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Incorporation of self-heating effect into a thermo-mechanical coupled constitutive modelling for elastomeric polyurethane

Jie Yang, Zisheng Liao, Deepak George, Mokarram Hossain Orcid Logo, Xiaohu Yao

Giant, Volume: 18, Start page: 100278

Swansea University Author: Mokarram Hossain Orcid Logo

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DOI (Published version): 10.1016/j.giant.2024.100278

Abstract

Elastomeric polyurethane (EPU) is characterised by distinctive mechanical properties, including high toughness, low glass transition temperature, and high impact resistance, that render it indispensable in diverse engineering applications from soft robotics to anti-collision devices. This study pres...

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Published in: Giant
ISSN: 2666-5425
Published: Elsevier BV 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa66344
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This study presents a thermo-mechanically coupled constitutive model for EPU, systematically incorporating hyperelasticity, viscoelasticity, thermal expansion, and self-heating effect in a thermodynamically consistent manner. Experimental data, obtained from previous studies, are then used for parameter identification and model validation, including iterative updates for temperature parameters considering the self-heating effect. Subsequently, the validated model is integrated into finite element codes, i.e., user subroutine to define a material’s mechanical behavior (UMAT) based on the commercial finite element software ABAQUS, for the computation of three-dimensional stress-strain states, facilitating the analysis of the structural response to various mechanical loads and boundary conditions. The results obtained from simulations are compared with analytical solutions to confirm the precision of Finite Element Method (FEM) implementation. The self-heating effect is further analysed under different strain rates and temperatures. To validate the engineering significance of the FEM implementation, a plate with a hole structure is also simulated. In conclusion, this research provides a robust tool for engineers and researchers working with soft materials, enhancing their understanding and predictive capabilities, notably addressing the self-heating effect in thermo-mechanical behaviours.</abstract><type>Journal Article</type><journal>Giant</journal><volume>18</volume><journalNumber/><paginationStart>100278</paginationStart><paginationEnd/><publisher>Elsevier BV</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>2666-5425</issnPrint><issnElectronic/><keywords>Elastomeric polyurethane, Loading-unloading, Thermo-mechanically coupled constitutivemodelling, Finite element implementation, Self-heating effect, UMAT</keywords><publishedDay>1</publishedDay><publishedMonth>6</publishedMonth><publishedYear>2024</publishedYear><publishedDate>2024-06-01</publishedDate><doi>10.1016/j.giant.2024.100278</doi><url/><notes/><college>COLLEGE NANME</college><department>Aerospace, Civil, Electrical, and Mechanical Engineering</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>ACEM</DepartmentCode><institution>Swansea University</institution><apcterm/><funders>This research was funded by the National Science Fund for Distinguished Young Scholar (No. 11925203), the National Natural Science Foundation of China (No. 11672110), the Open Project Program of State Key Laboratory of TractionPower under Grant (No. TPL2003), and the financial support from the China Scholarship Council (CSC visiting PhD Fellowship No. 202206150100 to J. Yang). M. Hossain acknowledges the funding by EPSRC through the Supergen ORE Hub (EP/S000747/1), who have been awarded funding for the Flexible Fund project Submerged bi-axial fatigue analysis for flexible membrane Wave Energy Converters (FF2021-1036). M. Hossain also acknowledges the support of the EPSRC Impact Acceleration Account (EP/X525637/1) and the Royal Society (UK) through the International Exchange Grant (IEC/NSFC/211316).</funders><projectreference/><lastEdited>2024-06-17T16:18:54.2914232</lastEdited><Created>2024-05-09T09:34:56.1014765</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering</level></path><authors><author><firstname>Jie</firstname><surname>Yang</surname><order>1</order></author><author><firstname>Zisheng</firstname><surname>Liao</surname><order>2</order></author><author><firstname>Deepak</firstname><surname>George</surname><order>3</order></author><author><firstname>Mokarram</firstname><surname>Hossain</surname><orcid>0000-0002-4616-1104</orcid><order>4</order></author><author><firstname>Xiaohu</firstname><surname>Yao</surname><order>5</order></author></authors><documents><document><filename>66344__30665__87de1ddb321646a6a4e1a27c6ce7027e.pdf</filename><originalFilename>66344.VoR.pdf</originalFilename><uploaded>2024-06-17T16:16:46.7471448</uploaded><type>Output</type><contentLength>4546175</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><documentNotes>©2024 The Author(s). 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spelling v2 66344 2024-05-09 Incorporation of self-heating effect into a thermo-mechanical coupled constitutive modelling for elastomeric polyurethane 140f4aa5c5ec18ec173c8542a7fddafd 0000-0002-4616-1104 Mokarram Hossain Mokarram Hossain true false 2024-05-09 ACEM Elastomeric polyurethane (EPU) is characterised by distinctive mechanical properties, including high toughness, low glass transition temperature, and high impact resistance, that render it indispensable in diverse engineering applications from soft robotics to anti-collision devices. This study presents a thermo-mechanically coupled constitutive model for EPU, systematically incorporating hyperelasticity, viscoelasticity, thermal expansion, and self-heating effect in a thermodynamically consistent manner. Experimental data, obtained from previous studies, are then used for parameter identification and model validation, including iterative updates for temperature parameters