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本文提出了一种用Fourier正逆变换对非线性扭振系统进行数值求解的方法,并用派生响应的新概念分析与解释非线性振动响应的机理.文中介绍了该方法的理论基础,并用实例作了计算与分析,证明运用此法是可行的和成功的.
In this paper, we present a method to solve the nonlinear torsional vibration system numerically by Fourier inverse transformation, and analyze and explain the mechanism of nonlinear vibration response with the new concept of derivative response. The theoretical basis of this method is introduced in this paper. The calculation and analysis prove that it is feasible and successful to use this method.