Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 104
... matrices and also in damping ratios , which are discussed below separately . Stiffness matrix : Major uncertainty sources in the stiffness matrix are mostly due to imperfections of member thicknesses , joint flexibility , foundation ...
... matrices and also in damping ratios , which are discussed below separately . Stiffness matrix : Major uncertainty sources in the stiffness matrix are mostly due to imperfections of member thicknesses , joint flexibility , foundation ...
Page 105
... matrix of the joint flexibility , [ a ] , can be stated as a function of the uncertainty parameters , X , ( for member thicknesses ) and X ,, as , [ α ] = [ 1 ] - [ 1 ] + X22 [ μ‚ ̄ ' [ k ] -1 ( 6 ) in which [ ] is the mean value the ...
... matrix of the joint flexibility , [ a ] , can be stated as a function of the uncertainty parameters , X , ( for member thicknesses ) and X ,, as , [ α ] = [ 1 ] - [ 1 ] + X22 [ μ‚ ̄ ' [ k ] -1 ( 6 ) in which [ ] is the mean value the ...
Page 385
... Matrix : RB A The damping matrix D is caused by linear wave drift damping and laminar skin friction damping . This matrix is expressed as : DL = X u 0 0 -Y - Y 0 - Ny - Ny Nonlinear Damping Vector : ( 5 ) The nonlinear damping vector ...
... Matrix : RB A The damping matrix D is caused by linear wave drift damping and laminar skin friction damping . This matrix is expressed as : DL = X u 0 0 -Y - Y 0 - Ny - Ny Nonlinear Damping Vector : ( 5 ) The nonlinear damping vector ...
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