The AESD Parabolic Equation Model.

Abstract

The Parabolic Equation Model is a wave acoustics model designed for the computation of acoustic transmission loss as a function of range and depth in range dependent ocean environments. The elliptic reduced wave equation is approximated by a parabolic partial differential equation that can be numerically integrated by marching the solution forward in range. The model is primarily useful for predicting low frequency (< 200 Hz) acoustic propagation of energy along waterborne paths. This report briefly describes the physics and mathematics of the model and documents a computer program developed at AESD. Individual routines are documented in an appendix. Environmental input routines must be supplied by the user and are not described in this report. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1978
Accession Number
ADA101594

Entities

People

  • H. K. Brock

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Acoustic Propagation
  • Acoustics
  • Algorithms
  • Attenuation
  • Boundaries
  • Computations
  • Computer Programs
  • Computers
  • Differential Equations
  • Diffraction
  • Equations
  • Fast Fourier Transforms
  • Ocean Environments
  • Oceans
  • Partial Differential Equations
  • Transmission Loss
  • Wave Equations

Readers

  • Acoustical Oceanography.
  • Computer Science.
  • Fluid Dynamics.