动力放大 meaning in English
dynamic amplification
dynamic magnification
Examples
- Dynamic magnification factor
动力机器基础动力放大因素 - Calculating results show the dynamic amplification coefficient is smaller when the stiffness of the bridge is larger and vices versa
计算结果显示，桥梁的刚度越大，由于抖振导致的动力放大系数越小；而桥梁的刚度越小，其动力放大系数越大。 - Abstract : in compliance with the theories of structural mechanics , and in consideration of all factors that may influence vehicle impact , two new concepts , i . e . road condition factor and amplification factor of impact dynamics are proposed
文摘:从结构力学的理论出发，考虑影响车辆冲击力的各种因素，提出了路况系数和冲击动力放大系数两个新概念；克服了目前简单确定冲击系数和直线中插确定冲击力的弊端。 - According to the theory analysis and engineering practice , the application of natural vibration features in bridge inspection is introduced . during the transient dynamic analysis of pubugou cfst arch bridge , the time history responses of the structure under uniform velocity moving load and impact load are analyzed , and the amplification coefficients of deflection and internal forces of the structure are intensively analyzed
在瀑布沟大桥的瞬态动力分析中，模拟分析了当移动荷载以不同速度通过桥面时的时间历程动力响应以及在冲击荷载作用下桥跨结构的时间历程动力响应，并对桥跨结构在移动荷载和冲击荷载作用下的动力放大系数作了较为详细的分析。 - We studied the structural dyanamic performances such as interal force , deformation and failure forms and so on under the horizontal earthquake action , got the regularity of the structural period , frequency , damping and other dyanamic behaviors in different stages , discussed the characteristics of earthquake response such as structural displacement , interstorey drift , earthquake action , the amplificatory coefficient of seismic action and the regularity of members " strain and analyzed the deformation property , the characteristics of hysteretic curve and the restoring force
研究了结构在水平地震作用下的受力特点、变形特征、破坏形态等力学性能；得到了结构在不同阶段的周期、频率、阻尼等动力特性的变化规律；讨论了结构各楼层的水平位移、层间位移、动力放大系数及构件应变分布等结构地震反应特征；分析了结构的变形性能、滞回特征和恢复力特性。