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 385
... element drag coefficient of N buoyancy elements outer diameter of buoyancy elements interaction factor 2πXO / D mechanical mass of oscillatory system added mass of oscillatory system Mm + Ma number of buoyancy elements linear damping ...
... element drag coefficient of N buoyancy elements outer diameter of buoyancy elements interaction factor 2πXO / D mechanical mass of oscillatory system added mass of oscillatory system Mm + Ma number of buoyancy elements linear damping ...
Page 409
... elements , whereas in a conventional array all receiving elements are fixed in positions . The virtue of the rotating array is that it requires very few receiving elements to synthesise the directional beam pattern of a large array and ...
... elements , whereas in a conventional array all receiving elements are fixed in positions . The virtue of the rotating array is that it requires very few receiving elements to synthesise the directional beam pattern of a large array and ...
Page 410
... ELEMENT ROTATING ARRAY The basic rotating array configuration is shown in Figure 1. The array has two receiving elements fixed at the ends of a rotating arm . Incoming signals are sampled N times at constant intervals in one revolution ...
... ELEMENT ROTATING ARRAY The basic rotating array configuration is shown in Figure 1. The array has two receiving elements fixed at the ends of a rotating arm . Incoming signals are sampled N times at constant intervals in one revolution ...
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