File:Wave group.gif

DescriptionWave group.gif English: Frequency dispersion of surface gravity waves on deep water. The red square moves with the phase velocity, and the

As... -> wave_opposite-group-phase-velocity.gif Bash commands for postprocessing (bash, ImageMagick, gifsicle): $ convert wave_opposite-group-phase-velocity

choice. This image is a derivative work of the following images: File:Wave group.gif licensed with Cc-by-sa-4.0,3.0,2.5,2.0,1.0, GFDL 2018-09-26T15:27:43Z

This animation was created by F. Ardhuin and represents the wave groups generated by wave trains of same propagation directions. I, the copyright holder

but an identical combined red wave function and group velocity. The center of the wave packet travels at the central group velocity indicated by the vertical