Computational Acoustics

Abstract

General Goal: To develop accurate and efficient numerical models of the acoustic propagation problem. The main considerations were: long range propagation, short range propagation, one-way outgoing or incoming (no backscatter -PE's), two-way (backscatter - Elliptics), and liquid/solid interface. General Approach: To model physical phenomena using partial differential equations and to apply modern numerical methods of scientific computing to their solution. The main considerations were: stability, convergence, accuracy, efficiency, error estimates, well-posedness, and applicability.

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Document Details

Document Type
Technical Report
Publication Date
Feb 08, 1992
Accession Number
ADA247688

Entities

People

  • Donald F. St Mary

Organizations

  • University of Massachusetts Amherst

Tags

DTIC Thesaurus Topics

  • Accuracy
  • Acoustic Propagation
  • Acoustics
  • Applied Mathematics
  • Backscattering
  • Computational Fluid Dynamics
  • Computational Science
  • Computations
  • Differential Equations
  • Equations
  • Mathematics
  • New York
  • Partial Differential Equations
  • Underwater Sound
  • Wave Equations
  • Wave Propagation

Fields of Study

  • Physics

Readers

  • Acoustical Oceanography.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)