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Proceedings Papers

A Study on the Degree of Bending (DOB) in Two-Planar Tubular DYT-Joints of Offshore Jacket Structures: Geometrical Effects and Fatigue Design Formulation

Hamid Ahmadi, Hassan Karampour, Mahdi Ghorbani, Hamid Fard
Publisher: American Society of Mechanical Engineers
Proc. ASME. OMAE2023, Volume 2: Structures, Safety, and Reliability, V002T02A023, June 11–16, 2023
Paper No: OMAE2023-100940
https://doi.org/10.1115/OMAE2023-100940
View Paper titled, A Study on the Degree of Bending (DOB) in Two-Planar Tubular DYT-Joints of Offshore Jacket Structures: Geometrical Effects and Fatigue Design Formulation
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Topics: Fatigue, Fatigue design, Offshore platform jackets, Fatigue analysis, Stress concentration, Bracing (Construction), Chords (Trusses), Design, Fatigue life, Finite element analysis
Proceedings Papers

Numerical Study on Weld Magnification Method for a Semi-Circular Surface Crack Under an Arbitrary Stress Distribution

Phyo Myat Kyaw, Naoki Osawa, Satoyuki Tanaka, Ramy Gadallah
Proc. ASME. OMAE2022, Volume 2: Structures, Safety, and Reliability, V002T02A034, June 5–10, 2022
Paper No: OMAE2022-78529
https://doi.org/10.1115/OMAE2022-78529
View Paper titled, Numerical Study on Weld Magnification Method for a Semi-Circular Surface Crack Under an Arbitrary Stress Distribution
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Topics: Magnification, Stress, Stress concentration, Surface cracks, Welded joints
Proceedings Papers

Quantification of Pitting and Stress Concentration Factors on Steel Coupons Exposed to Seawater in the North Sea

Philippe Thibaux, Cedric Vanden Haute
Proc. ASME. OMAE2022, Volume 3: Materials Technology; Pipelines, Risers, and Subsea Systems, V003T03A007, June 5–10, 2022
Paper No: OMAE2022-79458
https://doi.org/10.1115/OMAE2022-79458
View Paper titled, Quantification of Pitting and Stress Concentration Factors on Steel Coupons Exposed to Seawater in the North Sea
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Topics: Corrosion, North Sea, Seawater, Steel, Stress concentration, Cathodic protection, Corrosion protection, Failure, Ocean engineering, Offshore structures
Proceedings Papers

Parametric Evaluation of Stress Concentration Factor (SCF) at Brace – Chord Intersection of a Ring Stiffened Tubular Joint

G. Chandra Sai Krishna, S. Nallayarasu
Proc. ASME. OMAE2021, Volume 6: Ocean Engineering, V006T06A045, June 21–30, 2021
Paper No: OMAE2021-62704
https://doi.org/10.1115/OMAE2021-62704
View Paper titled, Parametric Evaluation of Stress Concentration Factor (SCF) at Brace – Chord Intersection of a Ring Stiffened Tubular Joint
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Topics: Bracing (Construction), Chords (Trusses), Finite element methods, Stress concentration, Tubular joints
Proceedings Papers

Prediction of Stress Correction Factor for Welded Joints Using Response Surface Models

Arvind Keprate, Nikhil Donthi
Proc. ASME. OMAE2021, Volume 3: Materials Technology, V003T03A007, June 21–30, 2021
Paper No: OMAE2021-62948
https://doi.org/10.1115/OMAE2021-62948
View Paper titled, Prediction of Stress Correction Factor for Welded Joints Using Response Surface Models
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Topics: Response surface methodology, Stress, Welded joints, Finite element analysis, Errors, Testing, Event history analysis, Fatigue, Fittings, Flanges
Proceedings Papers

Comparative Study of Drilling Riser Running/Retrieving Analysis Methodologies

Leandro Vale, Conor Gallagher, Marcelo Souza, Daniel Carneiro
Proc. ASME. OMAE2021, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A035, June 21–30, 2021
Paper No: OMAE2021-62534
https://doi.org/10.1115/OMAE2021-62534
View Paper titled, Comparative Study of Drilling Riser Running/Retrieving Analysis Methodologies
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Topics: Pipeline risers, Finite element analysis, Stress, Water, American Petroleum Institute, Construction, Contact modeling, Drilling, Geometry, Mobile offshore drilling units
Proceedings Papers

A Multidimensional FEA Approach for Determination of Hot Spot Stresses in Offshore Jacket Structures

