Modeling of Electromagnetic and Elastic Wave Fields in Complex Geophysical Sensing Environments
Chen, Yong Hua
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https://hdl.handle.net/2142/81202
Description
Title
Modeling of Electromagnetic and Elastic Wave Fields in Complex Geophysical Sensing Environments
Author(s)
Chen, Yong Hua
Issue Date
1997
Doctoral Committee Chair(s)
Chew, Weng C.
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)
Engineering, Electronics and Electrical
Language
eng
Abstract
The last topic of the thesis deals with the modeling of a radio frequency antenna used for nuclear magnetic resonance (NMR) logging. A 3D finite-difference formulation is presented based on the second-order partial differential vector wave equation of the magnetic fields in the frequency domain. The new code can be used to model very complex geometries with high medium contrast. Interesting simulation results are obtained for the NMR antenna.
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