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Forma, Vol. 20 (No. 1), pp. 39-46, 2005
Letter

Experiments for Stick-Slip Motions in One-dimensional Mass-Spring Systems

Takayuki Higuchi, Hideaki Kurihara and Osamu Hirayama*

Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology, Koganei-shi, Tokyo 184-8588, Japan
*E-mail address: hrym@cc.tuat.ac.jp

(Received July 16, 2005; Accepted September 10, 2005)

Keywords: BK Model, Stick-Slip Motion, Size-Frequency Relationship, Power Law

Abstract. Experiments based on the BK model for stick-slip motions in one-dimensional mass-spring systems were conducted using ten blocks. The movements of each block at every 1/30 second were recorded by video pictures and the state of each block at every time step is classified into stick or slip. It was found that the power law holds between the size of slip event and its frequency. It was also clarified that the ratio of coupling spring constant to the driving spring constant larger, the smaller the power becomes.


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