Figure 1
From: A concave four-arc honeycomb with enhanced stiffness and desirable negative Poisson’s effect

(a) ISSH array rules; (b) ISSH unit cell43; (c) the change process; (d) CFAH unit cell.
From: A concave four-arc honeycomb with enhanced stiffness and desirable negative Poisson’s effect

(a) ISSH array rules; (b) ISSH unit cell43; (c) the change process; (d) CFAH unit cell.