Blar i NTNU Open på forfatter "Lone, Erling Neerland"

Viser treff 1-8 av 8

    • Analysis of Low-Frequency Damping in Mooring Lines for Floating Production Units 

      Magnussen, Eivind Tørset (Master thesis, 2014)
      In this thesis, the relationship between mooring line damping and system responses, due to varying environmental conditions, is investigated. The responses focus mainly on the low-frequency (LF) components and on the ...

    • Analysis of S–N data for new and corroded mooring chains at varying mean load levels using a hierarchical linear model 

      Lone, Erling Neerland; Maincon, Philippe Emmanuel; Gabrielsen, Øystein; Sauder, Thomas Michel; Larsen, Kjell; Leira, Bernt Johan (Peer reviewed; Journal article, 2023)
      Results from full scale fatigue tests of offshore mooring chains are analyzed. The data set includes new and used chains, tested at a variety of mean load levels. The used chains have been retrieved after operation offshore ...

    • Estimation of top tensions in mooring lines by sensor fusion 

      Sauder, Thomas Michel; Maincon, Philippe Emmanuel; Lone, Erling Neerland; Leira, Bernt Johan (Peer reviewed; Journal article, 2022)
      The paper describes a sensor fusion method that provides reliable, uninterrupted and bias-free estimates of the top tension in a mooring line. The method exploits the geometric nonlinearity of mooring systems installed in ...

    • Fatigue Assessment of Mooring Chain Considering the Effects Of Mean Load and Corrosion 

      Lone, Erling Neerland; Sauder, Thomas Michel; Larsen, Kjell; Leira, Bernt Johan (Peer reviewed; Journal article, 2021)
      Results from full scale fatigue tests of offshore mooring chains performed in recent years have revealed considerable influence of both mean load and corrosion condition on the fatigue capacity. It has been shown that a ...

    • Fatigue reliability of mooring chains, including mean load and corrosion effects 

      Lone, Erling Neerland; Sauder, Thomas Michel; Larsen, Kjell; Leira, Bernt Johan (Peer reviewed; Journal article, 2022)
      A reliability formulation for mooring chain fatigue is developed, including the effects of mean load and degradation due to corrosion. They are included by starting from a S-N model with parameterized dependence to the ...

    • Fatigue reliability of offshore Mooring chains under influence of mean load and corrosion 

      Lone, Erling Neerland (Doctoral theses at NTNU;2023:196, Doctoral thesis, 2023)
      A number of full-scale fatigue tests have been conducted for offshore mooring chain in the last decade for both new and used chains, retrieved after operation in the North Sea. The surface condition of the used chains vary ...

    • Influence of Mean Tension on Mooring Line Fatigue Life 

      Lone, Erling Neerland; Leira, Bernt Johan; Sauder, Thomas Michel; Aksnes, Vegard Øgård; Gabrielsen, Øystein; Larsen, Kjell (Chapter, 2020)
      Studies published in recent years have documented a significant mean load effect on fatigue capacity for offshore mooring chain, and show that a reduction of the mean load gives an increase in fatigue life. However, current ...

    • Probabilistic fatigue model for design and life extension of mooring chains, including mean load and corrosion effects 

      Lone, Erling Neerland; Sauder, Thomas Michel; Larsen, Kjell; Leira, Bernt Johan (Peer reviewed; Journal article, 2022)
      A probabilistic model for mooring chain fatigue damage is developed based on the S–N approach. The effects of mean load and corrosion condition on the fatigue capacity of the chains are included by adopting a parameterized ...