Numerical synthesis of the track alignment and applications. Part II : The simulation of the dynamic behaviour in the railway vehicles

• Autorzy: Dumitriu M.

Identyfikatory

DOI

10.20858/tp.2016.11.

Warianty tytułu

PL

Numeryczna synteza nierówności toru oraz aplikacje. Część II: Symulacja zachowania dynamicznego pojazdów kolejowych

• Języki publikacji: EN

Abstrakty

EN

This paper features a method of synthesizing the track irregularities by which the alignment may be analytically represented by a pseudo-stochastic function, as well as the implementation of such a method in the numerical simulation of the dynamic behaviour of the railway vehicles. The method described in Part I relies on the power spectral density of the track irregularities, as per ORE B 176 and the specifications included in UIC 518 Leaflet regarding the track’s geometric quality. Part II shows the results of the numerical simulations regarding the lateral behaviour of the railway vehicle during the circulation on a tangent track with lateral irregularities, synthesized as in the method herein. These results point out many basic properties of the lateral vibration behaviour of the railway vehicle, a fact that demonstrates the efficiency of the suggested method.

FR

L’article présente une méthode pour la synthèsedes irrégularités de la voie, avec laquelle le dressage peut être représenté analytiquement par une fonction pseudoaléatoire et aussi l’application de cette méthode dans la simulation numérique du comportement dynamique latérale des véhicules ferroviaires. La méthode proposée, décrite dans la Partie I de l’article, este basée sur la densité spectrale de puissance desirrégularités de la voie décrite selon ORE B176 et les spécifications contenues dans la Fiche UIC 518concernant la qualité géométrique de la voie. La PartieII présente les résultats des simulations numériques dule comportement dynamique latéral du véhicule pendant la circulation sur une voie en alignement avec des irrégularités latérales synthétisées en utilisant la méthode présentée. Il met en évidence un certain nombre de propriétés de base du régime de vibrations latérales du véhicule ferroviaires, ce qui démontre l’efficacité de la méthode présentée.

Słowa kluczowe

EN

track alignment; vehicle model; lateral acceleration; railway dynamics; lateral dynamic behaviour

PL

dopasowanie toru; model pojazdu; przyspieszenie poprzeczne; dynamika wagonu kolejowego

• Wydawca: Wydawnictwo Politechniki Śląskiej
• Czasopismo: Transport Problems
• Rocznik: 2016
• Tom: T. 11, z. 2
• Strony: 5--16
• Opis fizyczny: Bibliogr. 25 poz.

Twórcy

autor

Dumitriu M.

• University Politehnica of Bucharest 313 Splaiul Independentei, 060042, Bucharest, Romania

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.