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Forum: Main CFD Forum

April 1, 2009, 02:27

Replies: 3

what is group and phase velocity?

Views: 2,196

Posted By panda

According to your 1D wave equation, u(x,t) is a...

According to your 1D wave equation, u(x,t) is a wave packet and both the group velocity and the phase velocity are included.

Forum: Main CFD Forum

March 31, 2009, 02:07

Replies: 3

what is group and phase velocity?

Views: 2,196

Posted By panda

Here a is the phase velocity for a single wave,...

Here a is the phase velocity for a single wave, group velocity is for a group of waves. Only in shallow water the group velocity is equal to the phase velocity.

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