[天线]Multilevel Fast Multipole Method Solution of Volume Integral Equations Using.....

1686 IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 52, NO. 7, JULY 2004 NU6Kh7  
Multilevel Fast Multipole Method Solution of Volume 9h{:!  
Integral Equations Using Parametric t+Q|l&|0  
Geometry Modeling 0OoO cc  
Kubilay Sertel, Member, IEEE, and John L. Volakis, Fellow, IEEE w1/T>o  
Abstract—We present a multilevel fast multipole method |<o>$;mZ  
(MLFMM) solution for volume integral equations dealing with %v6]>FNP'3  
scattering from arbitrarily shaped inhomogeneous dielectrics. )}g4Rvr  
The solution accuracy, convergence, computer time and memory \Q BpgMi(  
savings of the method are demonstrated. Previous works have  z]R!l%`  
employed the MLFMM for impenetrable targets. In this paper, 8Nl|\3nl-  
we integrate the MLFMM with the volume integral equation Hi 0df3t  
method for scattering by inhomogeneous targets. Of particular M#gGD-  
importance is the use of curvilinear elements for better volume ]9l%  
representation and the use of simple basis functions for ease of K^1O =1gY  
parallelization. $9u  
Index Terms—Conformal geometry modeling, electromagnetic >ehWjL`8  
scattering b .. ?tM].\  
%A Du[M.  

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