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 425
... mode shapes for the modes that contribute to overall dynamic behaviour of the platform during the collision . The mode shapes are arranged as columns with each mode shape normalized to unity at the collision point . If we use this ...
... mode shapes for the modes that contribute to overall dynamic behaviour of the platform during the collision . The mode shapes are arranged as columns with each mode shape normalized to unity at the collision point . If we use this ...
Page 427
... Mode Shapes for Representation of Plat- form Ship impact simulations with 1 , 2 , 3 , 4 , 5 , 6 , 7 and 8 mode shapes have been performed in order to de- termine which frequencies and mode shapes control the behaviour of the platform ...
... Mode Shapes for Representation of Plat- form Ship impact simulations with 1 , 2 , 3 , 4 , 5 , 6 , 7 and 8 mode shapes have been performed in order to de- termine which frequencies and mode shapes control the behaviour of the platform ...
Page 675
... mode shapes associated with the mudmat- supported condition ; ( 2 ) Subject the model to numerous simulations of a sea state represented by random waves ; ( 3 ) Accumulate the average of the ratio between the maximum dynamic and static ...
... mode shapes associated with the mudmat- supported condition ; ( 2 ) Subject the model to numerous simulations of a sea state represented by random waves ; ( 3 ) Accumulate the average of the ratio between the maximum dynamic and static ...
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