Seismic Rays and Tubes
Seismic Rays and Tubes :
A seismic ray is a path in a 3D space along which seismic energy can be considered to propagate like a particle. For highfrequency seismic signals, this is often a useful approximation and simplification. The ray vector is oriented perpendicular to the wave front, pointing into the direction of wave propagation, and marking behind it the "ray trace". The propagation of seismic waves can be easily modeled as the propagation of seismic rays following Snell's Law (see section 2.5.2 in Chapter 2 of this Manual). Neighboring rays form a ray tube and the energy flux is confined within its walls. See also Chapman (2002)
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