| Abstract: | A dynamic source model is presented, in which a 3-D crack containing a viscous compressible fluid is excited into resonance by an impulsive pressure transient applied over a small area DELTA S of the crack surface. The crack excitation depends critically on two dimensionless parameters called the crack stiffness and viscous damping loss. According to the model, the long-period event and harmonic tremor share the same source but differ in the boundary conditions for fluid flow and in the triggering mechanism setting up the resonance of the source, the former being viewed as the impulse response of the tremor generating system and the later representing the excitation due to more complex forcing functions.-from Author |
| Genre: | Article |
| ProdID: | 70014779 |
| Citation Author: | Chouet, B. |
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| Citation End Page: | 4400 |
| Citation Issue: | B5 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Geophysical Research |
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| Citation Number Of Pages: | 26 |
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| Citation Search Results Text: | Resonance of a fluid-driven crack: radiation properties and implications for the source of long-period events and harmonic tremor.; 1988; Article; Journal; Journal of Geophysical Research; Chouet, B. |
| Citation Start Page: | 4375 |
| Citation Volume: | 93 |
| Citation Year: | 1988 |
| Type: | citation/reference |
| Text: | Resonance of a fluid-driven crack: radiation properties and implications for the source of long-period events and harmonic tremor.; 1988; Article; Journal; Journal of Geophysical Research; Chouet, B. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Fri, 1 Jan 1988 00:00 -0600 |
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