Seismic Love waves [Libro electrónico] / by Z. S. Andrianova, A. L. Levshin, V. I. Keilis-Borok, M. G. Neigauz
Por: Andrianova, Z. S [autor/a].
Levshin, A. L [autor/a] | Keilis-Borok, V. I [autor/a] | Neigauz, M. G [autor/a].
Tipo de material:![Libro
en línea](/opac-tmpl/lib/famfamfam/BK.png)
Tipo de ítem | Biblioteca actual | Colección | Signatura | Estado | Fecha de vencimiento | Código de barras |
---|---|---|---|---|---|---|
Libros | Biblioteca Electrónica Recursos en línea (RE) | Acervo General | Recurso digital | ECO400555337219 |
Incluye bibliografía: páginas 89-91
1. The theory of love waves.. 2. Love waves in the earth's crust.. 3. Love waves in the upper mantle.. 4. Love waves and the parameters of the source.. Bibliography
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Among seismic waves generated by widely dilferent types of sources, the waves that are the most interest ing and of the longest duration are usually surface waves (which are also called normal waves, interference and channel waves, natural vibrations of layers, etc. ). These waves are distinguished by their dispersion and reso nance, and are used in many investigations - in the determination of the structure of the medium (the existence of surface layers and waveguides), in the determination of the coordinates and properties of the source (in par ticular its energy and mechanism), in the identification of subterranean exploSions, in the mapping of micro-· seisms, in the tracing of storms, etc. Outlines of the wide literature concerning surface waves can be found in [2, 9, 40J. Surface waves can be classed as Rayleigh or Love waves, depending on their velocity and polarization: the displacements of particles in Rayleigh waves are parallel, and the displacements in Love waves perpendicular, to the vertical plane containing the direction of propagation (some variation from this polarization is possible close to the source or in the presence of horizontal inhomogeneities in the medium). The present work is devoted to the calculation and investigation of Love waves in a vertically layered medium. The method used is based on the spectral theory of linear differential operators. ' This method is much more effective than previously applied methods based on the approximation of the medium by a set of homogeneous layers. eng
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