Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 305
... mode f ( Hz ) 8 0.244 0.250 0.26 0.20 0.256 0.256 Yes 0.17 0.16 2nd mode f ( Hz ) δ 0.981 1.00 1.06 0.75 0.67 0.62 0.45 0.38 1.14 1.16 Yes 3rd mode f ( Hz ) δ 2.50 2.63 2.78 0.95 0.92 0.90 Yes B Catenary 1 1st mode f ( Hz ) 0.909 1.02 ...
... mode f ( Hz ) 8 0.244 0.250 0.26 0.20 0.256 0.256 Yes 0.17 0.16 2nd mode f ( Hz ) δ 0.981 1.00 1.06 0.75 0.67 0.62 0.45 0.38 1.14 1.16 Yes 3rd mode f ( Hz ) δ 2.50 2.63 2.78 0.95 0.92 0.90 Yes B Catenary 1 1st mode f ( Hz ) 0.909 1.02 ...
Page 306
... modes of both normal - to - plane and in- plane directions , the logarithmic decrements 8 increased with increasing amplitude over the amplitude range tested . Whilst for the second normal - to - plane mode , & first increased with ...
... modes of both normal - to - plane and in- plane directions , the logarithmic decrements 8 increased with increasing amplitude over the amplitude range tested . Whilst for the second normal - to - plane mode , & first increased with ...
Page 413
... modes have been found ( 16 ) . The modelling must usually seek collapse mode expressions which for simple modes are of the form : that it can incorporate aspects ductile , brittle , or intermediate component behavior and statistical ...
... modes have been found ( 16 ) . The modelling must usually seek collapse mode expressions which for simple modes are of the form : that it can incorporate aspects ductile , brittle , or intermediate component behavior and statistical ...
Contents
OCEAN WAVES AND CURRENT | 1 |
HYDRODYNAMIC FORCES | 69 |
17 | 90 |
Copyright | |
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added mass amplitude analysis axial behaviour boundary bubble buoy cable calculated Campos Basin coefficients compliant tower components configuration crane vessels cylinder damping model damping ratio developed direction displacement distribution domain drag coefficient drag force dynamic response effect Engineering equation estimated experimental Figure floating flow fluid heave motion hydrodynamic hydrodynamic damping installation interaction internal wave irregular waves Karunakaran length linear load matrix measured method modal mode model testing module natural frequency natural period nondimensional nonlinear obtained Ocean Offshore Structures operations oscillation parameters peak pipe pipeline platform pontoon potential predicted pressure ratio Rayleigh Rayleigh distribution resonant riser rotation second-order semisubmersible ship shown simulation spectra spectrum stiffness Stirling engine subsea surge tank technique tendon tension tethers transfer function values vector velocity velocity potential vertical vessel vibration water depth wave force wave height wave period