Study on Vibration Damping Mechanism of Shoe Sole with Alternating Lattice Structure Using Vibration Level Difference

Table 1

Natural frequencies from experimental and numerical simulation results.

Mode no.	1	2	3	4	5	6	7	8	9	10
Experimental results (Hz)	47.6	77.9	116.6	154.9	193.1	208.1	250.3	279.7	318.2	351.9
Numerical results (Hz)	55.9	81.9	114.3	161.1	185.3	202.2	240.9	274.9	312.9	337.5
ΔR%	−14.85	−4.88	2.01	−3.85	4.21	2.92	3.90	1.75	1.69	4.27