Journal
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
Volume 470, Issue 2167, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rspa.2013.0856
Keywords
instability; cellular structure; beam-column; in-plane loading
Categories
Funding
- Qatar National Research Foundation (QNRF) [NPRP 09-145-2-061, NPRP 5-1298-2-560]
- NSF CMMI [1149750]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1149750] Funding Source: National Science Foundation
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An approach to obtain analytical closed-form expressions for the macroscopic 'buckling strength' of various two-dimensional cellular structures is presented. The method is based on classical beam-column end-moment behaviour expressed in a matrix form. It is applied to sample honeycombs with square, triangular and hexagonal unit cells to determine their buckling strength under a general macroscopic in-plane stress state. The results were verified using finite-element Eigenvalue analysis.
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