Fast evaluation of electromagnetic scattering problems for flat surface targets

Ding Jianbo; Liao Cheng; Sheng Nan

doi:10.11884/HPLPB201527.063201

Volume 27 Issue 06

May 2015

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Article Navigation > High Power Laser and Particle Beams > 2015 > 27(06): 063201

Cui Bo, He Shukai, Liu Hongjie, et al. Neutron spectrum measurement for picosecond laser pulse neutron source experiment with liquid scintillator detector[J]. High Power Laser and Particle Beams, 2016, 28: 124005. doi: 10.11884/HPLPB201628.160414

Citation:

Ding Jianbo, Liao Cheng, Sheng Nan. Fast evaluation of electromagnetic scattering problems for flat surface targets[J]. High Power Laser and Particle Beams, 2015, 27: 063201. doi: 10.11884/HPLPB201527.063201

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Fast evaluation of electromagnetic scattering problems for flat surface targets

doi: 10.11884/HPLPB201527.063201

1.
Institute of Electromagnetics,Southwest Jiaotong University,Chengdu 610031,China

Received Date: 2014-12-27
Rev Recd Date: 2015-03-09
Publish Date: 2015-05-26

Abstract

Abstract

Based on traditional shooting and bouncing rays (SBR), the ray-tracing procedure and intersection tests were improved for the flat surface scatterers. Combined with SBR, a fast method of ray/triangle intersection was studied. The surface of the targets was subdivided by triangles twice, obtaining low density of triangles used for intersection tests and high density of triangles used for ray tracing as the original ray tubes. After ray-tracing program, the electromagnetic scattering problem could be solved by physical optics (PO) integration. The results of the proposed method were compared with those in the references. The good agreement between the results proved the preciseness of this method. And the efficiency of the method was proved by the results of different densities of subdivisions.
- shooting and bouncing rays,
- ray/triangle intersection,
- ray-tracing,
- physical optics,
- electromagnetic scattering

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