Stress and deformation analysis of an acoustical compliance tube for use in underwater sound projectors

Abstract

To increase the compressibility of the oil chamber in large, oil-filled underwater transducers, small, sealed, gas-filled, hollow vessels have been used. For these vessels compressibility, coupled with strength, is needed. The stress and deformation problem of the noncircular cylinder under pressure loading is considered. Equations are developed for the volume change, the maximum stress, and the shape change. The equations are applied to a particular shape of flattened cylindrical tube, called the ’’dogbone’’ because of its cross-sectional outline. A specific practical case is worked out numerically for each of two different metals making up the tube.