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Statements

Subject Item
n2:RIV%2F61989100%3A27230%2F08%3A00018151%21RIV09-MSM-27230___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
The main scope of the paper is to show some possibilities of rolling contact simulations in elastic and elastoplastic domain. Solved cases of rolling/sliding line contact correspond with prepared experiments. Two-dimensional finite element and boundary element analyses were performed for the case of two elastic bodies with Coulombs friction law assumption and results were compared with the known analytical solution. In elastoplastic domain FEM was applied only involving elastic shakedown, plastic shakedown and ratcheting effect. The contact stresses were always derived from previous numerical analysis using augmented Lagrangian method. Then, rolling process was simulated by moving distribution of normal and shear stresses on the exterior surface of the wheel model. The tangential forces were assumed to be proportional to the applied pressure. The Besseling?s multilinear kinematic hardening model, the Chaboche?s nonlinear kinematic hardening model included in Ansys and the nonlinear kinematic hardening The main scope of the paper is to show some possibilities of rolling contact simulations in elastic and elastoplastic domain. Solved cases of rolling/sliding line contact correspond with prepared experiments. Two-dimensional finite element and boundary element analyses were performed for the case of two elastic bodies with Coulombs friction law assumption and results were compared with the known analytical solution. In elastoplastic domain FEM was applied only involving elastic shakedown, plastic shakedown and ratcheting effect. The contact stresses were always derived from previous numerical analysis using augmented Lagrangian method. Then, rolling process was simulated by moving distribution of normal and shear stresses on the exterior surface of the wheel model. The tangential forces were assumed to be proportional to the applied pressure. The Besseling?s multilinear kinematic hardening model, the Chaboche?s nonlinear kinematic hardening model included in Ansys and the nonlinear kinematic hardening Hlavní část článku se věnuje možnosti výpočtů v elastické a elastoplastické oblasti. Řešené případy odvalování (s prokluzem) odpovídají připravovaným experimentům. Dvourozměrná MKP úloha a analýza BEM byla provedena pro případ dvou elastických těles s Coulombovým třením. Výsledky numerického řešení byly porovnány s analystickým řešením.
dcterms:title
Simulace valivého kontaktu - napjatost a deformační stavy On Accuracy of Stresses and Strains in Rolling Contact Simulations On Accuracy of Stresses and Strains in Rolling Contact Simulations
skos:prefLabel
Simulace valivého kontaktu - napjatost a deformační stavy On Accuracy of Stresses and Strains in Rolling Contact Simulations On Accuracy of Stresses and Strains in Rolling Contact Simulations
skos:notation
RIV/61989100:27230/08:00018151!RIV09-MSM-27230___
n3:aktivita
n20:Z
n3:aktivity
Z(MSM6198910027)
n3:dodaniDat
n11:2009
n3:domaciTvurceVysledku
n4:6736084 n4:5194598 n4:5047854 n4:8754748
n3:druhVysledku
n16:D
n3:duvernostUdaju
n5:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
384539
n3:idVysledku
RIV/61989100:27230/08:00018151
n3:jazykVysledku
n15:eng
n3:klicovaSlova
FEM; BEM; rolling contact fatigue; simulations; ratcheting
n3:klicoveSlovo
n8:FEM n8:simulations n8:rolling%20contact%20fatigue n8:ratcheting n8:BEM
n3:kontrolniKodProRIV
[BCC26267C624]
n3:mistoKonaniAkce
Bratislava
n3:mistoVydani
Bratislava
n3:nazevZdroje
Mechanical Engineering 2008
n3:obor
n13:JR
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n11:2008
n3:tvurceVysledku
Halama, Radim Poruba, Zdeněk Fusek, Martin Szweda, Jan
n3:typAkce
n19:EUR
n3:zahajeniAkce
2008-11-13+01:00
n3:zamer
n12:MSM6198910027
s:numberOfPages
12
n6:hasPublisher
University of Technology in Bratislava
n21:isbn
978-80-227-2987-1
n17:organizacniJednotka
27230