Nadav Cohen, PhD
PhD Research: Theoretical and experimental study of double-well energy harvesters
Fields of interest: Designing educational experiments
Bistable vibration based energy harvesters
Single Degree of freedom bistable oscillator’s response to sinusoidal excitation – 300 fps video
[youtube_sc url=”http://www.youtube.com/watch?v=v0PMQZ_GYes” width=”540″ height=”360″ autoplay=”1″ fs=”1″ loop=”1″ rel=”0″]Two degrees of freedom bistable – frequency up-conversion
High frequency mode |
Low frequency mode |
Period three response of a bistable – bilinear oscillator exhibiting spatiotemporal symmetry |
A Period one asymmetric response arising due to symmetry breaking bifurcation |
Evolution in time of a bistable – bilinear oscillator exhibiting spatiotemporal symmetry
Slow Fast decomposition of bistable response
Educational Experiment setup – Modes of a multi degree of freedom system
First Modal response – 300 fps |
Second Modal response – 300 fps |
Third Modal response – 300 fps |
Fourth Modal response – 300 fps |
Zero displacement of second mass