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      • Department of Electrical and Electronics Engineering
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      Comparative evaluation of absorbing boundary conditions using Green's functions for layered media

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      Author(s)
      Aksun, M. İrşadi
      Dural, G.
      Date
      1996-02
      Source Title
      IEEE Transactions on Antennas and Propagation
      Print ISSN
      0018-926X
      Electronic ISSN
      1558-2221
      Publisher
      Institute of Electrical and Electronics Engineers
      Volume
      44
      Issue
      2
      Pages
      152 - 156
      Language
      English
      Type
      Article
      Item Usage Stats
      203
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      196
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      Abstract
      Absorbing boundary conditions are comparatively studied using the Green's functions of the vector and scalar potentials for multilayer geometries and general sources. Since the absorbing boundaries are introduced as additional layers with predefined reflection coefficients into the calculation of the Green's functions, this approach provides an absolute measure of the effectiveness of different absorbing boundaries. The Green's functions are calculated using different reflection coefficients corresponding to different absorbing boundaries and compared to those obtained with no absorbing boundary. It is observed that the perfectly matched layer (PML) is by far the best among the other absorbing boundary conditions whose reflection coefficients are available.
      Keywords
      Boundary conditions
      Green's function methods
      Nonhomogeneous media
      Geometry
      Reflection
      Perfectly matched layers
      Finite difference methods
      Time domain analysis
      Differential equations
      Finite element methods
      Permalink
      http://hdl.handle.net/11693/25707
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/8.481641
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      • Department of Electrical and Electronics Engineering 4011
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