...金网 关键词：强非线性振动，广义谐波函数，摄动增量法，多元L-P法，混沌同步 [gap=686]Keywords：strongly nonlinear vibration, generalized harmonic function, perturbation incremental method, multiple dimen..
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应用何吉欢的变分迭代算法，求解得到了一类的强非线性振动方程。
The variational iteration method proposed by Ji-huan he was applied to a kind of strongly nonlinear oscillators.
本文采用改进的L -P法研究梁的强非线性振动，分析了超谐波共振和次谐波共振两种情况。
The modified Lindstedt-Poincaé method(MLP) is used t analyze strongly nonlinear vibration of beams. Attention is focused on the superhamonic and subharmonic resonances.
阐述利用最新提出的同伦分析方法求解有正阻尼的强非线性振动方程，得到了该方程的六阶近似解析解。
In this paper, the sixth-order approximate analytical solutions of the strong nonlinear oscillation with positive damping are obtained by using newly developed homotopy analysis method.
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