software to demonstrate addition of SHO's


by issacnewton
Tags: addition, demonstrate, software
issacnewton
issacnewton is offline
#1
Nov14-11, 08:45 AM
P: 606
Hi

I am looking for a simulation software to demonstrate addition of waves with different amplitudes, frequencies , velocities. So I should be able to define , say , 2 to 3 component
waves and the output will give me the addition of these waves. I think showing actual
simulation helps students learn about phase and group velocities.......

if anybody knows such software , preferably for windows , please let me know.......

thanks
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physics girl phd
physics girl phd is offline
#2
Nov15-11, 02:39 PM
physics girl phd's Avatar
P: 938
Most I know of are additions of harmonics (aka. fourier synthesis): Decent ones with different functions are on PhET and on the more obscure NTNUJava Physics simulation sites.

One that allows you to change frequency and direction of to co-linear waves is on NTNUJava, but doesn't include the possibility of dispersion.

Edited to add: This one might also serve you well!
issacnewton
issacnewton is offline
#3
Nov15-11, 07:31 PM
P: 606
thanks for the reply. what about mathematica ? can it do these things ? i am currently
downloading it.


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