Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 427
... towed towards ( and over ) the structure . The test set - up was designed to achieve correct geometry of the gear and correct force build - up in the tow wires in the event of a snag . The tests showed , that the question of snagging or ...
... towed towards ( and over ) the structure . The test set - up was designed to achieve correct geometry of the gear and correct force build - up in the tow wires in the event of a snag . The tests showed , that the question of snagging or ...
Page 429
... tow point position , the immersed weight of the clump weights , the wire lengths I , and 12 and the spring characteristics were chosen on the basis of calculation , not only to provide the correct geometry for the towed system aft of ...
... tow point position , the immersed weight of the clump weights , the wire lengths I , and 12 and the spring characteristics were chosen on the basis of calculation , not only to provide the correct geometry for the towed system aft of ...
Page 308
... tow - out now and for installation nins C. = K. W + K jac jac jac tow n tow + K. n ins ins ( 4 ) where K Ktow and Kins are the cost rates for jacket ( £ / tonne ) , tow- jac ' tow out ( £ / day ) and installation ( £ / day ) ...
... tow - out now and for installation nins C. = K. W + K jac jac jac tow n tow + K. n ins ins ( 4 ) where K Ktow and Kins are the cost rates for jacket ( £ / tonne ) , tow- jac ' tow out ( £ / day ) and installation ( £ / day ) ...
Contents
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
9 | 38 |
27 | 45 |
Copyright | |
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added mass amplitude analysis array calculated results circular cylinder cosh crane ship crest damping coefficient density directional wave displacement distribution domain drag coefficient drag force dynamic effect Engineering equation estimated experimental results flow fluid force coefficients forces acting forward speed free surface Green's function heave horizontal hydrodynamic hydrodynamic forces incident wave irregular Kc number lift force linear load low-frequency matrix maximum measured method mooring line motion nonlinear obtained offshore structures oscillation parameters pile potential theory predicted pressure random ratio Rayleigh distribution regular waves response Sarpkaya second-order semisubmersible ship motions shown in Figure simulation solution spectra spectral density spectrum spreading function surge tanker transfer function vector velocity potential vertical vessel vortex vortex shedding vortices water depth wave amplitude wave component wave drift wave force wave frequency wave groups wave height wave number wave period wave power