Nonlinear damping in vibration of CFRP plates

Olga Kazakova1 , Igor Smolin2 , Iosif Bezmozgiy3

1, 2, 3Tomsk State University, Tomsk, 634050, Russia

1, 3S. P. Korolev Rocket and Space Public Corporation Energia, Korolev, Moscow Area, 141070, Russia

2Institute of Strength Physics and Materials Science SB RAS, Tomsk, 634055, Russia

1Corresponding author

Vibroengineering PROCEDIA, Vol. 8, 2016, p. 372-376.
Received 1 August 2016; accepted 3 September 2016; published 7 October 2016

Copyright © 2016 JVE International Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Abstract.

The article describes research results of damping properties of carbon fiber reinforced plastics (CFRP). The effect of stress/strain levels on the damping value is studied. Research is conducted on flat samples (plates) with different lay-up schemes from 1-layered to 12-layered. The paper contains information about the modal and harmonic tests on the samples and their numerical modeling.

Keywords: modal analysis, harmonic analysis, finite element model, non-linear damping properties, carbon fiber reinforced plastics.

Acknowledgements

The research was supported by “The Tomsk State University Academic D. I. Mendeleev Fund Program”, Grant No. 8.2.19.2015.

References

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