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Keywords: reliability
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Proceedings Papers

Proc. ASME. OMAE2023, Volume 8: Ocean Renewable Energy, V008T09A012, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-101868
... renewable energy, floating PV, root causes, failure, reliability 1. INTRODUCTION In recent years, more and more countries announced green energy plans to underline their commitments towards sustainable development. According to the IRENA Renewable Energy Capacity Statistics in 2022 [1], the total renewable...
Proceedings Papers

Proc. ASME. OMAE2023, Volume 2: Structures, Safety, and Reliability, V002T02A046, June 11–16, 2023
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2023-101753
... 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 obtained from a literature review, contrasting...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 5B: Ocean Engineering; Honoring Symposium for Professor Günther F. Clauss on Hydrodynamics and Ocean Engineering, V05BT06A024, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-80359
... construction efficiency and reliability. Keywords: cutter suction dredger, slurry concentration, machine learning, reliability V05BT06A024-1 Copyright © 2022 by ASME Nomenclature Vc The soil volume of cutting bc The cutting width dc The cutting depth Fp2 The water flow force C p coefficient Rc The cutter head...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 2: Structures, Safety, and Reliability, V002T02A052, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78640
.... 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...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A001, June 5–10, 2022
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2022-78417
... tidal energy reliability environmental impact 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...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A034, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-62796
... is employed as a limit state function Standard deviation of a random variable for reliability assessment. Sensitivity analysis enables to achieve target reliability. Keywords: Underwater Explosion (UNDEX), Taylor s plate theory, one-way coupling, Fluid-Structure Interaction (FSI), reliability, limit state...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A009, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-62724
...@ongc.co.in Email: nallay@iitm.ac.in ABSTRACT NOMENCLATURE Fatigue is generally considered the most critical failure Mean-Lognormal Standard Deviation-Lognormal mode in mechanical and structural systems. Due to high-stress Reliability index concentrations, welded joints represent the most common fatigue...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A031, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-63119
... Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30, 2021, Virtual, Online OMAE2021-63119 RELIABILITY AND COST ESTIMATION FOR MAINTENANCE PLANNING OF OIL AND GAS ASSETS Anu Hanish Nithin1,2, Abayomi Obisesan1, Srinivas Sriramula2...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A027, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-61910
... on the risk of HIPPS tests cannot. valve. Increased coverage of PST may improve the performance of HIPPS. Keywords: Dynamic Bayesian networks, High Integrity Pressure Protection System, Risk, Reliability, Partial Stroke test, Functional test. NOMENCLATURE HIPPS Safety instrument system High integrity pressure...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A022, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-62362
... 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...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A036, June 21–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2021-63125
... drilling riser riser dynamics riser fatigue reliability Abstract Advances in subsea exploration in the oceans to discover new petroleum reservoirs and sometimes different kind of minerals at the seabed in ultra deepwater, continuously introduce new challenges in offshore drilling...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 2A: Structures, Safety, and Reliability, V02AT02A032, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18127
... 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...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 2A: Structures, Safety, and Reliability, V02AT02A060, August 3–7, 2020
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2020-18349
... 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...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 3: Structures, Safety, and Reliability, V003T02A072, June 9–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2019-95561
...IMPACTS OF RELIABILITY ON OPERATIONAL PERFORMANCE AND COST OF ENERGY EVALUATION OF MULTI-MEGAWATT, FAR-OFFSHORE WIND TURBINES Cuong D. Dao1, Behzad Kazemtabrizi, and Christopher J. Crabtree Department of Engineering Durham University South Road, Durham DH1 3LE United Kingdom ABSTRACT Wind energy...
Proceedings Papers

Proc. ASME. OMAE2013, Volume 2B: Structures, Safety and Reliability, V02BT02A013, June 9–14, 2013
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2013-10962
...). In consequence, a rational treatment of uncertainties is done in order to assess the reliability of critical details in OWTs. Limit state equations are formulated for fatigue critical details which are not influenced by wake effects generated in offshore wind farms. Furthermore, typical bi-linear S-N curves...
Proceedings Papers

Proc. ASME. OMAE2012, Volume 2: Structures, Safety and Reliability, 667-676, July 1–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2012-84101
..., where both information from initial tank tests and the wave climate of potential field sites are available and can be used to optimise the mooring design regarding its lifecycle fatigue conditions. reliability fatigue rainflow mooring fatigue LIFECYCLE FATIGUE LOAD SPECTRUM ESTIMATION...
Proceedings Papers

Proc. ASME. OMAE2011, Volume 2: Structures, Safety and Reliability, 703-709, June 19–24, 2011
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2011-49952
... 1 Proceedings of the ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering OMAE2011 June 19-24, 2011, Rotterdam, The Netherlands OMAE2011-49952 A BIVARIATE EXTREME VALUE DISTRIBUTION FOR RELIABILITY ASSESSMENT OF MARINE STRUCTURES Bernt J. Leira, Dag Myrhaug and Håvard...
Proceedings Papers

Proc. ASME. OMAE2011, Volume 2: Structures, Safety and Reliability, 893-902, June 19–24, 2011
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2011-50272
... 1 Copyright © 2011 by ASME Proceedings of OMAE2011 30th International Conference on Offshore Mechanics and Arctic Engineering (OMAE 2011) 19-24 June, Rotterdam, the Netherlands OMAE2011- 50272 PRACTICAL METHODS FOR ASSESSING THE RELIABILITY OF MOORING SYSTEMS Alberto Morandi Xiaobing Shi Global...
Proceedings Papers

Proc. ASME. OMAE2011, Volume 3: Materials Technology; Jan Vugts Symposium on Design Methodology of Offshore Structures; Jo Pinkster Symposium on Second Order Wave Drift Forces on Floating Structures; Johan Wichers Symposium on Mooring of Floating Structures in Waves, 893-901, June 19–24, 2011
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2011-49615
... broken cable offloading in tandem reliability failure modes 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...