21 #ifndef _WAVE_GAZEBO_PLUGINS_PHYSICS_HH_    22 #define _WAVE_GAZEBO_PLUGINS_PHYSICS_HH_ static double DeepWaterDispersionToWavenumber(double _omega)
Compute the deep water dispersion. 
A collection of static methods for various physics calculations. 
static double DeepWaterDispersionToOmega(double _wavenumber)
Compute the deep water dispersion.