A review of airborne electromagnetic methods with focus on geotechnical and hydrological applications from 2007 to 2017

E Auken, T Boesen, AV Christiansen - Advances in geophysics, 2017 - Elsevier
The purpose of this review is to report the major advancements that have been made within
the area of airborne electromagnetics (AEM) between 2007 and 2017, with a focus on …

Sparseloop: An analytical approach to sparse tensor accelerator modeling

YN Wu, PA Tsai, A Parashar, V Sze… - 2022 55th IEEE/ACM …, 2022 - ieeexplore.ieee.org
In recent years, many accelerators have been proposed to efficiently process sparse tensor
algebra applications (eg, sparse neural networks). However, these proposals are single …

Electromagnetic modeling using adaptive grids–Error estimation and geometry representation

K Spitzer - Surveys in Geophysics, 2024 - Springer
This review paper addresses the development of numerical modeling of electromagnetic
fields in geophysics with a focus on recent finite element simulation. It discusses ways of …

custEM: Customizable finite-element simulation of complex controlled-source electromagnetic data

R Rochlitz, N Skibbe, T Günther - Geophysics, 2019 - library.seg.org
We have developed the open-source toolbox custEM (customizable electromagnetic
modeling) for the simulation of complex 3D controlled-source electromagnetic (CSEM) …

A finite-element time-domain forward solver for electromagnetic methods with complex-shaped loop sources

J Li, X Lu, CG Farquharson, X Hu - Geophysics, 2018 - library.seg.org
ABSTRACT A finite-element time-domain (FETD) electromagnetic forward solver for a
complex-shaped transmitting loop is presented. Any complex-shaped source can be viewed …

Review on three-dimensional simulations of transient electromagnetic field

G Xue, J Chang, K Lei, K Chen - Journal of Earth Sciences and …, 2021 - jese.chd.edu.cn
Transient electromagnetic method (TEM) has been widely used in the mineral resources
detection and environment engineering exploration. Up to now, the most commonly used …

The RKFIT algorithm for nonlinear rational approximation

M Berljafa, S Guttel - SIAM Journal on Scientific Computing, 2017 - SIAM
The RKFIT algorithm outlined in [M. Berljafa and S. Güttel, SIAM J. Matrix Anal. Appl., 36
(2015), pp. 894--916] is a Krylov-based approach for solving nonlinear rational least …

Generalized rational Krylov decompositions with an application to rational approximation

M Berljafa, S Güttel - SIAM Journal on Matrix Analysis and Applications, 2015 - SIAM
Generalized rational Krylov decompositions are matrix relations which, under certain
conditions, are associated with rational Krylov spaces. We study the algebraic properties of …

3-D inversion based on the particle swarm optimization-quasi-Newton hybrid algorithm for SOTEM

G Xue, Y He, W Chen, X Wu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The short offset transient electromagnetic method (SOTEM) has become one of the main
methods for coal hydrogeology investigations and mineral explorations due to its …

Fully anisotropic 3-D EM modelling on a Lebedev grid with a multigrid pre-conditioner

P Jaysaval, DV Shantsev… - Geophysical Journal …, 2016 - academic.oup.com
We present a numerical algorithm for 3-D electromagnetic (EM) simulations in conducting
media with general electric anisotropy. The algorithm is based on the finite-difference …