Multifrequency Piezoelectric Energy Harvester Based on Polygon-Shaped Cantilever Array

Figure 6

Strain characteristics at the cantilevers; (a) at ; (b) at ; (c) at ; (d) at ; (e) at ; (f) at ; (g) at ; (h) at .

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)