Author: Shashkov, Ya.V.
Paper Title Page
MOPO066 Simulation of the Transitional Process in Accelerating Sections by Equivalent Circuit Method 145
 
  • S.V. Matsievskiy, V.I. Kaminskiy, Ya.V. Shashkov
    MEPhI, Moscow, Russia
 
  Nowadays linac accelerating RF systems design is usually done by the finite difference method. It provides high accuracy of calculations and freedom in topology choosing, but may draw considerable amounts of computer resources with long calculation times. Alternative to this method, equivalent circuit method exists. The basic idea of this method is to build a lumped element circuit, which with certain approximation acts as an original accelerating cell. It drastically reduces the number of equations to solve. This method is long known but usually only used for the particular accelerating structures when speed of calculation is a key-factor. Present paper describes a way to numerically simulate transition processes in arbitrary coupled accelerating cells using the equivalent circuit method. This approach allows simulating transitional processes in accelerating structures significantly faster and allows doing so for structures with high quality factor and many cells - a hard task for conventional transient solvers based on the finite difference method.  
poster icon Poster MOPO066 [0.519 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2018-MOPO066  
About • paper received ※ 23 August 2018      issue date ※ 18 January 2019  
Export • reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)  
 
TUPO045 Optimization of Dual Axis Asymmetric Cavity for Energy Recovery Linac 435
SPWR022   use link to see paper's listing under its alternate paper code  
 
  • Ya.V. Shashkov, A.M. Bulygin, M. Gusarova
    MEPhI, Moscow, Russia
  • I.V. Konoplev
    JAI, Oxford, United Kingdom
  • F. Marhauser
    JLab, Newport News, Virginia, USA
  • A. Seryi
    SLAC, Menlo Park, California, USA
 
  Funding: The reported study was funded by RFBR according to the research project № 18-302-00990
Optimization of the dual axis asymmetric cavity was performed to minimize the ratio of the peak magnetic and electric fields values to the accelerating voltage, to increase the distance between operating and neighbouring modes as well as to reduce the manufacturing cost of the cavity. To reach the goals several solutions have been suggested bringing the ratios to the acceptable values and leading to simplification of the manufacturing of the structure.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2018-TUPO045  
About • paper received ※ 12 September 2018      issue date ※ 18 January 2019  
Export • reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)