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Model Validation of a Porous Piezoelectric Energy Harvester Using Vibration Test Data

Germán Martínez-Ayuso, Hamed Haddad Khodaparast, Yan Zhang, Christopher Bowen, Michael Friswell, Alexander Shaw, Hadi Madinei Orcid Logo

Vibration, Volume: 1, Issue: 1, Pages: 123 - 137

Swansea University Author: Hadi Madinei Orcid Logo

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DOI (Published version): 10.3390/vibration1010010

Abstract

In this paper, a finite element model is coupled to an homogenisation theory in order to predict the energy harvesting capabilities of a porous piezoelectric energy harvester. The harvester consists of a porous piezoelectric patch bonded to the root of a cantilever beam. The material properties of t...

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Published in: Vibration
ISSN: 2571-631X
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa51403
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last_indexed 2019-09-03T14:51:34Z
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spelling 2019-09-03T11:28:27.1187088 v2 51403 2019-08-15 Model Validation of a Porous Piezoelectric Energy Harvester Using Vibration Test Data d9a10856ae9e6a71793eab2365cff8b6 0000-0002-3401-1467 Hadi Madinei Hadi Madinei true false 2019-08-15 AERO In this paper, a finite element model is coupled to an homogenisation theory in order to predict the energy harvesting capabilities of a porous piezoelectric energy harvester. The harvester consists of a porous piezoelectric patch bonded to the root of a cantilever beam. The material properties of the porous piezoelectric material are estimated by the Mori–Tanaka homogenisation method, which is an analytical method that provides the material properties as a function of the porosity of the piezoelectric composite. These material properties are then used in a finite element model of the harvester that predicts the deformation and voltage output for a given base excitation of the cantilever beam, onto which the piezoelectric element is bonded. Experiments are performed to validate the numerical model, based on the fabrication and testing of several demonstrators composed of porous piezoelectric patches with different percentages of porosity bonded to an aluminium cantilever beam. The electrical load is simulated using a resistor and the voltage across the resistor is measured to estimate the energy generated. The beam is excited in a range of frequencies close to the first and second modes using base excitation. The effects of the porosity and the assumptions made for homogenisation are discussed. Journal Article Vibration 1 1 123 137 2571-631X energy harvesting; porous material; piezoelectricity; model validation; physical experiment 31 12 2018 2018-12-31 10.3390/vibration1010010 COLLEGE NANME Aerospace Engineering COLLEGE CODE AERO Swansea University 2019-09-03T11:28:27.1187088 2019-08-15T13:38:34.1655634 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering Germán Martínez-Ayuso 1 Hamed Haddad Khodaparast 2 Yan Zhang 3 Christopher Bowen 4 Michael Friswell 5 Alexander Shaw 6 Hadi Madinei 0000-0002-3401-1467 7 0051403-03092019112820.pdf martinez-ayuso2018.pdf 2019-09-03T11:28:20.2130000 Output 5004200 application/pdf Version of Record true 2019-09-03T00:00:00.0000000 false eng
title Model Validation of a Porous Piezoelectric Energy Harvester Using Vibration Test Data
spellingShingle Model Validation of a Porous Piezoelectric Energy Harvester Using Vibration Test Data
Hadi Madinei
title_short Model Validation of a Porous Piezoelectric Energy Harvester Using Vibration Test Data
title_full Model Validation of a Porous Piezoelectric Energy Harvester Using Vibration Test Data
title_fullStr Model Validation of a Porous Piezoelectric Energy Harvester Using Vibration Test Data
title_full_unstemmed Model Validation of a Porous Piezoelectric Energy Harvester Using Vibration Test Data
title_sort Model Validation of a Porous Piezoelectric Energy Harvester Using Vibration Test Data
author_id_str_mv d9a10856ae9e6a71793eab2365cff8b6
author_id_fullname_str_mv d9a10856ae9e6a71793eab2365cff8b6_***_Hadi Madinei
author Hadi Madinei
author2 Germán Martínez-Ayuso
Hamed Haddad Khodaparast
Yan Zhang
Christopher Bowen
Michael Friswell
Alexander Shaw
Hadi Madinei
format Journal article
container_title Vibration
container_volume 1
container_issue 1
container_start_page 123
publishDate 2018
institution Swansea University
issn 2571-631X
doi_str_mv 10.3390/vibration1010010
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering
document_store_str 1
active_str 0
description In this paper, a finite element model is coupled to an homogenisation theory in order to predict the energy harvesting capabilities of a porous piezoelectric energy harvester. The harvester consists of a porous piezoelectric patch bonded to the root of a cantilever beam. The material properties of the porous piezoelectric material are estimated by the Mori–Tanaka homogenisation method, which is an analytical method that provides the material properties as a function of the porosity of the piezoelectric composite. These material properties are then used in a finite element model of the harvester that predicts the deformation and voltage output for a given base excitation of the cantilever beam, onto which the piezoelectric element is bonded. Experiments are performed to validate the numerical model, based on the fabrication and testing of several demonstrators composed of porous piezoelectric patches with different percentages of porosity bonded to an aluminium cantilever beam. The electrical load is simulated using a resistor and the voltage across the resistor is measured to estimate the energy generated. The beam is excited in a range of frequencies close to the first and second modes using base excitation. The effects of the porosity and the assumptions made for homogenisation are discussed.
published_date 2018-12-31T04:03:16Z
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score 11.013731

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