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 489
... vector in vertical direction Tangent vector , e , = Normal vector , e ,, Bi - normal vector , e = Modulus of elasticity dr / ds pd2r / ds2 = exen EI , k Bending stiffness GI , L Torsion stiffness Length Me , Me M1 , M , Friction moment ...
... vector in vertical direction Tangent vector , e , = Normal vector , e ,, Bi - normal vector , e = Modulus of elasticity dr / ds pd2r / ds2 = exen EI , k Bending stiffness GI , L Torsion stiffness Length Me , Me M1 , M , Friction moment ...
Page 520
... vector W for the three - dimensional case are defined as W = [ W ~ W W Ω Ω x1 yl zl x1 y1 Q. W W W Ω Ω zl x2 y2 z2 x2 Ω y2 z2 22 ] TM ( 1 ) where Wxi , Wyi , Wzi are the components in the global X , Y and Z directions , respectively ...
... vector W for the three - dimensional case are defined as W = [ W ~ W W Ω Ω x1 yl zl x1 y1 Q. W W W Ω Ω zl x2 y2 z2 x2 Ω y2 z2 22 ] TM ( 1 ) where Wxi , Wyi , Wzi are the components in the global X , Y and Z directions , respectively ...
Page 555
... vector in average load direction = dimensionless load reaction , Eq . ( 16 ) = natural coordinate = unit vector in cable tangent direction I cable tension = = fluid velocity vector = water acceleration vector = W W1 W2 = z - coordinate ...
... vector in average load direction = dimensionless load reaction , Eq . ( 16 ) = natural coordinate = unit vector in cable tangent direction I cable tension = = fluid velocity vector = water acceleration vector = W W1 W2 = z - coordinate ...
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