Coupling through tortuous path narrow slot apertures into complex cavities

A hybrid finite-element method/method of moments (FEM/MOM) model has been implemented to compute the coupling of fields into a cavity through narrow slot apertures having depth. The model utilizes the slot model of Warne and Chen (1988, 1989, 1990, 1992), which takes into account the depth of the sl...

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Bibliographic Details
Published inIEEE transactions on antennas and propagation Vol. 48; no. 3; pp. 456 - 466
Main Authors Jedlicka, R.P., Castillo, S.P., Warne, L.K.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.03.2000
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Antennas
Apertures
Conductors
Dielectric losses
Electromagnetic coupling
Finite difference methods
Finite element method
Finite element methods
Holes
Integral equations
Joining
Laboratories
Mathematical analysis
Mathematical models
Moment methods
Time domain analysis
Walls
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Summary:A hybrid finite-element method/method of moments (FEM/MOM) model has been implemented to compute the coupling of fields into a cavity through narrow slot apertures having depth. The model utilizes the slot model of Warne and Chen (1988, 1989, 1990, 1992), which takes into account the depth of the slot, wall losses, and dielectrics with air gaps in the slot region. The cavity interior is modeled with the mixed-order covariant-projection elements of Crowley (1988). Results are given showing the accuracy and generality of the method for modeling geometrically complex slot-cavity combinations.
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ISSN:0018-926X
1558-2221
DOI:10.1109/8.841907