ELASTIC WAVE INTERACTION WITH CYLINDRICAL CAVITY,

Abstract

The interaction of a plane presssessure pulse with a smooth cylindrical cavity in a two dimensional, elastic, homogenous medium is studied using the 'high frequency' approximation common to geometrical optics. Both a normal and oblique impingement are considered. Reflection and diver gence coefficients are computed and plotted as a function of problem geometry. Stresses and displacements along the cylindrical surface are also shown. The maximum stress occurs on the surface near the 70 degree central angle radial when the incidence is normal. Computations of similar dividivergence and reflection coefficients for oblique impingement are accomplished by geometrical considerations using the computed values for normal impingement. The maximum stress is considerably less than for the normal case. (Author)

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1959
Accession Number
AD0606490

Entities

People

  • J. F. Gilbert

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Coefficients
  • Computations
  • Displacement
  • Elastic Waves
  • Frequency
  • Frequency Shift
  • Geometry
  • Mathematics
  • Optics
  • Physics
  • Reflection
  • Two Dimensional
  • Waves

Fields of Study

  • Physics

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Mechanical Engineering/Mechanics of Materials.
  • Structural Dynamics.