波導加載腔的場計算
FIELD COMPUTATION OF WAVEGUIDE LOADED CAVITY
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摘要: 本文基于邊界元法(BEM),提出了一種新的計算波導加載諧振腔的諧振頻率、外Q值和場分布的數(shù)值計算方法。計算表明,用BEM來處理波導加載腔這樣的開放系統(tǒng),具有計算時間短、機器內(nèi)存少和精度高等優(yōu)點。
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關(guān)鍵詞:
- 邊界元法; 諧振頻率; 外Q值; 場分布
Abstract: This paper presents a new numerical method, which is based on boundary element method (BEM), for the computation of resonant frequency, external Q value and field distribution of the waveguide loaded cavity. It is shown that BEM has mamy advantages as little computing time, less storage and high precision, etc. in solving the open system like waveguide loaded cavity. -
Kroll M N, Yu D U L. Computer determination of the external Q and resonant frequency of waveguide loaded cavities. Particle Accelerators, 1990, 34: 231-250.[2]Kroll M N, Xin-Tian Lin. Efficient computer determination of the properties of waveguide loaded cavities. SLAC-PUB-5296, 1990, July.[3]Hajime Igarashi, Yasuyuki Sugawara, TosMhisa Honma. A numerical computation of external Q of resonant cavities[J].IEEE Trans. on Magnetics.1995, 31(3):1642-1645[4]倪光正,錢秀英.電磁場數(shù)值計算,北京:高等教育出版社,1996,第8.3節(jié).[5]李忠元.電磁場邊界元素法.北京:北京工業(yè)學院出版社,1987,第3.3節(jié).[6]張雪陽,曾余庚.Helmholtz方程的邊界元解法.西安:西北電訊工程學院學報,1984, 18(4): 42-45. -
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