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|Title: ||A Frequency-Dependent Q Model Based Upon Transient Rheological Properties of Heterogeneous Materials|
|Authors: ||Ivins, Erik R.|
Sammis, Charles G.
|Issue Date: ||May-1993 |
|Citation: ||American Geophysical Union, General Geophysics/Annual Spring Meeting|
|Abstract: ||Seismic attenuation at low frequency has previously been modeled using two approaches: (1) Examination of all possible microstructural dislocation mechanisms that involve irreversible thermodynamics [Minster and Anderson 1981, P. Trans. R.S. Lond, A, 299]; (2) Parameterized superposition of one-dimensional analogue springs and dashpots, usually consisting of a three-parameter standard linear solid arrangement [Liu et al. 1976, G.J.R.A.S., 47]. The first approach is appealing in that a strong connection is made between micromechanical dissipation and short-term creep that can be studied in the laboratory. The second approach has the advantage of providing a robust 'fit' to actual seismic observations, but has little intrinsic physical content...|
|Appears in Collections:||JPL TRS 1992+|
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