..., Johyun Kyoung, Sagar Samaria, Anil Sablok Genesis Energies Houston, TX, USA ABSTRACT Keywords: Engineering Criticality Assessments, ECAs, This paper presents a time-domain S-N fatigue analysis and Structural Analysis, Time domain, Fatigue, Offshore platform, Fracture Mechanics, Fatigue Crack Growth, Life...

... mooing analysis chain fatigue FEA chain stopper Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30, 2021, Virtual, Online OMAE2021-62762 OUT-OF-PLANE BENDING (OPB) TEST OF LARGE DIAMETER MOORING CHAINS: TEST RESULTS M.R. Karimi...

...Abstract Abstract The spectral fatigue methodology is a widely accepted methodology to compute the fatigue life of an offshore platform. The ever-increasing demand for life extension of the existing floating platforms worldwide continues to grow. ABS Guide for Fatigue Assessment of Offshore...

... Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30, 2021, Virtual, Online OMAE2021-62568 BILINEAR FATIGUE PERFORMANCE OF COMPOSITE MARINE RISERS IN DEEP OFFSHORE FIELDS DUE TO VORTEX INDUCED VIBRATIONS Rizwan Ahmad Khan Suhail...

... Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30, 2021, Virtual, Online OMAE2021-62414 FATIGUE RELIABILITY-BASED INSPECTION PLANNING METHODOLOGY FOR CORRODED MOORING CHAIN LINKS Filipe A. Rezende1, Marina L. Simão, Ricardo S...

...Abstract Abstract The Reactive Flex-Joint (RFJ) is a nitrogen gas torsion springfully integrated in the LMRP-BOP stack. Its purpose is to reduce the dynamic loads and the fatigue damage applied to wellheads during drilling operations. The system achieves the reduction by applying a bending...

... Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30, 2021, Virtual, Online OMAE2021-62758 COMPARISON OF THE FATIGUE PERFORMANCE OF GALVANISED M72 BOLTS WITH DESIGN STANDARD RECOMMENDATIONS Carol Johnston Matthew Doré TWI Ltd TWI...

...) developing tools that allow fatigue damage to be estimated and accumulated for every location along the pipeline (6) sponsoring a joint industry program by DNVGL to quantify the effect of seabed proximity and trench effects on VIV. This paper provides an overview of these activities, with emphasis on recent...

.... of sand wave migration and scouring. This dynamic seabed can Current and wave action are constantly moving and eroding lead to dynamic pipeline spans, which may experience fatigue sediment by means of sand wave migration and scouring. It can damage due to Vortex-Induced Vibrations (VIV). Regular lead...

... the criticality of potential weld flaws. With ever increasing challenging environment (deepwater, HP/HT, aggressive fluid composition etc) in the oil and gas field, the fatigue damage and fracture failure may become a serious concern, consequently limiting the productivity of the pipeline fabrication...

... screening based on widely used industry guidelines indicates a susceptibility to FIV fatigue failure for the steel piping in the TCP jumper assembly. A comprehensive screening based on structural finite element analysis and computational fluid dynamics shows that the vibration levels and stress cycling due...

... for the direct estimation of vibration levels, stress, or fatigue damage. The third-tier assessment is termed a comprehensive screening and relies on computational fluid dynamics (CFD) to predict the flow-induced forcing, coupled to a structural finite element model to obtain the response of the piping...

... concept is studied in detail with an emphasis on be investigated in detail to ensure its long-lasting performance mooring design, fatigue life of elastic mooring systems and without malfunction or failure, also taking into consideration that umbilical cables, power performance of individual WECs vs...

...MOORING FATIGUE VERIFICATION OF THE WINDCRETE FOR A 15 MW WIND TURBINE Pau Trubat1, Climent Molins1, Daniel Alarcon1, Valentin Arramounet2, Mohammad Youssef Mahfouz3 1UPC-Barcelona-Tech, Barcelona, Catalunya 2INNOSEA, Nantes, France 3USTUTT, Stuttgart, Germany ABSTRACT LCOE reduction in FOWTs...

... of Electromechanical, Systems and Metal Engineering, Laboratory Soete, Belgium ABSTRACT A new fatigue lifetime assessment approach for offshore jacket structures is presented. It combines a previously developed numerical framework for automated determination of stress concentration factors in tubular joints...

...STRUCTURAL CONNECTION FATIGUE EVALUATION METHODOLOGY USING TIME DOMAIN APPROACH Sagar Samaria 1, Bob Zhang, Sudhakar Tallavajhula, Johyun Kyoung TechnipFMC Genesis Houston, Texas, U.S.A. ABSTRACT There is an ever-increasing demand for life extension of existing floating platforms worldwide...

... the use of DPT in coupled aero-hydro-servo-elastic time-domain analysis of a spar-type FOWT and illustrates the effect on tower and substructure fatigue life compared to using the classical Morison approach. floating offshore wind turbine FOWT Hywind spar hydrodynamics coupled analysis fatigue...

..., fatigue, FEA NOMENCLATURE ij interlink angle between link i and j aij Mid link to interlink correlation factors for both the bending moment and stiffness Ai(j) Cross section area of link j, arm reference i BES Bluewater Energy Services CALM Catenary Anchor Leg Mooring DIC digital Image correlation DNV GL...

... service. A three-tiered approach is used to assess the level of FIV threat expected in this TCP subsea jumper application. A high-level screening based on widely used industry guidelines indicates a high susceptibility to FIV fatigue failure for the steel product in the jumper, with no applicability...

...Abstract Abstract Composite materials have drawn considerable consideration from the offshore business, basically because of their high explicit quality. Notwithstanding weight decrease, composites offer extra advantages, for example, fatigue resistance, damping, and thermal (protection...