• Aluminium Self-Piercing Rivet's Failure: Testing and Numerical Analyses 

      Hoang, Nguyen-Hieu; Langseth, Magnus (Journal article; Peer reviewed, 2014)
      In the present study, the behaviour of aluminium rivets in alloy AA7278-T6 during the riveting process when used to join two aluminium plates was investigated experimentally and numerically. It was observed by Hoang et al. ...
    • Aluminum foam-filled extrusions subjected to oblique loading: experimental and numerical study 

      Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Langseth, Magnus (Journal article; Peer reviewed, 2004)
      The behavior of empty and foam-filled square thin-walled aluminum columns in alloy AA6060 subjected to quasi-static oblique loading was examined. Previous studies have shown that by introducing a load angle, the energy ...
    • An experimental study of static and dynamic behaviour of bolted end-plate joints of steel 

      Grimsmo, Erik Løhre; Clausen, Arild Holm; Langseth, Magnus; Aalberg, Arne (Journal article; Peer reviewed, 2015)
      Many actions, such as accidental or malicious explosions, may impose high loading rates to structural frames. To enhance the knowledge of the behaviour of joints subjected to severe impulsive loading, a double-sided ...
    • A numerical study of beam-to-column joints subjected to impact 

      Grimsmo, Erik Løhre; Clausen, Arild Holm; Aalberg, Arne; Langseth, Magnus (Journal article; Peer reviewed, 2016)
      Limited documentation is concerned with the behaviour of steel joints subjected to severe impulsive loading originating from incidents such as explosions or impact. In this paper, finite element simulations are used to ...
    • A shock tube facility to generate blast loading on structures 

      Aune, Vegard; Fagerholt, Egil; Langseth, Magnus; Børvik, Tore (Journal article; Peer reviewed, 2016)
      This study evaluates the performance of a new shock tube facility used to produce blast loading in controlled laboratory environments. The facility was found to generate a planar shock wave over the tube cross section by ...
    • A Shock Tube Used to Study the Dynamic Response of Blast-Loaded Plates 

      Aune, Vegard; Casadei, Folco; Valsamos, Georgios; Langseth, Magnus; Børvik, Tore (Journal article; Peer reviewed, 2018)
      This study aims to a better understanding of the performance of a shock tube used to produce blast loading in controlled laboratory environments. Special focus is placed on the influence of the diaphragm failure process ...
    • Assessment of yield and fracture criteria using shear and bending tests 

      Reyes, Aase Gavina Roberg; Eriksson, Magnus; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus (Journal article; Peer reviewed, 2009)
      This article deals with the calibration of a fracture criterion that has been implemented in a material model in LS-DYNA. The failure process in thin-walled metallic materials is complex and often due to interaction between ...
    • A through-thickness damage regularisation scheme for shell elements subjected to severe bending and membrane deformations 

      Costas Pino, Miguel; Morin, David; Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus (Journal article; Peer reviewed, 2018)
      This research work proposes and validates a damage regularisation model for shell elements used in large-scale simulations. The model evaluates the ratio of bending to membrane loading in the elements based on the ...
    • Axial crushing of aluminum extrusions filled with PET foam and GFRP. An experimental investigation 

      Costas, Miguel; Morin, David; Langseth, Magnus; Romera, Luis Esteban; Díaz, Jacobo M. (Journal article, 2016)
      This research work investigated the axial crushing behavior of a circular aluminum extrusion in alloy AA6063-T5 internally reinforced with a glass–fiber structure and filled with polymeric foam. The components were ...
    • Behaviour and failure of aluminium extrusions under bending and stretching 

      Lund, Tobias (Master thesis, 2018)
      Current and future strategic challenges in the construction industry require safe and lightweight structures to achieve a good strength to weight ratio. Authentic material combinations together with numerical simulations ...
    • Behaviour and Modelling of Bolted Connectors in Road Safety Barriers 

      Kolberg, Bendik Male; Willand, Eirik Tveter (Master thesis, 2014)
      The purpose of this thesis is to study the behaviour of the connection between the guardrail and post in a steel road safety barrier subject to tensile, shear and combined loading conditions. This is accomplished by ...
    • Behaviour and modelling of cast aluminium rims subjected to impact loading 

      Kittilsen, Eirik Thanem; Swanberg, Emil (Master thesis, 2017)
      The aim of this master s project is to evaluate the capabilities of the SIMLab Metal models (cast aluminium model) to predict the response including failure of a given rim subjected to impact loading conditions. The modelling ...
    • Behaviour and Modelling of Flexible Structures Subjected to Blast Loading 

      Aune, Vegard (Doctoral theses at NTNU;2017:101, Doctoral thesis, 2017)
      The last two decades have seen a significant increase in the research activity on blast-loaded structures. This is to a large extent related to the increased threat of deliberate use of high explosives against civilian ...
    • Behaviour and Modelling of Flow-Drilling Screw Connections 

      Amundsen, Dan Hugo; Gustad, Jo Utne (Master thesis, 2014)
      This thesis presents an experimental and numerical study on the behaviour of Flow-Drilling Screw (FDS) connections under various quasi-static loading conditions. The behaviour and fracture of the connections were closely ...
    • Behaviour and modelling of flow-drill screw connections 

      Sønstabø, Johan Kolstø (Doctoral theses at NTNU;2018:73, Doctoral thesis, 2018)
      This PhD thesis consists of experimental and numerical studies of the behaviour and modelling of flow-drill screw connections. It is comprised of four parts, and each part has been published, or accepted for publication, ...
    • Behaviour and Modelling of Self-piercing Screw and Self-piercing Rivet Connections: An Experimental and Numerical Investigation 

      Sønstabø, Johan Kolstø; Holmstrøm, Petter Henrik (Master thesis, 2013)
      Accurate and reliable models of connections are essential for the design of aluminium parts in cars. Today, there exist a few models customized for self-piercing rivets (SPR), but none for self-piercing screws (SPS). This ...
    • Behaviour of Flow-Drilling Screw Connections 

      Sønstabø, Johan Kolstø; Holmstrøm, Petter Henrik; Morin, David; Langseth, Magnus (Journal article; Peer reviewed, 2014)
      An experimental study on the behaviour and fracture of flow-drilling screw connections was carried out. Cross test specimens were used to study the deformation and fracture of the connections under different loading modes. ...
    • Behaviour of plated structures subjected to blast loading 

      Aune, Vegard; Børvik, Tore; Langseth, Magnus (Journal article; Peer reviewed, 2015)
      An experimental investigation using a new shock tube facility to study blast-load effects on thin aluminium plates is presented. The shock tube is designed to expose materials and structures to extreme loading conditions, ...
    • Behaviour of steel connections under quasi-static and impact loading An experimental and numerical study 

      Grimsmo, Erik Løhre (Doctoral theses at NTNU;2017:159, Doctoral thesis, 2017)
      This PhD thesis is concerned with the behaviour of steel joints and connections subjected to quasi-static and impact loading. A major part of the work involves experimental testing, which includes both component and ...
    • Bending of X65 Offshore Steel Pipes 

      Lofthaug, Kristoffer; Digerud, Erik (Master thesis, 2014)
      This thesis is part of an ongoing research program between SIMLab and Statoil about impact loads on X65 offshore pipelines and it is a continuation of previous work.Offshore pipelines are frequently impacted by accidental ...