Sigmund Kyrre Ås
Background and activities
Courses
- TMR4200 - Fatigue and Fracture of Marine Structures
- TMR4500 - Marine Structures, Specialization Project
- TMR4505 - Marine Structures, Specialization Course
Scientific, academic and artistic work
A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database
Journal publications
- (2022) Effect of long periods of corrosion on the fatigue lifetime of offshore mooring chain steel. Marine Structures. vol. 85.
- (2021) Digital image correlation for continuous mapping of fatigue crack initiation sites on corroded surface from offshore mooring chain. International Journal of Fatigue. vol. 151.
- (2020) A comparison of physical and numerical modeling of homogenous isotropic propeller blades. Journal of Marine Science and Engineering. vol. 8 (1).
- (2018) Crystal plasticity modeling of microstructure influence on fatigue crack initiation in extruded Al6082-T6 with surface irregularities. International Journal of Fatigue. vol. 111.
- (2018) A gradient-based multiaxial criterion for fatigue crack initiation prediction in components with surface roughness. International Journal of Fatigue. vol. 117.
- (2012) Analytical Modeling of Weld Bead Shape in Dry Hyperbaric GMAW Using Ar-He Chamber Gas Mixtures. Journal of materials engineering and performance (Print). vol. 22 (3).
- (2012) Determination of Welding Heat Source Parameters Using the Actual Bead Shape. Computational Materials Science. vol. 54.
- (2009) Fatigue Assessment of Aluminum Rectangular Hollow Section T-joints by Hot-Spot Stress Approach. ISOPE - International Offshore and Polar Engineering Conference. Proceedings.
- (2009) Fatigue Assessment of Aluminum Rectangular Hollow Section T-joints by Hot-Spot Stress Approach. ISOPE - International Offshore and Polar Engineering Conference. Proceedings.
- (2008) Surface roughness characterization for fatigue life predictions using finite element analysis. International Journal of Fatigue. vol. 30 (12).
- (2005) Fatigue life prediction of machined components using finite element analysis of surface topography. International Journal of Fatigue. vol. 27.
Books
- (2006) Fatigue Life Prediction of an Aluminium Alloy Automotive Component Using Finite Element Analysis of Surface Topography. 2006. ISBN 8247177900. Doktoravhandlinger ved NTNU (2006:25).
Part of book/report
- (2018) Committee III.2: Fatigue and Fracture. Ebook: Proceedings of the 20th International Ship and Offshore Structures Congress (ISSC 2018) - Volume I.
- (2014) Review of Laser and Hybrid Laser-Arc Welding. Proceedings of the Twenty-fourth (2014) International Offshore and Polar Engineering Conference, Busan, Korea.
- (2014) Simulation of multipass welding of a steel pipe including modelling of hydrogen diffusion and fracture mechanics assessment. Mathematical Modelling of Weld Phenomena 10.
- (2013) Residual stresses of hybrid laser-arc welding for arctic application. The 14th Nordic Laser Materials Processing Conference.
- (2012) Numerical analysis of residual stresses in hyperbaric welding. Proceedings of the ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering OMAE2012 Volume 6.
- (2012) Residual Stresses of X80 Pipe Girth Weld. Proceedings of the Twenty-second (2012) International Offshore and Polar Engineering Conference.
- (2011) NUMERICAL SIMULATION OF HYBRID LASER-ARC WELDING OF X70 PIPELINE STEEL. The 13th conference on laser materials processing in the Nordic countries.
- (2011) Comparison of Hybrid Laser-arc and Conventional Welding for Arctic Applications. Proceedings of the Twenty-First (2011) International Offshore and Polar Engineering Conference.