On gear tooth stiffness evaluation

Niels Leergaard Pedersen, Martin Felix Jørgensen

Research output: Contribution to journalJournal articleResearchpeer-review


The estimation of gear stiffness is important for determining the load distribution between the gear teeth when two sets of teeth are in contact. Two factors have a major influence on the stiffness; firstly the
boundary condition through the gear rim size included in the stiffness calculation and secondly the size of the contact. In the FE calculation the true gear tooth root profile is applied. The meshing stiffnesses of gears are highly non-linear, it is however found that the stiffness of an individual tooth can be expressed in a linear form assuming that the contact width is constant. © 2014 Elsevier Ltd. All rights reserved.
Original languageEnglish
JournalComputers & Structures
Pages (from-to)109-117
Publication statusPublished - 2014


  • Gears
  • Stiffness
  • Spur
  • External/internal
  • FE

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