Role of friction-induced torque in stick-slip motion

Details Role of friction-induced torque in stick-slip motion Role of friction-induced torque in stick-slip motion

2010-06-11

arxiv.org/abs/1006.2288v2

Europhysics Letters (EPL) 92 (2010) 54001

Physics

Classical Physics

6 pages, 5 figures

Scientific paper

10.1209/0295-5075/92/54001

We present a minimal quasistatic 1D model describing the kinematics of the transition from static friction to stick-slip motion of a linear elastic block on a rigid plane. We show how the kinematics of both the precursors to frictional sliding and the periodic stick-slip motion are controlled by the amount of friction-induced torque at the interface. Our model provides a general framework to understand and relate a series of recent experimental observations, in particular the nucleation location of micro-slip instabilities and the build up of an asymmetric field of real contact area.

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