142.8MHz次谐波聚束腔的结构优化设计
Structure optimization of 142.8MHz sub-harmonic buncher
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摘要: 使用二维有限差分法分析软件Superfish和三维有限积分法分析软件MAFIA，对142.8MHz次谐波聚束腔的结构进行了模拟和优化研究，给出了聚束腔结构优化设计的步骤和方法，确定了优化后聚束腔的基本结构。分析比较了Superfish和MAFIA两个软件的模拟优化结果，得出了基本一致的结论。还探讨了Superfish和MAFIA在聚束腔设计中的应用方法。Abstract: The structure optimization of 142.8MHz subharmonic buncher has been carried out with two-dimensional Finite Ｄifference Ｍethod software Superfish and threedimensional Finite Integration Method software MAFIA. The method of optimizing the cavity structure is presented in this paper, and the optimized structure of the cavity is also decided. The simulation results of Superfish and MAFIA are analyzed and compared, and they are consistent with the design data. In addition, the application of methods of Superfish and MAFIA in the cavity design are also investigated.
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Key words:
- beam dynamics /
- sub-harmonic buncher /
- superfish /
- mafia /
- finite difference method /
- finite integration method
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