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Fig. 12 | International Journal of Mechanical and Materials Engineering

Fig. 12

From: Mathematical modeling of auxetic systems: bridging the gap between analytical models and observation

Fig. 12

Plots of the Poisson’s ratios for honeycombs having h = 2, l = 1 for an initial configuration having an angle between the ligaments of θo = 150o plotted against strain (left) and against the angle θ (right). This initial conformation is a non-re-entrant system and thus not auxetic at small strains. The shaded region (grey) highlights a non-accessible range of angles

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