Stabilization of the modelling of a radio-frequency quadrupole based on quasi-Helmoltz projectors

Raucy, Christopher;Andriulli, Francesco;Craeye, Christophe
(2015) International Conference on Electromagnetics in Advanced Applications — Location: Torino, Italy (7.September.2015)

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Authors
  • Raucy, ChristopherUCLouvain
    Author
  • Andriulli, FrancescoTelecom Bretagne
    Author
  • Craeye, ChristopheUCLouvain
    Author
Abstract
This paper presents a stabilization ofa Radio-Frequency Quadrupole simulation based on the quasi-Helmholtz projectors. A boundary element method applied to this case undergoes a low-frequency breakdown i.e the associated system of equations becomes increasingly ill-conditioned fordecreasing frequencies. This in practice implies that the convergence of iterative methods which are used to solve the linear system is poor. This paper reports that a quasi-Helmholtz projectors based stabilization is sucient to handle the level of realismrequired by applications.
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Raucy, C., Andriulli, F., & Craeye, C. (2015). Stabilization of the modelling of a radio-frequency quadrupole based on quasi-Helmoltz projectors. International Conference on Electromagnetics in Advanced Applications, Torino, Italy. https://hdl.handle.net/2078.5/220937