Vibro-impact responses of capsule system with various friction models

Yang Liu, Ekaterina Pavlovskaia, David Hendry, Marian Wiercigroch

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

The dynamics of the vibro-impact system which consists of a capsule main body interacting with a harmonically driven internal mass in various environments is studied in this paper. The environmental resistance is described by four different friction models which take into account Coulomb friction, viscous damping, Stribeck effect, pre-sliding, and frictional memory. Our investigations are mainly focussed on the qualitative changes in the capsule dynamics. The bifurcation analysis is conducted by monitoring the mass velocity and the average progression of the capsule per period of excitation under variation of the mass ratio. By observing the progression of the capsule, we find that directional control of the system can be achieved either by varying its mass ratio or by switching between co-existing attractors.
Original languageEnglish
Pages (from-to)39-54
Number of pages16
JournalInternational Journal of Mechanical Sciences
Volume72
Early online date16 Apr 2013
DOIs
Publication statusPublished - Jul 2013

Fingerprint

capsules
Capsules
friction
Friction
progressions
mass ratios
Damping
directional control
Data storage equipment
viscous damping
Monitoring
sliding
excitation

Keywords

  • capsule
  • vibro-impact
  • non-smooth
  • stick-slip
  • friction

Cite this

Vibro-impact responses of capsule system with various friction models. / Liu, Yang; Pavlovskaia, Ekaterina; Hendry, David; Wiercigroch, Marian.

In: International Journal of Mechanical Sciences, Vol. 72, 07.2013, p. 39-54.

Research output: Contribution to journalArticle

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