Figure 4.
Experiments to the two theoretical concepts for S‐ABMs are simulated in Figure 2. a) The images of S‐ABM fabricated for experimental verification of the width model and the coiled shape model. b) and c) The heatmap images of the frequency response characteristics of the vibration displacement of the width model. d) the frequency response characteristics of the vibration displacement of the coiled shape model. e) the coiled in 3/4 turns. f) the coiled in 13/4 turns. g) the coiled in 23/4 turns.