Electromagnetic theory for geophysical applications
SH Ward, GW Hohmann - 1987 - pubs.geoscienceworld.org
To comprehend the bases and the interpretational techniques of electrical prospecting
methods, requires first a knowledge of the tools of electromagnetic theory. The ability to …
methods, requires first a knowledge of the tools of electromagnetic theory. The ability to …
Efficient computation of Sommerfeld integral tails–methods and algorithms
A review is presented of the most effective methods for the computation of Sommerfeld
integral tails. Such integrals, which are often oscillatory, singular and divergent, commonly …
integral tails. Such integrals, which are often oscillatory, singular and divergent, commonly …
Multilayered media Green's functions in integral equation formulations
A compact representation is given of the electric-and magnetic-type dyadic Green's functions
for plane-stratified, multilayered, uniaxial media based on the transmission-line network …
for plane-stratified, multilayered, uniaxial media based on the transmission-line network …
3D finite-difference frequency-domain modeling of controlled-source electromagnetic data: Direct solution and optimization for high accuracy
R Streich - Geophysics, 2009 - library.seg.org
Three-dimensional modeling of marine controlled-source electromagnetic (CSEM) data is
vital to improve the understanding of electromagnetic (EM) responses collected in …
vital to improve the understanding of electromagnetic (EM) responses collected in …
Extrapolation methods for Sommerfeld integral tails
KA Michalski - IEEE Transactions on Antennas and …, 1998 - ieeexplore.ieee.org
A review is presented of the extrapolation methods for accelerating the convergence of
Sommerfeld-type integrals (ie semi-infinite range integrals with Bessel function kernels) …
Sommerfeld-type integrals (ie semi-infinite range integrals with Bessel function kernels) …
2D marine controlled-source electromagnetic modeling: Part 1—An adaptive finite-element algorithm
Y Li, K Key - Geophysics, 2007 - library.seg.org
In Part 1 of this work, we develop an adaptive finite-element algorithm for forward modeling
of the frequency-domain, marine controlled-source electromagnetic (CSEM) response of a …
of the frequency-domain, marine controlled-source electromagnetic (CSEM) response of a …
Map** thin resistors and hydrocarbons with marine EM methods, Part II—Modeling and analysis in 3D
The electromagnetic fields surrounding a thin, subseabed resistive disk in response to a
deep-towed, time-harmonic electric dipole antenna are investigated using a newly …
deep-towed, time-harmonic electric dipole antenna are investigated using a newly …
An efficient multi‐layer planar 3D fracture growth algorithm using a fixed mesh approach
E Siebrits, AP Peirce - International journal for numerical …, 2002 - Wiley Online Library
We present a planar three‐dimensional (3D) fracture growth simulator, based on a
displacement discontinuity (DD) method for multi‐layer elasticity problems. The method uses …
displacement discontinuity (DD) method for multi‐layer elasticity problems. The method uses …
Near-surface controlled-source electromagnetic induction: Background and recent advances
The CSEM method is sensitive to electrical conductivity averaged over the volume of ground
in which induced electric currents are caused to flow. Amongst the surface-based …
in which induced electric currents are caused to flow. Amongst the surface-based …
On the theory of sea-floor conductivity map** using transient electromagnetic systems
The electrical conductivity of the sea floor is usually much less than that of the seawater
above it. A theoretical study of the transient step-on responses of some common controlled …
above it. A theoretical study of the transient step-on responses of some common controlled …