Eikonet: Solving the eikonal equation with deep neural networks
JD Smith, K Azizzadenesheli… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The recent deep learning revolution has created enormous opportunities for accelerating
compute capabilities in the context of physics-based simulations. In this article, we propose …
compute capabilities in the context of physics-based simulations. In this article, we propose …
A neural network based global traveltime function (GlobeNN)
Global traveltime modeling is an essential component of modern seismological studies with
a whole gamut of applications ranging from earthquake source localization to seismic …
a whole gamut of applications ranging from earthquake source localization to seismic …
Neural Eikonal solver: Improving accuracy of physics-informed neural networks for solving eikonal equation in case of caustics
The concept of physics-informed neural networks has become a useful tool for solving
differential equations due to its flexibility. A few approaches use this concept to solve the …
differential equations due to its flexibility. A few approaches use this concept to solve the …
分区多步最短路径极值法多值多次反射波追踪
唐小平， 白超英， 刘宽厚 - 地球物理学进展, 2011 - dsjyj.com.cn
基于网格单元扩展的射线追踪算法, 如: 较为流行的有限差分解程函方程法和最短路径法均是
建立在费马(最小走时) 原理基础上的射线追踪算法, 只能进行单值(最小走时) …
建立在费马(最小走时) 原理基础上的射线追踪算法, 只能进行单值(最小走时) …
The quadratic Wasserstein metric with squaring scaling for seismic velocity inversion
The quadratic Wasserstein metric has shown its power in measuring the difference between
probability densities, which benefits optimization objective function with better convexity and …
probability densities, which benefits optimization objective function with better convexity and …
Complexity in microseismic phase identification: full waveform modelling, traveltime computations and implications for event locations within the Groningen gas field
BDE Dando, V Oye, SP Näsholm… - Geophysical Journal …, 2019 - academic.oup.com
Determining accurate microseismic event locations at the Groningen gas field in the
Netherlands has important implications for understanding the ongoing induced seismicity …
Netherlands has important implications for understanding the ongoing induced seismicity …
Wave-equation-based travel-time seismic tomography – Part 2: Application to the 1992 Landers earthquake (Mw 7.3) area
High-resolution 3-DP and S wave crustal velocity and Poisson's ratio models of the 1992
Landers earthquake (M w 7.3) area are determined iteratively by a wave-equation-based …
Landers earthquake (M w 7.3) area are determined iteratively by a wave-equation-based …
Theory and observations–Body waves: Ray methods and finite frequency effects
Since the first seismic signal (Figure 1) recorded at Potsdam (Germany) from an earthquake
in Japan, accumulation of seismic data (as shown by the stack of thousand of records …
in Japan, accumulation of seismic data (as shown by the stack of thousand of records …
Study on the Improved Method for Calculating Traveltime and Raypath of Multistage Fast Marching Method
Q Wu, HZ Mi, YB Li, YG Li - Minerals, 2022 - mdpi.com
The traditional Fast Marching Method (FMM) based on the finite-difference scheme can
solve the traveltime of first arrivals; however, the accuracy and efficiency of FMM are usually …
solve the traveltime of first arrivals; however, the accuracy and efficiency of FMM are usually …
3D simultaneous traveltime inversion for velocity structure, hypocenter locations, and reflector geometry using multiple classes of arrivals
C Bai, G Huang, X Li, S Greenhalgh - Pure and Applied Geophysics, 2015 - Springer
Traditionally, traveltime tomography entails inversion of either the velocity field and the
reflector geometry sequentially, or the velocity field and the hypocenter locations …
reflector geometry sequentially, or the velocity field and the hypocenter locations …