Brincker, Rune

Demosthenous, Milton

Manos, George C.

The aim of this paper is to investigate the possibility of estimating an average damping parameter for a rocking system due to impact, the so-called coefficient of restitution, from the random response, i.e. when the loads are random and unknown, and the response is measured. The objective is to obtain an estimate of the free rocking response from the measured random response using the Random Decrement (RDD) Technique, and then estimate the coefficient of restitution from this free response estimate. In the paper this approach is investigated by simulating the response of a single degree of freedom system loaded by white noise, estimating the coefficient of restitution as explained, and comparing the estimates with the value used in the simulations. Several estimates for the coefficient of restitution are considered, and reasonable results are achieved

Estimation of the Coefficient of Restitution of Rocking Systems by the Random Decrement Technique

http://vbn.aau.dk/files/204328838/Estimation_of_the_coefficient_of_restitution_of_rocking_systems.pdf

Estimation of the Coefficient of Restitution of Rocking Systems by the Random Decrement Technique

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