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A hybrid technique combining the multi-level fast multipole algorithm (MLFMA) and the physical optics (PO) is presented for analyzing scattering and radiation by electrically large structures. Based on the previously proposed hybrid technique, an extra oct-tree structure is built for the MoM region to accelerate the solving process. What is more, an iteration scheme is proposed to further enhance...
The OpenMP-CUDA Accelerated Moment Method (MoM) for the electromagnetic scattering by 3-D arbitrarily shaped homogeneous dielectric objects is presented. In the analysis, We use multi-GPUs controlled by OpenMP to accelerate the matrix filling and solving procedure. Specially, we adopt the well-behaved threshold-based incomplete LU preconditioner (ILUT) to improve the iteration convergence. Numerical...
A hybrid technique combining the multilevel fast multipole algorithm (MLFMA) and the physical optics (PO) is presented for analyzing scattering and radiation by electrically large structures. In this technique, MLFMA is used to characterize the complex parts such as antennas that cannot be analyzed by high-frequency asymptotic methods. The large smooth bodies are calculated using PO method because...
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