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| TUPAG14 |
Constrained Multi-Objective Shape Optimization of Superconducting RF Cavities to Counteract Dangerous Higher Order Modes |
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- M. Kranjcevic, P. Arbenz
ETH, Zurich, Switzerland
- A. Adelmann
PSI, Villigen PSI, Switzerland
- S. Gorgi Zadeh, U. van Rienen
Rostock University, Faculty of Computer Science and Electrical Engineering, Rostock, Germany
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High current storage rings, such as the Z operating mode of the FCC-ee, require superconducting radio frequency (RF) cavities that are optimized with respect to both the fundamental mode and the dangerous higher order modes. In order to optimize the shape of the RF cavity, a constrained multi-objective optimization problem is solved using a massively parallel implementation of an evolutionary algorithm. Additionally, a frequency-fixing scheme is employed to deal with the constraint on the frequency of the fundamental mode. Finally, the computed Pareto front approximation and an RF cavity shape with desired properties are shown.
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Slides TUPAG14 [3.001 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-ICAP2018-TUPAG14
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| About • |
paper received ※ 19 October 2018 paper accepted ※ 10 December 2018 issue date ※ 26 January 2019 |
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