通过比较台面上不同部位上几个关键结点耦合前后平均加速度值的变化，计算出了各个频率下的附加质量，并对附加质量给振动台设计带来的影响进行了研究。
Comparing with the accelerations of two different conditions, additional masses are calculated. At last, the influences carried by additional mass during the designing of vibration table are analyzed.
将由一维波导通过结点组装成的空间结构的振动作为波动研究，波沿波导传播，并在结点处反射、散射。
Vibration of structures assembled from one dimensional waveguides is studied as wave motion in this paper. Waves propagate along the waveguides and reflect, scatter at the junctions.
对振动筛筛箱进行谐响应分析，确定了筛箱各结点处位移、动应力分布规律。
The distribution rule of all the nodes displacement and dynamic stress were identified by harmonic response simulation.
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