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Title: Stochastic Response Surface Method for Studying Microphoning and Lorenz Detuning of Accelerator Cavities
Authors: Deryckere, Jeroen ×
Roggen, Toon
Masschaele, Bert
De Gersem, Herbert #
Issue Date: 24-Aug-2012
Publisher: JACoW
Series Title: ICAP2012: Proceedings of the 11th International Computational Accelerator Physics Conference pages:158-160
Conference: International Computational Accelerator Physics Conference edition edition:11 location:Rostock, Germany date:19-24 August 2012
Article number: WEP11
Abstract: The dependence of the eigenfrequencies of a superconductive cavity on its geometry are represented by a stochastic response surface model. The model is constructed on the basis of both information on the eigenfrequencies as on their sensitivities with respect to the geometry. The eigenmodes are calculated using the 2D or 3D finite element method or finite integration technique. The stochastic representation does not only model uncertainties on the geometrical parameters but also inaccuracies of the eigenmode solvers, e.g. due to remeshing. Variations or optimisations of the geometry are carried out on the surrogate model. The model allows an efficient evaluation of microphoning and Lorentz detuning of accelerator cavities.
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Physics @ Kulak
× corresponding author
# (joint) last author

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