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Initial Value Problem Formulation TDBEM with 4-D Domain Decomposition Method and Application to Wake Fields Analysis
Hideki KAWAGUCHI Thomas WEILAND
IEICE TRANSACTIONS on Electronics
Publication Date: 2017/01/01
Online ISSN: 1745-1353
Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
microwave, Time Domain, boundary element method, particle accelerator, wake fields, Domain Decomposition Method, Finite Difference Time Domain (FDTD) Method,
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The Time Domain Boundary Element Method (TDBEM) has its advantages in the analysis of transient electromagnetic fields (wake fields) induced by a charged particle beam with curved trajectory in a particle accelerator. On the other hand, the TDBEM has disadvantages of huge required memory and computation time compared with those of the Finite Difference Time Domain (FDTD) method or the Finite Integration Technique (FIT). This paper presents a comparison of the FDTD method and 4-D domain decomposition method of the TDBEM based on an initial value problem formulation for the curved trajectory electron beam, and application to a full model simulation of the bunch compressor section of the high-energy particle accelerators.