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https://hdl.handle.net/2142/81368
Description
Title
Low-Frequency Subsurface Electromagnetic Modeling
Author(s)
Chen, Siyuan
Issue Date
2001
Doctoral Committee Chair(s)
Chew, Weng Cho
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Geophysics
Language
eng
Abstract
Subsurface electromagnetic (EM) methods are applied to obtain underground information that is not available from surface observations. This research develops numerical methods for subsurface electromagnetic modeling. The dissertation includes: (1) fast one-dimensional forward and inverse modeling, which are commonly used in the oil industry, (2) a fast volume integral equation method, which is used to study the electromagnetic wave propagation in axisymmetric inhomogeneous media, and (3) a systematic approach to solving low-frequency scattering problems using the method of moments (MOM). These methods provide important modeling tools for the subsurface exploration.
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