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Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-220
... piping simulation assessment fe model crown upstream oil & gas piping design residual curvature method operation installation integrity asia government orientation lateral hydrotest offshore pipeline designing residual curvature method horizontal orientation flowline...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-252
... government flexible structure increment fe model analytical model bent flexible structure flexible pipe transverse curvature increment mechanical behaviour helical wire cross section round cross section rectangular wire curvature change Proceedings of the Thirty-third (2023) International...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-238
... geologist geology production logging singapore government thermal conductivity united states government petroleum play type heavy oil play conductivity reservoir surveillance oil sand soil thermal conductivity offshore pipeline fe model production control reheat onshore inner pipe control...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-155
... constructional steel research srinivasan chandrasekaran cope length strength upstream oil & gas stiffener platform offshore topside srinivasan chandrasekaran single-coped beam coped beam chandrasekaran fgm coped beam fe model steel beam coped steel beam numerical analysis...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-471
... government wave load mechanical system matrix time step artificial intelligence displacement fe model estimation scheme input load offshore jacket structure equation Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023...
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-22-154
... pipeline procedure extension crack growth calculation fe model pipeline girth weld cycle 2 flaw th cycle 0 cycle fatigue cycle 0 crack extension cdf Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022 Copyright © 2022...
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-22-410
... of the girth weld region is shown in Fig.9. Fig. 6 Aerogel insulation layer thermal 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...
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
... user subroutine development is to enable the FE model to use the stress-strain relations and yield surface evolution right from the first load curve with possible Lüders Plateau leading to the stabilized cycle, with the material property variations at each cycle. The Fortran subroutine has been...
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-19-270
... and Ocean University, Busan, Republic of Korea. 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...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-440
... burst capacity model regression model prediction fe model simulation mokhtari defect accuracy riser corrosion Next Generation Fracture Prediction Models of Pitted Pipelines for Cleaner Energy Transportation Mojtaba Mokhtari1&2, Robert E. Melchers1 1. Centre for Infrastructure Performance...
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 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-19-657
... formula nonlinear fe method ship ice pressure structural strength requirement lng strength fe method fpso gas monetization subsea system pc rule structural analysis procedure upstream oil & gas polar ship liquified natural gas structural analysis fe model ice load...
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...

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