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 47
... Frequency of vortex shedding Frequency of flow or cylinder oscillation RMS value of the lift force per unit length Height of the test section . Mean roughness height Keulegan - Carpenter number ( = UmaxT / D ) Maximum value of K to be ...
... Frequency of vortex shedding Frequency of flow or cylinder oscillation RMS value of the lift force per unit length Height of the test section . Mean roughness height Keulegan - Carpenter number ( = UmaxT / D ) Maximum value of K to be ...
Page 190
... frequency part . The vortex pattern around structural members , however , has not been clear in such a combined ... shedding pattern and that the memory effect due to vortices generated in the previous cycles has an important role . For a ...
... frequency part . The vortex pattern around structural members , however , has not been clear in such a combined ... shedding pattern and that the memory effect due to vortices generated in the previous cycles has an important role . For a ...
Page 191
... shedding vortices in two successive swings , forward swing and backward swing . The difference of the drag forces by the shedding vortices in a cycle of the high - frequency oscillation yields the damping force for a low - frequency ...
... shedding vortices in two successive swings , forward swing and backward swing . The difference of the drag forces by the shedding vortices in a cycle of the high - frequency oscillation yields the damping force for a low - frequency ...
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