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Abstract OMAE2020-18609. The Chain FEARS (Finite Element Analysis of Residual Strength) JIP developed a correlated FEA method for determining fatigue life of Tension …

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Abstract. In 2002, several mooring chains of a deepwater offloading buoy failed prematurely within a very small time frame. These chains were designed according to conventional …

The chain OPB (out of plane bending)/IPB (in plane bending)-induced fatigue drew industry's attention after the report of Girasol SPMB (singlepoint-mooring-buoy) chain-mooring failure in 2002 [1].

OPB Passport is a free benefit of OPB membership. OPB Passport gives members extended access to stream thousands of programs on demand. Support OPB and watch your favorite shows, insightful ...

The Chain OPB JIP performed OPB fatigue testing on a few full-size c hain samples of different size a nd grade and recommended a two-sloped S- N curve for freely corrod ing chains in s eawater.

Abstract. Chevron Corporation and Bluewater Energy Services (BES) performed a chain out-of-plane bending (OPB) test, called OPB MAX hereafter, at DNV GL's laboratory in Høvik-Norway. The test was performed to study the OPB phenomenon for a chain diameter which was larger than the maximum diameter tested by the OPB JIP. The goal was to …

DOI: 10.1115/OMAE2016-54198 Corpus ID: 114402910; Chain Out of Plane Bending (OPB) Fatigue Joint Industry Project (JIP) FEA Results and Multiaxiality Study Results …

A Joint Industry Project (JIP), gathering 26 different companies, was started in 2007 to better understand the Out of Plane Bending (OPB) mooring chain fatigue mechanism …

CHAIN OUT OF PLANE BENDING (OPB) FATIGUE JOINT INDUSTRY PROJECT (JIP) Lucile Rampi a, Pedro Vargas b a SBM Offshore, Monaco b Chevron Energy Technology Co, Houston, USA Abstract. A Joint Industry ...

Rampi, L, Dewi, F, Francois, M, Gerthoffert, A, & Vargas, P. "Chain Out of Plane Bending (OPB) Fatigue Joint Industry Project (JIP) Static Test Program and OPB Interlink Stiffness." Proceedings of the ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. Volume 1: Offshore Technology; Offshore Geotechnics. Busan ...

Figure 1 summarizes the utilized tension load vs. chain diameter during tests performed in the framework of the OPB JIP [6], the recent projects design pretension and the OPB tests reported in ...

Out-of-Plane Bending (OPB) fatigue of mooring chains was first identified as a failure mechanism after the failure of several mooring chains of a deep water offloading buoy in …

Abstract. Chevron Corporation and Bluewater Energy Services performed a chain out-of-plane bending (OPB) test campaign, called OPB MAX hereafter, at DNV's laboratory in Høvik-Norway. The test was performed to study the OPB phenomenon for a chain diameter which was larger than the maximum diameter tested by the OPB JIP [12]. The goal was …

Out-of-Plane Bending (OPB) fatigue of mooring chains was first identified as a failure mechanism after the failure of several mooring chains of a deep water offloading buoy in 2002. The discovery of this failure mechanism resulted in a Joint Industry Project (JIP) that ran from 2007 to 2013 and provided valuable insights as well as a design methodology. …

Request PDF | Chain Out of Plane Bending (OPB) Fatigue Joint Industry Project (JIP) FEA Results and Multiaxiality Study Results | In 2002, several mooring chains of a deepwater offloading buoy ...

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Download scientific diagram | Standard torsion specimen (non corroded and corroded) from publication: METHODOLOGY TO ACCOUNT FOR CORROSIVE ENVIRONMENT ON ACCELERATED FATIGUE TEST ON MOORING CHAINS ...

Project(JIP) Static Test Progra m and OPB Interlink Stiffness. Proceedings of the 35 th International Conf erence on O ffshore Mechanics and Arctic Engineering, Busan, South Korea.

The chain OPB (out of plane bending)/IPB (in plane bending)-induced fatigue drew industry's attention after the report of Girasol SPMB (singlepoint-mooring-buoy) chain …

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In 2002, several mooring chains of a deepwater offloading buoy failed prematurely within a very small time frame. These chains were designed according to conventional offshore fatigue assessment using API recommendations. With this first deepwater buoy application, a new mooring chain fatigue mechanism was discovered. High pretension levels …

A Joint Industry Project (JIP), gathering 26 different companies, was started in 2007 to better address the Out of Plane Bending (OPB) mooring chain fatigue mechanism and propose some mooring ...

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Chain OPB fatigue JIP main findings and design calculation parameters Within the course of this JIP, an endeavour that took nearly seven years to complete, a greater …

The mooring system is essential for floating structures withstanding harsh environmental conditions, such as corrosion and variant wave loads. Failures of mooring systems has attracted researchers in different fields related to on-shore and off-shore activities. In this work, a study is conducted on a failed chain by conventional metallurgical failure …

OPB fatigue uses the inter-link angular rotation converted to a stress (under constant chain tension) as a source of fatigue. Figure 1 shows the failure of a 81mm mooring chain in OPB.

DOI: 10.1115/OMAE2016-54198 Corpus ID: 114402910; Chain Out of Plane Bending (OPB) Fatigue Joint Industry Project (JIP) FEA Results and Multiaxiality Study Results @inproceedings{Rampi2016ChainOO, title={Chain Out of Plane Bending (OPB) Fatigue Joint Industry Project (JIP) FEA Results and Multiaxiality Study Results}, author={Lucile …

Figure 1 summarizes the utilized tension load vs. chain diameter during tests performed in the framework of the OPB JIP [6], the recent projects design pretension and the OPB tests reported in ...

A private company presented a variety of findings on the OPB effects from the so-called 'Out of Plane Bending' Joint Industry Project (JIP) ( Rampi et al., 2015;Rampi et al., …

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