the...
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Nonlinear Dynamics of an Axially Moving Plate Submerged in Fluid with Parametric and Forced Excitation
In this study, analytical and numerical methods are applied to investigate the dynamic response of an axially moving plate subjected to parametric...
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Nonlinear interaction of parametric excitation and self-excited vibration in a 4 DoF discontinuous system
Interaction between parametric excitation and self-excited vibration has been subjected to numerous investigations in continuous systems. The ability...
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Parametric Vibration Model and Response Analysis of Cable–Beam Coupling Under Random Excitation
ObjectiveConsidering the influence of cable geometric nonlinearity, inclination angle, and the synergistic vibration of the bridge deck beam, the...
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Oscillations at Nonlinear Parametric Excitation, Limited Power-Supply and Delay
The work is devoted to the development of the theory of oscillatory systems with limited power-supply, the relevance of which has increased due to...
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Enhancing vibration mitigation in a Jeffcott rotor with active magnetic bearings through parametric excitation
In previous studies of linear rotary systems with active magnetic bearings, parametric excitation was introduced as an open-loop control strategy....
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Nonlinear Dynamics of the Hemispherical Resonator of a Rate-Integrating Gyroscope under Parametric Excitation of the Free Precession Mode
AbstractA model of the oscillations of a sensitive element of a hemispherical rate-integrating gyroscope is considered taking into account the...
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Parametric excitation suppression in a floating cylinder via dynamic vibration absorbers: a comparative analysis
Parametric excitation in the pitch/roll degrees of freedom (DoFs) can induce dynamic instability in floating cylinder-type structures such as spar...
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Non-linear vibration and bifurcation analysis of Euler-Bernoulli beam under parametric excitation
This paper presents an analysis of the non-linear vibrations of beams, which play a crucial role in various industrial and construction structures....
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Effect of Thermal Parametric Excitation on the Destabilization of a Linearly Stable System
In this paper, we focus on analyzing the linear stability of a Newtonian fluid layer whose upper surface is subjected to parametric thermal...
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Energy Pum** of Mechanical Oscillators in an Array Configuration Under Impulse and Parametric Excitation
We study the classical form of a nonlinear energy sink (NES) in a vibrating system that consists of weakly coupled, damped oscillators in a multi-DOF...
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Numerical investigation on concomitant VIV and parametric excitation in a rigid cylinder mounted on an elastic support
This work focuses on a numerical investigation on the response of a rigid cylinder mounted on an elastic support subjected to simultaneous...
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A novel resonant parametric feedback controller (RPFC) for suppressing nonlinear resonances and chaos in a cantilever beam
This paper presents a novel resonant parametric feedback controller (RPFC) for suppressing nonlinear resonances and chaos in a cantilever beam using...
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Parametric Study on Bridge Decks Pounding Considering Soil-Structure Interaction Under Earthquake Excitation
A bridge might sustain significant damage or collapse due to an earthquake’s pounding on nearby, insufficiently separated structures. Knowing the...
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Dynamics and Stability of Multi-segment Micro-beam Primary Resonance and Parametric Resonance with Considering the Size Effect
PurposeThis paper is aimed at a three-segment micro-beam of micro-electro-mechanical system (MEMS). The influences of parametric vibration and the...
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Parametric roll oscillations of a hydrodynamic Chaplygin sleigh
Biomimetic underwater robots use lateral periodic oscillatory motion to propel forward, which is seen in most fishes known as body-caudal fin (BCF)...
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Resonances of a forced van der Pol equation with parametric dam**
This work entails an analysis of secondary resonances in the parametrically damped van der Pol equation, with and without external excitation. A...
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Dynamic Responses on the Vortex-Induced Vibration of the Riser Under the Dual Parametric Excitation
The combined vibrations of a top tensioned riser (TTR) excited by the waves and currents are investigated in this paper. The time-varying tension...