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Numerical prediction of damping in structures with frictional joints
Scania Commercial Vehicles AB.
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.).ORCID iD: 0000-0001-8068-2360
2006 (English)In: International Journal of Vehicle Noise and Vibration, ISSN 1479-1471, Vol. 2, no 2, 125-142 p.Article in journal (Refereed) Published
Abstract [en]

In many vehicle and space structures, friction in bolted joints is the primary source of energy dissipation during vibrations. Several simplified finite element models have proven their capacity to describe the energy dissipation owing to micro-slip in joints. However, these simplified models require extensive physical testing in order to extract model parameters. This paper proposes a methodology based on non-linear FE-analysis of the loading on joints for numerical evaluation of the energy dissipation due to micro-slip. The methodology is extended to allow for computation of modal damping in vibrating structures. Presented applications include studies of an isolated joint as well as a more complex structure subjected to dynamic excitation.

Place, publisher, year, edition, pages
2006. Vol. 2, no 2, 125-142 p.
Keyword [en]
heavy vehicles, damping prediction, bolted joints, micro-slip modelling, friction, energy dissipation, vehicle vibration, FEA, finite element analysis, modal damping, vibrating structures
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-24565DOI: 10.1504/IJVNV.2006.011050OAI: oai:DiVA.org:kth-24565DiVA: diva2:351975
Note
QC 20100917Available from: 2010-09-17 Created: 2010-09-17 Last updated: 2010-09-17Bibliographically approved
In thesis
1. Modelling of frictional joints: from dissipative mechanisms to structural response
Open this publication in new window or tab >>Modelling of frictional joints: from dissipative mechanisms to structural response
2008 (English)Doctoral thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2008. 18 p.
Series
Trita-HFL. Report / Royal Institute of Technology, Solid mechanics, ISSN 1654-1472 ; 0470
Keyword
Frictional joint, Bolted joint, Finite element method, Non-linear vibration, Non-local friction, Contact mechanics, Dynamics
National Category
Mechanical Engineering
Identifiers
urn:nbn:se:kth:diva-9625 (URN)
Public defence
2008-12-05, Sal K2, KTH, Teknikringen 28, Stockholm, 10:15 (English)
Opponent
Supervisors
Note

QC 20100917

Available from: 2008-11-21 Created: 2008-11-21 Last updated: 2013-01-14Bibliographically approved

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  • apa
  • harvard1
  • ieee
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  • vancouver
  • Other style
More styles
Language
  • de-DE
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  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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