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- W3187587503 abstract "In geophysics, wave propagation in elastic media is a crucial subject. In this context, seismology has made significant progress as a result of numerous advances, among these stands out the advancement of numerical methods such as the finite-difference one. Usually, seismic wave propagation in elastic media results in complex systems of partial differential equations, whose solutions cannot be obtained in an analytical way, especially when dealing with heterogeneous media. In consequence, there exists a necessity to implement numerical methods. However, the available information about the construction of a numerical solution of these equations is not as explicit as it should be. Our main goal is to provide pedagogical instructions for undergraduate students who want to improve their computational skills as well as their knowledge of the subject. The last through current teaching methods involving challenging problems and transversal tools. Particularly, we provide a brief description of the equations and a detailed description of the numerical solution of the seismic wave equation. Furthermore, we model two different seismic explosive sources in both homogeneous and heterogeneous media as an illustrative example. In the results, we include velocity maps showing wave propagation in the x-z plane, and the z-velocity as a function of time measured in a series of detectors distributed in the numerical domain." @default.
- W3187587503 created "2021-08-16" @default.
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- W3187587503 date "2021-08-19" @default.
- W3187587503 modified "2023-10-16" @default.
- W3187587503 title "First steps on modelling wave propagation in isotropic-heterogeneous media: numerical simulation of P–SV waves" @default.
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- W3187587503 doi "https://doi.org/10.1088/1361-6404/ac18cf" @default.
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