2023

• Dæhli, Lars Edvard Blystad; Johnsen, Joakim; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture. (2023) An experimental–numerical study on the evolution of the Taylor–Quinney coefficient with plastic deformation in metals. Mechanics of materials (Print)
  Vitenskapelig artikkel

2022

• Hund, Jonas; Granum, Henrik Møgster; Olufsen, Sindre Nordmark; Holmström, Petter Henrik; Johnsen, Joakim; Clausen, Arild Holm. (2022) Impact of stress triaxiality, strain rate, and temperature on the mechanical response and morphology of PVDF. Polymer testing
  Vitenskapelig artikkel
• Warren, Tom; Johnsen, Joakim; Kristoffersen, Martin; Børvik, Tore. (2022) Solution for the Dynamic Elastically Compressible Power-Law Strain Hardening Cylindrical Cavity-Expansion Problem. Journal of Dynamic Behavior of Materials
  Vitenskapelig artikkel

2019

• Johnsen, Joakim; Clausen, Arild Holm; Grytten, Frode; Benallal, Ahmed; Hopperstad, Odd Sture. (2019) A thermo-elasto-viscoplastic constitutive model for polymers. Journal of the Mechanics and Physics of Solids
  Vitenskapelig artikkel

2018

• Johnsen, Joakim; Holmen, Jens Kristian; Warren, Thomas L.; Børvik, Tore. (2018) Cylindrical cavity expansion approximations using different constitutive models for the target material. International Journal of Protective Structures
  Vitenskapelig artikkel

2017

• Johnsen, Joakim; Clausen, Arild Holm; Grytten, Frode; Hopperstad, Odd Sture. (2017) Thermomechanical behaviour of semi-crystalline polymers: experiments, modelling and simulation. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doktorgradsavhandling
• Johnsen, Joakim; Grytten, Frode; Hopperstad, Odd Sture; Clausen, Arild Holm. (2017) Influence of strain rate and temperature on the mechanical behaviour of rubber-modified polypropylene and cross-linked polyethylene. Mechanics of materials (Print)
  Vitenskapelig artikkel

2016

• Johnsen, Joakim; Grytten, Frode; Hopperstad, Odd Sture; Clausen, Arild Holm. (2016) Experimental set-up for determination of the large-strain tensile behaviour of polymers at low temperatures. Polymer testing
  Vitenskapelig artikkel
• Holmen, Jens Kristian; Johnsen, Joakim; Hopperstad, Odd Sture; Børvik, Tore. (2016) Influence of fragmentation on the capacity of aluminum alloy plates subjected to ballistic impact. European Journal of Mechanics. A, Solids
  Vitenskapelig artikkel

2013

• Holmen, Jens Kristian; Johnsen, Joakim; Jupp, S; Hopperstad, Odd Sture; Børvik, Tore. (2013) Effects of heat treatment on the ballistic properties of AA6070 aluminium alloy. International Journal of Impact Engineering
  Vitenskapelig artikkel
• Johnsen, Joakim; Holmen, Jens Kristian; Myhr, Ole Runar; Hopperstad, Odd Sture; Børvik, Tore. (2013) A nano-scale material model applied in finite element analysis of aluminium plates under impact loading. Computational Materials Science
  Vitenskapelig artikkel

2012

• Holmen, Jens Kristian; Johnsen, Joakim; Børvik, Tore; Hopperstad, Odd Sture. (2012) Effects of Heat Treatment on the Ballistic Properties of AA6070 Aluminium Plates. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Mastergradsoppgave