Normal Modes for a Translating Open-Ended Cylindrical Cavity,

Abstract

The effect of motion on the normal modes and wave patterns of a rigid open-ended right circular cylinder translating at constant velocity along its axis through an elastic medium was studied. Solution of the wave equation, in cylindrical coordinates, for small amplitude harmonic disturbances in a homogeneous, linear, irrotational elastic medium was effected within the moving boundaries. The solutions yield the resonant frequencies and the changes in the nodal patterns with frequency and velocity. (Author)

Document Details

Document Type
Technical Report
Publication Date
Aug 06, 1969
Accession Number
AD0862216

Entities

People

  • Bernard Brown
  • Louis F. Libelo

Organizations

  • Naval Ordnance Laboratory

Tags

DTIC Thesaurus Topics

  • Amplitude
  • Boundaries
  • Differential Equations
  • Equations
  • Frequency
  • Mathematics
  • Partial Differential Equations
  • Resonant Frequency
  • Wave Equations

Fields of Study

  • Physics

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)