Accession Number:

ADA281714

Title:

Problems in Nonlinear Acoustics: Surface Acoustic Waves, Diffracting Sound Beams, and Fluid-Solid Interface Effects.

Descriptive Note:

Annual summary rept. no. 6, 1 Sep 1993-31 May 1994

Corporate Author:

TEXAS UNIV AT AUSTIN DEPT OF MECHANICALENGINEERING

Personal Author(s):

Report Date:

1994-05-31

Pagination or Media Count:

28.0

Abstract:

Three subject areas, with emphasis on nonlinear acoustics, are discussed in this annual summary report 1 Surface Acoustic Waves evolution equations, generalized model equations for complex space-time dependencies, and nonlinearity coefficients for Rayleigh waves, and model equation for Stoneley waves 2 Diffracting Sound Beams modeling of noise and relaxation, measurements of focused beams, and transient solution for radiation from a parabolic antenna and 3 Fluid-Solid Interface Effects comparisons of 2-D and 3-D reflection for piston and Gaussian sources.

Subject Categories:

  • Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE