MATEC Web of Conferences
Volume 1, 2012CSNDD 2012 – International Conference on Structural Nonlinear Dynamics and Diagnosis
|Number of page(s)||6|
|Section||Passive Control of Structures via Nonlinear Energy Sinks|
|Published online||09 July 2012|
Delayed dynamical sytem strongly coupled to a nonlinear energy sink : application to machining chatter
1 Université de Toulouse, INSA, ICA (Institut Clément Ader), F-31077, Toulouse, France
2 Université de Toulouse, ISAE, ICA (Institut Clément Ader), F-31055, Toulouse, France
3 Université de Toulouse, UPS, ICA (Institut Clément Ader), F-31062, Toulouse, France
a e-mail: firstname.lastname@example.org
This paper investigate the different response regimes of a cutting tool on a lathe strongly coupled to a nonlinear energy sink. The equations of motion are analysed via the method of multiple scales. Condition of elimination of secular terms permit to derive equation of the slow invariant manifold (SIM) and the behavior of the system has been explained by studying the location of the fixed points of the slow flow on the SIM. Different types of responses are revealed such as periodic response and also strongly modulated response (SMR) wich are not related to the fixed points of the slow flow. Analytic results are then compared to numerical simulations.
© Owned by the authors, published by EDP Sciences, 2012
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