Abstract
High-frequency excitation (HFE) can be used to change the effective stiffness of an elastic structure, and related quanti-ties such as resonance frequencies, wave speed, buckling loads, and equilibrium states. There are basically two ways to do this: By using parametrical HFE (with or without non-linearity), or by using external HFE along with strong nonlinearity. The first way has been examined for many dif-ferent systems, and analytical predictions exist that has been repeatedly confirmed against numerical simulation and labo-ratory experiments. The current work contributes knowledge on the other way: Combining the method of direct separation of motions with results of a modified multiple scales ap-proach, valid also for strong nonlinearity, the stiffening ef-fect is predicted for a generic 1-dof system, and results are tested against numerical simulation and ((it is planned)) laboratory experiments.
Original language | English |
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Title of host publication | Proceedings of the 6th EUROMECH Nonlinear Dynamics Conference (ENOC 2008) |
Editors | B. R. Andrievsky, A. L. Fradkov |
Number of pages | 9 |
Place of Publication | St. Petersburg. Russia |
Publisher | European Mechanics Society |
Publication date | 2008 |
Publication status | Published - 2008 |
Event | 6th EUROMECH Nonlinear Dynamics Conference - St. Petersburg, Russian Federation Duration: 30 Jun 2008 → 4 Jul 2008 Conference number: 6 http://conf.physcon.ru/enoc08/ |
Conference
Conference | 6th EUROMECH Nonlinear Dynamics Conference |
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Number | 6 |
Country/Territory | Russian Federation |
City | St. Petersburg |
Period | 30/06/2008 → 04/07/2008 |
Internet address |