Optimization of contact stress distribution in interference fit

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Assembly of shaft and hub by an interference fit is a classical connection with known advantages and disadvantages.The advantage being the level of possible torque transfer while the disadvantage is a possible fretting fatiguefailure at the points of stress concentration. The pressure distribution in the contact is the source responsible for the fatigue failure. The distribution can be improved by design modification done directly on the contacting surfaceswhich however requires a very high production precision. Alternatively it is shown, how shape optimization of thehub side can improve the pressure distribution significantly.
Original languageEnglish
Title of host publicationProceedings of WCSMO-11
Number of pages5
Publication date2015
Publication statusPublished - 2015
Event11th World Congress of Structural and Multidisciplinary Optimization - University of Sydney, Sydney , Australia
Duration: 7 Jun 201512 Jun 2015


Conference11th World Congress of Structural and Multidisciplinary Optimization
LocationUniversity of Sydney
Internet address


  • Interference fit
  • Contact
  • Optimization
  • Stress concentration

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