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 145
... natural frequency of the system in the degree of freedom under consideration , i.e. , surge . This second motion is second - order in nature and arises from the differences in the frequency content of the irregular waves . While the ...
... natural frequency of the system in the degree of freedom under consideration , i.e. , surge . This second motion is second - order in nature and arises from the differences in the frequency content of the irregular waves . While the ...
Page 424
... natural frequencies are shown in Table 1. The values of dynamic shear modulus at the site were determined by conducting block vibration , wave propagation and standard penetration tests . The data of these tests was interpreted ...
... natural frequencies are shown in Table 1. The values of dynamic shear modulus at the site were determined by conducting block vibration , wave propagation and standard penetration tests . The data of these tests was interpreted ...
Page 496
... natural frequency of the platform . The first natural frequency is at 0.56Hz , oscillation perpendicular to the second mode of vibration . In the present work , a basic assumption is that the different modes of vibrations are uncoupled ...
... natural frequency of the platform . The first natural frequency is at 0.56Hz , oscillation perpendicular to the second mode of vibration . In the present work , a basic assumption is that the different modes of vibrations are uncoupled ...
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