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Keywords: fatigue damage
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Proceedings Papers

Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A009, June 21–30, 2021
Paper No: OMAE2021-62724
..., and Keywords: S-N curve, Reliability, FORM, Weibull 50% of them have reached their design life but still operating due distribution, fatigue life, and fatigue damage. to existing oil and gas reserves. Even if a time of duty of those aging structures would generally be considered for retirement...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 2: Structures, Safety, and Reliability, V002T02A023, June 21–30, 2021
Paper No: OMAE2021-64973
... induced OrcaFlex and FAST. Based on these codes, Luan et al. presented fatigue damage at the welding joints around the flanges. A and validated a time-domain approach to determine the sectional coupled aero-hydro-servo-elastic analysis is conducted to force and moments of floating structures...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 2A: Structures, Safety, and Reliability, V02AT02A034, August 3–7, 2020
Paper No: OMAE2020-18350
...Abstract Abstract The climate change may affect the long-term wave statistics and consequently affect the cumulative fatigue damage. This paper aims to project the trend of annual fatigue damage of offshore floating structures and to detect the climate change impact on the future fatigue damage...
Proceedings Papers

Proc. ASME. OMAE2013, Volume 2A: Structures, Safety and Reliability, V02AT02A060, June 9–14, 2013
Paper No: OMAE2013-10794
... The method is developed for calculating the fatigue damage caused by the combined high and low frequency loads, which are both narrowband Gaussian processes. For the combined high and low frequency process taken as a special case of the wide band Gaussian process, the rain-flow counting...
Proceedings Papers

Proc. ASME. OMAE2012, Volume 2: Structures, Safety and Reliability, 349-356, July 1–6, 2012
Paper No: OMAE2012-83612
... A major challenge in the design of a mooring line or riser is the evaluation of the fatigue damage accumulated over the lifetime of the structure. The long-term environmental condition is usually represented by a scatter diagram, or a joint probability density of the significant waveheight...
Proceedings Papers

Proc. ASME. OMAE2012, Volume 2: Structures, Safety and Reliability, 145-153, July 1–6, 2012
Paper No: OMAE2012-83293
... their designed life, while other ships develop fatigue cracks far too early. The current investigation presents some of the most important uncertainties and their effects on the accuracy of fatigue assessments in a container vessel. The study emphasizes the analysis of the fatigue damage variation when the ship...
Proceedings Papers

Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 4, 827-835, June 6–11, 2010
Paper No: OMAE2010-20740
... of one old jacket platform in Bohai Bay is carried on, which can provide a warrant for owners to repair or reject platforms. Ice-resistant jacket platform fatigue damage safety assessment 1 Copyright © 20xx by ASME Proceedings of the 29th International Conference on Ocean, Offshore and Arctic...
Proceedings Papers

Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 2, 123-131, June 6–11, 2010
Paper No: OMAE2010-20124
... 10 01 2011 Wave-induced vibrations, also known as whipping and springing, are defined as the high frequency response of ship structures. In this paper, the fatigue damage caused by whipping and springing is presented by investigating the amidships section of a 2800 TEU container ship...
Proceedings Papers

Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 2, 31-39, June 6–11, 2010
Paper No: OMAE2010-20045
... parameters that may contribute meaningfully to the uncertainty of the fatigue damage. From this list, several parameters are selected for sensitivity studies using the commercial package Orcaflex. It is found that variations in seabed parameters such as soil stiffness, soil suction and seabed trench can have...
Proceedings Papers

Proc. ASME. OMAE2008, Volume 1: Offshore Technology, 35-42, June 15–20, 2008
Paper No: OMAE2008-57034
.... The efficiency of optimally designed tuned mass damper for fatigue damage mitigation in realistic steel jacket platforms has been evaluated in this study. Full stochastic spectral analysis method has been employed to estimate the maximum fatigue damage as objective function to be minimized. This leads to a min...