A program is developed for structure-fluid coupling vibration.
并编制了流固耦合振动的通用程序。
Generally, the effect of coupling vibration of all adjacent piers should be considered.
一般情况下,应考虑相邻桥墩的耦联振动影响。
The bending-torsion coupling vibration of ship hull attracts more attention in recent years.
大开口船的弯扭耦合振动问题近年来愈来愈多地受到人们的重视。
This paper detailed analyses the whole course of coupling vibration when vehicles run across bridge.
针对车辆与桥梁间的耦合振动进行全过程分析。
In this paper, fluid_solid coupling vibration of hydraulic_turbines is calculated using coupled FEM and BEM.
本文把有限元法与边界元法相结合来计算水轮机部件流固耦合振动问题。
The structure-liquid coupling vibration problem can be solved automatically by the auto-generating liquid finite element program.
编制了流体有限元自动生成程序,使得流固耦合问题从建立模型到分析能够利用计算机自动实现。
How to design the vehicle and guideway feasibly to attenuate the coupling vibration is a hot topic in the maglev train engineering.
如何合理的设计车辆和轨道,抑制车轨耦合振动成为磁浮列车系统研究的热点问题。
If the coupling vibration or bearing position is high temperature, readjust the concentricity of the coupling or bearing is lack of oil.
如联轴器振动或轴承位发热,应重新调整联轴器的同心度或轴承是否缺油。
The plane curved beam theory with rectangular section is employed to explore the bending and twisting coupling vibration characteristics.
矩形截面的平面曲梁理论探索的弯曲和扭转耦合振动特性。
The phase difference of mass unbalance and bend of rotor will affect the size of coupling zone and the coupling vibration in two coupling zones.
质量偏心与转子弯曲的相位差会影响耦合区的大小及耦合区内的耦合振动;
Under cross wind action, vehicle-bridge coupling vibration analysis requires consideration of aerodynamic force parameters of vehicle and bridge deck.
侧向风作用下的车桥耦合振动分析需要考虑相互气动影响的车辆和桥梁各自的气动参数。
Theoretical research and earthquake damage investigation indicate that there is bend torsion coupling vibration for curved bridge when earthquake occurs.
理论研究与震害经验表明,地震时曲线桥梁会产生弯扭耦合振动。
By testing the hydraulic system of 200mn press, it is shown that the coupling vibration of power fluid and pipeline is the main vibration source of the system.
通过测试200MN油压机液压系统表明动力流体和管路的耦合振动是液压系统主要的振动源。
Actually the external coupling and the internal coupling vibration are widely existent, the operating stability and the measurement precision are directly influenced.
实际的谐振式科里奥利质量流量计工作过程中,普遍存在传感器的外部和内部耦合振动现象,直接影响流量计的稳定性和测量精度。
A problem about tubing string vibration caused by the fluid unsteady flow inside tubing string is studied from the Angle of solid liquid coupling vibration in dynamics.
文章从动力学中固液耦合振动的角度出发,研究了油管柱内流体不稳定流动引起的油管柱振动问题。
In the study of lateral-torsional coupling vibration of a geared rotor system, two coupling models are available, namely force coupling model and geometry coupling model.
在研究齿轮轴系的弯扭耦合振动时,有两种常用的耦合模型,即力耦合模型和几何耦合模型。
Based on rotor dynamics and the basic principle of gear mesh, this paper sets up the lateral-torsional coupling vibration theory of a general geared rotor-bearing system.
基于转子动力学和齿轮啮合基本原理,建立了一般齿轮耦合轴系弯扭耦合振动方程。
The results can be reference to the qualitative analysis and quantitative study to the bending character of a complex shaft system coupling vibration of the rotary machine.
分析结果为研究旋转机械复杂转子系统耦合振动中弯振特性的定量、定性分析提供了依据。
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。
Therefore, it is very necessary to find a Method to simulate reality generated by the bridge under vehicle loads, and to facilitate the calculation of Coupling Vibration Analysis.
因此,建立一种模拟真实情况下汽车过桥所产生荷载,同时便于车桥耦合振动分析计算的车辆荷载模型是十分有必要的。
Based on the equivalent elasticity method, the plane coupling vibration of a rectangular piezoelectric ceramic plate was studied and the resonant frequency equation was derived out.
利用等效弹性法分析了压电矩形共振器的二维耦合振动,导出了振子共振频率的解析表达式。
The result shows that: because of steel truss bridge's small torsional rigidity, bending-torsion coupling vibration of steel truss bridge exerts great influence on dynamic analysis.
计算表明:由于钢桁梁桥的抗扭刚度较小,曲线钢桁梁桥的弯扭耦合作用对动力分析有很大的影响。
Numerical calculation of fluid-structure acoustic coupling vibration were carried out for a 3-d elastic structure with FEM applied to structure analysis and BEM to fluid respectively.
本文对水下三维弹性结构振动的声辐射问题进行了流体-结构声耦合振动的数值计算。
Through finite element analysis and experimental study, this dissertation makes systematical research on vehicle-bridge coupling vibration of concrete box-girder with corrugated steel webs.
本文通过有限元分析和试验研究,对波纹钢腹板混凝土箱梁的车桥耦合进行了较为系统的研究。
Two parameter optimization formulas of multiple tuned mass dampers(MTMD)was introduced. Vertical vibration of bridge was controlled in the train-bridge coupling vibration by the two methods.
介绍了两种多重调谐质量阻尼器(MTMD)的参数优化公式,并采用两种方法对车桥耦合振动中桥梁的竖向振动进行了控制。
Reservoir-dam coupling vibration research, especially elasto-viscoplastic behavior research is a major content of dam earthquake-resistance analysis and is very important to engineering design.
库-坝的耦合振动研究一直是大坝抗震分析的重要内容,也是工程设计的重要依据。
Along with the construction of large-span, river-crossing Bridges, vehicle-bridge coupling vibration will make catenary vibrate, which can further affect pantograph-catenary coupling vibration.
随着大跨距跨江铁路桥的建设,车和桥的耦合振动会引起接触网的振动,进而影响弓网的耦合振动。
By simulating the track irregularities with trigonometric series method, the train-bridge coupling vibration equations are established based on the combined modal of train formation and the bridge.
利用三角级数法模拟了轨道的不平顺,采用列车编组和桥梁组合的模型,建立了车桥耦合振动方程。
Following the fuel testing the aircraft is undergoing structural coupling and ground vibration testing, as well as completing hydraulic testing of the doors and landing gear.
此次燃料测试后,飞机将进行结构耦合和地面振动测试,并将完成门和起落架的水压测试。
In the third part, the concept of coupling element is derived from the vibration analysis of a four-degree spring-oscillator system, and a whole transfer matrix method is developed on the basis of it.
第三章从一个四自由度弹簧振子的振动分析问题提出耦合单元的概念,建立了多转子系统振动分析的整体传递矩阵法;
应用推荐