Numerical Modeling of Acoustic Processes in Gradient Media Using the Grid-Characteristic Method.

Autor:	Petrov, I. B., Golubev, V. I., Ankipovich, Yu. S., Favorskaya, A. V.
Předmět:	ACOUSTIC models THEORY of wave motion WAVE equation NUMERICAL integration SOUND waves ACOUSTIC wave propagation SEISMIC waves
Zdroj:	Doklady Mathematics; Dec2022, Vol. 106 Issue 3, p449-453, 5p
Abstrakt:	In this paper, we consider the problem of seismic wave propagation in gradient geological media. Their dynamic behavior is described using the acoustic approximation and the numerical integration of the initial-boundary value problem for the acoustic wave equation with spatially variable mechanical parameters. A grid-characteristic numerical method is developed that explicitly takes into account the gradient of the medium. The numerical solutions are compared with results obtained using a piecewise constant model of the medium in the one-dimensional case. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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