Title

Impacts on calculated force and response due to random wave intermittency/nonlinearity

Document Type

Conference Proceeding

Date of Original Version

1-1-1995

Abstract

The effects of both free surface fluctuation (wave intermittency) and the nonlinearity of wave kinematics on total wave forces and the dynamic responses of offshore structures were investigated. The random wave considered was restricted to unidirectional, deep-water ocean waves. Monte Carlo simulations and time domain techniques are employed so that all nonlinear phenomena can be accurately included. Numerical comparisons were carried out for total wave forces and structural responses according to either linear or second-order random wave theory and by either including or excluding surface fluctuation. A non-dimensional equation of motion was developed and utilized to make the numerical results applicable to a wide range of wave and structural condition.

Publication Title

Proceedings of Engineering Mechanics

Volume

2

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