Stochastic response surface method for studying microphoning and Lorentz detuning of accelerators cavities. Deryckere, J., Roggen, T., Masschaele, B., & De Gersem, H. In ICAP2012: Proceedings of the 11th International Computational Accelerator Physics Conference, pages 158–160, 2012.
abstract   bibtex   
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.
@InProceedings{   Deryckere_2012aa,
  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.},
  author        = {Deryckere, Jereon and Roggen, Toon and Masschaele, Bert and De Gersem, Herbert},
  booktitle     = {ICAP2012: Proceedings of the 11th International Computational Accelerator Physics Conference},
  file          = {Deryckere_2012aa.pdf},
  journal       = {ICAP2012: Proceedings of the 11th International Computational Accelerator Physics Conference},
  keywords      = {Lorentz Detuning,Stochastic Response Method,Maxwell's Equations},
  pages         = {158--160},
  title         = {Stochastic response surface method for studying microphoning and {Lorentz} detuning of accelerators cavities},
  year          = {2012}
}

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