... ABSTRACT This paper presents a study in more realistic techniques for fatigue analysis and how they could enable the installation of steel catenary risers (SCR) in ultra-deepwaters without imposing any significant risks, since simplified analysis may reject feasible solutions due...

... not being able to recover the drilling risers in time before the evacuation of personnel or sailing for shelters, with potentially devastating consequences. china government deepwater drilling riser joint system viv fatigue life drilling riser hang-off joint hang-off length fatigue analysis...

... ABSTRACT Several studies have incorporated the trench effect into the SCR's fatigue analysis based on the two main approaches: artificial insertion of a trench profile in the TDZ, and automated trench formation using non-linear hysteretic riser-seabed interaction models. There have been...

... fatigue analysis higher order component Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-80-7; ISSN 1098-6189...

... affected by sensitivity parameters (drag coefficient, buoyancy factor, seabed soil stiffness and etc.) in the nonlinear time-domain dynamic response. Zhen and Yang (2011) found that multi-axial fatigue can more truly reflect the fatigue damage of structure than the uniaxial fatigue analysis based...

.... mast investigation fatigue analysis ay 0 load condition fatigue life mast base sea state fatigue phenomenon gravity calculation structural component stress distribution fatigue damage navigation procedure ship evaluation ax 0 alii Proceedings of the Thirty-second (2022...

... ABSTRACT Offshore wind turbine (OWT) gradually attracts people's attention for solving energy shortage and environmental pollution. The fatigue analysis of OWT is our research emphasis, since OWT fatigue damage is one of its main forms of damage during the long term. This paper focuses...

... configuration, or add VIV strakes, etc. subsea system thermal cycle stress amplitude axial force upstream oil & gas temperature condition fatigue analysis deep-water m-shape jumper chunhong hu jumper vibration fatigue life frequency low temperature condition perpendicular fatigue damage...

... Abstract In conducting fatigue analysis of the mooring system of floating offshore wind turbine, there was uncertainty in determining the range of sea conditions, so it was necessary to clarify this. In recent years, there has been increasing interest in floating wind turbines, but no country...

... ABSTRACT Offshore cranes are less frequently used than onshore cranes. Because of the reasons, fatigue analysis of offshore crane has often been ignored or performed with a nominal stress approach based on FEM1,001. Recently, ultra-high tensile steel has been used for crane structure...

... also have uncertainty. monte carlo simulation significance fatigue analysis steel catenary riser elementary effect coefficient drag coefficient probability tdp morris method fatigue damage tdz interaction scr fatigue scr fatigue life sensitivity analysis Probability study...

... of fatigue damage become particularly important. Spectral fatigue analysis approach is a computationally efficient method to describe the random nature of environmental ocean wave conditions during calculating wave loads on the offshore jacket structures and subsequently structural responses. However, its...

... analysis result fatigue analysis tower platform 8-leg cpt water depth wave period nonlinearity 12-leg cpt subsea system natural period cpt stress check compliant tower platform platform south china sea foundation pile configuration use moses Compliant Piled Tower Technology and its...

.... (2012) and Balena and Williams (2009). buoyancy module bin arc length platform ocean energy renewable energy upstream oil & gas hang-off tension end load fatigue analysis power cable survival condition strength fatigue life mooring system dynamic analysis minimum bend radius...

... with the transportation vessel. Thus, to check the safety of the structure for the transportation period, the fatigue analysis of the seafastening structures in the coupled behavior of the transportation vessel and the topside is conducted in this work. Rainflow count algorithm is used to analyze a fatigue damage...

... prediction of the fatigue damage and fatigue life of the riser is of great significance to the deep-water drilling engineering. dynamic analysis deep-water drilling sn curve fatigue damage characteristic analysis marine drilling riser wave height fatigue analysis drilling riser operation...

... that is connected to a semisubmersible and interacts with the non-linear seabed. Uncertainty is involved in both the stress and resistance components and is well documented in the literature as characterising the probabilistic nature of reliability-based fatigue analysis. Engineers must know the potential effects...

..., 2016). However, the wind load will influence the dynamic response of offshore wind turbine structures more significantly, and the load level of the fatigue loads as well as the number of load cycles to be considered is considerably higher (Dong et al, 2011). Focused on fatigue analysis of offshore wind...

..., Regression analysis, Fatigue analysis, Wide band process INTRODUCTION A fatigue analysis for offshore floating wind turbines is a highly complex problem due to nonlinearity of excitations, large platform motions and mooring forces. For this structure, time domain approach which calculates hot spot stress...

... carried out by coupling fluid - structure in order to predict fatigue damage. In this study, in order to predict the fatigue damage of large container ship under wide band random loads, the fatigue analysis was performed based on modal superposition approach. The calculated stress RAO was applied...