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Mechanical interaction of the rail transport car and joint irregularity

Shpachuk Vladimir, Chuprynin Aleksandr, Suprun Tatiana, Kovalenko Andriy

Zeszyty Naukowe. Transport / Politechnika Śląska

2021

z. 113

173--189

Mechanical models of a transport system “carriage - track” while crossing a joint irregularity are proposed. An investigation was conducted on the peculiarities of static, shock and dynamic interaction between the four-axle car and the track, considering tram wheelsets motion features over joint irregularity. A method to solve the equations of a mathematical model of static, shock and dynamic interaction is developed. Numerical analysis is used to determine deflections of the facing rail under the first sleeper for each phase of motion depending on motion phases, and car load and speed.

Multiple-factor analysis of the dynamic interaction between railroad cars and joint irregularity

Shpachuk V., Chuprynin A., Suprun T., Kovalenko A.

Zeszyty Naukowe. Transport / Politechnika Śląska

2018

z. 99

183--192

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 discrete-continuous 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.