Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 359
... ( Figure 10 ) have produced consistent and reliable subsidence information since their installation . Platforms 2/7 C , 2/4 F and 2/4 E are used as bench mark platforms for subsidence measurements of all platforms . In Figure 11 the ...
... ( Figure 10 ) have produced consistent and reliable subsidence information since their installation . Platforms 2/7 C , 2/4 F and 2/4 E are used as bench mark platforms for subsidence measurements of all platforms . In Figure 11 the ...
Page 632
... Figure 3 - 6 computed RMS responses in the extreme condition are presented . The results are obtained by both frequency domain and time domain approaches . Among the institutions represented in the given figures , the low frequency ...
... Figure 3 - 6 computed RMS responses in the extreme condition are presented . The results are obtained by both frequency domain and time domain approaches . Among the institutions represented in the given figures , the low frequency ...
Page 691
... Figure 7 Azimuth Curves for Damaged Mooring Free Platform Operation parameters ... Water Depth Line lenght : Pre - tension . All these parameters were changed for intact and damaged conditions combined with failure of lines 7 and 8 ...
... Figure 7 Azimuth Curves for Damaged Mooring Free Platform Operation parameters ... Water Depth Line lenght : Pre - tension . All these parameters were changed for intact and damaged conditions combined with failure of lines 7 and 8 ...
Contents
CASE HISTORIES OFFSHORE STRUCTURES | 331 |
OFFSHORE TECHNOLOGY PART | 337 |
OFFSHORE STRUCTURE CONCEPTS | 361 |
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acceleration accelerometers added mass amplitude axial beam behaviour bending stiffness cable calculated Campos Basin catenary coefficient compliant tower components curvature curves cylinder damping ratio deck deformation developed diameter displacement drag drag coefficient dynamic analysis dynamic response effect Ekofisk elastic Engineering equation finite element finite element method flexible pipe fluid force free-fall lifeboat frequency domain hydrodynamic hydrodynamic damping impact in-span installation jack jacket joint launch length lift force linear load Mathieu Mathieu equation measured Mechanics meters method mode mode shape motion natural frequency nodal nodes nonlinear obtained Offshore Structures OMAE operation oscillation parameters phase pile platform pressure rotation seabed semi-rigid shear shown in Figure skin friction soil solution SPUS static analysis stiffness matrix submarine subsea support point tension tether torque transverse values vector velocity vertical vessel vibration Volume I-B water depth