Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008geoji.172..572b&link_type=abstract
Geophysical Journal International, Volume 172, Issue 2, pp. 572-580.
Astronomy and Astrophysics
Astronomy
3
Fault Zone Rheology, Theoretical Seismology, Wave Scattering And Diffraction, Wave Propagation
Scientific paper
Non-linear elastic response of rocks has been widely observed in laboratory, but very few seismic studies are reported in the literature, even though it is the most natural environment where this feature could be observed. Analytic solutions to the non-linear wave propagation phenomena are not readily available, and there is a need to use approximated techniques. It is clear that when a seismic wave propagates through a homogeneous non-linear elastic media, it will be perturbed by the non-linearity. This perturbation can be treated as a source of scattering, spreading the energy of the primary wave in space and time, contributing to the seismic coda. This is in some sense similar to the effect of heterogeneities. The properties of the coda due to the non-linearity depend on the amount of non-linearity and the seismic moment. Using a perturbation approach we calculate the amplitude of the scattered waves, and show that it can describe reasonably well the main features of real seismic codas.
Bataille Klaus
Calisto Ignacia
No associations
LandOfFree
Seismic coda due to non-linear elasticity does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Seismic coda due to non-linear elasticity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Seismic coda due to non-linear elasticity will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1319807