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A Numerical Study on Dynamic Characteristics of a Catenary  

Kim, Jung-Soo (Department of Mechanical and System Design Engineering, College of Engineering, Hongik University)
Kim, Woonkyung M. (Department of Radio Communications Engineering, College of Information and Communications, Korea University)
Kim, Jeung-Tae (Department of Mechanical and System Design Engineering, College of Engineering, Hongik University)
Lee, Jae-Won (Graduate School, College of Engineering, Hongik University)
Publication Information
Journal of Mechanical Science and Technology / v.17, no.6, 2003 , pp. 860-869 More about this Journal
Abstract
Dynamic characteristics of a catenary that supplies electrical power to high-speed railway is investigated. The catenary is a slender structure composed of repeating spans. Each span is in turn composed of the contact and messenger wires connected by the hangers in regular intervals. A finite element based dynamic model is developed, and numerical simulations are performed to determine the dynamic characteristics of the catenary The influence of the structural parameters on the response characteristics is investigated. The structural parameters considered include tension on the contact and messenger wires, stiffness of the hangers, and the hanger and span spacing. The hanger characteristics are found to be the dominant factors that influence the overall dynamic characteristics of the catenary.
Keywords
Catenary; Contact Wire; Finite Element Model; Wave Propagation; Frequency Response Function; High-speed Railway;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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