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 653
... added mass of the surge due to differences in the forward speed influences the forward speed effect a little . In particular , the added mass coeffi- cients become larger in the order of , 0 , 6 , and 3 knots ( Fn = 0.0 , 0.11 , and ...
... added mass of the surge due to differences in the forward speed influences the forward speed effect a little . In particular , the added mass coeffi- cients become larger in the order of , 0 , 6 , and 3 knots ( Fn = 0.0 , 0.11 , and ...
Page 659
... added mass of a submerged elastic axisymmetrical rotational shell is described . The purpose of this paper is to obtain the added mass which can be combined directly into a struc- turai mass matrix of finite element method ( FEM ) . Added ...
... added mass of a submerged elastic axisymmetrical rotational shell is described . The purpose of this paper is to obtain the added mass which can be combined directly into a struc- turai mass matrix of finite element method ( FEM ) . Added ...
Page 663
... added mass matrix normal to the shell element . In order to superpose the added mass to the structur- al matrix given by axisymmetrical analysis with FEM and with BEM , the integral of Eq . ( 54 ) has to be done in advance in the ...
... added mass matrix normal to the shell element . In order to superpose the added mass to the structur- al matrix given by axisymmetrical analysis with FEM and with BEM , the integral of Eq . ( 54 ) has to be done in advance in the ...
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