Resonance Mechanism of Nonlinear Vibrational Multistable Energy Harvesters under Narrow-Band Stochastic Parametric Excitations

Figure 15

Contour surfaces: (a, b) pentastable energy harvester; (c, d) tristable energy harvester; (e, f) monostable energy harvester.

(a)

(b)

(c)

(d)

(e)

(f)