Bakgrunn og aktiviteter
Magnus Langseth is a Professor at the Department of Structural Engineering at NTNU. At the same time he is Director of SFI CASA – Centre for Research-based Innovation at NTNU for the period 2015-2023.
Professor Langseth is a member of the Royal Norwegian Society of Sciences and Letters and the Norwegian Academy of Technical Sciences. He was awarded the "Médaille Albert Portevin", Société Francaise de Métallurgie et de Matériaux in 2005. In 2009 he was appointed Honorary Doctor at the Université de Valenciennes et du Hainaut-Cambrésis.
He is the Editor-in-Chief of the International Journal of Impact Engineering and sits on the editorial boards of the Multidiscipline Modeling in Materials and Structures and Ships and Offshore Structures.
The research of Professor Langseth is primarily related to impact and crashworthiness of aluminium and high-strength steel structures as well as lightweight ballistic protection. Included here is the development of test facilities for material testing at elevated rates of strain as well as facilities for impact and crashworthiness testing of components and structures.
The focus in his aluminium research is connected to the behaviour and modelling of aluminium extrusions with and without aluminium foam filler subjected to axial and lateral impact as well as the behaviour and modelling of point connectors such as self-piercing rivets and screws. His high-strength steel research is mainly related to material modelling and robustness studies of energy absorbing components. The light-weight ballistic protection activity is related to the behaviour and modelling of aluminium and high-strength steel plates subjected to projectile impact and blast.
The methodology used in his research is a coupling between testing in the laboratory, material modelling and analyses as a basis for recommendations with respect to modelling and design. Special emphasis is placed on what kind of simplifications that can be made in the modelling and still retain a robust and reliable solution of practical problems.
Langseth graduated from the Norwegian Institute of Technology (NTH) in 1976 and worked for some years as a consulting engineer. In 1983 he went back to NTH (now NTNU) where he took his doctorate in 1988 and was appointed professor in 1995.
He was the Director of SFI SIMLab from 2007-2014. SIMLab did research on the design of crashworthy and protective structures made from steel, aluminium and polymers. The follow-up SFI CASA does multiscale testing, modelling and analysis of materials and structures for industrial applications.
Vitenskapelig, faglig og kunstnerisk arbeid
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- (2017) On the dynamic response of blast-loaded steel plates with and without pre-formed holes. International Journal of Impact Engineering. vol. 108.
- (2017) Numerical study on the structural response of blast-loaded thin aluminium and steel plates. International Journal of Impact Engineering. vol. 99.
- (2017) Use of damage-based mesh adaptivity to predict ductile failure in blast-loaded aluminium plates. Procedia Engineering. vol. 197.
- (2017) Static crushing of aluminium tubes filled with PET foam and a GFRP skeleton. Numerical modelling and multiobjective optimization. International Journal of Mechanical Sciences. vol. 131-132.
- (2017) How placement of nut determines failure mode of bolt-and-nut assemblies. Steel Construction.
- (2017) Fillet welds subjected to impact loading – an experimental study. International Journal of Impact Engineering. vol. 108.
- (2017) Comparison of damage models in numerical simulations of fillet welds under quasi-static and impact loading. Procedia Engineering. vol. 197.
- (2017) Numerical study of fillet welds subjected to quasi-static and impact loading. International Journal of Mechanical Sciences. vol. 131-132.
- (2017) Ductile Fracture of Steel Sheets under Dynamic Membrane Loading. Procedia Engineering. vol. 197.
- (2017) Strain localization and ductile fracture in advanced high-strength steel sheets. European journal of mechanics. A, Solids. vol. 61.
- (2017) Low-velocity impact behaviour and failure of stiffened steel plates. Marine Structures. vol. 54.
- (2017) Testing and modelling of stiffened aluminium panels subjected to quasi-static and low-velocity impact loading. International Journal of Impact Engineering. vol. 110.
- (2016) Experimental study on the response of thin aluminium and steel plates subjected to airblast loading. International Journal of Impact Engineering. vol. 90.
- (2016) A shock tube facility to generate blast loading on structures. International Journal of Protective Structures. vol. 7 (3).
- (2016) Influence of sigma-phase precipitation on the impact behaviour of duplex stainless steel pipe fittings. Ships and Offshore Structures. vol. 11 (1).
- (2016) Axial crushing of aluminum extrusions filled with PET foam and GFRP. An experimental investigation. Thin-walled structures. vol. 99.
- (2016) Failure modes of bolt and nut assemblies under tensile loading. Journal of constructional steel research. vol. 126.
- (2016) A numerical study of beam-to-column joints subjected to impact. Engineering structures. vol. 120.
- (2016) Low-velocity impact on high-strength steel sheets: An experimental and numerical study. International Journal of Impact Engineering. vol. 88.
- (2016) Dynamic versus quasi-static loading of X65 offshore steel pipes. The European Physical Journal Special Topics. vol. 225 (2).