Abstract

Existing theoretical analyses are inadequate to predict the natural frequencies of vibration of solid, elastic cylinders, particularly when the thickness-to diameter ratio (h/2a) is near unity. An experimental study has been carried out on solid aluminum and steel cylinders having h/2a between 0.1 and 1.25. Nineteen of the graver modes were excited by means of a barium titanate driver loosely coupled to the metal cylinders. Sand patterns and a small vibration probe were used to determine the form of the vibrations. Where possible, the frequencies are compared with the results of existing theoretical work.

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