One-Dimensional Wave Propagation through a Short Discontinuity

Abstract

The one-dimensional transmission and reflection laws for a change in section have been employed to analyze wave propagation in two elastic circular cylinders with discontinuities resulting from either the insertion of a short wafer of different acoustic impedance between or the eccentric junction of the bars. Appropriate experiments using aluminum cylinders and semiconductor strain gauges have been carried out, and good correlation of the results has been obtained.