Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/30899
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dc.contributor.authorFong, E-
dc.contributor.authorKoponen, K-
dc.contributor.authorOmairey, S-
dc.contributor.authorDunning, P-
dc.date.accessioned2025-03-13T12:42:10Z-
dc.date.available2025-03-13T12:42:10Z-
dc.date.issued2023-06-17-
dc.identifierORCiD: Sadik Omairey https://orcid.org/0000-0001-9991-5291-
dc.identifier.citationFong, E. et al. (2024) 'Thermal–mechanical metamaterial analysis and optimization using an Abaqus plugin', Engineering with Computers, 40 (2), pp. 1145 - 1155. doi: 10.1007/s00366-023-01855-2.en_US
dc.identifier.issn0177-0667-
dc.identifier.urihttps://bura.brunel.ac.uk/handle/2438/30899-
dc.description.abstractThis paper demonstrates how commercial finite-element software and optimization algorithms can be combined to fully explore the design space of thermal–mechanical metamaterials to reveal trends and new insight. This is achieved by developing an Abaqus plugin (EasyPBC) that automates the application of periodic boundary conditions and computes effective elastic and thermal expansion properties for 2D and 3D problems. Abaqus is then linked to an optimizer to fully explore the design space and optimal trade-off between thermal and mechanical properties for two example metamaterials. The first example is a auxetic 2D star-shaped metamaterial, where the proposed approach is used to create a design envelope for Poisson’s ratio and thermal expansion coefficient by solving a series of constrained optimization problems. The second example is a 3D metamaterial based on an octet truss, with additional members to expand the design space. A multi-objective optimization problem is solved to find the optimal trade-off between Young’s modulus and thermal expansion coefficient in a prescribed direction. The results of both examples expand our knowledge about the range of properties for these metamaterials, and designs for optimal trade-off between thermal and mechanical properties.en_US
dc.description.sponsorshipNo funding was received for conducting this study.en_US
dc.format.extent1145 - 1155-
dc.format.mediumPrint-Electronic-
dc.languageEnglish-
dc.language.isoen_USen_US
dc.publisherSpringer Natureen_US
dc.rightsAttribution 4.0 International-
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/-
dc.subjectmetamaterialen_US
dc.subjectauxeticen_US
dc.subjectnon-positive thermal expansion coefficienten_US
dc.subjectoptimizationen_US
dc.subjectperiodic homogenizationen_US
dc.titleThermal–mechanical metamaterial analysis and optimization using an Abaqus pluginen_US
dc.typeArticleen_US
dc.date.dateAccepted2023-05-13-
dc.identifier.doihttps://doi.org/10.1007/s00366-023-01855-2-
dc.relation.isPartOfEngineering with Computers-
pubs.issue2-
pubs.publication-statusPublished-
pubs.volume40-
dc.identifier.eissn1435-5663-
dc.rights.licensehttps://creativecommons.org/licenses/by/4.0/legalcode.en-
dcterms.dateAccepted2023-05-13-
dc.rights.holderThe Author(s)-
Appears in Collections:Brunel Composites Centre

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