Introduction of curvilinear higher-order basis functions for MoM and MLFMM in FEKO

Abstract

This paper presents the extension of the method of moments (MoM) and multilevel fast multipole method (MLFMM) in FEKO to include higher-order basis functions (HOBFs) on curvilinear triangular patches. HOBFs reduce the number of unknowns, memory and run-time compared to the traditional planar Rao-Wilton-Glisson (RWG) basis functions. 

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