Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2; Volume 7, Part 2American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 204
... excitation force in uniform flow = jt q ( z ) ↓ ( z ) dz Fs = excitation force in shear flow = q ( z ) ( z ) dz = Is hydrodynamic damping unit length structural damping unit length excitation length mode shape It can be seen that ...
... excitation force in uniform flow = jt q ( z ) ↓ ( z ) dz Fs = excitation force in shear flow = q ( z ) ( z ) dz = Is hydrodynamic damping unit length structural damping unit length excitation length mode shape It can be seen that ...
Page 205
... Excitation ( m ) Length 21 ( lower ) 5.6 - complete excitation 0.020 0.030 0.90 0 1.19 2.52 2.48 Table 1 The Patel & Lyons criteria would lead to complete excitation for both the B = 0.012 and B = 0.020 profiles . Alternatively defining ...
... Excitation ( m ) Length 21 ( lower ) 5.6 - complete excitation 0.020 0.030 0.90 0 1.19 2.52 2.48 Table 1 The Patel & Lyons criteria would lead to complete excitation for both the B = 0.012 and B = 0.020 profiles . Alternatively defining ...
Page 206
... excitation , the hydrodynamic damping and the form of the lift force . Various techniques based on the local reduced velocity have been proposed for estimating the excitation length . The damping ratio and lift coefficient are dependent ...
... excitation , the hydrodynamic damping and the form of the lift force . Various techniques based on the local reduced velocity have been proposed for estimating the excitation length . The damping ratio and lift coefficient are dependent ...
Contents
Catchment Regions of Multiple Dynamic Responses in Nonlinear Problems of Offshore Mechanics | 15 |
Hydrodynamic Forces on a Floating Cylinder in Waves of Finite Depth | 23 |
Wave Load Estimation in Deep Water as Affected by Wave Period Errors | 33 |
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added mass amplitude analysis angle approximately axial biofouling body breaker breaking waves calculated component computed Conference on Offshore cylinder damping coefficient diameter diffraction displacement distribution domain drag coefficient drag force dynamic effects exciting force experimental Figure flow fluid force coefficients forces acting free surface frequency domain function Green function harmonic Hermite polynomial hindcast hydrodynamic hydrodynamic forces ice mass in-line incident wave inertia integral interaction KC number load lowerhull maximum measured Mechanics and Arctic method Morison equation motion nondimensional nonlinear obtained Ocean Offshore Mechanics offshore structures oscillation panels parameters phase platform predicted present ratio Rayleigh distribution regular waves response second order semisubmersible shear shown in Fig simulation solution spectra spectral density spectrum superposition principle surface elevation values velocity potential vortex shedding w₁ water depth wave drift force wave forces wave height wave period