DID YOU KNOW? DTIC has over 3.5 million final reports on DoD funded research, development, test, and evaluation activities available to our registered users. Click
HERE to register or log in.
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
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.
Distribution Statement:
APPROVED FOR PUBLIC RELEASE