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带外挂二元翼极限环颤振的高次线化分析
引用本文:杨翊仁 赵令诚. 带外挂二元翼极限环颤振的高次线化分析[J]. 应用力学学报, 1992, 9(2): 109-113
作者姓名:杨翊仁 赵令诚
作者单位:西南交通大学(杨翊仁),西北工业大学(赵令诚)
摘    要:本文针对在外挂上带有初偏间隙型非线性刚度的二元翼带外挂系统的极限环颤振,进行KBM法二次渐近解等效线化分析.结果表明,在某些情况下,用二次渐近解等效线化分析极限环颤振,其结果与数值积分结果基本一致,而一次渐近解等效线化分析则得不出满意的结果.这就是说,二次解等效线化比一次解等效线化更为可靠.

关 键 词:KBM法 等效线化 非线性颤振 极限环

Wing-Store Limit Cycle Flutter Analysis Using Higher Order Linearization
Yang Yiren. Wing-Store Limit Cycle Flutter Analysis Using Higher Order Linearization[J]. Chinese Journal of Applied Mechanics, 1992, 9(2): 109-113
Authors:Yang Yiren
Affiliation:Yang Yiren(Southwest Jiaotong University) Zhao lingcheng(Northwestern Polytechnical University)
Abstract:By using the equivalent linearized stiffness derived from the second order solution of KBM method, the limit cycle flutter of a two-dimensional wing/store system with gap in thier connection is investigated. It is shown that, in some cases, the features of the limit cycle flutter obtained by numerical integration can be predicted by the second order equivalent linearization; whereas the cenventional first order harmonic balance method fails to do so. That means the secend order equivalent linearization is more reliable than the first one.
Keywords:KBM method  equivalent linearization  nonlinear flutter  
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