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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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4032554 | PMC |
| http://dx.doi.org/10.1098/rspa.2013.0856 | DOI Listing |
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