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A method for experimental modal separationA method is described for the numerical simulation of multiple-shaker modal survey testing using simulated experimental data to optimize the shaker force-amplitude distribution for the purpose of isolating individual modes of vibration. Inertia, damping, stiffness, and model data are stored on magnetic disks, available by direct access to the interactive FORTRAN programs which perform all computations required by this relative force amplitude distribution method.
Document ID
19770016595
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Hallauer, W. L., Jr. (Virginia Polytechnic Inst. and State Univ. Blacksburg, VA, United States)
Date Acquired
September 3, 2013
Publication Date
May 1, 1977
Subject Category
Structural Mechanics
Report/Patent Number
NASA-CR-153047
Report Number: NASA-CR-153047
Accession Number
77N23539
Funding Number(s)
CONTRACT_GRANT: NSG-1276
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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