Modified FDM with cartesian expansions for electromagnetic scattering from PEC targets
Qiong Wang,
Jun Wang
Abstract:In this article, a modified scheme of the fast dipole method (FDM) is proposed based on the Cartesian tensor. To achieve separation between the field and the source, the Taylor series used in the FDM is an incomplete second‐order expansion, which limits computational accuracy and flexibility. To address this issue, a Cartesian tensor is employed to expand the interactions between the far‐group pairs. This approach allows for a complete expansion of any order and offers flexibility in precision control, enablin… Show more
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