Answer Happy

(a) Honeycomb structures are natural or man-made material resembling the shape of a honeycomb to achieve minimal weight and minimal material cost. Sketch and discuss the stress-strain relationship of a cellular solid loaded in compression, point out the three deformation regimes on the curve, and briefly discuss the applications of cellular solids.

(b) Please list at least two criteria for the selection of honeycomb structures, and make the corresponding explanation.