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Journal Articles

Erratum: “Stress Concentration Factors at Welded Connections Between Tubular Sections and a Transverse Plate” [ASME J. Offshore Mech. Arct. Eng., 2021, 143(4), p. 041701; DOI: 10.1115/1.4049063 ]

Inge Lotsberg

J. Offshore Mech. Arct. Eng. December 2021, 143(6): 067001.

Paper No: OMAE-21-1119

DOI: https://doi.org/10.1115/1.4052362

Published Online: September 22, 2021

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Topics: Ocean engineering, Stress concentration

Journal Articles

Stress Concentration Factors at Welded Connections Between Tubular Sections and a Transverse Plate

Inge Lotsberg

J. Offshore Mech. Arct. Eng. August 2021, 143(4): 041701.

Paper No: OMAE-20-1068

DOI: https://doi.org/10.1115/1.4049063

Published Online: November 25, 2020

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Topics: Stress concentration, Stress, Shells

Journal Articles

Development of Fatigue Design Standards for Marine Structures

Inge Lotsberg

J. Offshore Mech. Arct. Eng. June 2019, 141(3): 031301.

Paper No: OMAE-17-1223

DOI: https://doi.org/10.1115/1.4041993

Published Online: January 17, 2019

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Topics: Design, Fatigue, Fatigue design, Offshore structures, Ships, Stress, Marine structures, Wind turbines, Pipeline risers, Risers (Casting)

Proceedings Papers

The Rationale for Update of S-N Curves for Single Sided Girth Welds for Risers and Pipelines in DNV GL RP C-203 Based on Fatigue Performance of More Than 1700 Full Scale Fatigue Test Results

Agnes Marie Horn, Inge Lotsberg, Oddvin Orjaseater

Proc. ASME. OMAE2018, Volume 4: Materials Technology, V004T03A024, June 17–22, 2018

Paper No: OMAE2018-78408

DOI: https://doi.org/10.1115/OMAE2018-78408

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Topics: Fatigue, Fatigue testing, Pipeline risers, Pipelines, Risers (Casting), Welded joints, Pipes, Currents, Failure, Stress

Journal Articles

Fatigue Design Recommendations for Conical Connections in Tubular Structures

Inge Lotsberg

J. Offshore Mech. Arct. Eng. February 2019, 141(1): 011604.

Paper No: OMAE-17-1225

DOI: https://doi.org/10.1115/1.4040800

Published Online: August 13, 2018

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Topics: Design, Fatigue design, Junctions, Shells, Stress, Stress concentration, Manufacturing

Proceedings Papers

Fatigue Design Recommendations for Conical Connections in Tubular Structures

Inge Lotsberg

Proc. ASME. OMAE2017, Volume 4: Materials Technology, V004T03A026, June 25–30, 2017

Paper No: OMAE2017-61144

DOI: https://doi.org/10.1115/OMAE2017-61144

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Topics: Fatigue design, Manufacturing, Stress, Cylinders, Design, Fatigue, Stress concentration, Structural elements (Construction), Uncertainty, Wind turbines

Proceedings Papers

Assessment of Fatigue Strength of Welded Connections in Thick Plates

Kashif Kamran Toor, Inge Lotsberg

Proc. ASME. OMAE2017, Volume 4: Materials Technology, V004T03A036, June 25–30, 2017

Paper No: OMAE2017-61143

DOI: https://doi.org/10.1115/OMAE2017-61143

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Topics: Fatigue strength, Plates (structures), Design, Fatigue, Stress, Wind turbines, Manufacturing, Steel

Proceedings Papers

Development of Fatigue Design Standards for Marine Structures

Inge Lotsberg

Proc. ASME. OMAE2017, Volume 9: Offshore Geotechnics; Torgeir Moan Honoring Symposium, V009T12A005, June 25–30, 2017

Paper No: OMAE2017-62516

DOI: https://doi.org/10.1115/OMAE2017-62516

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Topics: Fatigue design, Marine structures, Fatigue, Design, North Sea, Offshore structures, Ships, Stress, Tension-leg platforms, Wind turbines

