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Buckling response of architectured columns: controlling instability across the scales through a rational design.

Abstract : In the present study, we combine numerical simulations with compressive testing of 3D printed polymer structures to investigate the buck ling response of a slender column, whose architecture employs unit-cell lattices which in turn consist of a sequence of columns uniformly spaced. The lower-scale columns are both of comparable size with the macro-geometry and a priori susceptible to buckling. Within the accuracy of data, the experimental trends are consistent with the numerical simulations and show that both the buckling and the post-buckling response at the macroscopic (i.e. continuum) level are dependent on the lower-scale microstructure.
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Submitted on : Friday, October 19, 2018 - 1:57:20 PM
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  • HAL Id : hal-01899349, version 1

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Gabriella Tarantino, Matthieu Caruel, Kostas Danas. Buckling response of architectured columns: controlling instability across the scales through a rational design.. 13e colloque national en calcul des structures, Université Paris-Saclay, May 2017, Giens, Var, France. ⟨hal-01899349⟩

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