considering the self-heating effect. Subsequently, the validated model is integrated into finite element codes, i.e., user subroutine to define a material’s mechanical behavior (UMAT) based on the commercial finite element software ABAQUS, for the computation of three-dimensional stress-strain states, facilitating the analysis of the structural response to various mechanical loads and boundary conditions. The results obtained from simulations are compared with analytical solutions to confirm the precision of Finite Element Method (FEM) implementation. The self-heating effect is further analysed under different strain rates and temperatures. To validate the engineering significance of the FEM implementation, a plate with a hole structure is also simulated. In conclusion, this research provides a robust tool for engineers and researchers working with soft materials, enhancing their understanding and predictive capabilities, notably addressing the self-heating effect in thermo-mechanical behaviours. Journal Article Giant 18 100278 Elsevier BV 2666-5425 Elastomeric polyurethane, Loading-unloading, Thermo-mechanically coupled constitutivemodelling, Finite element implementation, Self-heating effect, UMAT 1 6 2024 2024-06-01 10.1016/j.giant.2024.100278 COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University This research was funded by the National Science Fund for Distinguished Young Scholar (No. 11925203), the National Natural Science Foundation of China (No. 11672110), the Open Project Program of State Key Laboratory of TractionPower under Grant (No. TPL2003), and the financial support from the China Scholarship Council (CSC visiting PhD Fellowship No. 202206150100 to J. Yang). M. Hossain acknowledges the funding by EPSRC through the Supergen ORE Hub (EP/S000747/1), who have been awarded funding for the Flexible Fund project Submerged bi-axial fatigue analysis for flexible membrane Wave Energy Converters (FF2021-1036). M. Hossain also acknowledges the support of the EPSRC Impact Acceleration Account (EP/X525637/1) and the Royal Society (UK) through the International Exchange Grant (IEC/NSFC/211316). 2024-06-17T16:18:54.2914232 2024-05-09T09:34:56.1014765 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Jie Yang 1 Zisheng Liao 2 Deepak George 3 Mokarram Hossain 0000-0002-4616-1104 4 Xiaohu Yao 5 66344__30665__87de1ddb321646a6a4e1a27c6ce7027e.pdf 66344.VoR.pdf 2024-06-17T16:16:46.7471448 Output 4546175 application/pdf Version of Record true ©2024 The Author(s). This is an open access article under the CC BY license. true eng http://creativecommons.org/licenses/by/4.0/
title Incorporation of self-heating effect into a thermo-mechanical coupled constitutive modelling for elastomeric polyurethane
spellingShingle Incorporation of self-heating effect into a thermo-mechanical coupled constitutive modelling for elastomeric polyurethane
Mokarram Hossain
title_short Incorporation of self-heating effect into a thermo-mechanical coupled constitutive modelling for elastomeric polyurethane
title_full Incorporation of self-heating effect into a thermo-mechanical coupled constitutive modelling for elastomeric polyurethane
title_fullStr Incorporation of self-heating effect into a thermo-mechanical coupled constitutive modelling for elastomeric polyurethane
title_full_unstemmed Incorporation of self-heating effect into a thermo-mechanical coupled constitutive modelling for elastomeric polyurethane
title_sort Incorporation of self-heating effect into a thermo-mechanical coupled constitutive modelling for elastomeric polyurethane
author_id_str_mv 140f4aa5c5ec18ec173c8542a7fddafd
author_id_fullname_str_mv 140f4aa5c5ec18ec173c8542a7fddafd_***_Mokarram Hossain
author Mokarram Hossain
author2 Jie Yang
Zisheng Liao
Deepak George
Mokarram Hossain
Xiaohu Yao
format Journal article
container_title Giant
container_volume 18
container_start_page 100278
publishDate 2024
institution Swansea University
issn 2666-5425
doi_str_mv 10.1016/j.giant.2024.100278
publisher Elsevier BV
college_str Faculty of Science and Engineering
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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 - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
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description Elastomeric polyurethane (EPU) is characterised by distinctive mechanical properties, including high toughness, low glass transition temperature, and high impact resistance, that render it indispensable in diverse engineering applications from soft robotics to anti-collision devices. This study presents a thermo-mechanically coupled constitutive model for EPU, systematically incorporating hyperelasticity, viscoelasticity, thermal expansion, and self-heating effect in a thermodynamically consistent manner. Experimental data, obtained from previous studies, are then used for parameter identification and model validation, including iterative updates for temperature parameters considering the self-heating effect. Subsequently, the validated model is integrated into finite element codes, i.e., user subroutine to define a material’s mechanical behavior (UMAT) based on the commercial finite element software ABAQUS, for the computation of three-dimensional stress-strain states, facilitating the analysis of the structural response to various mechanical loads and boundary conditions. The results obtained from simulations are compared with analytical solutions to confirm the precision of Finite Element Method (FEM) implementation. The self-heating effect is further analysed under different strain rates and temperatures. To validate the engineering significance of the FEM implementation, a plate with a hole structure is also simulated. In conclusion, this research provides a robust tool for engineers and researchers working with soft materials, enhancing their understanding and predictive capabilities, notably addressing the self-heating effect in thermo-mechanical behaviours.
published_date 2024-06-01T16:18:52Z
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