Scattering From Two-Dimensional Objects of Varying Shape Combining the Multilevel Fast Multipole Method (MLFMM) With the Stochastic Galerkin Method (SGM)

Zdravko Zubac,Dries Vande Ginste,Daniel De Zutter

doi:10.1109/lawp.2014.2333567

Scattering From Two-Dimensional Objects of Varying Shape Combining the Multilevel Fast Multipole Method (MLFMM) With the Stochastic Galerkin Method (SGM)

Zdravko Zubac, Dries Vande Ginste + Show 1 more

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https://doi.org/10.1109/lawp.2014.2333567

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Journal: IEEE Antennas and Wireless Propagation Letters	Publication Date: Jan 1, 2014
Citations: 27

Affiliation: iMinds, Ghent University

#Multilevel Fast Multipole Method #Stochastic Galerkin Method + Show 8 more

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Abstract

In this letter, the Multilevel Fast Multipole Method (MLFMM) is combined with the polynomial chaos expansion (PCE) approach to model the stochastic variations of a scatterer. In particular, it is demonstrated how the Stochastic Galerkin Method (SGM) can be combined with an MLFMM accelerated method of moments (MoM) and how the beneficial effects of the MLFMM for electromagnetically large scatterers are retained in the stochastic case.

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