The OPAL Discussion Forum

[Steve Russell <srussell AT lanl.gov>]

Dear Colleagues,

I just committed some changes to OPAL-T. Most were bug fixes, but one 
change will affect those who use bending magnets, especially if you have 
a chicane compressor modelled.

For one of our projects I needed to model a vertical bending chicane and 
found that the way vertical bending RBENDs were implemented wasn't 
giving me correct results. Now, if you want a bending magnet with a 
field in a direction other than the positive y direction, you can do so. 
This is described in the users manual. Basically, OPAL-T can now rotate 
a dipole about the z axis so that the field points in any direction in 
the x-y plane.

Note, however, that if you are currently using OPAL-T to model a chicane 
compressor, you will need to modify your input file and change the sign 
of the parameter(s) ALPHA for the inner dipole(s).

Best regards

Steve

--
Steve Russell
Technical Staff Member
MS H851
P.O. Box 1663
Los Alamos National Laboratory
Los Alamos, NM 87545
USA
Phone: (505) 665-3712
Fax: (505) 667-8207



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