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| Showing results 1-29 of 29 |
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2023
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| 1. | Bhardwaj, Sachin; Ås, Sigmund Kyrre; RATNAYAKE MUDIYANSELAGE, Chandima. Experimental and numerical investigation of residual stresses in proximity girth welds. The International Journal of Advanced Manufacturing Technology 2023 p. 1247-1259 UIS NTNU |
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| 2. | Hellum, Vidar; Gabrielsen, Øystein; Ås, Sigmund Kyrre. Fatigue crack growth in mooring chain steel at different mean load levels. Marine Structures 2023 ;Volume 92. p. - NTNU UIA |
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2022
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| 3. | Qvale, Paul; Nordhagen, Håkon Ottar; Ås, Sigmund Kyrre; Skallerud, Bjørn Helge. Effect of long periods of corrosion on the fatigue lifetime of offshore mooring chain steel. Marine Structures 2022 ;Volume 85. p. - OCEAN NTNU |
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| 4. | Qvale, Paul; P. Zarandi, Ershad; Arredondo, Alberto; Ås, Sigmund Kyrre; Skallerud, Bjørn Helge. Effect of cyclic softening and mean stress relaxation on fatigue crack initiation in a hemispherical notch. Fatigue & Fracture of Engineering Materials & Structures (FFEMS) 2022 ;Volume 45.(12) p. 3592-3608 NTNU |
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2021
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| 5. | Qvale, Paul; P. Zarandi, Ershad; Ås, Sigmund Kyrre; Skallerud, Bjørn Helge. Digital image correlation for continuous mapping of fatigue crack initiation sites on corroded surface from offshore mooring chain. International Journal of Fatigue 2021 ;Volume 151. p. - NTNU |
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| 6. | Ås, Sigmund Kyrre; Andersen, Marius Endre; Pettersen, Håkon Kvalvåg; Heien, Henrik. Rapid estimation of stress concentrations due to corrosion using machine learning. 3rd International Conference on Structural Integrity for Offshore Energy Industry; 2021-11-15 - 2021-11-16 NTNU |
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2020
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| 7. | Savio, Luca; Sileo, Lucia; Ås, Sigmund Kyrre. A comparison of physical and numerical modeling of homogenous isotropic propeller blades. Journal of Marine Science and Engineering (JMSE) 2020 ;Volume 8.(1) p. - NTNU OCEAN |
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2019
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| 8. | Savio, Luca; Sileo, Lucia; Ås, Sigmund Kyrre. A comparison of physical and numerical modeling of homogenous isotropic propeller blades. Sixth International Symposium on Marine Propulsors SMP’19; 2019-05-26 - 2019-05-30 OCEAN NTNU |
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2018
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| 9. | Garbatov, Y.; Ås, Sigmund Kyrre; Branner, K.; Choi, B.K.; Den Besten, J.H.; Dong, P.; Lillemäe, I.; Lindstrom, P.; Lourenco de Souza, M.; Parmentier, G.; Quéméner, Y.; Rizzo, C.M.; Rörup, J.; Vhanmane, S; Villavicencio, R; Wang, F; Yue, J.. Committee III.2: Fatigue and Fracture. I: Ebook: Proceedings of the 20th International Ship and Offshore Structures Congress (ISSC 2018) - Volume I. IOS Press 2018 ISBN 978-1-61499-862-4. p. 441-547 OCEAN NTNU |
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| 10. | Hallberg, Håkan; Ås, Sigmund Kyrre; Skallerud, Bjørn Helge. Crystal plasticity modeling of microstructure influence on fatigue crack initiation in extruded Al6082-T6 with surface irregularities. International Journal of Fatigue 2018 ;Volume 111. p. 16-32 NTNU |
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| 11. | Skallerud, Bjørn Helge; Ås, Sigmund Kyrre; Ottosen, Niels S.. A gradient-based multiaxial criterion for fatigue crack initiation prediction in components with surface roughness. International Journal of Fatigue 2018 ;Volume 117. p. 384-395 NTNU |
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2014
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| 12. | Akselsen, Odd Magne; Ren, Xiaobo; Ås, Sigmund Kyrre. Review of Laser and Hybrid Laser-Arc Welding. I: Proceedings of the Twenty-fourth (2014) International Offshore and Polar Engineering Conference, Busan, Korea. : International Society of Offshore and Polar Engineers (ISOPE) 2014 ISBN 978-1-880653-91-3. p. 278-285 NTNU SINTEF |
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| 13. | Ås, Sigmund Kyrre; Fjær, Hallvard Gustav; Olden, Vigdis; Lindholm, Dag; Akselsen, Odd Magne. Simulation of multipass welding of a steel pipe including modelling of hydrogen diffusion and fracture mechanics assessment. I: Mathematical Modelling of Weld Phenomena 10. : Verlag d. Technischen Universität Graz 2014 ISBN 978-3851252934. p. 371-399 IFE NTNU SINTEF |
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2013
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| 14. | Ren, Xiaobo; Akselsen, Odd Magne; Ås, Sigmund Kyrre; Kaplan, Alexander. Residual stresses of hybrid laser-arc welding for arctic application. I: The 14th Nordic Laser Materials Processing Conference. Luleå: Universitetstryckeriet 2013 ISBN 978-91-7439-688-1. p. 183-192 SINTEF |
