Projects per year
Abstract
This paper numerically and experimentally investigates the relationship between the nonlinear normal modes and the forced response of a clamped-clamped cross beam structure. The system possesses closely-spaced linear modes such that the applied force distribution across the structure plays a central role in the appropriation of the nonlinear normal modes. Numerical simulations show that the quadrature conditions of the forced response does not necessarily match the peak response nor the nonlinear normal modes of the underlying conservative system, but instead are dependent upon the applied excitation. Experimental investigations performed with a single-point excitation and control based continuation further demonstrate the necessity for appropriate forcing in order to extract the NNMs of such systems.
Original language | English |
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Title of host publication | Proceedings of ISMA 2016 - International Conference on Noise and Vibration Engineering and USD2016 - International Conference on Uncertainty in Structural Dynamics |
Publisher | K U Leuven |
Pages | 2775-2784 |
Number of pages | 10 |
ISBN (Electronic) | 9789073802940 |
Publication status | Published - 19 Sept 2016 |
Event | 27th International Conference on Noise and Vibration Engineering, ISMA 2016 and International Conference on Uncertainty in Structural Dynamics, USD2016 - Leuven, Belgium Duration: 19 Sept 2016 → 21 Sept 2016 |
Conference
Conference | 27th International Conference on Noise and Vibration Engineering, ISMA 2016 and International Conference on Uncertainty in Structural Dynamics, USD2016 |
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Country/Territory | Belgium |
City | Leuven |
Period | 19/09/16 → 21/09/16 |
Research Groups and Themes
- Engineering Mathematics Research Group
Fingerprint
Dive into the research topics of 'Connecting nonlinear normal modes to the forced response of a geometric nonlinear structure with closely spaced modes'. Together they form a unique fingerprint.Projects
- 3 Finished
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TNS: Fellowship - Ludovic Renson
Barton, D. A. W. (Principal Investigator)
1/05/16 → 30/04/18
Project: Research
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Systematic experimental exploration of nonlinear structures with control-based continuation
Barton, D. A. W. (Principal Investigator)
1/09/13 → 1/09/15
Project: Research
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Dynamic design tools for understanding and exploiting nonlinearity in structures
Neild, S. A. (Principal Investigator)
1/02/13 → 31/07/18
Project: Research