SOME TRANSVERSE RESONANT VIBRATION CHARACTERISTICS OF WIRE ROPE WITH APPLICATION TO FLOW-INDUCED CABLE VIBRATIONS
The transverse resonant vibration of stranded wire rope was studied as part of an overall investigation of flow-induced cable vibrations. It was found that an equivalent homogeneous string model adequately predicts the cable resonant frequencies. Furthermore, the in-water damping and added mass exhibit no dependence on amplitude, mode shape, or wavelength, and the frequency dependence is slight. The measured damping and added mass were combined to form a stability parameter which can be used to correctly estimate the maximum amplitude of the transverse vibrations induced by the interaction between a steady current and an elastic or elastically-mounted structure.
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Naval Research Laboratory4555 Overlook Avenue, SW
Washington, DC United States 20375-5320
- Ramberg, S E
- Griffin, O M
- Publication Date: 1974-12-10
- Pagination: 23 p.
- TRT Terms: Cables; Coefficients; Dynamics; Flow; Mass; Mooring cables; Vibration; Wire rope
- Old TRIS Terms: Added mass; Cable dynamics; Flow induced vibration
- Subject Areas: Marine Transportation; Terminals and Facilities;
- Accession Number: 00084866
- Record Type: Publication
- Source Agency: National Technical Information Service
- ISBN: NRL-F02-401
- Report/Paper Numbers: NRL-7821 Final Rpt.
- Files: TRIS
- Created Date: May 19 1975 12:00AM