Abstract

Transient sound radiation from an impactively excited circular plate clamped at the outer edge in an infinite baffle is obtained by numerical integration of Rayleigh's integral. Calculated sound pressure wave‐forms are compared with the experimental results to demonstrate the sound radiation mechanism due to “rapid deformation” of the plate. These results show that on the axis of symmetry perpendicular to the plate, the sound pressure wave reproduces the plate velocity, as opposed to the classic case of a transiently excited rigid piston in an infinite baffle which reproduces the piston acceleration.

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