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Blar i Institutt for konstruksjonsteknikk på dokumenttype "Peer reviewed"

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    • 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 ...
    • A special notched tensile specimen to determine the flow stress-strain curve of hardening materials without applying the Bridgman correction 

      Tu, Shengwen; Ren, Xiaobo; Nyhus, Bård; Akselsen, Odd Magne; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2017)
      Structural integrity assessment of weldments requires the input of flow stress-strain curve of each individual material zone. To cope with these challenges, a cylindrical cross weld tensile specimen with a notch located ...
    • A study of the influence of precipitate free zones on the strain localization and failure of the aluminium alloy AA7075-T651 

      Fourmeau, Marion; Marioara, Calin Daniel; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture (Journal article; Peer reviewed, 2015)
      Age-hardened aluminium alloys have various degrees of precipitate-free zones (PFZs) along grain boundaries (GBs). The PFZs are weak zones and their existence promotes combined transgranular and intergranular fracture, thus ...
    • A thermo-elasto-viscoplastic constitutive model for polymers 

      Johnsen, Joakim; Clausen, Arild Holm; Grytten, Frode; Benallal, Ahmed; Hopperstad, Odd Sture (Journal article; Peer reviewed, 2018)
      In this study, a thermo-elasto-viscoplastic model is developed for a low density cross-linked polyethylene (XLPE) in an attempt to describe the combined effects of temperature and strain rate on the stress-strain response ...
    • 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 ...
    • A two-stage numerical analysis approach for the assessment of the settlement response of the pre-damaged historic Hoca Pasha Mosque 

      Dalgic, Korhan Deniz; Hendriks, Max; Ilki, Alper; Broere, Wout (Journal article; Peer reviewed, 2019)
      The current article presents a case study of the settlement response of the historic Hoca Pasha Mosque that involves uncertainties arising from the complex excavation activities, soil properties, building materials, and ...
    • A uniform hydrogen degradation law for high strength steels 

      Yu, Haiyang; Olsen, Jim Stian; Alvaro, Antonio; Olden, Vigdis; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2016)
      The degrading effect of hydrogen on high strength steels is well recognized. The hydrogen degradation is dependent not only on hydrogen content, but also on geometric constraints or equivalently, level of stress triaxiality, ...
    • Adiponectin reduces bone stiffness; verified in a 3D artificial human bone model in vitro 

      Haugen, Sigrid; He, Jianying; Sundaresan, Alamelu; Stunes, Astrid Kamilla; Aasarød, Kristin Matre; Tiainen, Hanna; Syversen, Unni; Skallerud, Bjørn Helge; Reseland, Janne Elin (Journal article; Peer reviewed, 2018)
      Primary human osteoblasts and osteoclasts incubated in a rotating coculture system without any scaffolding material, form bone-like tissue that may be used to evaluate effects of various compounds on mechanical strength. ...
    • Aerodynamic damping models for vortex-induced vibration of a rectangular 4: 1 cylinder: Comparison of modeling schemes 

      Zhang, Mingjie; Xu, Fuyou; Øiseth, Ole Andre (Peer reviewed; Journal article, 2020)
      Accurate modeling of vortex-induced force acting on a structure is of great significance to precisely evaluate its vortex-induced vibration (VIV). This paper systematically compares the capabilities of five aerodynamic ...
    • Aerogel-Incorporated Concrete: An Experimental Study 

      Gao, Tao; Jelle, Bjørn Petter; Gustavsen, Arild; Jacobsen, Stefan (Journal article; Peer reviewed, 2014)
      Lightweight concrete can be prepared by replacing the normal aggregate of concrete, either partly or totally, with lightweight materials. In this work, by incorporating silica aerogel particles into concrete matrix, we ...
    • ALE-VMS methods for wind-resistant design of long-span bridges 

      Helgedagsrud, Tore Andreas; Bazilevs, Yuri; Mathisen, Kjell Magne; Øiseth, Ole (Peer reviewed; Journal article, 2019)
      For unsteady aerodynamics, the Arbitrary Lagrangian-Eulerian Variational Multi-Scale (ALE-VMS) formulation for incompressible flows has proven an accurate and powerful method. In this paper we present an overview of some ...
    • Alkali Aggregate Reactions (AAR) in Norway: Thin section analysis and expansion measurements from a dam and a bridge 

      Jacobsen, Stefan; Gran, Hans Christian (Peer reviewed; Journal article, 1992)
      Two concrete structures with AAR have been investigated. The structures are a dam and a bridge, both approximately 30 years old. Both structures have a characteristic crack pattern on the surface of the concrete. Thin ...
    • Alkali-silica reaction (ASR)-performance testing: Influence of specimen pre-treatment, exposure conditions and prism size on alkali leaching and prism expansion 

      Lindgård, Jan; Thomas, Michael D.A.; Sellevold, Erik Johan; Pedersen, Bård; Andiç-Çakır, Özge; Justnes, Harald; Rønning, Terje F. (Journal article; Peer reviewed, 2013)
      Whether or not concrete prism tests developed for assessment of alkali–silica reactivity of aggregates might be suitable for general ASR performance testing of concrete has been evaluated. This paper discusses how variations ...
    • Alkali–silica reaction (ASR)—performance testing: Influence of specimen pre-treatment, exposure conditions and prism size on concrete porosity, moisture state and transport properties 

      Lindgård, Jan; Sellevold, Erik Johan; Thomas, Michael D.A.; Pedersen, Bård; Justnes, Harald; Rønning, Terje F. (Journal article; Peer reviewed, 2013)
      Whether or not concrete prism tests (CPTs) developed for assessment of alkali–silica reactivity of aggregates might be suitable for general ASR performance testing of concrete has been evaluated. This paper presents the ...
    • 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 and numerical study on the volume change of particle-filled elastomers in various loading modes 

      Ilseng, Arne; Skallerud, Bjørn Helge; Clausen, Arild Holm (Journal article; Peer reviewed, 2017)
      Laboratory tests show that there is a pronounced difference in the volumetric response between uniaxial tension and confined axial compression loading for commercial particle-filled hydrogenated nitrile butadiene rubber ...
    • 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 ...
    • An experimental-numerical method to determine the work-hardening of anisotropic ductile materials at large strains 

      Khadyko, Mikhail; Dumoulin, Stephane; Børvik, Tore; Hopperstad, Odd Sture (Journal article; Peer reviewed, 2014)
      The determination of work-hardening for ductile materials at large strains is difficult to perform in the framework of usual tensile tests because of the geometrical instability and necking in the specimen at relatively ...
    • An explicit integration scheme for hypo-elastic viscoplastic crystal plasticity 

      Zhang, Kai; Holmedal, Bjørn; Dumoulin, Stephane; Hopperstad, Odd Sture (Journal article; Peer reviewed, 2014)
      An explicit integration scheme for rate-dependent crystal plasticity (CP) has been developed in this work. Additive decomposition of the velocity gradient tensor into lattice and plastic parts is adopted for describing the ...

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