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Study of Modeling of Substructure Damping Matrices
Document Number: 720813
Date Published: February 1972
Author(s):
Gary C. Hart - J. H. Wiggins Co.
Jon D. Collins - J. H. Wiggins Co.
Abstract:
Several methods are presented for developing proportional substructure damping matrices from modal test data. Examples demonstrate the significance of the nonuniqueness of the resulting proportional damping matrices. Several alternate modal synthesis procedures are presented for the systematic calculation of system modal damping from substructure damping information. The relative merits of these procedures are discussed, and one procedure is recommended.
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