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Evan Um (엄찬기)
Evan Um (엄찬기)
Other names엄찬기
Earth and Environmental Sciences, Lawrence Berkeley National Lab
Verified email at lbl.gov
Title
Cited by
Cited by
Year
3D time-domain simulation of electromagnetic diffusion phenomena: A finite-element electric-field approach
ES Um, JM Harris, DL Alumbaugh
Geophysics 75 (4), F115-F126, 2010
2072010
On the physics of the marine controlled-source electromagnetic method
ES Um, DL Alumbaugh
Geophysics 72 (2), WA13-WA26, 2007
1712007
Transient-electromagnetic finite-difference time-domain earth modeling over steel infrastructure
M Commer, GM Hoversten, ES Um
Geophysics 80 (2), E147-E162, 2015
1262015
Finite element modelling of transient electromagnetic fields near steel-cased wells
ES Um, M Commer, GA Newman, GM Hoversten
Geophysical Journal International 202 (2), 901-913, 2015
912015
Efficient pre-conditioned iterative solution strategies for the electromagnetic diffusion in the Earth: finite-element frequency-domain approach
ES Um, M Commer, GA Newman
Geophysical Journal International 193 (3), 1460-1473, 2013
812013
An iterative finite element time-domain method for simulating three-dimensional electromagnetic diffusion in earth
ES Um, JM Harris, DL Alumbaugh
Geophysical Journal International 190 (2), 871-886, 2012
712012
Numerical modeling analysis of short-offset electric-field measurements with a vertical electric dipole source in complex offshore environments
ES Um, DL Alumbaugh, JM Harris, J Chen
Geophysics 77 (5), E329-E341, 2012
652012
A strategy for coupled 3D imaging of large-scale seismic and electromagnetic data sets: Application to subsalt imaging
ES Um, M Commer, GA Newman
Geophysics 79 (3), ID1-ID13, 2014
592014
Ground penetrating radar for fracture mapping in underground hazardous waste disposal sites: A case study from an underground research tunnel, South Korea
SH Baek, SS Kim, JS Kwon, ES Um
Journal of Applied Geophysics 141, 24-33, 2017
412017
A parallel finite-element time-domain method for transient electromagnetic simulation
H Fu, Y Wang, ES Um, J Fang, T Wei, X Huang, G Yang
Geophysics 80 (4), E213-E224, 2015
312015
Fracture propagation, fluid flow, and geomechanics of water-based hydraulic fracturing in shale gas systems and electromagnetic geophysical monitoring of fluid migration
J Kim, ES Um, GJ Moridis
SPE Hydraulic Fracturing Technology Conference and Exhibition, SPE-168578-MS, 2014
302014
A tetrahedral mesh generation approach for 3D marine controlled-source electromagnetic modeling
ES Um, SS Kim, H Fu
Computers & Geosciences 100, 1-9, 2017
262017
Casing Integrity Mapping using Top-Casing Electrodes and Surface Based Electromagnetic Fields
MJ Wilt, ES Um, E Nichols, CJ Weiss, G Nieuwenhuis, K MacLennan
Geophysics 85 (1), E1-E13, 2019
252019
Finite-element analysis of top-casing electric source method for imaging hydraulically active fracture zones
ES Um, J Kim, MJ Wilt, M Commer, SS Kim
Geophysics 84 (1), E23-E35, 2019
232019
3D borehole-to-surface and surface electromagnetic modeling and inversion in the presence of steel infrastructure
ES Um, J Kim, M Wilt
Geophysics 85 (5), E139-E152, 2020
202020
Three-dimensional finite-element time-domain modeling of the marine controlled-source electromagnetic method
ES Um
Stanford University, 2011
182011
On the physics of galvanic source electromagnetic geophysical methods for terrestrial and marine exploration
E Um, D Alumbaugh
Univ. of Wisconsin, Madison, WI (United States), 2007
182007
Real‐time deep‐learning inversion of seismic full waveform data for CO2 saturation and uncertainty in geological carbon storage monitoring
ES Um, D Alumbaugh, Y Lin, S Feng
Geophysical Prospecting 72 (Machine learning applications in geophysical …, 2023
172023
Integrated simulation of vertical fracture propagation induced by water injection and its borehole electromagnetic responses in shale gas systems
J Kim, ES Um, GJ Moridis
Journal of Petroleum Science and Engineering 165, 13-27, 2018
172018
Deep learning multiphysics network for imaging CO2 saturation and estimating uncertainty in geological carbon storage
ES Um, D Alumbaugh, M Commer, S Feng, E Gasperikova, Y Li, Y Lin, ...
Geophysical Prospecting 72 (Machine learning applications in geophysical …, 2023
102023
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