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 573
... matrix and geometric stiffness matrix , respectively ( Przemieniecki , 1968 and Archer , 1965 ) . The deformation stiffness matrix [ kp ] is a function of the element de- formations . This matrix can be expressed in explicit form ...
... matrix and geometric stiffness matrix , respectively ( Przemieniecki , 1968 and Archer , 1965 ) . The deformation stiffness matrix [ kp ] is a function of the element de- formations . This matrix can be expressed in explicit form ...
Page 660
... matrix in the global coordinate system . Substitution of Eq . ( 2 ) into Eq . ( 1 ) yields : [ Ma * ( 8 ) + [ K ... matrix and stiffness matrix of the shell are finally repre- sented in the local coordinate system as follows : For n # 0 ...
... matrix in the global coordinate system . Substitution of Eq . ( 2 ) into Eq . ( 1 ) yields : [ Ma * ( 8 ) + [ K ... matrix and stiffness matrix of the shell are finally repre- sented in the local coordinate system as follows : For n # 0 ...
Page 663
... matrix can be obtained by separating the ac- celeration in Eq . ( 53 ) : [ M2 ' ] = pw [ S ] [ H ] ̄1 [ G ] - ( 54 ) where [ Ma ' ] = added mass matrix normal to the shell element . In order to superpose the added mass to the structur ...
... matrix can be obtained by separating the ac- celeration in Eq . ( 53 ) : [ M2 ' ] = pw [ S ] [ H ] ̄1 [ G ] - ( 54 ) where [ Ma ' ] = added mass matrix normal to the shell element . In order to superpose the added mass to the structur ...
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