计算散射场的高效多能级快速物理光学方法

2020 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) Pub Date : 2020-12-07 DOI:10.1109/NEMO49486.2020.9343658

Feng-hua Song, Yumao Wu, Yaqiu Jin

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引用次数: 1

摘要

针对电大包覆散射体，提出了多能级快速物理光学(MLFPO)来加速物理光学散射场的计算。该方法基于二次patch细分和多电平技术。用二次块对曲面进行离散化，用拉格朗日插值多项式逼近物理光学积分的振幅和函数。最后，通过数值算例验证了MLFPO方法在精度和效率上的有效性，并与Gordon方法进行了比较。

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The Efficient Multilevel Fast Physical Optics Method for Calculating the Scattered Field

For the electrically large coated scatterers, the multilevel fast physical optics (MLFPO) is proposed to accelerate the computation of the physical optical scattered fields. This method is based on the quadratic patch subdivision and multilevel technology. The surface is discretized by quadratic patches and the amplitude and function of physical optical integration are approximated by Lagrange interpolation polynomials. Finally, numerical example shows the effectiveness of the MLFPO method in accuracy and efficiency, which make a comparison between our method and the Gordon method.

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来源期刊

2020 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO)

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