Kris Hectors, Hasan Saeed, Wim De Waele
Proc. ASME. IOWTC2021, ASME 2021 3rd International Offshore Wind Technical Conference, V001T01A020, February 16–17, 2021
Paper No: IOWTC2021-3532
https://doi.org/10.1115/IOWTC2021-3532
View Paper titled, A Multidimensional FEA Approach for Determination of Hot Spot Stresses in Offshore Jacket Structures
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Topics: Fatigue, Finite element analysis, Offshore platform jackets, Stress, Stress concentration, Tubular joints, Fatigue life, Waves, Fatigue analysis, Fatigue design
Proceedings Papers

Effects of Thickness and Winding Angle of the Laminate on Internal Pressure Capacity of Thermoplastic Composite Pipes

H. Xia, C. Shi, J. Wang, X. Bao, H. Li, G. Fu
Proc. ASME. OMAE2020, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A004, August 3–7, 2020
Paper No: OMAE2020-18046
https://doi.org/10.1115/OMAE2020-18046
View Paper titled, Effects of Thickness and Winding Angle of the Laminate on Internal Pressure Capacity of Thermoplastic Composite Pipes
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Topics: Laminates, Pipes, Pressure, Thermoplastic composites, Winding (process), Finite element analysis, Composite materials, Anisotropy, Computer software, Construction
Proceedings Papers

Dynamic Behaviour of a Free Hanging Vertical Pipe Forced to Oscillate at the Top

L. P. A. Sales, C. C. O. Trigo, L. C. Sevillano, C. K. Morooka
Proc. ASME. OMAE2020, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A055, August 3–7, 2020
Paper No: OMAE2020-18458
https://doi.org/10.1115/OMAE2020-18458
View Paper titled, Dynamic Behaviour of a Free Hanging Vertical Pipe Forced to Oscillate at the Top
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Topics: Pipes, Oscillations, Pipeline risers, Risers (Casting), Marine drilling risers, Ocean engineering, Vortex-induced vibration, Computer simulation, Drilling, Engineering simulation
Proceedings Papers

A Fundamental Study on Plastic Strain Accompanying Deformation in Large-Scale Floating Coal Transshipment Station

Ryo Nishigochi, Hiroaki Eto, Koji Iizuka, Tomoki Ikoma, Yasuhiro Aida, Koichi Masuda
Proc. ASME. OMAE2020, Volume 5: Ocean Space Utilization, V005T05A026, August 3–7, 2020
Paper No: OMAE2020-18962
https://doi.org/10.1115/OMAE2020-18962
View Paper titled, A Fundamental Study on Plastic Strain Accompanying Deformation in Large-Scale Floating Coal Transshipment Station
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Topics: Coal, Deformation, Breakwaters, Modeling, Stress, Stress concentration, Boundary-value problems, Floating bodies, Floating structures, Ocean engineering
Proceedings Papers

Detailed Finite Element Modeling of a High Capacity Mooring Steel Wire Rope: Calculation of the Stress Concentration Near the Connection

Michaël Martinez, Sébastien Montalvo
Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A057, August 3–7, 2020
Paper No: OMAE2020-18170
https://doi.org/10.1115/OMAE2020-18170
View Paper titled, Detailed Finite Element Modeling of a High Capacity Mooring Steel Wire Rope: Calculation of the Stress Concentration Near the Connection
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Topics: Finite element analysis, Modeling, Mooring, Ropes, Steel, Stress concentration, Wire, Finite element model, Fatigue life, Chain
Proceedings Papers

Stress Concentration Factors Calculation: Analytical and Numerical Approaches for Welded Tubular Joints

Nathalia Paruolo, Thalita Mello, Paula Teixeira, Marco Pérez
Proc. ASME. OMAE2020, Volume 2B: Structures, Safety, and Reliability, V02BT02A019, August 3–7, 2020
Paper No: OMAE2020-18848
https://doi.org/10.1115/OMAE2020-18848
View Paper titled, Stress Concentration Factors Calculation: Analytical and Numerical Approaches for Welded Tubular Joints
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Topics: Fatigue, Stress concentration, Tubular joints, Welded joints
Proceedings Papers

Evaluation of the Solutions for Calculating Misalignment-Induced Stress Concentration Factor at Girth Welds in Pipelines

Yan-Hui Zhang, Matthew Dore, Jazeel R. Chukkan
Proc. ASME. OMAE2020, Volume 3: Materials Technology, V003T03A014, August 3–7, 2020
Paper No: OMAE2020-18288
https://doi.org/10.1115/OMAE2020-18288
View Paper titled, Evaluation of the Solutions for Calculating Misalignment-Induced Stress Concentration Factor at Girth Welds in Pipelines
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Topics: Pipelines, Stress concentration, Welded joints
Proceedings Papers

