A full wave solution for propagation in multilayered viscoelastic media with application to Gaussian beam reflection at fluid–solid interfaces

DOI10.1121/1.392050zbMath0574.73066OpenAlexW1982262712MaRDI QIDQ3692997

Henrik Schmidt, Finn B. Jensen

Publication date: 1985

Published in: The Journal of the Acoustical Society of America (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1121/1.392050

zbMATH Keywords

numerical stabilitycomputational efficiencyhorizontally stratified viscoelastic mediaexact numerical solutionsnumerical codechoosing proper local coordinate system within each layerdirect global solution techniquefield generated by a single sourcefluid-solid interface near the Rayleigh anglefull wave solutiongenerated by a vertical source arraynarrow ultrasonic beamsone order of magnitude fasterreflection of Gaussian beamsreflectivity patternspatial distribution of the acoustic fieldsuperposition of two fieldsThomson-Haskell solution technique

Mathematics Subject Classification ID

Numerical methods for integral equations (65R20) Fluid-solid interactions (including aero- and hydro-elasticity, porosity, etc.) (74F10) Numerical methods for trigonometric approximation and interpolation (65T40) Waves in solid mechanics (74J99) Numerical and other methods in solid mechanics (74S99) Materials of strain-rate type and history type, other materials with memory (including elastic materials with viscous damping, various viscoelastic materials) (74D99)

Related Items

Another interpretation and derivation of one-way wave theories ⋮ Approximate solutions of acoustic 3D integral equation and their application to seismic modeling and full-waveform inversion ⋮ Stiffness matrix method for modelling wave propagation in arbitrary multilayers ⋮ Inhomogeneous waves in viscoelastic media ⋮ HYBRID ALGORITHM OF THE DEPTH SOLVER FOR WAVENUMBER INTEGRATION TECHNIQUE IN AN OCEAN WAVEGUIDE WITH A POROUS BOTTOM ⋮ Elastic wave scattering by an inclusion in a multilayered medium submerged in fluid. I: Plane strain model ⋮ Wave propagation in poro-acoustic media ⋮ A parallelization of the wavenumber integration acoustic modelling package OASES ⋮ The decoupling of seismic waves