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Full-Text Articles in Ocean Engineering

Olaf Ruhen's Review Of Edwin Doran, Jr.'S Wangka: Austronesian Canoe Origins, Olaf Ruhen Sep 1982

Olaf Ruhen's Review Of Edwin Doran, Jr.'S Wangka: Austronesian Canoe Origins, Olaf Ruhen

Pacific Studies

No abstract provided.


Low-Frequency Dynamics Of Moored Vessels, Bohdan W. Oppenheim, P. A. Wilson Jan 1982

Low-Frequency Dynamics Of Moored Vessels, Bohdan W. Oppenheim, P. A. Wilson

Systems Engineering Faculty Works

Three complete theories of the low-frequency dynamics of ships and disks moored with multileg mooring systems in deep water are derived, evaluated, and computerized. One theory is nonlinear; it includes the effects of cubic damping, nonlinear mooring forces and the excitation-yaw motion feedback, and it is handled by simulation. It yields random, regular and transient records, probabilities and statistics, exact and linearized transfer functions, and spectra of responses. The second theory is linear, solved in the frequency domain. The third is a static theory, which is a by-product of the linear one. Mooring lines of arbitrary compositions are considered.