| 秋千--力学模型,初等分析与参数共振微扰解析解 |
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| 引用本文： | 佘守宪. 秋千--力学模型,初等分析与参数共振微扰解析解[J]. 大学物理, 2005, 24(5): 5-12,15 |
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| 作者姓名： | 佘守宪 |
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| 作者单位： | 北京交通大学,物理系,北京,100044 |
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| 摘 要： | 采用可变长度单摆的力学模型对秋千振荡给出初等分析，采用微扰近似法导出了秋千的非线性参数共振解析解，并进行了讨论。
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| 关 键 词： | 秋千 非线性振动 参数振动 参数共振 |
| 文章编号： | 1000-0712(2005)05-0005-08 |
Swing - mechanical model, elementary analysis and perturbation solution for nonlinear parametric resonance |
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| SHE Shou-xian. Swing - mechanical model, elementary analysis and perturbation solution for nonlinear parametric resonance[J]. College Physics, 2005, 24(5): 5-12,15 |
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| Authors: | SHE Shou-xian |
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| Abstract: | A variable length simple pendulum model is introduced, elementary analysis and perturbation analytic solution of nonlinear differential equation for parametric resonance are presented. |
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| Keywords: | swing nonlinear vibration parametric vibration parametric resonance |
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