Blar i SINTEF Open på forfatter "Hvattum, Lars Magnus"

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    • A survey on maritime fleet size and mix problems 

      Pantuso, Giovanni; Fagerholt, Kjetil; Hvattum, Lars Magnus (Journal article; Peer reviewed, 2014-06-01)
      This paper presents a literature survey on the fleet size and mix problem in maritime transportation. Fluctuations in the shipping market and frequent mismatches between fleet capacities and demands highlight the relevance ...

    • Benchmark Suite for Industrial and Tramp Ship Routing and Scheduling Problems 

      Hemmati, Ahmad; Hvattum, Lars Magnus; Fagerholt, Kjetil; Norstad, Inge (Journal article; Peer reviewed, 2014-07-01)
      This paper considers a class of cargo ship routing and scheduling problems from industrial and tramp shipping and presents a wide range of benchmark instances that have been created to represent realistic planning problems ...

    • Heuristics for dynamic and stochastic routing in industrial shipping 

      Tirado, Gregorio; Hvattum, Lars Magnus; Fagerholt, Kjetil; Cordeau, Jean-François (Journal article; Peer reviewed, 2013-01)
      Maritime transportation plays a central role in international trade, being responsible for the majority of long-distance shipments in terms of volume. One of the key aspects in the planning of maritime transportation systems ...

    • Vessel fleet analysis for maintenance operations at offshore wind farms 

      Halvorsen-Weare, Elin Espeland; Gundegjerde, Christian; Halvorsen, Ina Blomseth; Hvattum, Lars Magnus; Nonås, Lars Magne (Journal article; Peer reviewed, 2013)
      Performing maintenance operations at offshore wind farms involves one major challenge compared with the onshore counterpart: All maintenance personnel and spare parts need to be transported from an onshore port or offshore ...

    • Vessel Fleet Optimization for Maintenance Operations at Offshore Wind Farms under Uncertainty 

      Stålhane, Magnus; Vefsnmo, Hanne; Halvorsen-Weare, Elin Espeland; Hvattum, Lars Magnus; Nonås, Lars Magne (Journal article; Peer reviewed, 2016-09)
      In this paper we consider the problem of determining the optimal fleet size and mix of vessels to support maintenance activities at offshore wind farms. A two-stage stochastic programming model is proposed where uncertainty ...