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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ESRF <strong>Girder</strong> <strong>System</strong><br />
The girder system has several low natural<br />
frequencies.<br />
<strong>Vibration</strong> amplification<br />
without damping: 2.2<br />
with viscoelastic damping link: 1.3 (40 nm)<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 />
Mode Test<br />
(Hz)<br />
1 8.68<br />
2 11.74<br />
3 13.63<br />
4 22.33<br />
5 26.29<br />
http://www.esrf.fr/machine/reports/sassenage02/<br />
presentations/zhang.pdf
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