Conformal convolutional perfectly matched layer with uniform stability

Wang Yue; Wang Jianguo; Zhang Dianhui; Chen Zaigao; Cai Libing; Qiao Hailiang

doi:10.3788/HPLPB20132502.0441

Volume 25 Issue 02

Dec. 2012

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(02): 441-445

Zhang Guowei, Cong Peitian, Qiao Kailai, et al. Loss characteristics of glassy alloy magnetic core under pulsed magnetization[J]. High Power Laser and Particle Beams, 2012, 24: 1247-1250. doi: 10.3788/HPLPB20122405.1247

Citation:

Wang Yue, Wang Jianguo, Zhang Dianhui, et al. Conformal convolutional perfectly matched layer with uniform stability[J]. High Power Laser and Particle Beams, 2013, 25: 441-445. doi: 10.3788/HPLPB20132502.0441

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Conformal convolutional perfectly matched layer with uniform stability

doi: 10.3788/HPLPB20132502.0441

1.
Northwest Institute of Nuclear Technology,Xi’an 710024,China;
2.
School of Electronic and Information Engineering,Xi’an Jiaotong University,Xi’an 710049,China

Received Date: 2012-04-20
Rev Recd Date: 2012-06-29
Publish Date: 2013-02-10

Abstract

Abstract

Based on conformal construction of the physical model in the three-dimensional orthogonal mesh system, an integral-based conformal convolutional perfectly matched layer(CPML) algorithm is given for solving the open port truncation problem when the enlarged cell technique combining with conformal finite-difference time-domain (ECT-CFDTD) method is used to simulate the wave propagation inside a hollow waveguide, and the algorithm has the same numerical stability as the ECT-CFDTD method. For the evanescent wave long-time propagation problems in a waveguide, several numerical simulations are done to analyse the reflection error by conducting sweeps of constitutive parameters of the integral-based conformal CPML. Numerical results show that the integral-based conformal CPML can be used for efficiently truncating the open port of the waveguide.
- waveguide,
- open port,
- conformal,
- convolutional perfectly matched layer,
- uniform stability

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