A platform for research: civil engineering, architecture and urbanism
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Abstract Nonlinear probability distributions for Morison-type wave loading can be used to derive statistical properties (measures) of the extreme responses of quasi-statically responding members of offshore structures. The extreme value statistics can be described, for example, in terms of quantiles (i.e. values with a constant probability of exceedance), mode or mean value. For Morison's equation, the departure from linearity can be quantified in terms of a drag-inertia parameter, which is a function of both the member hydrodynamic properties and the sea state. In general, exact evaluation of the extreme value statistics can only be accomplished numerically. However, by investigating the asymptotic behaviour of extreme value distributions, simple formulae can be derived for estimating the statistical properties of the extreme response as a function of the drag-inertia parameter, the number of response peaks and the probability of exceedance.
Abstract Nonlinear probability distributions for Morison-type wave loading can be used to derive statistical properties (measures) of the extreme responses of quasi-statically responding members of offshore structures. The extreme value statistics can be described, for example, in terms of quantiles (i.e. values with a constant probability of exceedance), mode or mean value. For Morison's equation, the departure from linearity can be quantified in terms of a drag-inertia parameter, which is a function of both the member hydrodynamic properties and the sea state. In general, exact evaluation of the extreme value statistics can only be accomplished numerically. However, by investigating the asymptotic behaviour of extreme value distributions, simple formulae can be derived for estimating the statistical properties of the extreme response as a function of the drag-inertia parameter, the number of response peaks and the probability of exceedance.
Extreme values of Morison-type processes
Baar, J.J.M. (author)
Applied Ocean Research ; 14 ; 65-68
1991-05-30
4 pages
Article (Journal)
Electronic Resource
English
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