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Components of Force Generated by Harmonic 

 Oscillations of Small-Scale Mooring Lines 

 in Water, 



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David W. Taylor 



Naval Ship Research and Development Center 

 Bethesda, MP 20084 



AREA A «o«< UNIT NUMBERS 



NOAA Request H^78O03A 

 DTNSRDC W.U. 15«8-007 



National Oceanic and Atmospheric Administr 



NOAA Data Buoy Office 



National Space Technology Laboratories 



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APPROVED FOR PUBLIC RELEASE: DISTRIBUTION UNLIMITED 



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Moored Buoy Systems 

 Cable Oscillations 

 Hydrodynamic Cable Forces 

 Cable Vibrations 



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The David W. Taylor Naval Sh'p Research and Development Center (DTNSRDC) was 

 tasked under the National Oceanic and Atmospheric Administration National Data 

 Buoy Program to conduct an experimental program in the dynamics of mooring lines 

 Linear scaling of deep-water moorings is in-practical and reliance must be made 

 by designers on analytic models. To provide a broad data base applicable to 

 model validation, five small-scale mooring line materials were selected for 

 evaluation. The horizontal and vertical components of dynamic tension generated 



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