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Using TCL/TK Designs the Intefaces of Pantograph-Catenary Coupling System and Fatigue Analysis

Author: PengZaiHeng
Tutor: BiJiHong
School: Tianjin University
Course: Structural Engineering
Keywords: theover-headcatenary TCL/TK secondary-development fatigue
CLC: U225
Type: Master's thesis
Year: 2010
Downloads: 85
Quote: 7
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Abstract

Based on the ANSYS software environment, the article discusses the preparation of principles and processes by using TCL/TK to establish interfaces, andthrough the simple chain and elastic chain hanging mode analysis of the main Pantograph-Catenary parameters on the contact line bow of life.The Interface Program was achieved of parametric modeling on the catenary system and concentrated a variety of features (static form-finding, dynamic simulation and fatigue analysis) into a main interface. By clicking on the different buttons, it’s accomplished of a different analysis functions into a different analysis process, and also the change of the module parameters through the main interface.For the flexible suspension catenary system, using TCL/TK language program in the preparation of the main interface includes the following modules: the establishment of the catenary system model parameters required for input; static form-finding and post-processing; dynamic simulation and post-processing; fatigue analysis and post-processing.For fatigue analysis module, the paper discusses the finite life design method of technical principles in detail, including the c onfirming S-Ncurve of component, the use of the Goodman straight-line and the disposing of the variation stress caused by the abrasion of the contact line. The article also lists basic steps and procedures framework map.By means of the contact wire fatigue simulation based on the simple chain and elastic chain hanging, this article analysis of some factors, such as:the train speed, the contact stiffness, the mass of the head of pantograph, dry friction, span, the force of the messenger wire, the force of the contact line and the relaxation which have an influence on the life of the suspension of two different kinds of chain and compares the life of the contact line when the pantograph was modeled by ternary bow and by multielement bow; Finally, in the same parameters, the article also analysis and compares of the contact line life bsed on the simple chain and elastic chain hanging, and gets some useful conclusions.

Using TCL/TK Designs the Intefaces of Pantograph-Catenary Coupling System and Fatigue Analysis

Abstract

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