Structural stability of a light rotating beam under combined loads

B Béri, John Hogan, Gabor Stepan

Research output: Contribution to journalArticle (Academic Journal)peer-review

3 Citations (Scopus)
212 Downloads (Pure)


This paper investigates the structural stability of long boring or milling tools. The tool is modelled by a rotating cantilever beam that is subject to compression and torsion, manifested by semi-tangential torque. The three dimensional mathematical model is based on Euler-Bernoulli beam theory considering a linear three-dimensional problem. We obtain a dimensionless relationship between the relative importance of rotation, compression, and torsion that reveals the stability boundaries of the system.
Original languageEnglish
Pages (from-to)3735-3740
Number of pages6
JournalActa Mechanica
Issue number10
Early online date5 Jul 2017
Publication statusPublished - Oct 2017


  • structural stability
  • Euler-Bernoulli beam theory
  • rotation
  • compression
  • torsion

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