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Simulation of contact, friction and wear in gears: a finite element approach
Linköping University, Department of Mechanical Engineering, Engineering Mechanics. Linköping University, The Institute of Technology.
2000 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

In this thesis, resent methods in computational contact mechanics is brought into the process of gear design. The finite element method is used to model two elastic bodies in contact. By defining a contact interface between these two bodies, constitutive laws, regarding normal contact, friction and wear, are included. Then a system of non-smooth equations is obtained which is solved by a modified Newton method. The method developed in this work produces very accurate results, which is important in gear technology where the impact of small geometrical features of the tooth profile affects the overall performance of a loaded gear. Two different gear problems are treated in which gear noise is related to wear.

In Paper I, a wear problem in a planetary gear is investigated. In a planetary range gear of a heavy truck, a wear damage develops in a particular operating situation. A whining noise is a consequence of this damage. Two different hypothesis of the cause of this damage were tested by the method developed and then some important conclusions could be drawn.

In Paper II, the method is extended so that large rotations can be treated. The method then furnishes an accurate tool for computing the transmission error, which is a measure that is related to gear noise. It is also investigated how the transmission error is affected by wear.

Place, publisher, year, edition, pages
Linköping: Linköpings universitet , 2000. , p. 22
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 846
Keywords [en]
Gears, Gear noise, Contact mechanics, Simulation, Friction, Wear, Transmission error
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-145916Local ID: LiU-TEK-LIC-2000:42ISBN: 9172198249 (print)OAI: oai:DiVA.org:liu-145916DiVA, id: diva2:1200176
Available from: 2018-04-23 Created: 2018-04-23 Last updated: 2018-11-20Bibliographically approved

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Lundvall, Olle

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf