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Centaur G Prime modal testThe Centaur G Prime modal test resulted in sets of modes (frequencies, mode shapes and damping) with an accuracy similiar to or better than that normally obtained from the modal testing of linear structures with no backlash and small damping. In other words, performing the test at high level greatly minimized the backlash effect and provided a valid, simple linearization of the trunnion friction problem for the Centaur in the Shuttle Cargo Bay. All the most important modes (target modes) were measured and provided the data base for updating the finite element model for the pre-flight verification loads analysis.
Document ID
19880007691
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Trubert, Marc
(Jet Propulsion Lab. California Inst. of Tech., Pasadena., United States)
Cutler, Art
(General Dynamics Corp. San Diego, CA., United States)
Miller, Robert
(NASA Lewis Research Center Cleveland, OH., United States)
Page, Don
(General Dynamics Corp. San Diego, CA., United States)
Engelhardt, Charles
(Structural Dynamics Research Corp. San Diego, Calif., United States)
Date Acquired
August 13, 2013
Publication Date
January 1, 1987
Publication Information
Publication: Shock and Vibration Information Center The Shock and Vibration Bulletin. Part 4: Structural Dynamics and Modal Test and Analysis
Subject Category
Structural Mechanics
Accession Number
88N17075
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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