A staggered-grid finite-difference scheme optimized in the time-space domain for modeling scalar-wave propagation in geophysical problems

DOI10.1016/j.jcp.2014.07.044zbMath1349.74366OpenAlexW2034246548WikidataQ60134629 ScholiaQ60134629MaRDI QIDQ349569

Lianjie Huang, Sirui Tan

Publication date: 5 December 2016

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

Full work available at URL: https://doi.org/10.1016/j.jcp.2014.07.044

zbMATH Keywords

wave propagationnumerical modelingdispersion errorfinite-difference schemeoptimized schemefinite-difference stencilscalar wave

Mathematics Subject Classification ID

Shocks and related discontinuities in solid mechanics (74J40) Seismology (including tsunami modeling), earthquakes (86A15) Finite difference methods for initial value and initial-boundary value problems involving PDEs (65M06) Finite difference methods applied to problems in solid mechanics (74S20) Computational methods for problems pertaining to geophysics (86-08)

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Applying an advanced temporal and spatial high-order finite-difference stencil to 3D seismic wave modeling ⋮ Time-space domain scalar wave modeling by a novel hybrid staggered-grid finite-difference method with high temporal and spatial accuracies ⋮ Third-order symplectic integration method with inverse time dispersion transform for long-term simulation ⋮ Optimal staggered-grid finite-difference schemes by combining Taylor-series expansion and sampling approximation for wave equation modeling ⋮ A convolutional dispersion relation preserving scheme for the acoustic wave equation ⋮ An improved rotated staggered-grid finite-difference method with fourth-order temporal accuracy for elastic-wave modeling in anisotropic media ⋮ A highly efficient time-space-domain optimized method with Lax-Wendroff type time discretization for the scalar wave equation ⋮ Source-IndependentAmplitude-SemblanceFull-Waveform InversionusingaHybridTime-andFrequency-Domain Approach ⋮ A simplified staggered-grid finite-difference scheme and its linear solution for the first-order acoustic wave-equation modeling

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