A Transient, Axisymmetric Formulation for Modeling of Composite Materials

  • Min Eig Lee
  • Nathan Ida
Part of the Review of Progress in Quantitative Nondestructive Evaluation book series


The electrically small loop is of great practical importance in finding direction and probing magnetic fields. In [1], it was proposed for communication from above ground to observation points within coal mines. In this paper, the interactions of electromagnetic field, produced by a current-excited small loop, with lossy and lossless materials are investigated. The use of a small loop for the NDE of composite materials is also presented. To achieve these goals, solutions of interface problems become necessary. Since the exciting current is not restricted to be time-harmonic, we will solve the problems in the time domain. Also, to obtain economic requirements for computer resources, both storage and running time, a potential approach instead of vector field codes is developed.


Magnetic Field Intensity Small Loop Great Practical Importance Artificial Boundary Radiation Boundary Condition 
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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Min Eig Lee
    • 1
  • Nathan Ida
    • 1
  1. 1.Department of Electrical EngineeringUniversity of AkronAkronUSA

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