HAM Crossbeam Redesign for Advanced LIGO: Technical Justification

Document #:

LIGO-E080356-v1

Document type:

E - Engineering documents

Abstract:

A summary of the performance improvement expected for the redesigned HAM Crossbeams. Presents 1) FEA predictions for changes in resonant frequencies of the HAM Support Structure, and 2) a simplified dynamic model of the Support Structure + HAM ISI.

Files in Document:

• E080356-01.pdf (1.8 MB)

Topics:

• Seismic Isolation
• Modelling

Authors:

• Andy Stein

Keywords:

Crossbeam

Notes and Changes:

-01 equivalent to v1.

Related Documents:

• LIGO-E080166: HAM Crossbeam Redesign for Advanced LIGO: FEA Study