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

Table 3

Natural frequency change according to patch location.

Peak (Hz)	Mode 1	Mode 2	Mode 3	Mode 4	Mode 5
Without patch	15	93	261	512	848
Located in 0.5	15	91	260	504	838
Change	0.00%	−2.15%	−0.38%	−1.56%	−1.18%
Located in 0.82	15	93	260	507	839
Change	0.00%	0.00%	−0.38%	−0.98%	−1.06%