Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 97
... regular wave we get a KC number which is not change with water epth . N = U_T / D KC m ( 15 ) B. In case of irregular waves : In case of irregular waves , Um and T vary for each wave . Then , how to define the KC number ? In Ref . [ 4 ] ...
... regular wave we get a KC number which is not change with water epth . N = U_T / D KC m ( 15 ) B. In case of irregular waves : In case of irregular waves , Um and T vary for each wave . Then , how to define the KC number ? In Ref . [ 4 ] ...
Page 98
... waves . When Uc > Um . Nxc RUT / D ( 19 ) In Eqs . ( 17 ) ~ ( 19 ) , taking the current direction to be the posi ... regular and irregular waves is wave on- ly field as well as in wave - current co - existing field ? Such consid- eration ...
... waves . When Uc > Um . Nxc RUT / D ( 19 ) In Eqs . ( 17 ) ~ ( 19 ) , taking the current direction to be the posi ... regular and irregular waves is wave on- ly field as well as in wave - current co - existing field ? Such consid- eration ...
Page 167
... wave drift force due to the presence of two simul- taneous regular waves with frequencies w ; and w . To accurately calculate drift force with equation ( 3 ) , it is necessary to know the full quadratic transfer function . Furthermore ...
... wave drift force due to the presence of two simul- taneous regular waves with frequencies w ; and w . To accurately calculate drift force with equation ( 3 ) , it is necessary to know the full quadratic transfer function . Furthermore ...
Contents
A Study on the Stability Criteria of Semisubmersibles | 4 |
Sharan and Praveen Kalra | 6 |
CASE HISTORIES | 7 |
Copyright | |
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added mass amplitude analysis approximately average boundary condition boundary layer cable calculated circular cylinder components computed crest damping coefficient damping ratio density diffraction dimensionless displacement drag coefficient dynamic effects Ekofisk estimates experimental Figure first-order floating fluid force coefficients free surface frequency domain Green function heave horizontal hydrodynamic hydrodynamic forces incident wave inline force integral equation irregular lift force linear loads low frequency low-frequency surge maximum mean drift forces measured method mooring motion natural frequency nonlinear obtained Offshore Technology open boundary oscillation oscillatory flow parameters phase velocity platform predicted pressure random wave ratio regular waves Reynolds number Sarpkaya second order second-order wave shown simulation solitary waves solution spectral spectrum standard deviation surge response tank tanker tests transfer function transverse values velocity potential vertical vortex vortices wave damping wave drift damping wave elevation wave forces wave height wave-current