Axisymmetric Scattering of a Spherical Wave by a Prolate Spheroid.

Abstract

Theoretical analyses are performed, and numerical results obtained for the axisymmetric scattering of a spherical wave by either a rigid or soft (pressure release) prolate spheroid. In the numerical calculations, the complex far-field reflection factor (ratio of scattered-to-incident pressure) is computed as a function of frequency and observation angle for a 7-to-1 fineness ratio prolate spheroid. Ten different source locations are considered, all of which lie on the axis of symmetry. In addition, the superposition of the incident and scattered fields is investigated for a variety of two-source configurations. In one instance, these two sources are assumed to have equal strengths and to vibrate in phase, while in a second instance they are assumed to be incoherent.

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Document Details

Document Type
Technical Report
Publication Date
May 15, 1978
Accession Number
ADA062989

Entities

People

  • A. Germon

Organizations

  • Pennsylvania State University

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Acoustics
  • Asymptotic Series
  • Bessel Functions
  • Complex Variables
  • Computational Science
  • Computations
  • Coordinate Systems
  • Difference Equations
  • Differential Equations
  • Diffraction
  • Equations
  • Geometry
  • Spherical Waves
  • Standing Waves
  • Two Dimensional
  • Wave Equations
  • Wave Functions

Fields of Study

  • Mathematics
  • Physics

Readers

  • Aerosol Science/Aerosol Physics
  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Structural Dynamics.