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

Table 6

Peak-to-peak of each mode for manual patching in both cases.

Peak (dB)	Mode 1	Mode 2	Mode 3	Mode 4	Mode 5
W/o patch	−6.16	24.53	33.33	25.39	43.7
With 0.5	−25.87	8.394	30.5	14.01	39.09
Change	19.71↓	16.136↓	2.83↓	11.38↓	4.61↓
With 0.82	−34.69	20.12	22.7	12.82	33.2
Change	28.53↓	4.41↓	10.63↓	12.57↓	10.5↓