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dc.contributor.authorMizzi, Luke-
dc.contributor.authorAttard, Daphne-
dc.contributor.authorGatt, Ruben-
dc.contributor.authorFarrugia, Pierre-Sandre-
dc.contributor.authorGrima, Joseph N.-
dc.identifier.citationMizzi, L., Attard, D., Gatt, R., Farrugia, P. S., & Grima, J. N. (2018). An analytical and finite element study on the mechanical properties of irregular hexachiral honeycombs. Smart Materials and Structures, 27(10), 105016.en_GB
dc.description.abstractThe highly symmetric hexachiral honeycomb with an isotropic Poisson’s ratio of −1 is one of the earliest and most well-known examples of auxetic mechanical metamaterials and has been proposed for numerous applications ranging from satellite antennas to stents. In this work, we propose a novel, less symmetric generic form of the hexachiral honeycomb that is made up of three sets of unequally sized ligaments rather than six identical ones and has the potential to exhibit a wide range of negative Poisson’s ratios. Using finite element analysis, we investigated the deformation behaviour of these generic hexachiral systems and derived an analytical model which may be used to predict the Poisson’s ratio of these systems. The results obtained indicate that the hexachiral topology is extremely versatile with respect to its potential to exhibit diverse mechanical properties and it is hoped that this added tunability will enhance the functionality and applicability of this class of auxetic mechanical metamaterials.en_GB
dc.publisherInstitute of Physics Publishingen_GB
dc.subjectHoneycomb structuresen_GB
dc.subjectAuxetics (Materials) -- Mechanical propertiesen_GB
dc.subjectFinite element methoden_GB
dc.subjectPoisson processesen_GB
dc.subjectMaterials -- Mechanical propertiesen_GB
dc.subjectMetamaterials -- Mathematical modelsen_GB
dc.titleAn analytical and finite element study on the mechanical properties of irregular hexachiral honeycombsen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder.en_GB
dc.publication.titleSmart Materials and Structuresen_GB
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