Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 115
... evaluate all of the components of the velocity potential , whereas the quadratic component of the second - order pressure on the body surface and the gradient of the potential on the free surface are evaluated from the source - based ...
... evaluate all of the components of the velocity potential , whereas the quadratic component of the second - order pressure on the body surface and the gradient of the potential on the free surface are evaluated from the source - based ...
Page 574
... evaluated as [ T ] = [ AT ] [ Tt - dt ] Lt - dt is the distance between nodes 1 and 2 at time t - dt . Furthermore , the angle a is calculated as doy2 ) α = 1⁄2 ( tbll ( dox1 + d0x2 ) + tb12 ( dey + tb13 ( d0z1 + de 22 ) ] Y1 ( 25 ) ...
... evaluated as [ T ] = [ AT ] [ Tt - dt ] Lt - dt is the distance between nodes 1 and 2 at time t - dt . Furthermore , the angle a is calculated as doy2 ) α = 1⁄2 ( tbll ( dox1 + d0x2 ) + tb12 ( dey + tb13 ( d0z1 + de 22 ) ] Y1 ( 25 ) ...
Page 101
... evaluated from the above expressions , using numerical integration . Alternatively , A ( E ) and C ( E ) may be evaluated from series expansions . In the case of linear stiffness ( n2 0 ) the above expressions simplify considerably ...
... evaluated from the above expressions , using numerical integration . Alternatively , A ( E ) and C ( E ) may be evaluated from series expansions . In the case of linear stiffness ( n2 0 ) the above expressions simplify considerably ...
Contents
VORTEX SHEDDING AND VIBRATION | 187 |
OCEAN WAVES AND CURRENT | 209 |
COMPUTATIONAL METHODS | 247 |
Copyright | |
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added mass amplitude analysis approximately average body boundary condition cable calculated circular cylinder components computed correlation density diffraction displacement distribution drag coefficient dynamic effects Ekofisk Engineering experimental field Figure finite element floating flow fluid free surface frequency domain function Green function horizontal hydrodynamic hydrodynamic forces incident wave integral equation irregular waves length lift force linear load low-frequency matrix maximum measured method mode mode shapes mooring motion natural frequency nonlinear obtained Ocean Offshore Structures OMAE open boundary oscillation parameters phase velocity platform predicted present pressure problem random waves ratio response Reynolds number riser Sarpkaya seabed second-order ship simulation small forward solitary wave solution spectral spectrum stiffness surge tank tanker tension tether theory transverse values vector velocity potential vertical vessel vibration vortex vortices water depth wave drift damping wave forces wave height wave profile