Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts 1-2American Society of Mechanical Engineers, 2004 - Arctic regions |
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Page 942
... nonlinear , sum - frequency excitation is under 12 % for all headings . ( 4 ) The nonlinear contribution to the springing bending moment ( RMS ) is a maximum in head seas and decreases as the heading angle increases . The RMS value of ...
... nonlinear , sum - frequency excitation is under 12 % for all headings . ( 4 ) The nonlinear contribution to the springing bending moment ( RMS ) is a maximum in head seas and decreases as the heading angle increases . The RMS value of ...
Page 1099
... Nonlinear model The nonlinear equation of motion can be written as ż = Az + f ( z ) + Bu + HT , wave y = Cz where f ( z ) is nonlinear part 0 f ( z ) = M - D ( 3 ) ] - [ ( 2 ) ] 0 = -M ̄1K ( x ) - M ̄1D ( x ) ( 24 ) ( 25 ) ( 26 ) where ...
... Nonlinear model The nonlinear equation of motion can be written as ż = Az + f ( z ) + Bu + HT , wave y = Cz where f ( z ) is nonlinear part 0 f ( z ) = M - D ( 3 ) ] - [ ( 2 ) ] 0 = -M ̄1K ( x ) - M ̄1D ( x ) ( 24 ) ( 25 ) ( 26 ) where ...
Page 1100
... ( nonlinear model ) ( Tables 6 ) . The importance of nonlinearity is of critical concern when floating vessel is subjected to extreme condition . It can be seen in Tables 6 and 8 that the underestimation of mooring force by linear model ...
... ( nonlinear model ) ( Tables 6 ) . The importance of nonlinearity is of critical concern when floating vessel is subjected to extreme condition . It can be seen in Tables 6 and 8 that the underestimation of mooring force by linear model ...
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added mass amplitude analysis angle annulus ASME barge boundary conditions boundary element method British Columbia cable calculated CALM buoy Cantarell field catenary coefficient components computed Conference on Offshore configuration Copyright crane vessel cylinder damping deck developed diameter diffraction direction displacement dynamic effect element equation factor fairlead fatigue damage floating FPSO free surface function heave horizontal hull hydrodynamic iceberg installation interaction jacket joint length limit cycle linear marine maximum Mechanics and Arctic method model tests mooring lines mooring system motion nonlinear numerical obtained Offshore Mechanics offshore structures operation parameters particle Petrobras pile pipe pitch platform potential pressure regular waves response second order semi-submersible shear shear strength ship shown in Figure Spar spectrum Statoil stress surge Table tank tension values velocity velocity potential vertical vessel water depth wave height wave loads wavemaker weight wind Yaw Angle