The effects of track stiffness on track dynamic characteristics were investigated by the wheel-rail system dynamic analysis in frequency domain.
应用轮轨系统动力学的频域分析方法，研究了轨道刚度对轨道动力特性的影响规律。
General mechanic differences and methods of dynamic response analysis of RC structure characterized by abrupt change in horizontal connection stiffness are discussed.
探讨具有水平连接刚度突变特征的钢筋混凝土结构的一般力学特点与动力反应分析方法。
The analysis on dynamic property of BSS show that the vertical vibration modes is primary, and the geometrical stiffness has little influence on the natural vibration characteristics.
对结构动力特性的分析表明其振动以竖向振型为主，几何刚度对结构自振特性影响很小。
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