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 421
... represents a major operation . Large crane vessels must be mobilized for lifting of the structures . Several interesting solutions for Gulf of Mexico conditions were presented at the OMAE - 90 Houston Conference ( Ellis et al . , 1990 ) ...
... represents a major operation . Large crane vessels must be mobilized for lifting of the structures . Several interesting solutions for Gulf of Mexico conditions were presented at the OMAE - 90 Houston Conference ( Ellis et al . , 1990 ) ...
Page 501
... represents ÿ , and 【, is the damping ratio , relative to critical damping . Then the work done over one cycle becomes see e.g. Sparks ( 1980 ) . Here El represents bending stiffness and w ( z ) , the " wet weight " , is equal to the ...
... represents ÿ , and 【, is the damping ratio , relative to critical damping . Then the work done over one cycle becomes see e.g. Sparks ( 1980 ) . Here El represents bending stiffness and w ( z ) , the " wet weight " , is equal to the ...
Page 534
... represent the acceleration difference between the points G ' and O. The fourth term represents the Coriolis ac- celeration and the fifth term is the apparent acceleration of G ” with respect to G ' . The a ; and w ; in these terms are ...
... represent the acceleration difference between the points G ' and O. The fourth term represents the Coriolis ac- celeration and the fifth term is the apparent acceleration of G ” with respect to G ' . The a ; and w ; in these terms are ...
Contents
CASE HISTORIES OFFSHORE STRUCTURES | 331 |
OFFSHORE TECHNOLOGY PART | 337 |
OFFSHORE STRUCTURE CONCEPTS | 361 |
Copyright | |
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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