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Article overview
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Calculation of wakefields in 2D rectangular structures | | I. Zagorodnov
; K.L.F Bane
; G. Stupakov
; | | Date: |
1 Aug 2015 | | Abstract: | We consider the calculation of electromagnetic fields generated by an
electron bunch passing through a vacuum chamber structure that, in general,
consists of an entry pipe, followed by some kind of transition or cavity, and
ending in an exit pipe. We limit our study to structures having rectangular
cross-section, where the height can vary as function of longitudinal coordinate
but the width and side walls remain fixed. For such structures, we derive a
Fourier representation of the wake potentials through one-dimensional
functions. A new numerical approach for calculating the wakes in such
structures is proposed and implemented in the computer code ECHO(2D). The
computation resource requirements for this approach are moderate and comparable
to those for finding the wakes in 2D rotationally symmetric structures.
Numerical examples obtained with the new numerical code are presented. | | Source: | arXiv, 1508.0066 | | Services: | Forum | Review | PDF | Favorites | |
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