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Application of Recent Powerful Analytical Approaches on the Non-Linear Vibration of Cantilever Beams

机译:新近有力的分析方法在悬臂梁非线性振动中的应用

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This paper presents the advantages of some effective analytical approaches applied on the governing equation of transversely vibrating cantilever beams. Six studied methods are Min-Max Approach, Parameter Expansion Method, Hamiltonian Approach, Variational Iteration Method, Bubnov-Galerkin and Energy Balance Method. The powerful analytical approaches are used to obtain frequency-amplitude relationship for dynamic behavior of nonlinear vibration of cantilever beams. It is demonstrated that one term in series expansions of all methods are sufficient to obtain a highly accurate solution. Finally, a numerical example is conducted to verify the accuracy of these methods.
机译:本文介绍了一些有效的分析方法在横向振动悬臂梁控制方程中的优点。研究了六种方法:最小-最大方法,参数扩展方法,哈密顿方法,变分迭代方法,Bubnov-Galerkin和能量平衡方法。强大的分析方法可用于获得悬臂梁非线性振动动力学行为的频率-振幅关系。证明了所有方法的系列展开式中的一项足以获得高度精确的解决方案。最后,通过数值例子验证了这些方法的准确性。

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