It has been shown in previous research that, relative to (the usually considered case of) a single impact, multiple impacts (clattering) of rigid casings can greatly enhance the probability of failure of fragile components mounted on or inside them. This paper addresses the important issues of the roles of casing flexibility and contact model in the above situation. A finite element analysis of clattering of a Timoshenko beam is carried out here. Dependence of the maximum change in average velocity due to impact, on the beam stiffness and coefficient of restitution, are studied here.
The Role of Beam Flexibility and Ground Contact Model in the Clattering of Deformable Beams
Contributed by the Dynamic Systems, Measurement, and Control Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the ASME Dynamic Systems and Control Division September 22, 2003. Associate Editor: C. D. Rahn.
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Bao , Z., Goyal , S., Leu , L., and Mukherjee , S. (August 5, 2004). "The Role of Beam Flexibility and Ground Contact Model in the Clattering of Deformable Beams ." ASME. J. Dyn. Sys., Meas., Control. June 2004; 126(2): 421–425. https://doi.org/10.1115/1.1771694
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