• An anisotropic friction model in non-bonded flexible risers 

      Dai, Tianjiao; Sævik, Svein; Ye, Naiquan (Journal article; Peer reviewed, 2018)
      The present paper addresses small scale friction tests and an anisotropic friction model to predict friction for the interface between the anti-wear tape and tensile armors in non-bonded flexible risers. Small scale friction ...
    • Anchor Hooking of Pipelines 

      Dai, Tianjiao (Master thesis, 2013)
      1.Pipeline material effectThe displacement and force of mid-element pipeline in local horizontal and verticalplane in the elastoplastic pipeline model are larger than that in the elastic model.In the opposite way the bending ...
    • Comparison study of umbilicals' curvature based on full scale tests and numerical models 

      Dai, Tianjiao; Sævik, Svein; Ye, Naiquan (Journal article; Peer reviewed, 2016)
      A full scale test was carried out for a dynamic steel tube umbilical under combination of tensile and bending loads. The purpose of the test was to investigate the behavior of the dynamic bending under complex loading ...
    • Friction models for evaluating dynamic stresses in non-bonded flexible risers 

      Dai, Tianjiao; Sævik, Svein; Ye, Naiquan (Journal article; Peer reviewed, 2017)
      This paper addresses friction models used for evaluating dynamic stresses in non-bonded flexible risers. A review of the most commonly used methods to model friction between layers in such structures was performed. Four ...
    • Investigations of Shear Interaction and Stress in Flexible Pipes and Umbilicals 

      Dai, Tianjiao (Doctoral theses at NTNU;2018:368, Doctoral thesis, 2018)
      The present thesis deals with numerical modeling and experimental testing related to dynamic stress behavior of flexible pipes and umbilicals, with particular focus on shear interaction and friction effects. For the ...
    • OMAE2017-62644 The Effect of Stick Stiffness of Friction Models on the Bending Behavior in Non-Bonded Flexible Risers 

      Dai, Tianjiao; Ye, Naiquan; Sævik, Svein (Chapter; Peer reviewed, 2017)
      This paper investigates the effect of stick stiffness on the bending behavior in non-bonded flexible risers. The stick stiffness was normally implemented in the friction model for calculating the friction stress between ...