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Proceedings Papers

Use of HDPE Piping in Buried Nuclear Class 3 Systems Categorized as Low Safety Significant

J. E. (Jim) O’Sullivan
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A078, July 17–22, 2022
Paper No: PVP2022-84425
DOI: https://doi.org/10.1115/PVP2022-84425
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Topics: Pipes, Risk, Safety
Proceedings Papers

Detection of Mooring Line Failure of a Spread-Moored FPSO: Part 1 — Development of an Artificial Neural Network Based Model

Djoni E. Sidarta, Ho-Joon Lim, Johyun Kyoung, Nicolas Tcherniguin, Timothee Lefebvre, Jim O’Sullivan
Proc. ASME. OMAE2019, Volume 1: Offshore Technology; Offshore Geotechnics, V001T01A042, June 9–14, 2019
Paper No: OMAE2019-96288
DOI: https://doi.org/10.1115/OMAE2019-96288
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Topics: Artificial neural networks, Failure, FPSO, Mooring, Offshore platforms, Computer simulation, Vessels, Algorithms, Artificial intelligence, Damage
Proceedings Papers

Numerical Modeling Practice and Verification of the Wind Load Estimation for FPSO and Semi-Submersible

SeongMo Yeon, Hyunchul Jang, Jang Whan Kim, JooSung Kim, Bo Woo Nam, Zhenjia Huang, Jim O’Sullivan, Hyun Joe Kim, Sa Young Hong
Proc. ASME. OMAE2019, Volume 1: Offshore Technology; Offshore Geotechnics, V001T01A007, June 9–14, 2019
Paper No: OMAE2019-96429
DOI: https://doi.org/10.1115/OMAE2019-96429
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Topics: Computer simulation, FPSO, Semi-submersible offshore structures, Stress, Wind, Modeling, Ocean engineering, Floating structures, Computational fluid dynamics, Design
Proceedings Papers

Temporary Acceptance of Leaking Brazed Joints

J. E. (Jim) O’Sullivan, Kevin J. Hacker
Proc. ASME. PVP2018, Volume 1B: Codes and Standards, V01BT01A063, July 15–20, 2018
Paper No: PVP2018-84779
DOI: https://doi.org/10.1115/PVP2018-84779
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Topics: Leakage, Copper, Testing, Maintenance, Nickel, Pipes, Piping systems, Risk, ASME Standards, Collapse
Proceedings Papers

Damage Detection of Offshore Platform Mooring Line Using Artificial Neural Network

Djoni E. Sidarta, Jim O’Sullivan, Ho-Joon Lim
Proc. ASME. OMAE2018, Volume 1: Offshore Technology, V001T01A058, June 17–22, 2018
Paper No: OMAE2018-77084
DOI: https://doi.org/10.1115/OMAE2018-77084
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Topics: Artificial neural networks, Damage, Mooring, Offshore platforms, FPSO, Failure, Seas, Semi-submersible offshore structures, Vessels, Algorithms
Proceedings Papers

Advances in Nuclear Non-Metallic Repair/Replacement Activities

J. E. (Jim) O’Sullivan
Proc. ASME. PVP2017, Volume 1B: Codes and Standards, V01BT01A056, July 16–20, 2017
Paper No: PVP2017-65942
DOI: https://doi.org/10.1115/PVP2017-65942
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Topics: Maintenance, Carbon fibers, Composite materials, Density, Nonmetallic materials, Pipes
Proceedings Papers

Prediction of Offshore Platform Mooring Line Tensions Using Artificial Neural Network

Djoni E. Sidarta, Johyun Kyoung, Jim O’Sullivan, Kostas F. Lambrakos
Proc. ASME. OMAE2017, Volume 1: Offshore Technology, V001T01A079, June 25–30, 2017
Paper No: OMAE2017-61942
DOI: https://doi.org/10.1115/OMAE2017-61942
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Topics: Artificial neural networks, Mooring, Offshore platforms, Seas, Computer simulation, Vessels, Algorithms, Design, Fatigue, Semi-submersible offshore structures
Proceedings Papers

Investigation on the VIM Mitigation of the HVS Semisubmersible

Johyun Kyoung, Jang Whan Kim, Hyunchul Jang, Kostas Lambrakos, Jim O’Sullivan
Proc. ASME. OMAE2015, Volume 1: Offshore Technology; Offshore Geotechnics, V001T01A021, May 31–June 5, 2015
Paper No: OMAE2015-41188
DOI: https://doi.org/10.1115/OMAE2015-41188
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Topics: Semi-submersible offshore structures, Computational fluid dynamics, Hull, Vortex shedding, Vortices
Proceedings Papers

