Problems in Nonlinear Acoustics: Scattering of Sound by Sound, Parametric Receiving Arrays, Nonlinear Effects in Asymmetric Sound Beams and Pulsed Finite Amplitude Sound Beams

Abstract

Four projects are discussed in this annual summary report, all of which involve basic research in nonlinear acoustics. (1) Scattering of Sound by Sound, a theoretical study of two nonconlinear Gaussian beams which interact to produce sum and difference frequency sound. (2) Parametric Receiving Arrays, a theoretical study of parametric reception in a reverberant environment. (3) Nonlinear Effects in Asymmetric Sound Beams, a numerical study of two dimensional finite amplitude sound fields. (4) Pulsed Finite Amplitude Sound Beams, a numerical time domain solution of the KZK equation.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1989
Accession Number
ADA211756

Entities

People

  • Mark F. Hamilton

Organizations

  • University of Texas at Austin

Tags

Communities of Interest

  • Air Platforms
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Acoustics
  • Amplitude
  • Contracts
  • Difference Frequency
  • Diffraction
  • Engineering
  • Equations
  • Frequency
  • Frequency Domain
  • Mechanical Engineering
  • Optical Lattices
  • Plane Waves
  • Scattering
  • Students
  • Two Dimensional
  • Universities
  • Waves

Fields of Study

  • Physics

Readers

  • Acoustics.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Optical Physics and Photonics.

Technology Areas

  • Directed Energy