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2:1:1 Resonance in the Quasi-Periodic Mathieu Equation
Richard H. Rand,Tina M. Morrison +1 more
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In this paper, a small e perturbation analysis of the quasi-periodic Mathieu equation is presented, where the scaling factors are conjectured to determine the size of instability regions as we go from one resonance to another in the δ−ω parameter plane.Abstract:
We present a small e perturbation analysis of the quasi-periodic Mathieu equation
$$
\ddot x + (\delta + \epsilon \cos t + \epsilon \cos \omega t) x=0
$$
in the neighborhood of the point δ = 0.25 and ω = 0.5. We use multiple scales including terms of O(e2) with three time scales. We obtain an asymptotic expansion for an associated instability region. Comparison with numerical integration shows good agreement for e = 0.1. Then we use the algebraic form of the perturbation solution to approximate scaling factors which are conjectured to determine the size of instability regions as we go from one resonance to another in the δ−ω parameter plane.read more
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Mathieu's Equation and Its Generalizations: Overview of Stability Charts and Their Features
TL;DR: In this paper, the authors present a systematic overview of the methods to determine the corresponding stability chart, its structure and features, and how it di¤ers from that of the classical Mathieus equation.
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Parametrically Excited Vibration of a Timoshenko Beam on Random Viscoelastic Foundation jected to a Harmonic Moving Load
TL;DR: In this paper, the vibration response of a Timoshenko beam supported by a viscoelastic foundation with randomly distributed parameters along the beam length and jected to a harmonic moving load is studied.
Journal ArticleDOI
Existence of Periodic Solutions for the Generalized Form of Mathieu Equation
TL;DR: The generalized form of the well-known Mathieu differential equation, which consists of two driving force terms, including the quadratic and cubic nonlinearities, has been analyzed in this paper.
Journal ArticleDOI
Study of parametric oscillation of an electrostatically actuated microbeam using variational iteration method
TL;DR: In this paper, a micro-beam suspended between two conductive micro-plates, subjected to the same actuation voltage, has been analyzed using variational iteration method and a nonlinear governing differential equation of motion about static equilibrium position.
Journal ArticleDOI
2:1 and 1:1 frequency-locking in fast excited van der Pol–Mathieu–Duffing oscillator
Mohamed Belhaq,Abdelhak Fahsi +1 more
TL;DR: The frequency-locking area of 2:1 and 1:1 resonances in a fast harmonically excited van der Pol-Mathieu-Duffing oscillator is studied in this article, where an averaging technique over the fast excitation is used to derive an equation governing the slow dynamic of the oscillator.
References
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Journal ArticleDOI
Transition curves for the quasi-periodic Mathieu equation
TL;DR: Of interest is the generation of stability diagrams that identify the points or regions in the $\delta$-$\omega$ parameter plane (for fixed $\eps$) for which all solutions of the QP Mathieu equation are bounded.
Journal ArticleDOI
2:2:1 resonance in the quasiperiodic mathieu equation
TL;DR: In this paper, the authors investigate regions of stability in the vicinity of 2:2:1 resonance in the quasiperiodic Mathieu equation d 2 x dt 2 + (δ + e cos t + eµ cos(1 + e�)t)x = 0.
Journal ArticleDOI
Quasi-Periodic Solutions and Stability for a Weakly Damped Nonlinear Quasi-Periodic Mathieu Equation
TL;DR: In this article, a double multiple-scales method is applied to transform the original QP oscillator to an autonomous system performing two successive reductions, and the stability of stationary solutions of this reduced system is analyzed.
Journal ArticleDOI
Global Behavior of a Nonlinear Quasiperiodic Mathieu Equation
TL;DR: In this paper, the authors investigate the interaction of subharmonic resonance bands in the nonlinear quasiperiodic Mathieu equation, and derive analytic expressions that place conditions on (δ, e, ω1, ψ2) at which sub-harmonic bands in a Poincare section of action space begin to overlap.
Journal ArticleDOI
Asymptotic solutions for a damped non-linear quasi-periodic Mathieu equation
TL;DR: In this article, a double multiple scales method is applied to reduce the original QP oscillator to an autonomous system performing two successive reduction, and the problem for approximating QP solutions of the original system is then transformed to the study of stationary regimes of the induced autonomous system.
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