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 497
... force , given by ( 22 ) transverse oscillation period Ꭰ . part of the dimensionless lift force , component 180 ° out of V current velocity dv V reduced velocity phase with pile velocity , see ( 2 ) . Cmv part of the dimensionless lift ...
... force , given by ( 22 ) transverse oscillation period Ꭰ . part of the dimensionless lift force , component 180 ° out of V current velocity dv V reduced velocity phase with pile velocity , see ( 2 ) . Cmv part of the dimensionless lift ...
Page 504
... lift force for different reduced velocities . f , is the Strouhal frequency for a fixed cylinder . Self - excited ... Force coefficient C , based on drag part of lift force , versus A , / D , for dv various true reduced velocities , a ...
... lift force for different reduced velocities . f , is the Strouhal frequency for a fixed cylinder . Self - excited ... Force coefficient C , based on drag part of lift force , versus A , / D , for dv various true reduced velocities , a ...
Page 505
... Force coefficient C , based on added mass part of lift force , versus A ̧ / D , for various true reduced velocities . a , b , c , d and e mark the results obtained from self - exited cases . In - line fixed cases . forced Cdv A Ur ...
... Force coefficient C , based on added mass part of lift force , versus A ̧ / D , for various true reduced velocities . a , b , c , d and e mark the results obtained from self - exited cases . In - line fixed cases . forced Cdv A Ur ...
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