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.
I have also attached the computer model, requires at least version 1.5 of Java (JRE)

comments are welcome!
1. or

Many thanks to
1. Professor Andrew Duffy for his original simulation
2. Professor Juan M. Aguirregabiria for his simulation
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.