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Three-Dimensional Wake Field Computations Based on Scattered-Field Time Domain Boundary Element Method

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Title: Three-Dimensional Wake Field Computations Based on Scattered-Field Time Domain Boundary Element Method
Authors: Fujita, Kazuhiro Browse this author
Kawaguchi, Hideki Browse this author
Weiland, Thomas Browse this author
Tomioka, Satoshi Browse this author →KAKEN DB
Keywords: Boundary element method
synchrotron radiation
wake fields
wake potential
Issue Date: Aug-2009
Publisher: IEEE - Institute of Electrical and Electronics Engineers
Journal Title: IEEE Transactions on Nuclear Science
Volume: 56
Issue: 4-3
Start Page: 2341
End Page: 2350
Publisher DOI: 10.1109/TNS.2009.2025042
Abstract: We present time domain 3-D wake field calculations based on Scattered-field Time Domain Boundary Element Method (S-TDBEM), which is retarded Kirchhoff's boundary integral equations of scattered electromagnetic fields formulated on interior region problem and has no numerical dispersion in all spatial direction. We propose two main types of S-TDBEM schemes: full 3-D scheme for general 3-D geometries and a so-called 2.5-D scheme for transverse wake field calculation in axis-symmetric structures. Several numerical examples are demonstrated for typical accelerator structures: elliptical pillbox and the TESLA 9-cell cavities. The developed 3-D/2.5-D S-TDBEM codes are verified by comparison with the modal analysis and the finite integration technique (FIT) in the numerical examples. Finally, as one of the most meaningful applications of the S-TDBEM, we demonstrate wake field simulations of a curved trajectory bunch with the developed 3-D S-TDBEM code.
Rights: © 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 富岡 智

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