Accession Number:

ADA300678

Title:

Acousto-Ultrasonic Input-Output Characterization of Unidirectional Fiber Composite Plate by P Waves,

Descriptive Note:

Corporate Author:

MASSACHUSETTS INST OF TECH CAMBRIDGE

Personal Author(s):

Report Date:

1988-07-01

Pagination or Media Count:

77.0

Abstract:

The single reflection problem for an incident P wave at a stress-free plane boundary in a semi-infinite transversely isotropic medium whose isotropic plane is parallel to the plane boundary is analyzed. It is found that an obliquely incident P wave results in a reflected P wave and a reflected SV wave. The delay time for propagation between the transmitting and the receiving transducers is computed as if the P waves were propagating in an infinite half space. The displacements associated with the P waves in the plate and which may be detected by a noncontact NDE receiving transducer are approximated by an asymptotic solution for an infinite transversely isotropic medium subjected to a harmonic point load.

Subject Categories:

  • Laminates and Composite Materials
  • Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE