Direct Time-Domain Numerical Analysis for Transient Electromagnetic Fields

2002 ◽  
Vol 45 (2) ◽  
pp. 277-287 ◽  
Author(s):  
Shu YAN ◽  
Ming-Sheng CHEN ◽  
Jun-Mei FU
Keyword(s):  
Numerical Analysis ◽  
Electromagnetic Fields ◽  
Time Domain ◽  
Transient Electromagnetic

On: “Transient electromagnetic field computations for polygonal loops on layered earths” by A. P. Raiche (GEOPHYSICS, 52, 785–793, June 1987).

Geophysics ◽  
1989 ◽  
Vol 54 (11) ◽  
pp. 1501-1501
Author(s):  
Rainer Ignetik
Keyword(s):  
Electromagnetic Field ◽  
Electromagnetic Fields ◽  
Efficient Method ◽  
Time Domain ◽  
Integration Scheme ◽  
Important Work ◽  
Extended Source ◽  
Transient Electromagnetic ◽  
Efficient Calculation ◽  
The Time Domain

Raiche has overlooked the related and important work of Boerner and West (1984). Their work deals with the efficient calculation of electromagnetic fields of any extended source, including polygonal loops. Raiche’s complicated three‐level integration scheme could have been avoided by using Boerner and West’s more efficient method in the frequency domain, followed by fast transformation to the time domain by convolution filtering. These techniques are well known and used frequently to compute transients in complicated 3‐D models.

scholarly journals Finite element modelling of transient electromagnetic fields near steel-cased wells

2015 ◽  
Vol 202 (2) ◽  
pp. 901-913 ◽  
Author(s):  
Evan Schankee Um ◽  
Michael Commer ◽  
Gregory A. Newman ◽  
G. Michael Hoversten
Keyword(s):  
Finite Element ◽  
Electromagnetic Fields ◽  
Finite Element Modelling ◽  
Element Modelling ◽  
Transient Electromagnetic
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