MULTIPLE-FACTOR ANALYSIS OF THE DYNAMIC INTERACTION BETWEEN RAILROAD CARS AND JOINT IRREGULARITY
Journal: Scientific Journal of Silesian University of Technology. Series Transport (Vol.99, No. 99)Publication Date: 2018-06-01
Authors : Vladimir SHPACHUK Aleksandr CHUPRYNIN Tatiana SUPRUN Andriy KOVALENKO;
Page : 183-192
Keywords : railway rolling stock; four-axle car; track; ballast; joint irregularity; trailing rail; facing rail;
Abstract
Mechanical models of “railroad car-track” transport system for each phase of motion are developed. Particularities of dynamic interaction between the four-axle car and the track are studied by considering four phases of motion over joint irregularity. Methods for solving differential equations of the discretecontinuous system fluctuation are developed. Numerical analysis is used to determine deflections of the trailing rail under the first sleeper for each phase of motion depending on motion phases, and car load and speed.
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