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المؤلفMousanezhad, D.
المؤلفEbrahimi, H.
المؤلفHaghpanah, B.
المؤلفGhosh, R.
المؤلفAjdari, A.
المؤلفHamouda, A.M.S.
المؤلفVaziri, A.
تاريخ الإتاحة2016-01-19T14:20:36Z
تاريخ النشر2015-08-01
اسم المنشورInternational Journal of Solids and Structures
المعرّفhttp://dx.doi.org/10.1016/j.ijsolstr.2015.03.036
الاقتباس"Spiderweb honeycombs" Mousanezhad, D.; Ebrahimi, H.; Haghpanah, B.; Ghosh, R.; Ajdari, A. et al., (2015) International Journal of Solids and Structures vol. 66 p. 218-227
الرقم المعياري الدولي للكتاب0020-7683
معرّف المصادر الموحدhttp://hdl.handle.net/10576/4106
الملخصSmall and large deformation in-plane elastic response of a new class of hierarchical fractal-like honeycombs inspired by the topology of the “spiderweb” were investigated through analytical modeling, detailed numerical simulations, and mechanical testing. Small deformation elasticity results show that the isotropic in-plane elastic moduli (Young’s modulus and Poisson’s ratio) of the structures are controlled by dimension ratios in the hierarchical pattern of spiderweb, and the response can vary from bending to stretching dominated. In large deformations, spiderweb hierarchy postpones the onset of instability compared to stretching dominated triangular honeycomb (which is indeed a special case of the proposed spiderweb honeycomb), and exhibits hardening behavior due to geometrical nonlinearity. Furthermore, simple geometrical arguments were obtained for large deformation Poisson’s ratio of first order spiderweb honeycombs, which show good agreement with numerical and experimental results. Spiderweb honeycombs exhibit auxetic behavior depending on the non-dimensional geometrical ratio of spiderweb.
راعي المشروعNPRP award [NPRP 5-1298-2-560] from the Qatar National Research Fund (a member of the Qatar Foundation)
اللغةen
الناشرElsevier Ltd
الموضوعCellular structures
Hierarchy
Large deformation mechanisms
Auxetic behavior
Instability
العنوانSpiderweb Honeycombs
النوعArticle
الصفحات218-227
رقم المجلد66
dc.accessType Abstract Only


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