Unpublished conference/Abstract (Scientific congresses, symposiums and conference proceedings)
Modelling and analysis of flow-driven energy harvesting devices and associated reduced order models
ZILIAN, Andreas; BAROLI, Davide
20186th European Conference on Computational Mechanics (ECCM 6)
 

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Keywords :
Piezoelectric energy harvesting; Monolithic FSI; Reduced order models
Abstract :
[en] A specific class of energy harvester devices for renewable energy resources allows conversion of ambient fluid flow energy to electrical energy via flow-induced vibrations of a piezo-ceramic composite structure positioned in the flow field. This energy converter technology simultaneously involves the interaction of a composite structure and a surrounding fluid, the electric charge accumulated in the piezo-ceramic material and a controlling electrical circuit. In order to predict the efficiency and operational properties of such future devices and to increase their robustness and performance, a mathematical and numerical model of the complex physical system is required to allow systematic computational investigation of the involved phenomena and coupling characteristics. The presentation will discuss a monolithic modelling approach that allows simultaneous analysis of the harvester, which involves surface-coupled fluid-structure interaction, volume-coupled electro-mechanics and a controlling energy harvesting circuit. Based on a finite element discretisation of the weighted residual form of the governing equations, time- and frequency-domain analysis enables investigation of different types of structures (plate, shells) subject to exterior/interior flow with varying parameters, and attached electrical circuits with respect to the electrical power output generated. Consequently, options for parametric reduced-order modelling of flow-driven energy harvesters will be discussed.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
ZILIAN, Andreas  ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
BAROLI, Davide ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
External co-authors :
no
Language :
English
Title :
Modelling and analysis of flow-driven energy harvesting devices and associated reduced order models
Publication date :
June 2018
Event name :
6th European Conference on Computational Mechanics (ECCM 6)
Event date :
11-15 June 2018
By request :
Yes
Audience :
International
Focus Area :
Computational Sciences
Available on ORBilu :
since 27 June 2018

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