Results 21 to 30 of about 3,005,235 (229)
An investigation into the aerodynamic characteristics of catenary contact wires in a cross-wind [PDF]
An experimental analysis of the aerodynamic characteristics of catenary contact wires is presented. The aerodynamic data obtained were used to calculate the Glauert-Den Harthog criterion for one-dimensional galloping.
Scanlon, T.J., Stickland, M.T.
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With the increasing speed of urban rail trains, the vibration between the pantograph collector strip and the contact wire intensifies, and the pantograph-catenary arc occurs frequently, which severely wear the surface materials of the pantograph-catenary.
Xiaoying Yu, Mengjie Song, Ze Wang
doaj +1 more source
This paper presents numerical simulations of multi-storey reinforced concrete frames under progressive collapse scenarios. Reinforced concrete frames with different storeys are modelled using DIANA.
Qiao-Ling Fu +3 more
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Reduced-order modelling of vortex-induced vibration of catenary riser [PDF]
A new reduced-order model capable of analyzing the vortex-induced vibration of catenary riser in the ocean current has been developed. This semi analytical-numerical approach is versatile and allows for a significant reduction in computational effort for
O' Brien, P. +2 more
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Vulnerability Analysis of Catenary-Bridge-Track System
Continuous welded rails on bridges are extensively employed in high-speed railways, where trains are predominantly electrically powered, and the open-air catenary represents the weakest link in the system.
Bin Yan, Limei Yu, Zhe Li, Zhiping Zeng
doaj +1 more source
Numerical investigation of the behaviour of bolted and welded top and seat angle connection in progressive collapse of steel structures [PDF]
After failure of a column in structure by an abnormal loading, undesirable performance and damage of connections of the beams connected to the top of this column, can lead to the local failure of floor and in turn result in progressive collapse in the ...
Mohammad Ali Hadianfard, Mahboobe Namjoo
doaj +1 more source
Vortex-induced vibration of catenary riser: reduced-order modeling and lock-in analysis using wake oscillator [PDF]
A new reduced-order model capable of analyzing the vortex-induced vibration of catenary riser in the ocean current has been developed. This semi analytical-numerical approach is versatile and allows for a significant reduction in computational effort for
O'Brien, P. +4 more
core +3 more sources
An investigation into the mechanical damping characteristics of catenary contact wires and their effect on aerodynamic galloping instability [PDF]
Measurement of the damped oscillation of a section of the UK East Coast Main Line (ECML) catenary/contact wire system was undertaken, and the natural frequency and mechanical damping were found to be 1.4Hz and 0.05 respectively. This information was used
Craighead, I.A. +3 more
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Progressive Collapse Resistance of RC Beam–Slab Substructures Made with Rubberized Concrete
Abnormal loads can produce localized damage that can eventually cause progressive collapse of the whole reinforced concrete (RC) structure. This might have devastating financial repercussions and cause numerous severe casualties.
Ibrahim M. H. Alshaikh +5 more
doaj +1 more source

