Mathematical Problems of Nonlinear Wave Propagation and of Waves in Heterogeneous Media.

Abstract

Results were obtained on the reflection of waves from rough boundaries. Novel features are the calculation of second moments of the scattered field and the relation of the results to those of Twersky. In addition the effective viscosity tensor of a periodic suspension and the effective elasticity tensor of a periodic composite were calculated for all concentrations up to close packing. The acoustoelastic effect has also been analyzere. Various new results on inverse scattering have been obtained in two and three dimensions. Keywords: Nonlinear waves; Heterogeneous media; Reciprocal theorems; and Effective parameters.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1985
Accession Number
ADA167061

Entities

People

  • Joseph B. Keller

Organizations

  • Stanford University

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Acoustic Propagation
  • Acoustic Waves
  • Boundaries
  • Differential Equations
  • Diffraction
  • Elastic Properties
  • Electrical Solitons
  • Equations
  • Formulas (Mathematics)
  • Inverse Scattering
  • Mechanics
  • Naval Architecture
  • Partial Differential Equations
  • Reflection
  • Scattering
  • Wave Equations
  • Wave Propagation

Fields of Study

  • Engineering
  • Physics

Readers

  • Aerosol Science/Aerosol Physics
  • Mechanical Engineering/Mechanics of Materials.
  • Wave Propagation and Nonlinear Chaotic Dynamics.