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 475
... presented . Two kinds of seabed are considered . One is homogeneous , isotropic , and has linear elastic behaviour , the other is anisotropic and contains partly of rubble - mound seabed . It is assumed that the seepage action in rubble ...
... presented . Two kinds of seabed are considered . One is homogeneous , isotropic , and has linear elastic behaviour , the other is anisotropic and contains partly of rubble - mound seabed . It is assumed that the seepage action in rubble ...
Page 567
... presented in figure 5 ( a ) with the presence of both viscous and Coulomb damping . Satisfactory agreement is obtained with values . for the generalised viscous damping ratio of 0.034 and the generalised drift displacement of 0.3 . An ...
... presented in figure 5 ( a ) with the presence of both viscous and Coulomb damping . Satisfactory agreement is obtained with values . for the generalised viscous damping ratio of 0.034 and the generalised drift displacement of 0.3 . An ...
Page 632
... presented . The results are obtained by both frequency domain and time domain approaches . Among the institutions represented in the given figures , the low frequency responses were obtained by a time domain approach by institutions 4 ...
... presented . The results are obtained by both frequency domain and time domain approaches . Among the institutions represented in the given figures , the low frequency responses were obtained by a time domain approach by institutions 4 ...
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