Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 455
... creep , creep recovery and set . The creep data was found to fit a simple strain vs. log time equation which implied that stress relaxation could be predicted from the creep data . A tensioner design employing a elastomeric torsional ...
... creep , creep recovery and set . The creep data was found to fit a simple strain vs. log time equation which implied that stress relaxation could be predicted from the creep data . A tensioner design employing a elastomeric torsional ...
Page 456
... creep testing was performed on a total of twelve dual - lap shear specimens where each was held at a constant stress ( Figure 1. ) . The first six specimens were tested at three stress levels for 48 hours with a short interruption ...
... creep testing was performed on a total of twelve dual - lap shear specimens where each was held at a constant stress ( Figure 1. ) . The first six specimens were tested at three stress levels for 48 hours with a short interruption ...
Page 458
Table 4 . Tensioner Arm Creep Displacement ( No previous creep or stress relaxation ) Time Time € y ( min ) ( days ) ( % ) ( in ) 1.0 0.0 133.78 22.53 6.0 0.0 149.98 14.25 31.0 0.0 163.38 6.61 156.0 0.0 175.29 -0.22 781.0 0.1 186.00 ...
Table 4 . Tensioner Arm Creep Displacement ( No previous creep or stress relaxation ) Time Time € y ( min ) ( days ) ( % ) ( in ) 1.0 0.0 133.78 22.53 6.0 0.0 149.98 14.25 31.0 0.0 163.38 6.61 156.0 0.0 175.29 -0.22 781.0 0.1 186.00 ...
Contents
Simulation of Hurricane Seas in a Multidirectional Wave Basin | 17 |
9 | 38 |
27 | 45 |
Copyright | |
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added mass amplitude analysis array calculated results circular cylinder cosh crane ship crest damping coefficient density directional wave displacement distribution domain drag coefficient drag force dynamic effect Engineering equation estimated experimental results flow fluid force coefficients forces acting forward speed free surface Green's function heave horizontal hydrodynamic hydrodynamic forces incident wave irregular Kc number lift force linear load low-frequency matrix maximum measured method mooring line motion nonlinear obtained offshore structures oscillation parameters pile potential theory predicted pressure random ratio Rayleigh distribution regular waves response Sarpkaya second-order semisubmersible ship motions shown in Figure simulation solution spectra spectral density spectrum spreading function surge tanker transfer function vector velocity potential vertical vessel vortex vortex shedding vortices water depth wave amplitude wave component wave drift wave force wave frequency wave groups wave height wave number wave period wave power