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Modelling electro-active polymers with a dispersion-type anisotropy

Mokarram Hossain Orcid Logo, Paul Steinmann

Smart Materials and Structures, Volume: 27, Issue: 2

Swansea University Author: Mokarram Hossain Orcid Logo

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DOI (Published version): 10.1088/1361-665X/aa9f88

Abstract

We propose a novel constitutive framework for electro-active polymers (EAPs) that can take into account anisotropy with a chain dispersion. To enhance actuation behaviour, particle-filled EAPs become promising candidates nowadays. Recent studies suggest that particle-filled EAPs, which can be cured...

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Published in: Smart Materials and Structures
ISSN: 0964-1726 1361-665X
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa37396
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last_indexed 2021-01-08T03:59:00Z
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spelling 2021-01-07T10:41:10.4557536 v2 37396 2017-12-11 Modelling electro-active polymers with a dispersion-type anisotropy 140f4aa5c5ec18ec173c8542a7fddafd 0000-0002-4616-1104 Mokarram Hossain Mokarram Hossain true false 2017-12-11 GENG We propose a novel constitutive framework for electro-active polymers (EAPs) that can take into account anisotropy with a chain dispersion. To enhance actuation behaviour, particle-filled EAPs become promising candidates nowadays. Recent studies suggest that particle-filled EAPs, which can be cured under an electric field during the manufacturing time, do not necessarily form perfect anisotropic composites, rather they create composites with dispersed chains. Hence in this contribution, an electro-mechanically coupled constitutive model is devised that considers the chain dispersion with a probability distribution function (PDF) in an integral form. To obtain relevant quantities in discrete form, numerical integration over the unit sphere is utilised. Necessary constitutive equations are derived exploiting the basic laws of thermodynamics that result in a thermodynamically consistent formulation. To demonstrate the performance of the proposed electro-mechanically coupled framework, we analytically solve a non-homogeneous boundary value problem, the extension and inflation of an axisymmetric cylindrical tube under electro-mechanically coupled load. The results capture various electro-mechanical couplings with the formulation proposed for EAP composites. Journal Article Smart Materials and Structures 27 2 0964-1726 1361-665X 16 1 2018 2018-01-16 10.1088/1361-665X/aa9f88 COLLEGE NANME General Engineering COLLEGE CODE GENG Swansea University 2021-01-07T10:41:10.4557536 2017-12-11T09:05:50.1395388 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - General Engineering Mokarram Hossain 0000-0002-4616-1104 1 Paul Steinmann 2 0037396-11122017090951.pdf hossain2017(2).pdf 2017-12-11T09:09:51.5430000 Output 1498894 application/pdf Accepted Manuscript true 2018-12-06T00:00:00.0000000 false eng
title Modelling electro-active polymers with a dispersion-type anisotropy
spellingShingle Modelling electro-active polymers with a dispersion-type anisotropy
Mokarram Hossain
title_short Modelling electro-active polymers with a dispersion-type anisotropy
title_full Modelling electro-active polymers with a dispersion-type anisotropy
title_fullStr Modelling electro-active polymers with a dispersion-type anisotropy
title_full_unstemmed Modelling electro-active polymers with a dispersion-type anisotropy
title_sort Modelling electro-active polymers with a dispersion-type anisotropy
author_id_str_mv 140f4aa5c5ec18ec173c8542a7fddafd
author_id_fullname_str_mv 140f4aa5c5ec18ec173c8542a7fddafd_***_Mokarram Hossain
author Mokarram Hossain
author2 Mokarram Hossain
Paul Steinmann
format Journal article
container_title Smart Materials and Structures
container_volume 27
container_issue 2
publishDate 2018
institution Swansea University
issn 0964-1726
1361-665X
doi_str_mv 10.1088/1361-665X/aa9f88
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 - General Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - General Engineering
document_store_str 1
active_str 0
description We propose a novel constitutive framework for electro-active polymers (EAPs) that can take into account anisotropy with a chain dispersion. To enhance actuation behaviour, particle-filled EAPs become promising candidates nowadays. Recent studies suggest that particle-filled EAPs, which can be cured under an electric field during the manufacturing time, do not necessarily form perfect anisotropic composites, rather they create composites with dispersed chains. Hence in this contribution, an electro-mechanically coupled constitutive model is devised that considers the chain dispersion with a probability distribution function (PDF) in an integral form. To obtain relevant quantities in discrete form, numerical integration over the unit sphere is utilised. Necessary constitutive equations are derived exploiting the basic laws of thermodynamics that result in a thermodynamically consistent formulation. To demonstrate the performance of the proposed electro-mechanically coupled framework, we analytically solve a non-homogeneous boundary value problem, the extension and inflation of an axisymmetric cylindrical tube under electro-mechanically coupled load. The results capture various electro-mechanical couplings with the formulation proposed for EAP composites.
published_date 2018-01-16T03:47:06Z
_version_ 1763752255008276480
score 11.012678

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