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Supersonic Rupture Pulses in an Earthquake Model

Published online by Cambridge University Press:  03 September 2012

Michael Leibig
Michael Leibig*
Affiliation:
The Institute for Theoretical Physics, The University of California Santa Barbara, Santa Barbara, CA 93019
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Extract

In this work, I study the supersonicrupturepulse in a two dimensionalelastic sheet. There is a friction force acting at the edge of the sheet which is composed of a term that dependson the local displacement at the edge and a viscous dissipation term. I consider the case where the sheet is driven forward by a force acting in the bulk, but is held back by the interfacial friction. I present the equations which describe such a system and then look for solutions which describe a slip pulse propagatingthough a region which is uniformly stressed. Such a pulse will allow the entire interface to move forward and partially relieve the stress. I present the integral equation that such a pulse solution must satisfy, and then discuss the behavior observed in numericalsolutions of this equation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 367: Symposium P – Fractal Aspects of Materials , 1994 , 519
Copyright
Copyright © Materials Research Society 1995

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References

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