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TIME AVERAGE AERODYNAMIC FORCES AND MOMENTS ON A NOTIONAL MODEL OF A SEMI-SUBMERSIBLE OFFSHORE RIG

Supplemental Notes: U.K. Dept. of Industry, National Maritime Institute Report R26, June 1982 (61 pp., 11 ref., 7 tab., 1 diag., 15 graphs)
Authors: Gould, R W Cowdrey, C F
Publication Date: 1982

PART 1 describes wind-tunnel measurements of the time-average aerodynamic forces and moments on a notional model of a semi-submersible offshore drilling rig at two heights and at various attitudes to the wind. PART 2 attempts to analyse the separate effects of pitch and roll on the model and derives expressions for the wind loading components on the basic model with a plain deck.