... indicators of integrity (operations safety) and production equipment reliability (ensuring operation continuity). The article briefly presents the software requirements and the process of surveying the indicators to be considered, discusses the methodology adopted for the simulation models, and shows...

... Abstract The direct drive valve and subplate mounted valve are critical components of the blowout preventer’s hydraulic system. The reliability analysis theory is used to analyze the service life of direct drive valve valves and subplate mounted valve valves in order to improve...

... and a review of current float technologies are also presented. Finally, a summary of the challenges and an outlook of the opportunities for the deployment of FPV systems is provided. off-shore renewable energy floating PV root causes failure reliability Proceedings of the ASME 2023 42nd...

... and repair times for the new and bigger offshore turbines prevents the feasibility to develop new reliability analysis that could improve the offshore wind turbines costs. To tackle this problem, this work presents a comparison between the 7MW Levenmouth Demonstration Turbine and a theoretical wind turbine...

... Abstract Though tidal stream energy is a source of electricity with low environmental impact, the manufacture and operation of tidal energy devices has inbuilt environmental impact and cost. Maintenance costs can be significant and reliability challenges have limited the growth of the sector...

... slurry concentration model is relatively large under the flow velocity at the suction port is 3.5 m/s. Overall, the slurry concentration prediction model based on the mechanism & data has high prediction accuracy and can improve construction efficiency and reliability. cutter suction dredger...

.... environmental contour reliability floating structures extreme response subset simulation Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering OMAE2022 June 5-10, 2022, Hamburg, Germany OMAE2022-78640 MODIFIED ENVIRONMENTAL CONTOURS APPROACH FOR LONG-TERM...

... or residual curvature method) with sometimes increasing complexity in either engineering, fabrication or installation. This paper will describe how a lateral deflection initiated by a temporary subsea winch after pipelay can be used as a reliable mitigation with limited impact on the project execution...

... damage is estimated. Afterwards, the First Order Reliability Method (FORM) is applied to determine the probability of fatigue failure on the riser. Fundamentals of the procedure are described, and results are illustrated through the analysis for a typical riser in deepwater drilling operation. Parametric...

... state function for reliability assessment. Sensitivity analysis enables to achieve target reliability. underwater explosion (UNDEX) Taylor’s plate theory one-way coupling fluid-structure interaction (FSI) reliability limit state function Proceedings of the ASME 2021 40th International...

.... These uncertainties are modelled as random variables. The assessment of failure probabilities takes a basis to formulate a limit state function for the relevant failure mode and deterioration mechanisms. The fatigue failure assessment based on a simplified probabilistic approach using the application of reliability...

... Abstract Safety and reliability of the assets in the Oil and Gas sector is considered critical to maximize availability and minimize downtime in production and operations. The industry, due to ageing assets, are re-visiting the maintenance planning of critical equipment through Reliability...

... of PST may improve the performance of HIPPS. dynamic Bayesian networks high integrity pressure protection system risk reliability partial stroke test functional test Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30...

... Carlo Simulation, tests of fatigue reliability and fatigue crack size evolution are obtained. It is observed that bilinear S-N curve and crack growth models leads to higher estimate of fatigue life. Sensitivity behavior pertinent to limit state adopted has been thoroughly examined. These outcomes...

... to the reliability, availability and maintainability of the device. This will allow for the identification of suitable mitigation measures in the development lifecycle, as well as an assessment of potential cost savings and impacts of the specific innovations. The methodology takes into account inputs from...

... Abstract Fixed offshore platforms subject to wave-in-deck loading have historically encountered challenges in meeting target reliability levels. This has often resulted in costly subsea remediation, impacted platform occupancy levels or premature decommissioning of critical structural assets...

... for performance evaluation of multi-megawatt direct drive wind turbines suitable for use in far offshore wind farms. The operation simulation considers several essential wind turbine data such as component reliability, i.e. failure rates and downtimes per failure, historical wind speed, turbine information...

... offshore wind turbines jacket type substructure system effects stochastic model reliability Deeper waters and harsher environments are the main factors that make the electricity generated by offshore wind turbines (OWTs) expensive due to high costs of the substructure, operation...

... reliability fatigue rainflow mooring fatigue One of the key engineering challenges for the installation of floating marine energy converters is the fatigue of the load-bearing components. In particular the moorings which warrant the station-keeping of such devices are subject to highly...

... 01 11 2011 Broken cable analysis in tandem is one of the key safety problems of offloading. There have been many difficulties to evaluate the reliability of offloading due to the complexity of stress in main cable and mooring system. In this paper the broken cable risk analysis...