Nonlinear oscillation of a charge in an electric field of two charged spheres

W. P. Sun, B. S. Wu, C. W. Lim*

*Corresponding author for this work

    Research output: Journal Publications and ReviewsRGC 22 - Publication in policy or professional journal

    Abstract

    The nonlinear oscillation of a charge placed on a finite conducting wire along the axis of two charged spheres is studied. The oscillation may be in a symmetric or asymmetric single potential well and it is of strong nonlinearity. Based on a new expression of the control equation of motion, analytical approximate periods and periodic solutions are established by using the linearized harmonic balance method. Excellent agreement of the approximate periods and periodic solutions with reference to numerical integration solutions obtained from exact expressions has been demonstrated for small as well as large oscillation amplitude.
    Original languageEnglish
    Pages (from-to)129-134
    JournalInternational Journal of Dynamics and Control
    Volume1
    Issue number2
    DOIs
    Publication statusPublished - 1 Jun 2013

    Research Keywords

    • Analytical approximation
    • Asymmetric oscillations
    • Charged spheres
    • Restoring force
    • Strong nonlinearity
    • Symmetric

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