Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 13, Parts 1-2American Society of Mechanical Engineers, 1994 - Arctic regions |
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Page 30
... relative threshold level a / Hs . It can be seen that some de- pendence of the spectral coefficient on the threshold level exists for relative levels less than about 0.4 . As indicated , the dependence is represented approximately by a ...
... relative threshold level a / Hs . It can be seen that some de- pendence of the spectral coefficient on the threshold level exists for relative levels less than about 0.4 . As indicated , the dependence is represented approximately by a ...
Page 50
... relative displacement , E ' ( t ) . a The relative velocity time history is derivative of ( t ) , by either central difference method or by another FFT . Because of the numerical efficiency , we can simulate a large number of time ...
... relative displacement , E ' ( t ) . a The relative velocity time history is derivative of ( t ) , by either central difference method or by another FFT . Because of the numerical efficiency , we can simulate a large number of time ...
Page 318
... relative velocity . Time series of relative velocity may be found as the difference of time series of fluid and riser velocity . The first may be determined for any point in the fluid given the wave spectrum , the phase angles of the ...
... relative velocity . Time series of relative velocity may be found as the difference of time series of fluid and riser velocity . The first may be determined for any point in the fluid given the wave spectrum , the phase angles of the ...
Contents
OCEAN WAVES AND ENERGY | 1 |
Load Control Method and Its Realization on an OWC Wave Power Converter | 19 |
Nonlinearity in CrestTrough Statistics of Bretschneider Seas | 27 |
Copyright | |
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added mass amplitude analysis applied ASME assessment axial boundary buoy calculated compliant tower components correlation crack growth curve cylinder damping deck displacement distribution domain drag drag coefficient dynamic effects Engineering equation estimated experimental factor fatigue flow fluid fracture mechanics free surface frequency hindcast horizontal hydrodynamic increase inspection installation interaction jack-up joints lift coefficient lift force linear load matrix maximum measured method modes module mooring line motion nonlinear obtained offshore structures OMAE operation oscillating cylinder parameters peak period phase piles pipe potential predicted pressure probability of failure procedure random random variables ratio reliability response Reynolds number riser risk safety seastate second-order shown in Figure significant wave height simulation spectral spectrum statistical stiffness stress Strouhal tether transfer function tubular variables vector velocity velocity potential vertical vortex shedding water depth wave force Weibull distribution weld wind