• elliptic averaging methods using the sum of jacobian elliptic delta and zeta functions as the generating solution

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 628
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the present paper describes an improved version of the elliptic averaging method that provides a highly accurate periodic solution of a non-linear system based on the single-degree-of-freedom duffing oscillator with a snap-through spring. in the proposed method, the sum of the jacobian elliptic delta and zeta functions is used as the generating solution of the averaging method. the proposed method can be used to obtain the non-odd-order solution, which includes both even- and odd-order harmonic components. the stability analysis for the approximate solution obtained by the present method is also discussed. the stability of the solution is determined from the characteristic multiplier based on floquet’s theorem. the proposed method is applied to a fundamental oscillator in a non-linear system. the numerical results demonstrate that the proposed method is very effective for analyzing the periodic solution of half-swing mode for systems based on duffing oscillators with a snap-through spring.

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