Proceedings Papers

Background for Revision of DNVGL-RP-C203 Fatigue Design of Offshore Steel Structures in 2016

Inge Lotsberg, Arne Fjeldstad, Knut O. Ronold

Proc. ASME. OMAE2016, Volume 4: Materials Technology, V004T03A015, June 19–24, 2016

Paper No: OMAE2016-54939

DOI: https://doi.org/10.1115/OMAE2016-54939

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Topics: Fatigue design, Ocean engineering, Steel, Surface roughness, Cathodic protection, Coating processes, Coatings, Fatigue, Manufacturing, Pipelines

Proceedings Papers

Stress Concentration Factors for Butt Welds in Plated Structures

Inge Lotsberg, Harald Rove

Proc. ASME. OMAE2014, Volume 5: Materials Technology; Petroleum Technology, V005T03A008, June 8–13, 2014

Paper No: OMAE2014-23316

DOI: https://doi.org/10.1115/OMAE2014-23316

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Topics: Stress concentration, Welded joints, Plates (structures), Geometry, Accounting, Fatigue analysis, Finite element analysis, Manufacturing, Semi-submersible offshore structures, Ships

Proceedings Papers

Assessment of the Size Effect in Fatigue Analysis of Butt Welds and Cruciform Joints

Inge Lotsberg

Proc. ASME. OMAE2014, Volume 5: Materials Technology; Petroleum Technology, V005T03A004, June 8–13, 2014

Paper No: OMAE2014-23187

DOI: https://doi.org/10.1115/OMAE2014-23187

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Topics: Fatigue analysis, Size effect, Welded joints, Design, Fatigue design, Fatigue testing, Calibration, Dynamic testing (Materials), Electromagnetic scattering, Fatigue

Proceedings Papers

A New Recommended Practice for Inspection Planning of Fatigue Cracks in Offshore Structures Based on Probabilistic Methods

Inge Lotsberg, Gudfinnur Sigurdsson

Proc. ASME. OMAE2014, Volume 5: Materials Technology; Petroleum Technology, V005T03A005, June 8–13, 2014

Paper No: OMAE2014-23188

DOI: https://doi.org/10.1115/OMAE2014-23188

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Topics: Fatigue cracks, Inspection, Offshore structures, Fatigue, Fracture (Materials), Fracture mechanics, In-service inspection, Probability, Design, Education

Proceedings Papers

Assessment of Capacity of Grouted Connections in Piled Jacket Structures

Inge Lotsberg, Gunnar Solland

Proc. ASME. OMAE2013, Volume 2B: Structures, Safety and Reliability, V02BT02A003, June 9–14, 2013

Paper No: OMAE2013-10850

DOI: https://doi.org/10.1115/OMAE2013-10850

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Topics: Compressive stress, Databases, Design, Dynamic testing (Materials), Failure mechanisms, Fatigue, Pressure, Steel, Stress, Tension

Proceedings Papers

Fatigue Life Improvement of Welded Doubling Plates

Inge Lotsberg, Arne Fjeldstad, Morten Ro Helsem, Narve Oma

Proc. ASME. OMAE2012, Volume 6: Materials Technology; Polar and Arctic Sciences and Technology; Petroleum Technology Symposium, 195-202, July 1–6, 2012

Paper No: OMAE2012-83683

DOI: https://doi.org/10.1115/OMAE2012-83683

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Topics: Fatigue, Fatigue life, Grinding, Plates (structures)

Proceedings Papers

On the Structural Capacity of Grouted Connections in Offshore Structures

Inge Lotsberg, Andrzej Serednicki, Espen Cramer, Ha˚kon Bertnes, Per Enggaard Haahr

Proc. ASME. OMAE2011, Volume 3: Materials Technology; Jan Vugts Symposium on Design Methodology of Offshore Structures; Jo Pinkster Symposium on Second Order Wave Drift Forces on Floating Structures; Johan Wichers Symposium on Mooring of Floating Structures in Waves, 667-677, June 19–24, 2011

