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Standing waves are a phenomenon that benefits greatly from using simulations alongside demonstrations in class, as they are often complex multidimensional phenomena that are changing with time.

  • Dan Russell of Penn State discusses the value of animated diagrams for showing standing wave phenomena, and has created animations to show particle motion in a standing wave in a tube, allowing comparison of the relative changes in pressure and displacement over time.

https://www.acs.psu.edu/drussell/Demos/StandingWaves/StandingWaves.html

 

  • Falstad has created a colorful simulation of standing wave modes in a square box.

http://www.falstad.com/modebox/

 

  • Andrew Duffy of Boston University has created a simulation of standing waves in a pipe, showing harmonics for both open and closed pipes.

http://physics.bu.edu/~duffy/HTML5/longitudinal_standing_wave.html