Accurate and efficient computation of traveltimes and their spatial derivatives for 3D
heterogeneous media is essential in many areas of seismology, such as traveltime/slope …

Accurate and efficient eikonal solvers for heterogeneous media play an important role in
many areas of seismology, such as seismic tomography, migration, and earthquake …

We tackle the challenging problem of efficient and accurate seismic traveltime computation
in 3D anisotropic media by applying the fast-sweeping method to a discontinuous Galerkin …

Accurate and efficient traveltime computation with irregular surfaces is a prerequisite for
traveltime tomography, seismic location, and seismic exploration in mountainous areas. The …

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

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

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

Abstract 3D eikonal equation is a partial differential equation for the calculation of first-arrival
traveltimes and has been widely applied in many scopes such as ray tracing, source …

We present a multifunctional open‐source package—pyekfmm for eikonal‐based travel‐
time calculation in 2D and 3D heterogeneous anisotropic media based on the well …

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