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Published in:
2015 | OriginalPaper | Chapter
Finite-Difference Simulation of Wave Propagation Through Prestressed Elastic Media
Authors : Egor Lys, Evgeniy Romenski, Vladimir Tcheverda, Mikhail Epov
Published in: Finite Difference Methods,Theory and Applications
Publisher: Springer International Publishing
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Abstract
The new computational model for the seismic wave propagation is proposed, the governing equations of which are written in terms of velocities, stress tensor and small rotation of element of the medium. The properties of wavefields in the prestressed medium are studied and some examples showing anisotropy of prestressed state are discussed. The staggered grid numerical method is developed for solving the governing equations of the model and numerical examples are presented.