Wavefront construction using waverays |

**Hector Urdaneta**

A method for computing first arrival traveltimes and amplitudes in
a general two-dimensional (2-D) velocity model is
presented. The method is the result of merging two
recently published ray tracing methods. The product is a
very robust algorithm that is able to produce broadband wave phenomena,
such as dispersion and wavelength dependent scattering.
Its ability to produce broadband wave phenomena, is achieved
by performing a wavelength-dependent smoothing of the velocity model
across wavefronts. In the limit of high frequency, the method
reduces to geometrical ray theory.
The method is able to illuminate areas of large geometrical
spreading where conventional ray tracing methods may give no
arrivals. The method is tested on synthetic complex
velocity models.

- Introduction
- LOMAX'S WAVERAYS

- NORSAR WAVEFRONT CONSTRUCTION
- WAVERAYS AND WAVEFRONTS

- Conclusions
- Bibliography
- About this document ...

2013-03-03