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首页> 外文期刊>International journal of nonlinear sciences and numerical simulation >On Approximate Analytical Solutions of Nonlinear Vibrations of Inextensible Beams Using Parameter-Expansion Method
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On Approximate Analytical Solutions of Nonlinear Vibrations of Inextensible Beams Using Parameter-Expansion Method

机译:参数展开法研究不可伸展梁非线性振动的近似解析解

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摘要

In this work, an analytical method, which is referred to as Parameter-expansion Method is used to obtain the exact solution for the problem of nonlinear vibrations of an inextensible beam. It is shown that one term in the series expansion is sufficient to obtain a highly accurate solution, which is valid for the whole domain of the problem. A comparison of the obtained the numerical solution demonstrates that PEM is effective and convenient for solving such problems. After validation of the obtained results, the system response and stability are also discussed.
机译:在这项工作中,使用一种称为参数扩展方法的分析方法来获得不可扩展梁的非线性振动问题的精确解。结果表明,级数展开式中的一项足以获得高度精确的解,这对于问题的整个领域都是有效的。所获得的数值解的比较表明,PEM对于解决此类问题是有效且方便的。在验证所获得的结果之后,还讨论了系统响应和稳定性。

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