A method to treat stochastic dynamic equation of complicated structure by means of modal truncation method and to compute response statistics of dynamic system in the time domain is presented.
本文提出了用模态截断法处理复杂结构的随机振动方程、及时域上计算系统随机响应的方法。
The influence of modal truncation was also discussed and its related compensation method was suggested.
此外，研究了模态截尾对算法的影响以及补偿方法。
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