Spencer, J.M.A. (1990) DRIFTKEEL: a mathematical model of long period, second order forces on, and motion of, ships in shallow waters. Technical Report. Hydraulics Research Wallingford.
Abstract
Long period ship movements can be a problem to port operators. Due to resonance and small hydrodynamic damping, horizontal excursions can be large with a consequent risk of mooring lines breaking, or of cargo handling being hindered. This report describes a mathematical model of long period and steady drift forces on ships in shallow water developed by Hydraulics Research and called DRIFTKEEL.
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