Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 1
OCCURRENCE OF EXTREME WAVES WITH RESPECT TO SIGNIFICANT WAVE HEIGHT Agnès Robin and Michel Olagnon Direction Ingénierie , Technologie et Informatique IFREMER – Centre de BREST Plouzané , France 101 00.
OCCURRENCE OF EXTREME WAVES WITH RESPECT TO SIGNIFICANT WAVE HEIGHT Agnès Robin and Michel Olagnon Direction Ingénierie , Technologie et Informatique IFREMER – Centre de BREST Plouzané , France 101 00.
Page 2
11,000 wave records which present nearly 2 million individual waves at the Frigg Field in the North Sea are processed . The analysis bears on the ratio of maximum to estimated significant wave height , on the period and wave steepness .
11,000 wave records which present nearly 2 million individual waves at the Frigg Field in the North Sea are processed . The analysis bears on the ratio of maximum to estimated significant wave height , on the period and wave steepness .
Page 6
5 WAVE HEIGHTS AND WAVE PERIODS a 7 , mean of T / Tc , is a function of e close to 1.0 , Tc is the mean time ... of " freak waves " [ 4 , 13 ) is the wave steepness which is defined as the ratio of the wave height to the wave length .
5 WAVE HEIGHTS AND WAVE PERIODS a 7 , mean of T / Tc , is a function of e close to 1.0 , Tc is the mean time ... of " freak waves " [ 4 , 13 ) is the wave steepness which is defined as the ratio of the wave height to the wave length .
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Contents
SPECIAL SESSION HYDRODYNAMICS | 1 |
HYDRODYNAMIC FORCES | 29 |
Simulated High Reynolds Number Flow and Forces on Cylinder Groups | 71 |
Copyright | |
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acting amplitude analysis angle applied approach approximately assumed average body boundary cable calculated circular cylinder coefficients compared comparison components computed considered constant corresponding cylinder damping depth described determined diffraction direction distribution domain drag drift force effect element Engineering equation estimates experimental experiments expressed field Figure floating flow fluid follows free surface frequency function given height horizontal hydrodynamic included increase integral irregular waves length lift force linear loads mass maximum mean measured method mode mooring motion natural nonlinear obtained Ocean Offshore oscillation period phase platform points position potential predicted present pressure problem random range regular relative represents respectively response second order second-order separation ship shown shows simulation solution spectrum structure surge Table tests theory values velocity vertical vortex wave forces