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RESEARCH PAPERS

High-Speed Vehicle Models Based on a New Concept of Vehicle/Structure Interaction Component: Part II—Algorithmic Treatment and Results for Multispan Guideways

[+] Author and Article Information
L. Vu-Quoc

Aerospace Engineering, Mechanics, and Engineering Science, University of Florida, Gainsville, FL 32611

M. Olsson

Vehicle Systems Division, Asea Brown Boveri (ABB) Traction, Västerås, Sweden

J. Dyn. Sys., Meas., Control 115(1), 148-155 (Mar 01, 1993) (8 pages) doi:10.1115/1.2897390 History: Received June 07, 1990; Revised January 23, 1992; Online March 17, 2008

Abstract

The predictor structural equations for the vehicle models developed in Part I are derived here for use with a new class of predictor/corrector algorithms to solve the mildly nonlinear equations of motion of the vehicle/structure models. Having all accelerations of the vehicle component eliminated, and with the aid of further simplifying approximations, the predictor structural equations are linear with respect to the structural degrees of freedom. In the algorithms, the predictor structural equations are different from the corrector structural equations; the proposed algorithmic treatment has been proved (elsewhere) to yield accurate energy balance. Results obtained for both continuous and discontinuous guideways are discussed, and optimal guideway configurations suggested. Effects of high-speed vehicle braking on a flexible guideway are analyzed using the vehicle models and the proposed algorithmic treatment. The influence of the guideway flexibility on the vehicle speed, an important feature of the present formulation, is clearly demonstrated.

Copyright © 1993 by The American Society of Mechanical Engineers
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