... of the developed method in a complete risk assessment for a subsea compressor system and the subsystems and subcomponents with low reliabilities were identified. Comparing the enhanced model with previous models, it is found that the potential risks of some components are changed, and the components with higher...

... power is decreasing fast. Yet, the main challenges, especially for novel floating wind turbine concepts, are to increase reliability and reduce costs. The reliability perspective here refers to the lifecycle integrity management of the system to ensure reliability by actions during design, fabrication...

...Sheng Xu; A. P. Teixeira; C. Guedes Soares In this paper, a detailed procedure to study the mooring line conditional strength reliability of a semi-submersible platform in a 100-year sea state is presented. A fully coupled analysis is conducted to calculate the mooring line tension of a deepwater...

...; published online May 22, 2014. Assoc. Editor: Arvid Naess. 11 10 2011 18 03 2014 References [1] Rajashekhar , M. R. , and Ellingwood , B. R. , 1993 , “ A New Look at the Response Surface Approach for Reliability Analysis ,” Struct. Saf. , 12 ( 3 ), pp. 205–220 . 10.1016...

..., is undertaken with the aid of recently published data in support of the bilinear crack growth relationship. Results pertaining to the fatigue reliability and fatigue crack size evolution are presented using the Monte Carlo simulation technique and the emphasis is placed on a comparison between the linear...

... spheroidal pits. Furthermore, corrosion development is a process with many random factors such as the geometry and the growth rate. A realistic reflection of corrosion effects on structural failure is to consider it within the framework of reliability analysis. By knowing the analytical formula of stress...

.... bending durability failure analysis fracture mechanics pipelines pipes plasticity reliability structural engineering tensile strength yield stress Line pipe fracture mechanics plastic collapse structural integrity bend loading From the literature ( 2 ), a useful expression...

...M. R. Emami Azadi In the present study, the influence of spud-can-soil modeling and parameters on the reliability index of jack-up platform is investigated. Neka platform is studied as a case, which is a three-leg drilling jack-up type platform located in water depth of about 91 m in the Caspian...

... on the sequential quadratic programming. The first-order reliability method (FORM) is used for the reliability calculation from a specified limit state function based on the stress or buckling. A demonstration of an example monopod tower is presented. Variation in reliability indices of the RBO of the tower...

... whereas a longer width causes a significant time lag in control activation. This paper addresses the effect of uncertainty in the estimation of WPF by FFT on the reliability of the switched-controller based DP vessel. The probability of the supervisor switching to a wrong controller due to WPF estimation...

..., facilities and crew members, associated with the failure assessment criteria and evaluation functions of costs of construction, consequences of structural failure modes including damage, revenue loss, death, and injury, as well as discounting cost over time are considered. Different reliability analysis...

... work such a framework is formulated using Bayesian probabilistic networks for evaluating the time varying global structural reliability of jackets subject to progressive deterioration of its members due to the combined effect of different sources of damage. In principle, system effects, i.e...

... to the reliability index. An application to risk based inspection planning for extension of the service life of a platform is given. Variation of conditional probability of failure versus RIF as a function of the coefficient of variation in the wave loading bias λ Variation of conditional...

...Ying Min Low; Robin S. Langley The global dynamic response of a deep water floating production system needs to be predicted with coupled analysis methods to ensure accuracy and reliability. Two types of coupling can be identified: one is between the floating platform and the mooring lines/risers...

... 2006 31 08 2007 09 06 2008 bending buckling iterative methods mechanical strength reliability ships structural engineering supports A ship hull is a structure composed of plating stiffened by girders and stiffeners. The hull is subject to loading generated by hull weight...

...C. Guedes Soares; Joško Parunov The paper aims at quantifying the changes in notional reliability levels that result from redesigning an existing suezmax tanker to comply with new Common Structural Rules (CSR) requirement for ultimate vertical bending moment capacity. The probability of structural...

... the application of the probabilistic approach and through the use of strain-based design criteria. Because ice actions are applied through displacements of the soil, more ductile pipes are often necessary to meet reliability targets. Pipelines represent a highly efficient method for transporting liquid...

...Daniel Straub; Michael Havbro Faber Many parameters influencing corrosion degradation are time variant and the corrosion process is thus subject to temporal variability, the real characteristics of which are commonly neglected in reliability assessment. After a short overview on the quantitative...

...Efrén Ayala-Uraga; Torgeir Moan An efficient time-variant reliability formulation for the safety assessment of an aging floating production storage and offloading (FPSO) vessels with the presence of through-thickness cracks (i.e., long cracks), is presented in this paper. Often in ship structures...

... risk analysis reliability structural engineering Abstracts are invited by 1 October 2005 for papers for the conference, which will be held at the University of Strathclyde on 10–12 July 2006. Abstracts of 300 words are sought for papers on topics as given in the brochure. Send...