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Blade couple connected by damping element with dry friction contacts

Pešek L., Půst L.

Journal of Theoretical and Applied Mechanics

2014

Vol. 52 nr 3

815--826

Theoretical and experimental solutions of forced vibration of a three-mass system linked together by two dry friction connections are presented. This system is a computational model of a physical model of a blade couple with a friction element measured in dynamic laboratory of Institute of Thermomechanics AS CR. Numerical solution of strongly nonlinear equations of motion shows good damping properties of the dry friction element and correspond to the results of experimental research, which is oriented on the investigation of both forced and free vibration of the physical blade couple model.