Simulation of Piers in Hydraulic Models

by David J. Ball, Lect. in Civ. Engrg.; Univ. of Manchester, Manchester, England, U.K.,

Serial Information: Journal of the Waterways, Harbors and Coastal Engineering Division, 1974, Vol. 100, Issue 1, Pg. 23-34

Document Type: Journal Paper


Two new methods are proposed for the simulation of piers and similar complex structures in hydraulic models. The methods are based on similarity of parameters formed by modification of the hydrodynamic drag equation and are intended for use when scale models do not provide the required resistance to flow due to lack of similarity of Reynolds numbers. A description is given to the application of these methods to the simulation of oil terminal structures in an hydraulic model of the River Mersey estuary. The difficulties of estimating drag forces on complex structures are examined and attention is drawn, in particular, to interference effects on drag forces on elements of complex structures and to blockage effects in laboratory testing of model structures.

Subject Headings: Hydraulic models | Scale models | Structural models | Piers | Simulation models | Hydrologic models | Flow resistance | Laboratory tests

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