Stick-Slip Motion and Phase Transition in a Block-Spring System

Abstract

We study numerically stick slip motions in a model of blocks and springs being pulled slowly. The sliding friction is assumed to change dynamically with a state variable. The transition from steady sliding to stick-slip is subcritical in a single block and spring system. However, we find that the transition is continuous in a long chain of blocks and springs. The size distribution of stick-slip motions exhibits a power law at the critical point.

8 figures

References in corpus (3)

• Dynamics of Earthquake Faults
• Time-Resolved Studies of Stick-Slip Friction in Sheared Granular Layers
• Self-Organized Criticality with Complex Scaling Exponents in the Train Model

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