Resonance and damping in drop-cantilever interactions

Droplet and cantilever systems are often studied to further applications for energy-harvesting technologies and to model the leaf-raindrop dynamics. This paper examines the interplay between the droplet and cantilevers of varying length by measuring the oscillation frequency, phase shift, maximum displacement, and damping coefficients. There is a significant difference in the measured values when resonance happens between the droplet and cantilever of a certain length. At the cantilever resonance length, high damping coefficients are attributed to the opposing inertial forces of the droplet and cantilever.