Resonant frequency computation of waveguide loaded cavity with boundary element method

Li Jisan; Wang Yong; Liu Wenxin

Volume 24 Issue 01

Jun. 2016

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(01): 3-4

wang wen-dou, xie wei-ping, song sheng-yi, et al. Transverse space-charge flow in four magnetically insulated transmission lines[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

Li Jisan, Wang Yong, Liu Wenxin. Resonant frequency computation of waveguide loaded cavity with boundary element method[J]. High Power Laser and Particle Beams, 2012, 24: 3-4.

wang wen-dou, xie wei-ping, song sheng-yi, et al. Transverse space-charge flow in four magnetically insulated transmission lines[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

Li Jisan, Wang Yong, Liu Wenxin. Resonant frequency computation of waveguide loaded cavity with boundary element method[J]. High Power Laser and Particle Beams, 2012, 24: 3-4.

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Resonant frequency computation of waveguide loaded cavity with boundary element method

1.
Key Laboratory of High Power Microwave Sources and Technologies,Institute of Electronics,Chinese Academy of Sciences,Beijing 100190,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100039,China

Received Date: 2011-10-10
Publish Date: 2012-01-15

Abstract

Abstract

A simple and effective method based on boundary element method, is proposed for computer determination of the resonant frequency and field distribution of the waveguide-loaded cavity in klystron output system. This paper calculates a common rectangular-waveguide-loaded rectangular cavity. The TE10 mode wave is used as the input wave, and the Robin-type boundary condition is used in the output waveport. The maximum of the electric field is searched, which corresponds to the eigenfrequency. The obtained eigenfrequency is lower than that of the cavity of the same size and loaded with no waveguide, and the field distribution is under the influence of coupling hole. It is shown that this method needs less computing time and resources in solving the half-open system like a waveguide-loaded cavity with high precision.
- bem,
- waveguide loaded cavity,
- resonant frequency,
- field distribution

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