Model Tests With the HVS Semisubmersible for Dry Tree Application

Johyun Kyoung, Chan-Kyu Yang, Kostas Lambrakos, Jim O’Sullivan
Proc. ASME. OMAE2014, Volume 8B: Ocean Engineering, V08BT06A015, June 8–13, 2014
Paper No: OMAE2014-23965
DOI: https://doi.org/10.1115/OMAE2014-23965
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Topics: Semi-submersible offshore structures, Hull, Keel, Pipeline risers, Risers (Casting), Mooring, Damping, Engineering prototypes, Gulf of Mexico, Plates (structures)
Proceedings Papers

Benchmark of CFD Modeling of TLP Free Motion in Extreme Wave Event

Guangyu Wu, Hyunchul Jang, Jang Whan Kim, Wei Ma, Muo-Chung Wu, Jim O’Sullivan
Proc. ASME. OMAE2014, Volume 2: CFD and VIV, V002T08A086, June 8–13, 2014
Paper No: OMAE2014-24658
DOI: https://doi.org/10.1115/OMAE2014-24658
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Topics: Computational fluid dynamics, Modeling, Tension-leg platforms, Waves, Tendons, Tension, Engineering simulation, Flow (Dynamics), Simulation, Computer software
Proceedings Papers

Validation of the HVS Semisubmersible Global Performance by Model Tests

Johyun Kyoung, C. K. Yang, Jim O’Sullivan, Thiago Miliante
Proc. ASME. OMAE2013, Volume 1: Offshore Technology, V001T01A022, June 9–14, 2013
Paper No: OMAE2013-10402
DOI: https://doi.org/10.1115/OMAE2013-10402
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Topics: Semi-submersible offshore structures, Hull, Mooring, Waves, Wind, Buoyancy, Engineering prototypes, Excitation, Gulf of Mexico, Numerical analysis
Proceedings Papers

A Comparison Study of Improved SCR Response for HVS Semisubmersible

Xiaoning Jing, Roger Qian, Yongming Cheng, Kostas Lambrakos, Jim O’Sullivan, James Ermon
Proc. ASME. OMAE2013, Volume 4B: Pipeline and Riser Technology, V04BT04A015, June 9–14, 2013
Paper No: OMAE2013-10977
DOI: https://doi.org/10.1115/OMAE2013-10977
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Topics: Semi-submersible offshore structures, Fatigue, Hull, Water, Compression, Damage, Dimensions, Fatigue life, Gulf of Mexico, Mooring
Proceedings Papers

Ringing Analysis of a Vertical Cylinder by Euler Overlay Method

Jang Kim, Jim O’Sullivan, Alex Read
Proc. ASME. OMAE2012, Volume 4: Offshore Geotechnics; Ronald W. Yeung Honoring Symposium on Offshore and Ship Hydrodynamics, 855-866, July 1–6, 2012
Paper No: OMAE2012-84091
DOI: https://doi.org/10.1115/OMAE2012-84091
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Topics: Cylinders, Overlays (Materials engineering), Stress, Computational fluid dynamics, Waves, Computation, Damping, Fluids, Offshore structures
Proceedings Papers

Validation of HVS Semisubmersible VIM Performance by Model Test and CFD

Qi Xu, Jang Kim, Tirtharaj Bhaumik, Jim O’Sullivan, James Ermon
Proc. ASME. OMAE2012, Volume 1: Offshore Technology, 175-185, July 1–6, 2012
Paper No: OMAE2012-83207
DOI: https://doi.org/10.1115/OMAE2012-83207
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Topics: Computational fluid dynamics, Semi-submersible offshore structures, Design, Gulf of Mexico, Model basin, Rotation, Steel catenary risers
Proceedings Papers

Numerical Wave Tank Analysis of Wave Run-Up on a Truncated Vertical Cylinder

Jang Kim, Rajeev Jaiman, Steve Cosgrove, Jim O’Sullivan
Proc. ASME. OMAE2011, Volume 1: Offshore Technology; Polar and Arctic Sciences and Technology, 805-814, June 19–24, 2011
Paper No: OMAE2011-50283
DOI: https://doi.org/10.1115/OMAE2011-50283
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Topics: Cylinders, Waves, Computational fluid dynamics, Attractors, Diffraction, Geometry, Kinematics, Navier-Stokes equations, Overlays (Materials engineering)
Proceedings Papers

Global Performance and Sloshing Analysis of a New Deep-Draft Semi-Submersible LNG FPSO

Jang W. Kim, Jim O’Sullivan, Atle Steen, John Halkyard
Proc. ASME. OMAE2008, Volume 1: Offshore Technology, 881-889, June 15–20, 2008
Paper No: OMAE2008-58001
DOI: https://doi.org/10.1115/OMAE2008-58001
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Topics: FPSO, Liquefied natural gas, Semi-submersible offshore structures, Sloshing, Hull, Center of mass, Construction, Containment systems, Downtime, Liquefaction