Results 81 to 90 of about 18,850 (212)

Nonlinear static and dynamic analysis of mixed cable elements [PDF]

, 2017
This paper presents a family of finite elements for the nonlinear static and dynamic analysis of cables based on a mixed variational formulation in curvilinear coordinates and finite deformations.
Crusells Girona, Miquel, Filippou, Filip C., Taylor, Robert L.   +2 more
core   +1 more source

Three-dimensional tracking solar energy concentrator and method for making same [PDF]

, 1977
A three dimensional tracking solar energy concentrator, consisting of a stretched aluminized polymeric membrane supported by a hoop, was presented. The system is sturdy enough to withstand expected windage forces and precipitation.
Miller, C. G., Pohl, J. G.
core   +1 more source

OPTIMIZATION RESEARCH OF PREVENTIVE MAINTENANCE STRATEGY ON THE CATENARY SYSTEM BASED ON RELIABILITY CONSTRAINTS

Jixie qiangdu, 2016
Optimization research on reliability of the catenary system and preventive maintenance strategy is the key to ensure the safe operation of the electrical railway.
LIU Huan, LIU ZhiGang, JIANG Jing
doaj  

Study on the Influence of Different Dropper Models in Pantograph–Catenary System on Dropper Load Simulation

Machines
The dropper load directly influences the fatigue mechanism of the high-speed catenary system. A proper dropper model for a pantograph–catenary system can be used to accurately and efficiently investigate this phenomenon.
Like Pan, Liming Chen, Yan Xu, Bo Dong, Xiaoli Guo, Weidong Zhu   +5 more
doaj   +1 more source

Discussion on Design of Catenary-Free Urban Rail Transit Vehicle Depots

Chengshi guidao jiaotong yanjiu
ObjectiveThe rapid development of energy storage technology and the realization of train catenary-free self-propulsion functions have made it possible to operate vehicle depots without overhead catenary systems or third rails. However, there have been no
Wei LI
doaj   +1 more source

RESEARCH ON MONITORING METHOD AND APPLICATION OF THE DYNAMIC CONTACT FORCE BETWEEN CATENARY AND PANTOGRAPH BASED ON STRAIN RESPONSE INVERSION TECHNOLOGY (MT)

Jixie qiangdu, 2022
In-situ monitoring of the dynamic contact force between catenary and pantograph is very important for the quality evaluation of pantograph catenary current collection.
LEI YuHeng, REN Liang, LIU QiangPing, YOU RunZhou, XIA MengYing, LI HongNan   +5 more
doaj  

Safety Management-control Platform for Catenary System Operations Integrating BIM+GIS

Chengshi guidao jiaotong yanjiu
[Objective] During the operation and maintenance of urban rail transit catenary systems， various challenges such as reduced maintenance windows， high labor costs， low levels of information-based management， and significant operational safety risks will ...
SHI Wenzhao, WANG Xuewei, LIU Heng, ZHANG Chenlei, ZHANG Mingrui   +4 more
doaj   +1 more source

Optimization of hoisting parameters in a multi-rope friction mine hoist based on the multi-source coupled vibration characteristics of hoisting catenaries

Advances in Mechanical Engineering, 2017
To avoid catenary collision in a multi-rope friction mine hoist, in this study, the relevant hoisting parameters based on the multi-source coupled vibration characteristics of hoisting catenaries are optimized.
Jiannan Yao, Yong Deng, Xingming Xiao
doaj   +1 more source

Design Aspects of Positional Mooring System Based on LR FOIFL Rules [PDF]

, 2012
Floating offshore units, such as FPSOs, are subject to dynamic excitations from the environment and require to be moored to maintain position at the fix location of operation.
Prasetyawan, I. (Ika), Puryantini, N. (Navik)   +1 more
core  

Nonlinear Buckling Analysis of Railway Catenary Systems in Strong Wind Area

机车电传动, 2011
Based on catenary systems of Xinjiang railway in strong wind area, the effect of kinematic nonlinearity and material nonlinearity of catenary systems was considered, and the finite model of catenary systems was discussed. It analyzed the catenary systems
马佳骏, 曹树森, 邓斌, 刘晓红
doaj