Publikasjoner

R.K. Joki, F. Grytten, B.F. Sørensen, J.K. Jørgensen, Uncoupled cohesive laws including large scale bridging, ICCS25, Porto, July 2022

C. E. Wasberg, A. Andersen, D. Degrassi, R. Joki, M. Kraskowski, F. Alves Pereira, B. Sagsveen, G. Sagvolden, L. Savio, P. Szymak, T. Thorvaldsen, D2400 Plan for the experiments, EDA CAT B project No B-1466-GEM1-GP, September 2021

G. Sagvolden, V. Sklet, A. Andersen, R. Joki, B. Sagsveen, T. Thorvaldsen, M. Kraskowski, M. Kluczyk, F. Alves Pereira, L. Savio, P. Szymak, P. Østby, D2200 Description of the instrumentation of the test objects, EDA CAT B project No B-1466-GEM1-GP, September 2021

A. Vescovini, A. Manes, A. Andersen, R. Joki, M. Szymiczek, D2110 Material characterisation, EDA CAT B project No B-1466-GEM1-GP, September 2021

R. Joki, A. Andersen, A. Vescovini, A. Manes, B. Sagsveen, M. Szymiczek, M. Kraskowski, T. Thorvaldsen, D2100 Foils and propellers: Material selection and production methods, EDA CAT B project No B-1466-GEM1-GP, September 2021

F. Magionesi, R. Joki, M. Kraskowski, A. Manes, L. Sileo, M. Vartdal, A. Vescovini, D1300 Fluid-structure interaction for hydro-elastic applications - Literature review and recommended methods, EDA CAT B project No B-1466-GEM1-GP, June 2021

A. Grządziela, T. Thorvaldsen, B. Sagsveen, R. Joki, G. Sagvolden, V. Sklet, M. Szymiczek, F. Alves Pereira, D1200 Composite materials technology for foils and propellers, including fabrication methods and structural health monitoring (SHM),EDA CAT B project No B-1466-GEM1-GP, June 2021

F. Grytten, B.F. Sørensen, S. Goutianos, R.K. Joki, J.K. Jørgensen, A micromechanical model of fiber bridging including effects of large deflections of the bridging fibers, Composite Structures, 258, February 2021

Frode Grytten, Bent F. Sørensen, Stergios Goutianos, Reidar Kvale Joki, Jens Kjær Jørgensen, Micromechanical model of cross-over fiber bridging, 9th International Conference on Composites Testing and Model Identification - Luleå, Sweden, 27th - 29th, July, 2019

R.K. Joki, Cohesive zone models for mode I and mode II delamination, DACOMAT, European Union's Horizon 2020 research and innovation programme under GA No. 761072, 2019

R.K. Joki, F. Grytten, B. Hayman, B.F. Sørensen, A mixed mode cohesive model for FRP laminates incorporating large scale bridging behaviour, Engineering Fracture Mechanics, 239, November 2020

R.K. Joki, Cohesive zone models for mode I and mode II delamination, DACOMAT, European Union's Horizon 2020 research and innovation programme under GA No. 761072, 2019

R.K. Joki, A.E. Jensen, J. Lilleborge, T. Thorvaldsen, A Modelling Approach for Predicting the Capacity of a Wet Lay-up Composite Scarf Repair of Fiber Reinforced Polymer Laminates, AVT-266 Research Specialists' Meeting, 41st APPLIED VEHICLE TECHNOLOGY PANEL BUSINESS MEETING WEEK, NATO - 16-18 April 2018.

R.K. Joki, T. Thorvaldsen, Analysis to support the in-service monitoring of the repaired structure, European Defence Agency, EDA CAT B project No B1324 GEM1 GP, 2017.

T. P. Jones, T. Thorvaldsen, R.K. Joki, B.R. Karlsen, A.E. Jensen, G. Sagvolden, FEM simulations and analytical calculations to support design and analysis, European Defence Agency, EDA CAT B project No B1324 GEM1 GP, 2016.

R.K. Joki, F. Grytten, B. Hayman, B.F. Sørensen, Determination of a cohesive law for delamination modelling - Accounting for variation in crack opening and stress state across the test specimen width, Composites Science and Technology, 128, 18 May 2016, Pages 49-57

R.K. Joki, Failure Mechanisms in Fibre Reinforced Polymer Composites - Experimental and Numerical Analysis, PhD Thesis, Faculty of Mathematics and Natural Science, University of Oslo, 2016, ISSN 1501-7710

R.K. Joki, F. Grytten, B. Hayman, Nonlinear response in glass fibre non-crimp fabric reinforced vinylester composites, Composites Part B: Engineering, Volume 77, August 2015, Pages 105-111 M.

Laulajainen, M. Liius, T. Jokisalo, M. Keinonen, T. P. Jones, T. Thorvaldsen, R.K. Joki, J. San Millan, B. Noordman, J. Jokinen og M. Wallin, State of the art regarding analysis methods for composites and bonded (repaired) structures, European Defence Agency, EDA CAT B project No B1324 GEM1 GP, 2015.

R.K. Joki, F. Grytten, B. Hayman, B.F. Sørensen, Determination of Mixed Mode Cohesive Law for Delamination with Large Scale Bridging, 7th International Conference on Composites Testing and Model Identification, 8 April 2015

R.K. Joki, F. Grytten, H. Osnes, Coupling of plasticity and damage in glass fibre reinforced polymer composites, DYMAT 2012 - 10th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading, Volume26, 31 August 2012

R.K. Joki, F. Grytten, H. Osnes, Progressive Failure Analysis of Fibre Reinforced Polymer Composites, MekIT-11, Sixth National Conference on Computational Mechanics, May 23, 2011