Paper No: OMAE2011-49169

DOI: https://doi.org/10.1115/OMAE2011-49169

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Topics: Offshore structures, Wind, Design, Dynamic testing (Materials), Flow (Dynamics), Ocean engineering, Safety

Proceedings Papers

On the Derivation of Design S-N Curves Based on Limited Fatigue Test Data

Inge Lotsberg, Knut O. Ronold

Paper No: OMAE2011-49175

DOI: https://doi.org/10.1115/OMAE2011-49175

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Topics: Design, Fatigue testing

Proceedings Papers

Development of Structural Steel With High Resistance to Fatigue Crack Initiation and Growth: Part 4

Noboru Konda, Kazushige Arimochi, Akinori Inami, Yukichi Takaoka, Takumi Yoshida, Inge Lotsberg

Paper No: OMAE2011-49501

DOI: https://doi.org/10.1115/OMAE2011-49501

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Topics: Fatigue cracks, Structural steel, Steel, Fatigue strength, Design, Fatigue, Fatigue properties, Fracture (Materials), Ships, Welded joints

Proceedings Papers

System Effects in Fatigue Design of Long Pipes and Pipelines

Inge Lotsberg, Kim Mo̸rk, Sverre Valsga˚rd, Gudfinnur Sigurdsson

Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 6, 117-124, June 6–11, 2010

Paper No: OMAE2010-20647

DOI: https://doi.org/10.1115/OMAE2010-20647

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Topics: Cylinders, Design, Fatigue, Fatigue design, Manufacturing, Pipelines, Pipes, Safety, Transportation systems

Proceedings Papers

Background for New Revision of DNV-RP-C203 Fatigue Design of Offshore Steel Structures

Inge Lotsberg

Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 6, 125-134, June 6–11, 2010

Paper No: OMAE2010-20649

DOI: https://doi.org/10.1115/OMAE2010-20649

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Topics: Fatigue design, Ocean engineering, Steel

Proceedings Papers

Crack Propagation Versus Crack Initiation Lives of FPSO Weld Details

Inge Lotsberg, Mamdouh M. Salama

Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 6, 261-268, June 6–11, 2010

Paper No: OMAE2010-20944

DOI: https://doi.org/10.1115/OMAE2010-20944

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Topics: Crack propagation, Fatigue, FPSO, Fracture (Materials)

Journal citation

NARROW

Erratum: “Stress Concentration Factors at Welded Connections Between Tubular Sections and a Transverse Plate” [ASME J. Offshore Mech. Arct. Eng., 2021, 143(4), p. 041701; DOI: 10.1115/1.4049063 ]

Stress Concentration Factors at Welded Connections Between Tubular Sections and a Transverse Plate

Development of Fatigue Design Standards for Marine Structures

The Rationale for Update of S-N Curves for Single Sided Girth Welds for Risers and Pipelines in DNV GL RP C-203 Based on Fatigue Performance of More Than 1700 Full Scale Fatigue Test Results

Fatigue Design Recommendations for Conical Connections in Tubular Structures

Fatigue Design Recommendations for Conical Connections in Tubular Structures

Assessment of Fatigue Strength of Welded Connections in Thick Plates

Development of Fatigue Design Standards for Marine Structures

Background for Revision of DNVGL-RP-C203 Fatigue Design of Offshore Steel Structures in 2016

Stress Concentration Factors for Butt Welds in Plated Structures

Assessment of the Size Effect in Fatigue Analysis of Butt Welds and Cruciform Joints

A New Recommended Practice for Inspection Planning of Fatigue Cracks in Offshore Structures Based on Probabilistic Methods

Assessment of Capacity of Grouted Connections in Piled Jacket Structures

Fatigue Life Improvement of Welded Doubling Plates

On the Structural Capacity of Grouted Connections in Offshore Structures

On the Derivation of Design S-N Curves Based on Limited Fatigue Test Data

Development of Structural Steel With High Resistance to Fatigue Crack Initiation and Growth: Part 4

System Effects in Fatigue Design of Long Pipes and Pipelines

Background for New Revision of DNV-RP-C203 Fatigue Design of Offshore Steel Structures

Crack Propagation Versus Crack Initiation Lives of FPSO Weld Details

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