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Hydrodynamic Impact of a System with a Single Elastic Mode II : Comparison of Experimental Force and Response with TheoryHydrodynamic impact tests were made on an elastic model approximating a two-mass spring system to determine experimentally the effects of structural flexibility on the hydrodynamic loads encountered during seaplane landing impacts and to correlate the results with theory. A flexible seaplane was represented by a two-mass spring system consisting of a rigid prismatic float connected to a rigid upper mass by an elastic structure. The model had a ratio of sprung mass to hull mass of 0.6 and a natural frequency of 3.0 cycles per second. The tests were conducted in smooth water at fixed trims and included both high and low flight-path angles and a range of velocity. Theoretical and experimental comparisons indicated that the theoretical results agreed well with the experimental results.
Document ID
19930092120
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Miller, Robert W
Merten, Kenneth F
Date Acquired
September 6, 2013
Publication Date
January 1, 1952
Report/Patent Number
NACA-TR-1075
Report Number: NACA-TR-1075
Accession Number
93R21410
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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