Abstract

Experimental studies of the transient displacement at one endface of suspended bars impacted at the other end by solid objects were performed using a He–Ne Michelson interferometer. Analysis results show that stress waves of various displacement amplitudes and time durations are generated. Results of pendulum impacts on a metal bar were well in agreement with theoretical predictions of the bar face velocity generated at the nonimpacted end. The measured displacement amplitudes vs time measured at the nonimpacted end of the bar are useful in predicting the impact event at the struck end with theoretical impact models.

© 1984 Optical Society of America

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