... of the accuracies of the fatigue calculations by a new technical approach that can reduce the errors in the spectral fatigue analysis of shallow water platforms. This new approach can reasonably reflect the individually local sea state data by using wave height-period joint probability density function...

... wave direction motion response wave frequency density function wave force vertical acceleration encounter frequency Analysis of the Seakeeping Performance of Icebreaker Based on Maxsurf LI Xing-yu1,2,3, HE Yan-ping1,2,3*, CHEN Chao1,2,3 1. State Key Laboratory of Ocean Engineering, Shanghai...

... classification rules. (Hua,2011; LIU,2013) strength assessment container vessel probability probability distribution function ship fatigue damage calculation sensitivity analysis dominant load equivalent design wave assessment density function amidship shape parameter edw artificial...

... optimization optimization problem research method eigenmode non-destructive inspection density function eigenvalue damage detection method optimal structure target structure design variable Damage Detection Method by Topology Optimization Based on Eigenvalue Analysis Takafumi Nishizu (1): Akihiro...

... of the mooring system of a semi-submersible platform. fatigue analysis cumulative fatigue damage subsea system artificial intelligence frequency wave height spectral peak period machine learning international journal approximation ith sea state sea state density function mooring system...

..., modeled as a random variable uniformly distributed in 0,2 , if is the frequency of small amplitude components of (1), i.e., 1i if T , where iT stands for wave period and is a choice variable. The spectral density function of t is defined as follows: 0 cos 2S f C f d...

.... water surface. The free surface particles have density function p to characterize physical properties at each phase. Density function I is defined on node point of the staggered grid and it plays an important role of tracking the interface between different phases, such as air, water and solid...

... Fig.1 The relationship between temperature amplitude S and the freeze-thaw cycles N Because of the randomness of these relations, reliability theory can be applied to analyze the problem of freeze-thaw damage of concrete. Assume f (N) is the probability density function of freeze-thaw cycle life N...

... midstream oil & gas pressure load isope gas monetization evolution event rate sea condition long term approach lng liquified natural gas term approach offshore convergence phase ship indentation density function freight & logistics services assessment polar eng marine...

... Cartesian grid system is adopted and an interface capturing method is used to find free-surface profile. To identify different phases in a given domain, density functions m is defined for liquid (m=1) and gas (m=2). The density function for liquid phase 1 is calculated by solving the following advection...

... density function time variation numerical result grid wave breaking equation An Eulerian Scheme with Lagrangian particles for Solving Impact Pressure Caused by Wave Breaking Hidemi Mutsuda, Yoshiaki Shinkura and Yasuaki Doi Department of Social and Environmental Engineering, Hiroshima University...

... calculated by using some wind-field models and filling models. typhoon characteristic stochastic simulation technique shanghai return period liu typhoon disaster density function application reservoir simulation typhoon procedure artificial intelligence typhoon center multivariate...

... ABSTRACT The paper first discusses probability density functions (pdfs) which could be applied for the sea surface elevation, both observed in the sea and simulated numerically. The pdfs are grouped into two categories: One is derived from probability theory (e.g., the Longuet-Higgins...

... of wave height and wave period including seasonal effects, but we cannot operate the model analytically because it is a nonparametric method. artificial intelligence probability density function correlation equation wave height machine learning bessel model equilibrium significant wave...

...). spectrum jonswap directionality wave spectrum wave condition fpso six-parameter model combined-table approach spectra density function wave spectra spectral model bandwidth parameter extreme value floating production system subsea system significant wave height extreme wave load...

... bulkhead rectangular tank density function A Method to Estimate Internal Fluid Pressure in Tanks during Ballast Water Exchange at Sea Yasumi Toyama Mitsui Engineering & Shipbuilding Co., Ltd. Chiba, Japan ABSTRACT This paper introduces a method to assess the fluid pressure loads in ship's ballast...

... using both the linear and nonlinear reliability analysis approaches. A mathematical wind spectral density formulation is employed. The probability density function applied for the maximum turbulent wind-induced drag force analysis is considered as a random process. The maximum wind force is analytically...

... intelligence wind speed conditional distribution 2-parameter weibull distribution regression analysis contour surface northern north sea joint distribution wave height mean wind speed mean value parameterisation log-normal distribution standard deviation significant wave height density function...

... assessment subsea system strength wave environment strength assessment extreme response wave spectrum fpso sea state fatigue life wsd probability density function stress response spectrum tanker long-term extreme value floating production system extreme value density function artificial...

.... The second-order transfer function of the Volterra/Wiener representation for the nonlinear wave force, with the inundation effect included, is derived. The power spectral density functions of the responses of two typical jack-up platforms are evaluated numerically to show the significant contribution...