Anchor-Last Deployment Simulation by Lumped Masses

by Robert W. Thresher, Assoc. Prof. of Mech. Engrg.; Oregon State Univ., Corvallis, Oreg.,
John H. Nath, (F.ASCE), Prof. and Dir.; Oregon State Univ. Environmental Fluid Dynamics Lab., Corvallis, Oreg.,

Serial Information: Journal of the Waterways, Harbors and Coastal Engineering Division, 1975, Vol. 101, Issue 4, Pg. 419-433

Document Type: Journal Paper


Often the anchor is deployed as the final action in the mooring of buoys in the water. It has not been economical to calculate the transient conditions in the mooring line until a predictor-corrector technique was developed, which calculates the positions of the anchor and mooring line, the accompanying velocities, and the tensions throughout the line, all as a function of time. This study is based on a numerical lumped mass model representation of a single continuous nylon line 5,000 ft (1,525 m) long.

Subject Headings: Mooring | Anchors | Numerical analysis | Numerical models | Economic factors | Transient response | Tension members | Water management

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