Inversion for weak triclinic anisotropy from acoustic axes

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985530%3A_____%2F13%3A00397121" target="_blank" >RIV/67985530:_____/13:00397121 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.wavemoti.2012.11.003" target="_blank" >http://dx.doi.org/10.1016/j.wavemoti.2012.11.003</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.wavemoti.2012.11.003" target="_blank" >10.1016/j.wavemoti.2012.11.003</a>

Result language
angličtina
Original language name
Inversion for weak triclinic anisotropy from acoustic axes
Original language description
Acoustic axes are directions in anisotropic elastic media, in which phase velocities of two or three plane waves (P, S1 or S2 waves) coincide. Acoustic axes are important, because they can cause singularities in the field of polarization vectors and anomalies in the shape of the slowness surface. The maximum number of acoustic axes in triclinic anisotropy is 16, and their directions depend on anisotropy parameters in a complicate way. Under weak anisotropy approximation this dependence simplifies and the directions of acoustic axes can be used for the inversion for anisotropy parameters. The maximum acoustic axes under weak anisotropy is 16, the minimum number of acoustic axes is zero. In the inversion, we can retrieve 13 combinations of anisotropy parameters provided we use directions of 7 acoustic axes at least. Under weak anisotropy approximation, the directions of acoustic axes are insensitive to strength of anisotropy; hence we cannot invert for absolute values of weak anisotropy
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DC - Seismology, volcanology and Earth structure
OECD FORD branch
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Project
<a href="/en/project/IAA300120801" target="_blank" >IAA300120801: Seismic waves and sources in anisotropic media II</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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