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- Application of Cubic spline Function to Moving Load Identification on A Bridge 三次样条函数在桥梁移动荷载识别中的应用
- moving loads identification 移动荷载识别
- moving load identification 移动荷载识别
- Load identification research is vital to dynamic analysis and applications. 摘要荷载的辨识问题研究在动力分析和应用中具有重要意义。
- This paper presents a method determining analytical and process bandwidth in load identification. 本文研究在载荷识别中确定载荷的分析处理频带宽度的方法。
- In order to evaluate the vibration along railway correctly, it is necessary to lucubrate the dynamic response of ground bearing the moving loads of vehicle. 为了正确评价轨道沿线环境的振动，有必要深入研究列车荷载作用下地基土的动力响应。
- In back analysis,the unreasonable modality is not only helpless for the load identification,but also interferefering... 然而在工程实行中,常常是很难对作用于结构的外载荷作直接测量和计算。
- ALAN BROOKS: Yeah, I mean, we're just unable to move loads of trains from Calais so we can't offer the type of service our customer needs. ALAN BROOKS： 的确是这样。我是说，很多火车都不能从加来开走，所以我们不能为我们的客户提供他们所需要的服务。
- In order to solve this problem, a dynamic load identification method about guyed mast should be established. 要解决这个问题，必须建立作用在桅杆结构上的动力风荷载的识别方法。
- In this paper, load identification is studied in the time domain by combining the coupling method and the precise time integration method. 该文通过耦合方法与精细时程积分法的结合，对载荷辨识问题进行时域分析和推导。
- A dynamic load identification method is proposed for proportional damping systems based on high precision direct integration scheme. 对比例阻尼系统给出了基于精细逐步积分法的动态载荷识别方法。
- Firstly, by assumption and predigest of viscoelastic foundation model, plates and moving load, a mechanics model of system can be gained. 然后,把道面板周边的接缝视为板边的弹性支撑,考虑这种弹性支撑为刚性道面板的边界条件。
- This paper is absorbed in the research of the nond estructive testing theory about airport rigid pavements,which is on semi_infinit e viscoelastic foundation to moving load. 以一种新的、更符合实际的力学计算模型-移动荷载下粘弹性地基板系统来研究场道的无损检测理论。
- Based on Hamiton's principle, the coupling vibration of multi-span uniform beam subjected to moving load is analysed by using fitting beam vibration mode functions assumed modes. 摘要根据哈密顿原理，应用插值振型函数法，分析了多跨连续梁在移动荷载作用下的车桥耦合振动动态响应。经实例讨论分析，给出了多跨等截面连续梁在不同速度移动荷载作用下的数值结果。
- In the FEM simulation of the loading identification process, the bending moment maintains a constant amplitude, hut its direction is alterable. 在有限元仿真计算中，弯矩载荷的大小保持不变，但方向可调。
- The highly precise direct integration scheme is used for solving modal dynamic differential equation of the structure and a dynamic load identification method by the modal respondence is proposed. 采用无条件稳定的精细逐步积分法求解结构的模态动力学微分方程，构造了通过结构的模态响应直接反求荷载列阵的迭代算法。
- Yet the additional information data used in the paper are obtained through calculation rather than direct measuring, which means necessary to solve a forced vibration problem of plate (direct problem) before load identification. 但本文所使用的附加信息数据事实上是通过计算而非测量得到的,因此在载荷反演之前需要解一个板的强迫振动问题(正问题)。
- For the first case,the self-characteristics of back analysis must be considered.In back analysis,the unreasonable modality is not only helpless for the load identification,but also interferefering... 大量算例表明,采用本文提出的准则和公式可以防止因模态选取不当而产生的伪解,避免计算中的数值病态,明显提高了动态载荷识别的成功率和精度。
- Moving house is a vexatious business. 搬家是件麻烦的事情。
