Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 410
... given in the references [ 8,9 ] . Reviews of the basic rotating array and a three dimensional analysis of its beam pattern are given . It will be shown in the analysis that an asymmetric beam pattern is produced in the 2 - element ...
... given in the references [ 8,9 ] . Reviews of the basic rotating array and a three dimensional analysis of its beam pattern are given . It will be shown in the analysis that an asymmetric beam pattern is produced in the 2 - element ...
Page 411
... given by : = cos ( wt + $ $ 1 - 2πrcose , ) £ 2 = cos ( wt2-2πrcose ) The response , in three ( 10 ) ( 11 ) dimensions , of the 2- element rotating array by cross - correlating the output of the elements is given by equation ( 12 ) ...
... given by : = cos ( wt + $ $ 1 - 2πrcose , ) £ 2 = cos ( wt2-2πrcose ) The response , in three ( 10 ) ( 11 ) dimensions , of the 2- element rotating array by cross - correlating the output of the elements is given by equation ( 12 ) ...
Page 418
... given pile configuration , the center - to - center spacing of the model piles , S , was 4 . 5 . u For a given type of clay ( that is , given c ) , pile configuration and L / D ratio , the group efficiency increases linearly with S / D ...
... given pile configuration , the center - to - center spacing of the model piles , S , was 4 . 5 . u For a given type of clay ( that is , given c ) , pile configuration and L / D ratio , the group efficiency increases linearly with S / D ...
Contents
COMPLIANT STRUCTURES | 313 |
Identification of NonLinear Effects in Predicting the Motion Response of Mobile Platforms | 337 |
RISERSMOORINGSCABLES | 345 |
Copyright | |
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amplitude analysis array axial beam Beaufort Sea behaviour bending moment bow quartering brace buoy buoyancy cable calculated compliant towers configuration curvature curve damping deck deflection developed diesel displacement distribution drag coefficient drillship dynamic Engineering environmental equation fatigue flexible riser force function heave horizontal hydrodynamic in-plane installation interaction jacket length linear load combination marine riser matrix maximum measured method mode mooring system Non-dim nonlinear obtained offshore structures Oseberg parameters phase pipe platform predicted problem Prudhoe Bay pycnocline ratio Rayleigh distribution relative response riser system riser tensioner rotating rubber fender seastates shaft shown in Figure simulation soil solution static stiffness Stirling Stirling Engine storage barge strain submarine surface Table template tension tests tion tower trawl Trondheim truss underwater values vector velocity vertical vessel water depth wave height wave load wave period