1) dropper
[英]['drɔpə(r)] [美]['drɑpɚ]
吊弦
1.
Provides a new method to calculate the length of the dropper on the base of description of traditional method and thoughts.
在总结现有吊弦计算方法的基础上提出一种新的计算方法,阐述了新方法的基本理论基础和计算流程。
2.
Based on the Finite Element Theory, the Nonlinear Theory of cable and Newton-Raphson Algorithm, the length of droppers in the catenary’s system will be calculated.
基于有限元理论、索的非线性理论及牛顿-拉夫逊算法求解接触网系统的吊弦长度,进而建立基于多柔体力学理论的接触网模型,为弓网关系评价奠定基础。
2) complete set of droppers
整体吊弦
1.
Analyses effect construction of the complete set of droppers precision factor thus line, temperature, wire, manufacture, installation.
分析了影响整体吊弦施工精度的因素,包括线路情况、环境温度、线材、加工、安装等方面。
2.
It illustrates the structure and characteristics of adopted complete set of droppers in constructing OCS for electrification of railways, introduces the preparation, calculation formula and modification formula for calculating the length of complete set of droppers, and gives the synthesized calculation formula applicable to complete set of droppers of simple chain suspension OCS.
阐述了电气化铁道接触网整体吊弦的结构型式及性能、计算整体吊弦长度需做的准备工作、计算公式及其修正公式,并给出了适用于简单链形悬挂整体吊弦的综合计算公式。
3) calculation of dropper
吊弦计算
1.
The paper obtains the tension force difference formula by analyzing the factors affecting the tension force of messenger wires in curve section which makes it possible to control the tension force of the messenger wires during the calculation of droppers so as to improve the accuracy in calculation of droppers.
通过分析曲线线路上影响承力索张力变化的因素,得出了张力差公式,进而对吊弦计算中承力索张力值进行控制,以提高吊弦计算精确度。
4) dropper length
吊弦长度
1.
Thus,the dropper length,being satisfied with the initial equilibrium equation,was obtained.
基于整体求解的思想,通过接触网在张力和自重作用下的垂向位移,对接触网模型进行重构,并给接触线预留一定的负弛度,以保证经过几次负弛度计算后,接触线到达初始平衡位置时保持水平,由此得到满足初始平衡条件的吊弦长度,确定了接触网在初始平衡位置的几何参数和应力分布,同时将负弛度法和传统方法进行对比研究。
5) adjustment of straight catenary
直吊弦调整量
补充资料：哀弦
悲凉的弦乐声：哀弦绕白雪，未与俗人操。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条