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 328
... LOSS TANGENT ( IN SHEAR ) 0.6 0.5 0.4 0.3 0.2 T T 0.1 10 100 FREQUENCY ( Hz ) Fig . 1 Variation of loss tangent with frequency for fine grained ice 1000 Recognizing the need for data on acoustic shear wave attenuation characteristics of ...
... LOSS TANGENT ( IN SHEAR ) 0.6 0.5 0.4 0.3 0.2 T T 0.1 10 100 FREQUENCY ( Hz ) Fig . 1 Variation of loss tangent with frequency for fine grained ice 1000 Recognizing the need for data on acoustic shear wave attenuation characteristics of ...
Page 328
... LOSS TANGENT ( IN TENSION / COMPRESSION ) 0.15 0.10 0.05 0.00 + .001 .01 .1 1 10 100 FREQUENCY ( Hz ) MATERIAL CHARACTERIZATION Fig . 2 Variation of loss tangent with frequency for large grained ice BOUNDARY CONDITIONS The incorporation ...
... LOSS TANGENT ( IN TENSION / COMPRESSION ) 0.15 0.10 0.05 0.00 + .001 .01 .1 1 10 100 FREQUENCY ( Hz ) MATERIAL CHARACTERIZATION Fig . 2 Variation of loss tangent with frequency for large grained ice BOUNDARY CONDITIONS The incorporation ...
Page 508
... loss . They concluded that a brief period of tether tension loss does not lead to excess platform motion . When a high pre - tension is reduced , the time- varying axial force acting on the tether becomes more important . Consideration ...
... loss . They concluded that a brief period of tether tension loss does not lead to excess platform motion . When a high pre - tension is reduced , the time- varying axial force acting on the tether becomes more important . Consideration ...
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