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2012
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| 15. | Kane, Pascal-Alexandre; Ås, Sigmund Kyrre; Østby, Erling. 3D Fracture Simulations of SENT Specimens Including Welding Residual Stresses. The Twenty-second International OFFSHORE AND POLAR ENGINEERING CONFERENCE; 2012-06-17 - 2012-06-22 NTNU SINTEF |
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| 16. | Ren, Xiaobo; Akselsen, Odd Magne; Ås, Sigmund Kyrre; Nyhus, Bård. Numerical analysis of residual stresses in hyperbaric welding. I: Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering OMAE2012 Volume 6. The American Society of Mechanical Engineers (ASME) 2012 ISBN 9780791844939. p. 137-144 OCEAN NTNU SINTEF |
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| 17. | Ren, Xiaobo; Ås, Sigmund Kyrre; Akselsen, Odd Magne; Nyhus, Bård. Residual Stresses of X80 Pipe Girth Weld. I: Proceedings of the Twenty-second (2012) International Offshore and Polar Engineering Conference. International Society of Offshore & Polar Engineers 2012 ISBN 978-1-880653-94-4. p. 252-257 NTNU SINTEF |
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| 18. | S. Azar, Amin; Ås, Sigmund Kyrre; Akselsen, Odd Magne. Analytical Modeling of Weld Bead Shape in Dry Hyperbaric GMAW Using Ar-He Chamber Gas Mixtures. Journal of materials engineering and performance (Print) 2012 ;Volume 22.(3) p. 673-680 SINTEF NTNU OCEAN |
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| 19. | Shahrestani Azar, Amin; Ås, Sigmund Kyrre; Akselsen, Odd Magne. Determination of Welding Heat Source Parameters Using the Actual Bead Shape. Computational Materials Science 2012 ;Volume 54. p. 176-182 NTNU SINTEF OCEAN |
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2011
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| 20. | Lange, Torstein; Eggen, Tor Gunnar; Ås, Sigmund Kyrre. Strategisk Egenfinansiert Prosjekt (SEP) - ""Modelling of stress corrosion cracking"". : SINTEF rapport 2011 (ISBN 9788214051780) 84 p. SINTEF Rapport SINTEF |
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| 21. | Ren, Xiaobo; Akselsen, Odd Magne; Ås, Sigmund Kyrre; Nyhus, Bård. NUMERICAL SIMULATION OF HYBRID LASER-ARC WELDING OF X70 PIPELINE STEEL. I: The 13th conference on laser materials processing in the Nordic countries. Trondheim: Tapir Uttrykk 2011 ISBN 978-82-998664-1-5. p. 213-222 NTNU SINTEF |
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| 22. | Ren, Xiaobo; Ås, Sigmund Kyrre; Akselsen, Odd Magne; Nyhus, Bård. Comparison of Hybrid Laser-arc and Conventional Welding for Arctic Applications. I: Proceedings of the Twenty-First (2011) International Offshore and Polar Engineering Conference. International Society of Offshore & Polar Engineers 2011 ISBN 978-1-880653-96-8. p. 407-413 NTNU SINTEF |
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| 23. | Ørjasæter, Oddvin; Ås, Sigmund Kyrre; Haagensen, Per Jahn; Tveiten, Bård Wathne. Fatigue of High Quality Girth Welds. I: 30th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2011) - Vol. III. ASME Press 2011 ISBN 978-0-7918-4435-9. p. 619-627 NTNU SINTEF |
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2009
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| 24. | Ås, Sigmund Kyrre; Fjeldstad, Arne. Fatigue Assessment of Aluminum Rectangular Hollow Section T-joints by Hot-Spot Stress Approach. ISOPE - International Offshore and Polar Engineering Conference. Proceedings 2009 NTNU |
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| 25. | Tveiten, Bård Wathne; Ås, Sigmund Kyrre; Fjeldstad, Arne. Fatigue Assessment of Aluminum Rectangular Hollow Section T-joints by Hot-Spot Stress Approach. ISOPE - International Offshore and Polar Engineering Conference. Proceedings 2009 NTNU |
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2008
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| 26. | Ås, Sigmund Kyrre; Skallerud, Bjørn Helge; Tveiten, Bård Wathne. Surface roughness characterization for fatigue life predictions using finite element analysis. International Journal of Fatigue 2008 ;Volume 30.(12) p. 2200-2209 NTNU SINTEF |
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2006
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| 27. | Skallerud, Bjørn Helge; Ås, Sigmund Kyrre. Prediction of fatigue crack intitiation life of an aluminum alloy for automotive applications accounting for surface roughness. Seminar; 2006-03-13 - 2006-03-13 NTNU |
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| 28. | Ås, Sigmund Kyrre. Fatigue Life Prediction of an Aluminium Alloy Automotive Component Using Finite Element Analysis of Surface Topography. : Taylor & Francis 2006 (ISBN 8247177900) Doktoravhandlinger ved NTNU(2006:25) SINTEF |
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2005
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| 29. | Ås, Sigmund; Skallerud, Bjørn Helge; Tveiten, Bård; Holme, Børge. Fatigue life prediction of machined components using finite element analysis of surface topography. International Journal of Fatigue 2005 ;Volume 27. p. 1590-1596 NTNU |
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