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Energy Harvesting From Smart Materials

[+] Author Affiliations
Nathan S. Hosking, Zahra Sotoudeh

Rensselaer Polytechnic Institute, Troy, NY

Paper No. IMECE2015-50768, pp. V001T01A039; 9 pages
doi:10.1115/IMECE2015-50768
From:
  • ASME 2015 International Mechanical Engineering Congress and Exposition
  • Volume 1: Advances in Aerospace Technology
  • Houston, Texas, USA, November 13–19, 2015
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5734-2
  • Copyright © 2015 by ASME

abstract

In this paper, we study fully coupled electromagnetic-elastic behaviors present in the structures of smart beams using variational asymptotic beam sections and geometrically exact fully intrinsic beam equations. We present results for energy harvesting from smart beams under various oscillatory loads in both the axial and transverse directions and calculate the corresponding deformations. The magnitude of these loads are varied to show the generalized trends produced by piezoelectric materials. Smart materials change mechanical energy to electrical energy; therefore, changing the structural dynamic behavior of the structure and its stiffness matrix. A smart structure can be designed to undergo larger loads without changing the surface area of the cross-section.

Copyright © 2015 by ASME

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