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Random Response of Offshore Structures to Wave and Current Forces

S. C. Wu / C. C. Tung

Dynamic responses of offshore structures to random waves and steady current are examined. The structural response quantities examined are the displacement, shear, and bending moment. The statistic sought is the peak response which is the quantity directly used in design considerations. Numerical results are obtained for four offshore towers, ranging in heights from 475 to 1075 feet, for various wave and current conditions. Results are presented graphically. It is shown that structural responses increase with increase in current speed but the effects of wave-current interactions are important only for tall slender structures. Also, the effects of current on structural response diminishes with increase in the strength of the waves.

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Random Response of Offshore Structures to Wave and Current Forces

S. C. Wu / C. C. Tung

Dynamic responses of offshore structures to random waves and steady current are examined. The structural response quantities examined are the displacement, shear, and bending moment. The statistic sought is the peak response which is the quantity directly used in design considerations. Numerical results are obtained for four offshore towers, ranging in heights from 475 to 1075 feet, for various wave and current conditions. Results are presented graphically. It is shown that structural responses increase with increase in current speed but the effects of wave-current interactions are important only for tall slender structures. Also, the effects of current on structural response diminishes with increase in the strength of the waves.

Random Response of Offshore Structures to Wave and Current Forces

S. C. Wu / C. C. Tung

Dynamic responses of offshore structures to random waves and steady current are examined. The structural response quantities examined are the displacement, shear, and bending moment. The statistic sought is the peak response which is the quantity directly used in design considerations. Numerical results are obtained for four offshore towers, ranging in heights from 475 to 1075 feet, for various wave and current conditions. Results are presented graphically. It is shown that structural responses increase with increase in current speed but the effects of wave-current interactions are important only for tall slender structures. Also, the effects of current on structural response diminishes with increase in the strength of the waves.

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Title:

Random Response of Offshore Structures to Wave and Current Forces

Contributors:

S. C. Wu (author) / C. C. Tung (author)

Publication date:

1975

Size:

125 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Civil Engineering , Marine Engineering , Offshore structures , Ocean waves , Dynamic structural analysis , Ocean currents , Towers , Dynamic response , Bending moments , Fluid dynamics , Hydrodynamics , Sea Grant program , Morison formula

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