Elastic instability, long considered mainly as a failure limit state or a safety guard against ultimate failure is gaining increased interest due to the development of active and controllable structures, and the growth in computational power. Mode jumping, or snap-through, during the postbuckling response leads to sudden and high-rate deformations due to generally smaller changes in the controlling load or displacement input to the system. A paradigm shift is thus emerging in using the unstable response range of slender structures for purposes that are rapidly increasing and diversifying, including applications such as energy harvesting, frequency tuning, sensing and actuation. This paper presents a finite element based numerical study on controlling the postbuckling behavior of fiber reinforced polymer cylindrical shells under axial compression. Considered variables in the numerical analyses include: the ply orientation and laminate stacking sequence; the material distribution on the shell surface (stiffness distribution); and the anisotropic coupling effects. Preliminary results suggest that the static and dynamic response of unstable mode branch switching during postbuckling can be fully characterized, and that their number and occurrence can be potentially tailored. Use of the observed behavior for energy harvesting and other sensing and actuation applications will be presented in future studies.
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ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 16–18, 2013
Snowbird, Utah, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5604-8
PROCEEDINGS PAPER
Controlling the Postbuckling Response of Cylindrical Shells Under Axial Compression for Applications in Smart Structures
Rigoberto Burgueño,
Rigoberto Burgueño
Michigan State University, East Lansing, MI
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Nan Hu,
Nan Hu
Michigan State University, East Lansing, MI
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Nizar Lajnef
Nizar Lajnef
Michigan State University, East Lansing, MI
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Rigoberto Burgueño
Michigan State University, East Lansing, MI
Nan Hu
Michigan State University, East Lansing, MI
Nizar Lajnef
Michigan State University, East Lansing, MI
Paper No:
SMASIS2013-3194, V002T07A021; 8 pages
Published Online:
February 20, 2014
Citation
Burgueño, R, Hu, N, & Lajnef, N. "Controlling the Postbuckling Response of Cylindrical Shells Under Axial Compression for Applications in Smart Structures." Proceedings of the ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting. Snowbird, Utah, USA. September 16–18, 2013. V002T07A021. ASME. https://doi.org/10.1115/SMASIS2013-3194
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