Existence of nonlinear normal modes for coupled nonlinear oscillators

Existence of nonlinear normal modes for coupled nonlinear oscillators
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耦合非线性振荡器非线性简正模的存在性

DOI:
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发表时间:
2014
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通讯作者:
D. Hennig
D. Hennig
中科院分区:
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文献类型:
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作者:
D. Hennig

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证明了一般两个耦合非线性振子系统非线性简正模的存在性。促进常微分方程的比较原理,它表明,存在着精确的解决方案,代表了振动的一致的系统。相关联的空间局部化的时间周期性的解决方案功能的振荡器的异相和同相运动。
We prove the existence of nonlinear normal modes for general systems of two coupled nonlinear oscillators. Facilitating the comparison principle for ordinary differential equations, it is shown that there exist exact solutions representing a vibration in unison of the system. The associated spatially localised time-periodic solutions feature out-of-phase and in-phase motion of the oscillators.