Time Domain Fatigue Life Analysis of Offshore Jacket Structure

Yan Wei Wu
Proc. ASME. IOWTC2019, ASME 2019 2nd International Offshore Wind Technical Conference, V001T01A043, November 3–6, 2019
Paper No: IOWTC2019-7591
https://doi.org/10.1115/IOWTC2019-7591
View Paper titled, Time Domain Fatigue Life Analysis of Offshore Jacket Structure
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Topics: Fatigue life, Offshore platform jackets, Stress, Fatigue damage, Algorithms, Computer software, Damage, Fatigue analysis, Fatigue strength, Flow (Dynamics)
Proceedings Papers

Effect of Coal Loading Conditions on Structural Characteristics of LFTS

Hiroaki Eto, Koji Iizuka, Ryo Nishigochi, Tomoki Ikoma, Yasuhiro Aida, Koichi Masuda
Proc. ASME. OMAE2019, Volume 9: Rodney Eatock Taylor Honoring Symposium on Marine and Offshore Hydrodynamics; Takeshi Kinoshita Honoring Symposium on Offshore Technology, V009T13A047, June 9–14, 2019
Paper No: OMAE2019-96482
https://doi.org/10.1115/OMAE2019-96482
View Paper titled, Effect of Coal Loading Conditions on Structural Characteristics of LFTS
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Topics: Coal, Waves, Finite element methods, Ocean engineering, Stress concentration, Deformation, Design methodology, Displacement, Elasticity, Fracture toughness
Proceedings Papers

Improved Fatigue Design of SCR Modified Miner’s Rule

Hans Olav Knagenhjelm, Mons Hauge, Bård Nyhus
Proc. ASME. OMAE2019, Volume 5B: Pipelines, Risers, and Subsea Systems, V05BT04A033, June 9–14, 2019
Paper No: OMAE2019-95344
https://doi.org/10.1115/OMAE2019-95344
View Paper titled, Improved Fatigue Design of SCR Modified Miner’s Rule
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Topics: Fatigue design, Pipes, Carbon steel, Cycles, Waves, Fatigue, Fracture (Materials), Fracture (Process), Pipeline risers, Risers (Casting)
Proceedings Papers

A Study on Improvement of Fatigue Performance by Shot Blasted Surface Treatment

Toshihiro Fujii, Koji Gotoh, Junichi Deguchi, Koji Murakami
Proc. ASME. OMAE2019, Volume 4: Materials Technology, V004T03A044, June 9–14, 2019
Paper No: OMAE2019-95817
https://doi.org/10.1115/OMAE2019-95817
View Paper titled, A Study on Improvement of Fatigue Performance by Shot Blasted Surface Treatment
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Topics: Fatigue, Surface finishing, Fatigue strength, Stress, Welding, Shot peening, Information Analysis Centers, Shot blasting, Damage, Fatigue failure
Proceedings Papers

Theoretical Modeling of Steel Strip Reinforced Flexible Pipe With Swaging End Fitting by Taking Into Account Stress Concentration Effect

Yifan Gao, Wei Chen, Yong Bai
Proc. ASME. OMAE2019, Volume 5A: Pipelines, Risers, and Subsea Systems, V05AT04A012, June 9–14, 2019
Paper No: OMAE2019-95462
https://doi.org/10.1115/OMAE2019-95462
View Paper titled, Theoretical Modeling of Steel Strip Reinforced Flexible Pipe With Swaging End Fitting by Taking Into Account Stress Concentration Effect
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Topics: Displacement, Fittings, Modeling, Pipes, Pressure, Steel, Stress concentration, Strips, Thin wall structures
Proceedings Papers

A Three-Dimensional FE Approach for the Stress Analysis of Tensile Armors Inside End Fittings

Marcelo N. R. Miyazaki, José Renato M. de Sousa, Gilberto B. Ellwanger
Proc. ASME. OMAE2019, Volume 5A: Pipelines, Risers, and Subsea Systems, V05AT04A013, June 9–14, 2019
Paper No: OMAE2019-95506
https://doi.org/10.1115/OMAE2019-95506
View Paper titled, A Three-Dimensional FE Approach for the Stress Analysis of Tensile Armors Inside End Fittings
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Topics: Fittings, Stress analysis (Engineering), Armor, Stress, Stress concentration, Fatigue analysis, Finite element analysis, Pipes, Resins
Proceedings Papers

Fatigue Assessment of Dented Rigid Risers

Elvis J. O. Santander, Bianca Pinheiro, Carlos Magluta, Ney Roitman
Proc. ASME. OMAE2019, Volume 5B: Pipelines, Risers, and Subsea Systems, V05BT04A027, June 9–14, 2019
Paper No: OMAE2019-96741
https://doi.org/10.1115/OMAE2019-96741
View Paper titled, Fatigue Assessment of Dented Rigid Risers
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Topics: Fatigue, Pipeline risers, Risers (Casting), Shock (Mechanics), Stress concentration, Accidents, Computer simulation, Dimensions, Failure, Fatigue life