Spatial-temporal high-order rotated-staggered-grid finite-difference scheme of elastic wave equations for TTI medium

DOI10.1016/j.jcp.2023.112684MaRDI QIDQ6187661

Bingshou He, Jia-Rong Xie

Publication date: 31 January 2024

Published in: Journal of Computational Physics (Search for Journal in Brave)

zbMATH Keywords

elastic wave equationstemporal dispersionrotated-staggered-gridtemporal high-order FD schemeTTI medium

Mathematics Subject Classification ID

Numerical approximation and computational geometry (primarily algorithms) (65Dxx) Basic methods for problems in optics and electromagnetic theory (78Mxx) Numerical methods for partial differential equations, initial value and time-dependent initial-boundary value problems (65Mxx)

Cites Work

• Finite difference time domain dispersion reduction schemes
• A new time-space domain high-order finite-difference method for the acoustic wave equation
• A perfectly matched layer for the absorption of electromagnetic waves
• An improved rotated staggered-grid finite-difference method with fourth-order temporal accuracy for elastic-wave modeling in anisotropic media
• Taylor series based finite difference approximations of higher-degree derivatives
• A Comprehensive New Methodology for Formulating FDTD Schemes With Controlled Order of Accuracy and Dispersion
• Systems of conservation laws
• Modeling the propagation of elastic waves using a modified finite difference grid.

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