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dc.contributor.authorGrima, Joseph N.-
dc.contributor.authorAttard, Daphne-
dc.contributor.authorEllul Grech, Brian-
dc.contributor.authorGatt, Ruben-
dc.identifier.citationGrima, J. N., Attard, D., Ellul, B., & Gatt, R. (2011). An improved analytical model for the elastic constants of auxetic and conventional hexagonal honeycombs. Cellular Polymers, 30(6), 287-310.en_GB
dc.description.abstractCellular solids, in particular hexagonal honeycombs have been the subject of numerous studies in the last decades in view of their extensive use in many applications. In particular, there have been various studies aimed at expressing the mechanical properties of honeycombs in terms of the geometrical parameters used to describe the structure of such honeycombs. Despite improvements over the first established model, finite element simulations performed in this work on honeycombs having ribs with a realistic thickness-to-length ratio suggest that the mechanical properties for such systems differ from those predicted by current models, sometimes to a very significant extent. In view of this, we analyse in detail the deformed structures in an attempt to gain insight into how and the extent to which the shape of the ligaments, in particular its thickness and mode of connection affects deformation in conventional and re-entrant hexagonal honeycombs. Based on these observations, we propose a modified version of the previous analytical models that take into consideration the finite thickness of the ligaments.en_GB
dc.publisherSmithers Rapraen_GB
dc.subjectHoneycomb structuresen_GB
dc.subjectMaterials -- Elastic propertiesen_GB
dc.subjectFinite element methoden_GB
dc.subjectPlastic foamsen_GB
dc.titleAn improved analytical model for the elastic constants of auxetic and conventional hexagonal 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
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