Title :
Accuracy of 3-D radiation boundary conditions for use with the vector Helmholtz equation
Author :
Peterson, Andrew F.
Author_Institution :
Sch. of Electr. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
fDate :
3/1/1992 12:00:00 AM
Abstract :
Radiation boundary conditions developed for use with the vector Helmholtz equation in three dimensions are reviewed, including an alternate second-order radiation condition that preserves the symmetry of the matrix operator arising within a numerical implementation. The accuracy of these conditions is systematically tested as a function of the boundary location using outward-propagating spherical harmonics
Keywords :
boundary-value problems; electromagnetic wave scattering; alternate second-order radiation condition; electromagnetic scattering; matrix operator; numerical implementation; outward-propagating spherical harmonics; radiation boundary conditions; three dimensions; vector Helmholtz equation; Boundary conditions; Conductivity; Equations; Finite difference methods; Frequency; Impedance; Moment methods; Polarization; Radar cross section; Time domain analysis;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
