Numerical Modeling of 3-D Environmental Variability

Abstract

The goals of this work were multi-faceted, consistent with the various efforts supported by this work. Particular focus was placed on analysis of the scattering from rough ocean surfaces and comparison with experimental data. In collaboration with Prof. Mohsen Badiey of the University of Delaware, modeling efforts were expanded to include dynamic rough surface interface and near-surface bubble scattering. By continuing to expand and improve the capabilities of the numerical modeling methods, the long-term goal of this effort is to provide a useful tool for understanding the physical phenomena leading to variability in the acoustic propagation. The overall objective of this work was to study the response of the acoustic field in the presence of environmental variability, and to examine the relative effects of rough surfaces, volumetric perturbations (e.g., nonlinear internal waves, near-surface bubbles), and bottom topography.

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Document Details

Document Type
Technical Report
Publication Date
Sep 30, 2012
Accession Number
ADA575104

Entities

People

  • Kevin B. Smith

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Acoustic Communications
  • Acoustic Fields
  • Acoustic Propagation
  • Cartesian Coordinates
  • Coordinate Systems
  • Depth
  • Frequency
  • Geometry
  • Internal Waves
  • Rhode Island
  • Scattering
  • Surface Waves
  • Three Dimensional
  • Two Dimensional
  • Wave Propagation
  • Waves
  • Wind Turbines

Readers

  • Acoustical Oceanography.
  • Computational Fluid Dynamics (CFD)
  • Research Science/Academic Research