Grid-characteristic method on joint structured regular and curved grids for modeling coupled elastic and acoustic wave phenomena in objects of complex shape

DOI10.1134/S1995080220040083zbMath1451.65134OpenAlexW3045814279MaRDI QIDQ2206648

Yanyan Li

Publication date: 28 October 2020

Published in: Lobachevskii Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s1995080220040083

zbMATH Keywords

numerical simulationacoustic wave equationelastic wave equationhexahedral gridscurvilinear meshesearthquake resistance

Mathematics Subject Classification ID

Seismology (including tsunami modeling), earthquakes (86A15) Hydro- and aero-acoustics (76Q05) Linear waves in solid mechanics (74J05) Numerical aspects of the method of characteristics for initial value and initial-boundary value problems involving PDEs (65M25) Mathematical modeling or simulation for problems pertaining to fluid mechanics (76-10)

Related Items (7)

Computation of seismic resistance of an ice island by the grid-characteristic method on combined grids ⋮ Simulation of seismic processes in geological exploration of Arctic shelf ⋮ Investigation of the elastic waves anisotropy using the grid-characteristic computational method and explicit treatment of cracks ⋮ Modification of the grid-characteristic method on Chimera meshes for 3D problems of railway non-destructive testing ⋮ High-order grid-characteristic method for systems of hyperbolic equations with piecewise constant coefficients ⋮ Grid convergence analysis of grid-characteristic method on Chimera meshes in ultrasonic nondestructive testing of railroad rail ⋮ Combination of grid-characteristic method on regular computational meshes with discontinuous Galerkin method for simulation of elastic wave propagation

Cites Work

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• Numerical simulation of seismic activity by the grid-characteristic method
• The construction of difference schemes for hyperbolic equations based on characteristic relations
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