Application of CPML to two-dimension numerical simulation of nuclear electromagnetic pulse from air explosions

gao chun-xia; chen yu-sheng; wang liang-hou

Volume 17 Issue 07

Jul. 2005

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Article Navigation > High Power Laser and Particle Beams > 2005 > 17(07): 0-

gao chun-xia, chen yu-sheng, wang liang-hou. Application of CPML to two-dimension numerical simulation of nuclear electromagnetic pulse from air explosions[J]. High Power Laser and Particle Beams, 2005, 17.

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gao chun-xia, chen yu-sheng, wang liang-hou. Application of CPML to two-dimension numerical simulation of nuclear electromagnetic pulse from air explosions[J]. High Power Laser and Particle Beams, 2005, 17.

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Application of CPML to two-dimension numerical simulation of nuclear electromagnetic pulse from air explosions

1.
Second Graduate School,Research Institute of Chemical Defence,Beijing 102205,China;
2.
Northwest Institute of Nuclear Technology,P.O.Box 69-1,Xi'an 710024,China

Publish Date: 2005-07-15

Abstract

Abstract

The characteristics of different types of MPL were analyzed and the convolutional PML was chosen to truncate the open boundaries in numerical simulation of nuclear electromagnetic pulse from air explosions. On the basis of the split-field PML and the plane-wave solution of electromagnetic field in free space, the unsplit-field PML was constructed. By applying the convolutional theorem of Fourier transform, the discrete iterative equations of electromagnetic field components were presented in the CPML media under the two-dimension prolate-spheroidal coordinate system. The numerical results indicate that the method of CPML can largely decrease calculation errors of boundary fields.
- convolutional perfectly matched layer（cpml）,
- fdtd,
- electromagnetic pulse,
- nuclear explosions,
- truncation

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