About: Simulation of fatigue crack propagation under contact loading conditions

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Numerical simulations of pitting arise phenomena on the gear teeth is presented in the article. The presented approach is based on the assumption that pitting (pits) are a result of fatigue crack propagation under complex (rolling, sliding, lubricated) contact loading conditions. The solution approach consisted of numerical simulations of fatigue cracks growth in the FEM framework. Penetration of the fluid lubricant into fatigue (pitting) cracks is simulated using special cavity finite elements, which allow to include so called lubricant closure inside crack. Fatigue (pitting) crack growth predictions are based on the Paris law in conjunction with FEA of fracture criteria. The simulations were carried out under the commercial code ABAQUS CAE FEM programme which allows to develop in-house codes using the Python scripting language and which is the basis of all FEA including the simulation of the contact loading conditions and the crack growth. An acceptable agreement of the numerical and experimental results confirms (not proves) that fatigue crack propagation can present a true damage mechanism of the pitting wear rise. Numerical simulations of pitting arise phenomena on the gear teeth is presented in the article. The presented approach is based on the assumption that pitting (pits) are a result of fatigue crack propagation under complex (rolling, sliding, lubricated) contact loading conditions. The solution approach consisted of numerical simulations of fatigue cracks growth in the FEM framework. Penetration of the fluid lubricant into fatigue (pitting) cracks is simulated using special cavity finite elements, which allow to include so called lubricant closure inside crack. Fatigue (pitting) crack growth predictions are based on the Paris law in conjunction with FEA of fracture criteria. The simulations were carried out under the commercial code ABAQUS CAE FEM programme which allows to develop in-house codes using the Python scripting language and which is the basis of all FEA including the simulation of the contact loading conditions and the crack growth. An acceptable agreement of the numerical and experimental results confirms (not proves) that fatigue crack propagation can present a true damage mechanism of the pitting wear rise. (en)
Title	Simulation of fatigue crack propagation under contact loading conditions Simulation of fatigue crack propagation under contact loading conditions (en)
skos:prefLabel	Simulation of fatigue crack propagation under contact loading conditions Simulation of fatigue crack propagation under contact loading conditions (en)
skos:notation	RIV/68407700:21220/11:00188329!RIV12-GA0-21220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA101/06/1427)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Španiel, Miroslav Jurenka, Josef
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	229437
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/11:00188329
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	FEM simulatuion, piiting, crack propagation, (en)
http://linked.open.../riv/klicoveSlovo	crack propagation FEM simulatuion piiting
http://linked.open...ontrolniKodProRIV	[975AFDFD29DB]
http://linked.open...v/mistoKonaniAkce	Senlis
http://linked.open...i/riv/mistoVydani	Senlis
http://linked.open...i/riv/nazevZdroje	Fatigue Design 2011 Recueil de conférences Conference Proceedings
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Pitting. Propagation of fatigue cracks under periodic contact loading.
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Jurenka, Josef Španiel, Miroslav
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-11-23 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Centre technique des industries mécaniques
https://schema.org/isbn	978-2-85400-946-0
http://localhost/t...ganizacniJednotka	21220

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