Numerical investigation of flow-induced vibration of a cantilever beam for a piezoelectric energy harvester

Mohammad Rasidi Mohammad Rasani, Jiyuan Tu, Nik Abdullah Nik Mohamed

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Flexible cantilever beams in channel flow loses its stability through a flutter mechanism at sufficiently high Reynolds number. This sustained transfer of flow work to cantilever beam oscillation could be extracted to generate electrical power, which may be utilized to power wireless sensors for structural health monitoring or supply additional power in unmanned or micro air vehicles. Such flexible beam system is known to exhibit some form of hysteresis, with super- and sub-critical velocities for onset of flutter, which may not be captured by current potential flow modeling. We present numerical simulation of a viscous, Navier-Stokes solver coupled to a cantilever beam, to capture this flutter velocity hysteresis. Numerical result under a linearly varying flow velocity shows an approximately 11% hysteresis, suggesting potential of present model for identifying more accurate boundaries of beam flutter. The prediction of cantilevered piezoelectric beam response under varying or unsteady flow velocities is necessary for reliable design of energy harvesting devices and warrants further experimental investigations.

Original languageEnglish
Title of host publicationApplied Mechanics and Materials
Pages97-102
Number of pages6
Volume225
DOIs
Publication statusPublished - 2012
Externally publishedYes
EventAEROTECH IV - 2012 - Kuala Lumpur
Duration: 21 Nov 201222 Nov 2012

Publication series

NameApplied Mechanics and Materials
Volume225
ISSN (Print)16609336
ISSN (Electronic)16627482

Other

OtherAEROTECH IV - 2012
CityKuala Lumpur
Period21/11/1222/11/12

Fingerprint

Harvesters
Cantilever beams
Hysteresis
Flow velocity
Micro air vehicle (MAV)
Flutter (aerodynamics)
Energy harvesting
Potential flow
Structural health monitoring
Channel flow
Unsteady flow
Reynolds number
Sensors
Computer simulation

Keywords

  • Cantilever beam
  • Energy harvesting
  • Flow-induced instability

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Mohammad Rasani, M. R., Tu, J., & Mohamed, N. A. N. (2012). Numerical investigation of flow-induced vibration of a cantilever beam for a piezoelectric energy harvester. In Applied Mechanics and Materials (Vol. 225, pp. 97-102). (Applied Mechanics and Materials; Vol. 225). https://doi.org/10.4028/www.scientific.net/AMM.225.97

Numerical investigation of flow-induced vibration of a cantilever beam for a piezoelectric energy harvester. / Mohammad Rasani, Mohammad Rasidi; Tu, Jiyuan; Mohamed, Nik Abdullah Nik.

Applied Mechanics and Materials. Vol. 225 2012. p. 97-102 (Applied Mechanics and Materials; Vol. 225).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mohammad Rasani, MR, Tu, J & Mohamed, NAN 2012, Numerical investigation of flow-induced vibration of a cantilever beam for a piezoelectric energy harvester. in Applied Mechanics and Materials. vol. 225, Applied Mechanics and Materials, vol. 225, pp. 97-102, AEROTECH IV - 2012, Kuala Lumpur, 21/11/12. https://doi.org/10.4028/www.scientific.net/AMM.225.97
Mohammad Rasani MR, Tu J, Mohamed NAN. Numerical investigation of flow-induced vibration of a cantilever beam for a piezoelectric energy harvester. In Applied Mechanics and Materials. Vol. 225. 2012. p. 97-102. (Applied Mechanics and Materials). https://doi.org/10.4028/www.scientific.net/AMM.225.97
Mohammad Rasani, Mohammad Rasidi ; Tu, Jiyuan ; Mohamed, Nik Abdullah Nik. / Numerical investigation of flow-induced vibration of a cantilever beam for a piezoelectric energy harvester. Applied Mechanics and Materials. Vol. 225 2012. pp. 97-102 (Applied Mechanics and Materials).
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