Position Optimization of Passive Patch Based on Mode Contribution Factor for Vibration Attenuation of Asymmetric 1D Structure

Table 7

Peak-to-peak and size reduction for each mode for manual patching in both cases.

Peak (dB)	Mode 1	Mode 2	Mode 3	Mode 4	Mode 5
W/o patch	−2.72	26.15	35.52	27.21	30.67
With 0.5	−9.13	12.67	29.61	10.58	27.02
Change	6.41↓	13.48↓	5.91↓	16.63↓	6.23↓
With 0.82	−9.02	18.64	19.52	8.26	22.51
Change	6.3↓	7.51↓	16↓	18.95↓	10.74↓