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| A METHOD OF FINDING THE PRINCIPAL MODES OF NONLINEAR VIBRATION SYSTEMS AND THEIR STABILITIES | |
| 作者姓名： | 刘lian生 霍拳忠 黄克累 |
| 作者单位： | Beijing Institute of Aeronautics and Astronautics，Beijing，Tianjin University，Beijing Institute of Aeronautics and Astronautics Tianjin，Beijing |
| 摘 要： | This paper presents a new method of finding the principal modes of nonlinear vibrationsystems,by means of which the problem of finding principal modes of nonlinear systems istransferred to the problem of finding real roots of a set of algebraic equations.The methodis applicable to various kinds of nonlinear vibration systems with many degrees of freedom,and is simple in calculation.The paper presents another new method of analyzing thestabilities of principal modes of nonlinear systems. |
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