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Mechanical behaviour of auxetic microstructures using contact mechanics and elastoplasticity

Drosopoulos Georgios, Kaminakis Nikolaos, Papadogianni Nikoletta, Stavroulakis Georgios

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URIhttp://purl.tuc.gr/dl/dias/BB84193C-AFD3-43E2-B480-DE1BC85EA6FB-
Identifierhttps://www.scientific.net/KEM.681.100-
Identifierhttps://doi.org/10.4028/www.scientific.net/KEM.681.100-
Languageen-
Extent17 pagesen
TitleMechanical behaviour of auxetic microstructures using contact mechanics and elastoplasticityen
CreatorDrosopoulos Georgiosen
CreatorΔροσοπουλος Γεωργιοςel
CreatorKaminakis Nikolaosen
CreatorΚαμινακης Νικολαοςel
CreatorPapadogianni Nikolettaen
CreatorΠαπαδογιαννη Νικολετταel
CreatorStavroulakis Georgiosen
CreatorΣταυρουλακης Γεωργιοςel
PublisherTrans Tech Publicationsen
Content SummaryThe design of novel mechanical microstructures having auxetic behaviour is proposed in this paper using techniques of topology optimization for compliant mechanisms. The resulting microstructure can be modified in order to cover additional needs, not included in the topology optimization formulation. Classical structural optimization, contact mechanics, homogenization and non-linear finite element analysis are used for this step. Thus, the modified microstructure or composite is studied with numerical homogenization in order to verify that it still has the wished auxetic behaviour. Finally, non-linear finite element analysis shows how the auxetic behaviour is influenced by unilateral contact between the constituent materials, large displacements and elastoplasticity.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2018-10-30-
Date of Publication2016-
SubjectAuxetic materialsen
SubjectCompliant mechanismsen
SubjectContacten
SubjectHomogenizationen
SubjectTopology optimizationen
Bibliographic CitationG. A. Drosopoulos, N. Kaminakis, N. Papadogianni and G. E. Stavroulakis, "Mechanical behaviour of auxetic microstructures using contact mechanics and elastoplasticity," Key Eng. Mat., vol. 681, pp. 100-116, Feb. 2016. doi: 10.4028/www.scientific.net/KEM.681.100 el

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