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Statements

Subject Item
n2:RIV%2F68407700%3A21220%2F14%3A00213937%21RIV15-MSM-21220___
rdf:type
n8:Vysledek skos:Concept
rdfs:seeAlso
http://80.www.sciencedirect.com.dialog.cvut.cz/science/article/pii/S0965997813001166
dcterms:description
An advance parametric FEA model for simulation of pitting arise phenomena on the gear teeth is presented in this article. The assumption of the developed computational approach was that pitting (pits on the contact surfaces) is a result of fatigue crack propagation under (rolling) contact loading conditions. Developed crack growth laws (based on the Paris law) allow to perform simulations of pitting crack growth with respect to the non-proportional and non-linear nature of loading of pitting crack tip, which result from specific loading condition. Specific crack tip loading and pitting crack growth was evaluated using the J-integral criterion of fracture mechanics. Advance model of penetration of the fluid lubricant into fatigue (pitting) cracks was designed using special hydrostatic fluid finite elements, which allow to include the closure of pressured lubricant between fracture surfaces during the simulation of gearing meshing. A simplified distribution of residual stresses in the surface layers of teeth is included as well. 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 user subroutines. Mentioned programme codes and user subroutines are the basis of all FEA including the simulation of the specific loading conditions of pitting crack tip and the incremental pitting crack growth. Wide sensitivity study of the influence of selected model parameters was carried out. Achieved results – final pitting crack shapes and time needed for their formation were compared with experimental results. An advance parametric FEA model for simulation of pitting arise phenomena on the gear teeth is presented in this article. The assumption of the developed computational approach was that pitting (pits on the contact surfaces) is a result of fatigue crack propagation under (rolling) contact loading conditions. Developed crack growth laws (based on the Paris law) allow to perform simulations of pitting crack growth with respect to the non-proportional and non-linear nature of loading of pitting crack tip, which result from specific loading condition. Specific crack tip loading and pitting crack growth was evaluated using the J-integral criterion of fracture mechanics. Advance model of penetration of the fluid lubricant into fatigue (pitting) cracks was designed using special hydrostatic fluid finite elements, which allow to include the closure of pressured lubricant between fracture surfaces during the simulation of gearing meshing. A simplified distribution of residual stresses in the surface layers of teeth is included as well. 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 user subroutines. Mentioned programme codes and user subroutines are the basis of all FEA including the simulation of the specific loading conditions of pitting crack tip and the incremental pitting crack growth. Wide sensitivity study of the influence of selected model parameters was carried out. Achieved results – final pitting crack shapes and time needed for their formation were compared with experimental results.
dcterms:title
Advanced FE model for simulation of pitting crack growth Advanced FE model for simulation of pitting crack growth
skos:prefLabel
Advanced FE model for simulation of pitting crack growth Advanced FE model for simulation of pitting crack growth
skos:notation
RIV/68407700:21220/14:00213937!RIV15-MSM-21220___
n3:aktivita
n10:I
n3:aktivity
I
n3:cisloPeriodika
7
n3:dodaniDat
n14:2015
n3:domaciTvurceVysledku
n5:6509150
n3:druhVysledku
n12:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
1727
n3:idVysledku
RIV/68407700:21220/14:00213937
n3:jazykVysledku
n19:eng
n3:klicovaSlova
Oil lubrication; Residual stress simulation; Gears; Pitting; FEM simulation; Crack propagation
n3:klicoveSlovo
n4:Crack%20propagation n4:Gears n4:Pitting n4:FEM%20simulation n4:Oil%20lubrication n4:Residual%20stress%20simulation
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[C587273118C4]
n3:nazevZdroje
Advances in Engineering Software
n3:obor
n11:JL
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n14:2014
n3:svazekPeriodika
72
n3:tvurceVysledku
Jurenka, Josef Španiel, Miroslav
n3:wos
000335707200023
s:issn
0965-9978
s:numberOfPages
8
n18:doi
10.1016/j.advengsoft.2013.06.018
n17:organizacniJednotka
21220