对称性在双自由度体系强迫振动中的应用

Application of Symmetry in the Forced Vibration of Double Degree of Freedom System

利用对称性将双自由度体系在简谐干扰力作用下强迫振动振幅公式简化 ,转化为单自由度体系强迫振动的计算 ,同时证明了半部结构计算的合理性与正确性 .

Amplitude formula of the forced vibration of double degree of freedom are become amplitude formula of the forced vibration single degree of freedom system with the simple periodic load by making use of symmetry and has proved rationalization and correctness of half structure calculation.