First-arrival traveltime is commonly used in problems that involve static correction, pre-stack
migration, earthquake location, seismic tomography, etc. The classical eikonal equation …

The topography‐dependent eikonal equation formulated in a curvilinear coordinate system
has recently been established and revealed as being effective in calculating first‐arrival …

Topography‐dependent eikonal equation (TDEE) formulated in a curvilinear coordinate
system has been recently established and is effective for calculating first‐arrival travel times …

The classical eikonal equation is commonly used in Cartesian coordinate system for
problems that involve static correction, prestack migration, earthquake location and seismic …

The classical eikonal equation is commonly used in Cartesian coordinate system for
problems that involve static correction, prestack migration, earthquake location and seismic …

Seismic modeling of the crust with nonflat topography can be made by first-arrival traveltime
tomography, which faces the challenge of an irregular free surface. A feasible way to deal …

For solving the eikonal equation in the regions near the curved earth's surface and the
curved interface, we find a second order upwind finite difference scheme that uses …

First-break traveltimes can be accurately computed by the finite-difference solution of the
eikonal equation using a new corner-node discretization scheme. It offers accuracy …

Irregular surfaces cause a number of problems for seismic processing and interpretation.
The problems lie in the proper treatment of topography in the first‐arrival travel‐time …

A finite-difference method for computing the first-arrival traveltimes by solving the eikonal
equation in the celerity domain has been developed. This algorithm incorporates the head …