动刚度，是指结构在特定的动态激扰下抵抗变形的能力。
疲劳强度计算（fatigue strength calculation） 静刚度 （ static rigidity ） 动刚度（dynamic rigidity） ..
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...动刚度； 有限元法 文献标识码： A 中图分类号： TH113 [gap=1079]igh-speed eIectric spindIe；rotor system's dynamics；anguIar contact baII bearing；kinetic supporting stiffness；finite eIement method ..
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Finally, dynamic stiffness prediction method, static stiffness prediction method and stress releasing prediction method are put forward, and at the same time the prediction procedure and its application analysis of the three methods are introduced in actual projects.
提出了动刚度预测法、静刚度预测法及应力释放预测法三种预测永存预应力的方法，并介绍了三种方法在工程实际应用中的预测流程以及应用分析。
参考来源 - 在役混凝土梁永存预应力试验研究Static rigidity, dynamic rigidity, static strength, fatigue strength, integral stability and partial stability are the key controlling index of crane's metal construction. The crane can work safely and reliably if all of them are satisfied.
静刚度、动刚度、静强度、疲劳强度、整体稳定性和局部稳定性是起重机金属结构的关键控制指标，它们必须全部满足才能保证起重机安全可靠运行。
参考来源 - 考虑车轮约束的门式起重机刚度建模研究·2,447,543篇论文数据，部分数据来源于NoteExpress
提出用动刚度系数方法对转子和轴系残余振动进行预测。
This paper calculates the residual vibration of rotors and axis with a new method equivalent dynamic stiffness factor.
分析尾轴架的动刚度曲线，可得到尾轴架结构的固有频率。
Analyses of these curves make the natural frequencies of the shaft brackets available.
用一种新的方法—等效动刚度系数法对转子的动平衡进行了研究。
This paper presents a new method, the equivalent dynamic stiffness factor method, in dynamic balancing rotors.
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