Browsing Bidrag fra ansatte by Author "Oppen, Johan"
Now showing items 1-5 of 5
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A sustainable model for optimal dynamic allocation of patrol tugs to oil tankers
Assimizele, Brice; Oppen, Johan; Bye, Robin Trulssen (Chapter, 2013) -
Decision support for flexible liner shipping
Oppen, Johan (Peer reviewed; Journal article, 2016)We present a transportation problem representing a combination of liner and tramp shipping, where using other modes of transportation is also an option. As an example, we consider transportation of palletized frozen fish ... -
Including containers with dangerous goods in the Multi-Port Master Bay Planning Problem
Gebrearegawi Kebedow, Kiros; Oppen, Johan (Peer reviewed; Journal article, 2018)In this paper we extend existing models for Master Bay Planning by handling containers holding dangerous goods, so-called IMO containers. Incompatible IMO containers must be separated from each other on board a vessel ... -
Including containers with dangerous goods in the Slot Planning Problem
Kebedow, Kiros Gebrearegawi; Oppen, Johan (Chapter, 2019)Container stowage problems are rich optimization problems with both high economic and environmental impact. These problems are typically decomposed into a master bay planning phase, which distributes containers to bay ... -
Preventing environmental disasters from grounding accidents : a case study of tugboat positioning along the Norwegian coast
Assimizele, Brice; Royset, Johannes; Bye, Robin Trulssen; Oppen, Johan (Peer reviewed; Journal article, 2018)An important task of operators in Norwegian vessel traffic services (VTS) centres is to cleverly position tugboats before potential vessel distress calls. Here, we formulate a non-linear binary-integer program, integrated ...