Just a few things I found that might help you out / interest you.
(cymatics / chladni plates)
http://news.povray.org/povray.binaries.images/thread/%3C3e85f01f%40news.povray.org%3E/
http://manfredkraft.blogspot.com/2016/01/biorhythm-cymatics-23.html
https://www.youtube.com/watch?v=ATErEWDajvw
http://paulbourke.net/geometry/chladni/