As NRF-MOE eduLab001 project,
May I share one computer model on ripple tank that I have designed for learning, for your use and further sharing-scaling up (a MP3 goal) with others interested in physics.
Download after login, registration is free.
http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=2067.0
I have also attached the computer model, requires at least version 1.5 of Java (JRE)

comments are welcome!
1. http://weelookang.blogspot.com/2011/01/ejs-open-source-ripple-tank.html or
2. http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=2067.0


Many thanks to
1. Professor Andrew Duffy for his original simulation http://www.compadre.org/osp/items/detail.cfm?ID=9989
2. Professor Juan M. Aguirregabiria for his simulation http://www.compadre.org/osp/items/detail.cfm?ID=7876
3. Professor Fu Kwun Hwang for his OSP learning network and  2000+ models
4. Innova JC , Chee Wah and Soo Kok for useful feedback to customize to their L&T requirements for their research in eduLab.