Accession Number : AD0481751

Title :   PRESSURE RADIATED BY A POINT-EXCITED ELASTIC PLATE.

Descriptive Note : Technical rept.,

Corporate Author : CAMBRIDGE ACOUSTICAL ASSOCIATES INC MA

Personal Author(s) : Feit, David

Report Date : MAR 1966

Pagination or Media Count : 14

Abstract : The acoustic pressure radiated by an infinite elastic plate excited by a time-harmonic point force or moment is obtained. The expression is valid for frequencies above and below the coincidence frequency. Below coincidence the pressure pattern is relatively non-directive and for all practical purposes insensitive to structural damping. Above coincidence the pressure pattern becomes directive, and the peak pressures can be significantly reduced by structural damping. (Author)

Descriptors :   *METAL PLATES), (*ACOUSTIC PROPERTIES, DAMPING, MATHEMATICAL ANALYSIS, MODULUS OF ELASTICITY, MOMENTS, VIBRATION, FREQUENCY, SOUND, PRESSURE, VELOCITY, DIFFERENTIAL EQUATIONS.

Subject Categories : Acoustics

Distribution Statement : APPROVED FOR PUBLIC RELEASE