File:Wave group space time.svg
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Summary
| Description | A bichromatic group of gravity waves on the surface of deep water. The number of waves for a group in space is different from the number of waves in for the same group in time, due to frequency dispersion: the group velocity is half the phase velocity, for the shown case. The upper (blue) line is a snapshot of the water surface at a certain moment in time. The lower (orange) line is a time trace of the surface elevation at a certain fixed horizontal position. For the shown case, there are 5¾ waves between two wave group nodes in space, while there a 11½ waves between two wave group nodes in time. |
| Date | |
| Source | Own work |
| Author | Kraaiennest (talk) |
| Reference | “Unsteady water wave modulations: fully nonlinear solutions and comparison with the nonlinear Schrödinger equation”, in Wave Motion, volume 29, 1999, DOI:, pages 341–361 |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:16, 4 May 2008 | | 573 × 121 (42 KB) | Kraaiennest | {{Information |Description=A bichromatic group of gravity waves on the surface of deep water. The number of waves for a group in space is different from the number of waves in for the same group in time, due to frequency dispersion: the group velocity is |
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