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Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-132
... midstream oil & gas collapse pressure faceted pipeline conventional pipeline engineering pipeline faceted pipe triangular facet fe model titanium sample offshore pipeline albermani external pressure hyperbaric chamber coupon sample pipeline sample upstream oil & gas pipe...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-410
... conductivity Fig. 7 Aerogel insulation layer specific heat Fig. 9 FE model showing the welding passes In the heat transfer analysis, the heat flux was calculated using the heat input which is provided as ranges for individual passes, see Table 1. Maximum heat inputs were conservatively used in the simulation...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-154
... crack growth low cycle fatigue total crack growth dnv-rp-f108 offshore pipeline procedure extension crack growth calculation fe model pipeline girth weld cycle 2 flaw th cycle 0 cycle fatigue cycle 0 crack extension cdf ABSTRACT Three dimensional finite element based ECA...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-169
... ABSTRACT The 3-D FE model is established to simulate the bending moment of the large wall thickness submarine pipeline with high pressure of 56MPa in this paper (Liu, X, and Jia, X 2015). The results show that the bending moment resistance capacity from the FE simulations are higher than...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-185
... ABSTRACT Traditionally when the pipeline lateral buckling behaviour was analysed using Finite Element (FE) method, pipelines were normally modelled with beam elements without incorporation of torsional friction in the FE models. The neglection of torsional friction has limited impact on FE...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-484
... be accurately defined. In this paper, a 5,000DWT bulk carrier is modeled by explicit nonlinear software LS-DYNA. Meanwhile, a FE model of ship-rigid wall collision is developed and its impact force histories as well as impact force-displacement curves are analyzed in detail. A quasi-static method is employed...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-2142
... and validate the FE model are ongoing with variation of the following parameters: material property, diameter, wall thickness, plastic moment mismatch, with /without CRA liner. The reported research result is part of the on-going research and development project and further findings will be reported in due...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2159
... evolution installation load curve stress-strain curve fe model nonlinear kinematic Advanced Cyclical Numerical Material Model Supports Pipeline Reel-lay Shulong Liu, Eric Giry, Vincent Cocault-Duverger Flowline System Department, SAIPEM S.A. Montigny Le Bretonneux, Yvelines, France ABSTRACT Reel...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-4159
... for surface cracks in finite thickness plate is firstly developed. In order to overcome the limitation of reference solutions, three-dimensional finite element (FE) models have been created to calculate the SIFs for surface cracks with aspect ratio a/c =0.05∼1.0 and crack-depth to platethickness ratio a/T...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-657
... a solution on the implementation of structural analysis under ice load. A procedure of structural analysis based on linear and nonlinear FE methods was developed by considering ice load, hull structure, and strength criteria. Ice load is calculated based on IACS PC rule for linear FE model while...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-689
... to the motion of the structure. The potential theory is used for interpreting the wave exciting and inertial forces. roll motion mooring system wave frequency fe model heave resonance frequency bridge input wave frequency prototype model steady-state condition unit length experiment water...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-118
... a methodology for its calibration. The calibration is based on a parametric study conducted with an FE model, which is verified by the results of 1g model tests. The results indicate that the analytical model is able to represent the response of a suction bucket subjected to tensile loads, but the calibration...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-270
... ABSTRACT In this study, we introduce an efficient vibration analysis technique for ship structures employing the algebraic dynamic condensation (ADC) method. In the ADC method, the stiffness and mass matrices for the considered FE model are automatically partitioned into small size of matrices...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-440
...-shaped pit materials and corrosion burst capacity test well integrity pipeline corrosion artificial intelligence midstream oil & gas melcher burst capacity model regression model prediction fe model simulation mokhtari defect accuracy riser corrosion Next Generation Fracture...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-527
... of modified coefficient can be obtained. This study elaborates that bulkhead plays an important role in PIP impact damage. The difference between theoretical model of modified coefficient and FE model is in an acceptable range. The bulkhead can be regarded as a rigid body when the distance between impact...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-241
... with volumes of sales gas. The field layout and architecture is shown in Fig. 1. The subjects of this paper are the six oil production lines as follows: assessment buckle displacement sleeve pipe downhill anchor fe model inner pipe production flow axial displacement sleeper pipe lateral...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-461
... lined pipe investigations. Good agreements have been obtained between the FE results and the laboratory results. The predicted results from FE model has shown the potential of the advanced analysis methodology proposed in the paper. LINER DELAMINATION AT LONGITUDINAL WELD BEAD FAILURE MODE Problem...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-495
... with this for many years. offshore structure experiment upstream oil & gas operational modal analysis brincker identification spacial distribution mode shape modal parameter case study fe model wave loading estimation matrix loading wave height simulation load estimate load...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-464
...-to-composite hybrid joints can be critical to the structural response under impulsive loads such as an air blast or underwater explosion. dynamic loading cohesive parameter fe model completion installation and operations strength non-perforated joint steel plate grenestedt adherend stiffness...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-374
... ABSTRACT In this paper, a series of progressive damage FE models were established using nonlinear FEM software—Abaqus, which included a basic model of composite sandwich plate fastened with single countersunk bolt and several parameter changing models. Then, a parametric study on the ultimate...

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