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Modélisation numérique du couplage de la dynamique d’essieu avec le contact roue-rail

Autor: Qazi, Aquib

The wheel-rail contact constitutes the link between the rolling stock and the track dynamics. The variety of different applications within the railway network necessitates different levels of modelling. For simulations carried out over railway tracks

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______166::757fa0d42225b31e4afddad0f96b8278
https://theses.hal.science/tel-03687144

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A semi-analytical numerical method for modelling the normal wheel–rail contact

Autor: Qazi, Aquib, Yin, Honoré, Sebès, Michel, Chollet, Hugues, Pozzolini, Cédric

Publikováno v: Vehicle System Dynamics
Vehicle System Dynamics, Taylor & Francis, 2020, pp.1-19. ⟨10.1080/00423114.2020.1854319⟩

International audience; A new semi-analytical boundary element method is proposed for determining the wheel-rail contact zone and the normal stress distribution within it. The potential contact area is discretised using strip elements, employing an i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::cbf534d61f591f943ddb312afe1edc5c
https://hal.archives-ouvertes.fr/hal-03293850/file/MIM1D_article_VSDtemplate_v3_AOM.pdf

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Akademický článek

A semi-analytical numerical method for modelling the normal wheel–rail contact.

Autor: Qazi, Aquib, Yin, Honoré, Sebès, Michel, Chollet, Hugues, Pozzolini, Cédric

Publikováno v: Vehicle System Dynamics; Apr2022, Vol. 60 Issue 4, p1322-1340, 19p

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An extension of FASTSIM for steady state non-Hertzian contact

Autor: Aquib Qazi, Michel Sebès, Hugues Chollet, Honoré Yin, Cédric Pozzolini

Publikováno v: HAL
The 27th IAVSD Symposium on Dynamics of Vehicles on Roads and Tracks
The 27th IAVSD Symposium on Dynamics of Vehicles on Roads and Tracks, Aug 2021, Saint-Petersburg, Russia

International audience; The FASTSIM algorithm is widely used in multi-body simulation (MBS) software packages for the evaluation of the tangentialwheel-rail contact forces in a steady state. As the algorithm is restricted to Hertzian contact patches,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::862e6189c20adfea24f8d4f47969d81c
https://hal.archives-ouvertes.fr/hal-03293617

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A new dynamic vehicle/track interaction method with a finite element track model

Autor: Demeng Fan, Michel Sebès, Aquib Qazi, Emmanuel Bourgeois, Hugues Chollet, Cédric Pozzolini

Publikováno v: HAL

With the increase in hardware capabilities, the simulation of dynamic vehicle/track interaction (VTI) with a flexible track model especially a finite element (FE) based track model is possible. This may be handled via a co-simulation between multibod

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::bfd0f3c3d1170944d013a9d8dadafc26
https://hal.archives-ouvertes.fr/hal-03321862

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