The elliptic perturbation method is applied to the study of the periodic solutions of strongly quadratic non-linear oscillators of the form xΒ¨+ c1 x + c2 x 2 = ef(x, xΛ), in which the Jacobian elliptic functions are employed. The generalized Van der Pol equation with f(x, xΛ) = m0 + m1 x -m2 x 2 is
AN ELLIPTIC PERTURBATION METHOD FOR CERTAIN STRONGLY NON-LINEAR OSCILLATORS
β Scribed by S.H Chen; Y.K Cheung
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 411 KB
- Volume
- 192
- Category
- Article
- ISSN
- 0022-460X
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β¦ Synopsis
An elliptic perturbation method is presented for calculating periodic solutions of strongly non-linear oscillators of the form xΒ¨+ c1x + c3x 3 = ef(x, xΛ), in which the Jacobian elliptic functions are employed instead of usual circular functions in the conventional perturbation procedure. Three types of Duffing-Van der Pol equation with f(x, xΛ) = (1x 2 )xΛare studied in detail. The present method can give a second approximate solution and therefore its accuracy is much higher than that of other methods in which the solutions are only first approximations.
π SIMILAR VOLUMES
The new idea of calculation of limit cycles of strongly non-linear systems and its several numerical examples were presented in [1]. It is interesting to study the calculation of limit cycles of non-linear systems further, however some defects have been found in [1].
The elliptic Lindstedt}PoincareH method is used/employed to study the periodic solutions of quadratic strongly non-linear oscillators of the form xK #c x# c x" f (x,. xR ), in which the Jacobian elliptic functions are employed instead of the usual circular functions in the classical Lindstedt}Poinc