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Table 2 Output voltage values at peak frequencies and their sums under open-circuit

From: L-shape triple defects in a phononic crystal for broadband piezoelectric energy harvesting

Defect

Value

59.99 kHz

60.01 kHz

60.03 kHz

L-triple PD1

20.44 V

11.22 V

20.39 V

L-triple PD2

21.46 V

2.40 V

20.36 V

L-triple PD3

11.13 V

33.24 V

10.36 V

Sum

53.03 V

46.8 V

51.11 V