Design of Accelerator Girder System for Vibration Suppression
Design of Accelerator Girder System for Vibration Suppression
Design of Accelerator Girder System for Vibration Suppression
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Ground Motion Characteristics<br />
Seryi [2003]<br />
http://www.desy.de/~njwalker/uspas/coursemat/pp/unit_8.ppt#10<br />
S. Sharma<br />
Ambient Ground Motion<br />
NSRRC/July 21, 2005<br />
Mechanical Engineering Group<br />
<strong>Accelerator</strong> <strong>System</strong>s Division<br />
Sharma et al. [GMV 2000]<br />
Ground motion amplitude drops sharply at higher frequencies. The first natural<br />
frequency <strong>of</strong> the support system (girder/magnets + alignment mechanism)<br />
should be as high as possible (preferably, f 1 >20 Hz).
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