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The program clinchor calculates the growth rates of longitudinal and
transverse coupled bunch modes in an electron storage ring. This
program combines features that are found separately in other programs
such as ZAP[1], BBI[2] and PC-BBI[3]. The
effort in writing another coupled bunch program is justified further
by the opportunity to implement more flexible input and output
methods. The input command file is written entirely in namelist
commands, and the input and output data files are in
SDDS format. The postprocessing and graphics are
done outside of clinchor using the SDDS toolkits.
The method of calculation in clinchor is based on the normal mode
analysis of K. Thompson and R. Ruth[4]. The bunches
are treated as point charges and therefore only rigid bunch modes are
calculated, which means Landau damping is not considered. The effect
of bunch length on the strength of the wake fields generated is take
into account, however.
For those with enquiring minds, the name of the program comes from the expression
``calculation of longitudinal and transverse coupled bunch instability
due to cavity higher-order mode resonators.''
The rest of the guide is organized in three sections. The general
features are presented in the next section. In section
3, the input commands are explained in more detail.
The HOM definition file format is explained in section 4.
Next: General Features
Up: User's Guide to Program
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Randy Flood
2006-11-06