In the paper, a method for spatial vibration analysis of the system of train and long span steel trussed cable-stayed bridge is presented.
本文提出了一种分析列车、大跨度钢桁梁斜拉桥系统空间振动的方法。
In the paper, one of the finite element analytical models for spatial vibration of the train and deck steel plate girder bridge system is presented.
以结构力学为基础,利用加固前对钢板梁桥测得的横向位移,提出了一种通过反算出列车等效横向摇摆力来计算加固后钢板梁桥的横向位移的方法。
In order to analyzing the vehicle-track coupling vibration character of infinite length track, a time-varying model of railway tangent track spatial vibration was presented.
针对无限长轨道上车辆轨道耦合振动响应特性,建立了铁路直线轨道结构空间振动模型。
The fundamental problem in the establishment and solution to the spatial vibration equation of train-track (bridge) time-varying system at home and abroad is analyzed in detail.
分析了国内外在列车-轨道(桥梁)时变系统空间振动方程的建立及其求解过程中存在的根本问题。
Therefore, the differential equations 'coefficient matrix of the free vibration of the spatial rigid body is automatically formed, and free vibration frequency and its type can also be found out.
最后自动组成空间刚体自由振动微分方程的系数阵,并计算出刚体的自振频率和振型。
Based on the coupled dynamic model for the spatial rotation and elastic vibration of a body, the resonance unstability of projectiles in flight is studied in the paper.
从弹箭空间摆动和弹性振动耦合的动力学模型出发,对弹箭飞行过程中的共振不稳定性问题进行了研究。
Dynamic properties of the structure is analyzed, and by this means the way that the vibration characteristics of large-scale spatial structures changes with some kinds of factors are studied.
对奥体模型的动力特性进行分析,研究了大型空间结构的动力特性受各种因素影响的变化规律。
In China, the high rise structures load code is used for the large span spatial structures, only the first frequency is taken account for the wind vibration analysis, which is not reasonable.
我国现在仍是采用高耸或高层结构的荷载规范,只取结构的第一阶频率计算风振系数,按此方法进行大跨空间网格结构的风振分析是很不合理的。
By spatial discretization model, the structural self-vibration property and the dynamic response of Yuanjiagang Station bridge on Chongqing straddle type monorail line was computed.
采用空间离散模型,计算重庆跨座式单轨交通线路袁家岗车站桥的结构自振特性及动力响应。
The results of this thesis show that complex method is feasible and effective to optimize dampers'parameters in the vibration control of long-span spatial structures.
结果表明:复形法对阻尼器在大跨空间结构减震控制中的参数优化是可行的,且取得了很好的效果。
In this paper, the effect of spatial correlations of wind-excited random vibration is studied and the corresponding formulas for towers and tall buildings are presented.
本文研究随机风振空间相关性的影响,导出了针对高耸高层结构考虑空间相关性的风振计算有关公式。
Vibration equations for the bridge are derived using spatial beam element.
建立了桥梁的有限元振动方程;
Moreover, interpolation in spatial domain is proposed to retrieve signal for space time processing in consideration of the vibration of platform motion.
此外,考虑到实际平台运动速度的波动,本文又提出通过空域插值获得等效阵元信号进行空时二维滤波的方法。
Moreover, interpolation in spatial domain is proposed to retrieve signal for space time processing in consideration of the vibration of platform motion.
此外,考虑到实际平台运动速度的波动,本文又提出通过空域插值获得等效阵元信号进行空时二维滤波的方法。
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