... field measurements nearshore strait water parametric wave spectrum model kernel function temporal variation ocean waves and associated statistics probability Typhoons are high-intensity tropical cyclones generated in the Pacific Ocean. They usually last for several days with varying...

....2017.10.002 24 10 2017 02 05 2018 Design of offshore structures Dynamics of structures Ocean waves statistics Probabilistic models Probability Spectral wave modeling Forces Motions The growth of offshore wind as a reliable source of renewable energy has been steady...

... of offshore structures Ocean waves statistics Probability Spectral wave modeling Characteristic metocean loads and load effects are defined in terms of their annual probability of exceedance, q . The requirements for ultimate limit state (ULS) and accidental limit state for metocean actions are q...

... to estimating the contours are presented and the assumptions on which they are based are discussed. The different results given by these two methods are then compared in a number of case studies. Simultaneous probability density functions are fitted to the joint distribution of significant wave height and wave...

... ∓ 3 s X i (with the mean μ X i ) for load variables with the plus and resistance variables with the minus and a range for both of x C i ∓ s X i . Because of the application of nonsymmetrical probability distribution functions...

...Madjid Karimirad; Torgeir Moan Proper performance of structures requires among other things that their failure probability is sufficiently small. This would imply design for survival in extreme conditions. The failure of a system can occur when the ultimate strength is exceeded (ultimate limit...

... 04 2011 01 04 2011 environmental factors offshore installations probability reliability theory statistical analysis structural engineering metocean data joint probability model long-term analysis Nataf transformation circular statistical analysis Nowadays...

.... literature survey damaged ro-ro ships transient and progressive flooding numerical and experimental investigations design of experiments recommendations floods hydrodynamics marine accidents probability ships 31 08 2009 25 09 2010 30 03 2011 30 03 2011...

... variability of wave-kinematics need to be considered during the deck-wetting process. In the present study, we have used a multidimensional Gaussian formulation of incident wave-kinematics to derive a joint probability density function of deck-wetting (or exceedance) duration and its spatial extent. We have...

...Inge Lotsberg; Gudfinnur Sigurdsson; Knut Arnesen; Michael E. Hall Calculated probabilities of fatigue failure depend on the analysis procedure used for design. Calculated probabilities of a fatigue failure also depend on long term stress ranges due to loading and uncertainties associated...

... are gratefully acknowledged. α constant (MPa) x 0 constant (MPa) P local ice pressure (MPa) A instrumented area ( m 2 ) A l local design area ( m 2 ) p e probability of exceedence...

... if the probability that it occurs during the lull time is sufficiently high. The probability that the helicopter undercarriage strength is not compromised can be evaluated as a product of the probability that landing indeed occurs during the lull time and the probability that the relative velocity of the helicopter...

... the reserve strength ratio. Each state of degradation, irrespective of the cause, can then be assessed in terms of their impact on the annual probability of failure for the structure. Based on data and subjective information regarding the annual probabilities of occurrence of the relevant deterioration...

... are analyzed to obtain probability distributions of the sagging and hogging peaks of the vertical bending moment. Several theoretical distributions are fitted to the simulated realizations. Figure 15 shows, side by side, the wave loads calculated deterministically using the wave traces containing measured...

... filling level. Results. Our main contribution in the paper includes the statistical analysis of experimental short term pressure distribution. The choice and fit of probability distribution models is addressed, with due account of different physical mechanisms causing impacts. The models are evaluated...

...Hanne Therese Wist; Dag Myrhaug; Håvard Rue The probability that a wave crest in a random sea will exceed a specified height has long been recognized as important statistics in practical work, e.g., in predicting green water load and volume on a ship. Nonlinear probability density functions...

... that the optimal spectral components giving an extreme crest are solutions of a well-defined constrained optimization problem. A new analytical expression for the probability of exceedance of the wave crest is then proposed for the prediction of freak wave events. 25 03 2005 30 08 2005 ocean...

...Haibo Chen; Torgeir Moan To reduce the occurrence of tanker drive-off, and to reduce the probability of recovery failure should drive-off happen, are two basic principles to reduce FPSO and DP shuttle tanker collision in tandem offloading. In this paper we focus on measures to reduce recovery...

...Germán Rodríguez; Mercedes Pacheco; C. Guedes Soares The probability distribution of the maximum wave height in a sea state is examined in terms of the spectral peakedness and the sea state duration. The study is based on the analysis of numerically simulated Gaussian wave records with given target...

... crest occurs at a fixed time and location, is then shown. Finally the second-order probability of exceedance of the crest amplitude is obtained and validated by Monte Carlo simulation. 3 The time domain second-order wave pressure Δ p at point x o , z / L p 0...