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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F07%3APU67825%21RIV08-GA0-26210___
rdf:type
n13:Vysledek skos:Concept
dcterms:description
Problem of wheelset rolling on rails is commonly solved problem of engineering practice. Only ideal geometry of the wheelset is used in majority of studies to simulate its movement. However, shape irregularities appear as a result of wear and they have a great influence on the movement. In this paper a model is presented which can be used to simulate wheelset movement in the three dimensional space. Shape irregularities are implemented into the model and diverse ways to calculate the contact forces are presented and compared with respect to accuracy of results they provide and their demands on computer equipment. Problematika pohybu železničního dvojkolí po kolejnicích je v inženýrské praxi často řešen. Většinou se používá pouze idealizovaná geometrie dvojkolí. Ve skutečnosti se však na dvojkolí vytvářejí odchylky tvaru jako důsledek opotřebení, které mají značný vliv na pohyb dvojkolí. Tento článek prezentuje model, který lze použít k simulaci pohybuje ve trojrozměrném prostoru. Tvarové odchylky jsou implementovány do tohoto modelu a různé způsoby stanovení kontaktních sil jsou prezentovány a srovnány s ohledem na přesnost výsledků a nároků na počítačové vybavení. Problem of wheelset rolling on rails is commonly solved problem of engineering practice. Only ideal geometry of the wheelset is used in majority of studies to simulate its movement. However, shape irregularities appear as a result of wear and they have a great influence on the movement. In this paper a model is presented which can be used to simulate wheelset movement in the three dimensional space. Shape irregularities are implemented into the model and diverse ways to calculate the contact forces are presented and compared with respect to accuracy of results they provide and their demands on computer equipment.
dcterms:title
Modelling of the Railway Wheelset Movement Considering Real Geometry Modelování pohyb železničního dvojkolí s uvažováním reálné geometrie Modelling of the Railway Wheelset Movement Considering Real Geometry
skos:prefLabel
Modelling of the Railway Wheelset Movement Considering Real Geometry Modelování pohyb železničního dvojkolí s uvažováním reálné geometrie Modelling of the Railway Wheelset Movement Considering Real Geometry
skos:notation
RIV/00216305:26210/07:PU67825!RIV08-GA0-26210___
n5:strany
105-106
n5:aktivita
n12:P
n5:aktivity
P(GA101/06/0914)
n5:dodaniDat
n10:2008
n5:domaciTvurceVysledku
n7:7551371
n5:druhVysledku
n19:D
n5:duvernostUdaju
n6:S
n5:entitaPredkladatele
n17:predkladatel
n5:idSjednocenehoVysledku
434441
n5:idVysledku
RIV/00216305:26210/07:PU67825
n5:jazykVysledku
n16:eng
n5:klicovaSlova
wheel-rail contact, corrugation
n5:klicoveSlovo
n18:corrugation n18:wheel-rail%20contact
n5:kontrolniKodProRIV
[FFA054F7D228]
n5:mistoKonaniAkce
Svratka
n5:mistoVydani
Svratka
n5:nazevZdroje
Engineering Mechanics 2007
n5:obor
n21:JR
n5:pocetDomacichTvurcuVysledku
1
n5:pocetTvurcuVysledku
1
n5:projekt
n11:GA101%2F06%2F0914
n5:rokUplatneniVysledku
n10:2007
n5:tvurceVysledku
Jandora, Radek
n5:typAkce
n15:CST
n5:zahajeniAkce
2007-05-14+02:00
s:numberOfPages
2
n20:hasPublisher
Ústav termomechaniky AV ČR
n3:isbn
978-80-87012-06-2
n14:organizacniJednotka
26210