Open Access

表1

激励施加情况

激励名称 时间/s 时间步长/s 采样率/Hz 施加方式
冲击激励 2 0.002 5 400 在时间历程达到第0.5秒时,在指定位置处施加100 N的集中冲击激励,脉冲宽度为0.005 s
正弦激励 2 0.002 5 400 在整个时间历程中于指定位置处施加幅值为10 N,频率为10 Hz的集中正弦激励
方波激励 2 0.002 5 400 在0~0.5 s和1~1.5 s时段于指定位置处施加10 N的集中恒定载荷
随机激励 2 0.002 5 400 人为构造1组均值为10 N,方差为2 N的时域随机载荷谱

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