Simulation of Seismic Waves in Anisotropic Media

Autor:	Igor B. Petrov, I. S. Nikitin, V. Yu. Petrukhin, V. I. Golubev
Rok vydání:	2021
Předmět:	Surface wave Transverse isotropy General Mathematics Linear elasticity Stratification (water) Polygon mesh Mechanics System of linear equations Anisotropy Seismic wave Mathematics
Zdroj:	Doklady Mathematics. 103:146-150
ISSN:	1531-8362 1064-5624
DOI:	10.1134/s1064562421030145
Popis:	The problem of seismic wave propagation in a heterogeneous geological medium is considered. The dynamic behavior of the medium is described by the linear elastic system of equations. The stratification of the medium is taken into account using the vertically transversely isotropic model. The numerical solution is obtained by applying the grid-characteristic method on parallelepipedal meshes. A new approach for the explicit solution of the contact isotropic–anisotropic problem is developed. A computational algorithm for the full-wave simulation of body and surface waves is presented. Its performance is demonstrated as applied to a two-dimensional anisotropic Marmousi-2 model.
Databáze:	OpenAIRE
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