Browsing NTNU Open by Author "Andersson, Carl Henrik"
Now showing items 1-6 of 6
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A branch-and-cut embedded matheuristic for the inventory routing problem
Skålnes, Jørgen; Vadseth, Simen Tung; Andersson, Carl Henrik; Stålhane, Magnus (Peer reviewed; Journal article, 2023)This paper presents an improved version of the solution method that won the inventory routing problem track of the DIMACS Implementation Challenge. The solution method is a branch-and-cut embedded matheuristic where a ... -
Emergency exit layout planning using optimization and agent-based simulation
Barth, Maren Schliekelmann; Palm, Katharina; Andersson, Carl Henrik; Granberg, Tobias Andersson; Gullhav, Anders Nordby; Krüger, Andreas Jørstad (Peer reviewed; Journal article, 2023)Evacuation preparedness includes ensuring proper infrastructure, resources and planning for moving people from a dangerous area to safety. This is especially important and challenging during mass gatherings, such as large ... -
Implementing Electric Aviation in Norway, the Strategic Electric Aviation Problem over Multiple Periods
Voll, Laila Oftedal (Master thesis, 2023)Håndteringen av global oppvarming krever radikale endringer i sektorer med høye utslipp. Denne avhandlingen fokuserer på luftfartsindustrien, spesielt i Norge, med tanke på overgangen til elektrisk luftfart (EA). Med mål ... -
Joint planning of drones and volunteers in emergency response to out-of-hospital cardiac arrest
Frigstad, Lasse; Furu, Vegard; Svenkerud, Sigve Kristiansen; Claesson, Andreas; Andersson, Carl Henrik; Granberg, Tobias Andersson (Peer reviewed; Journal article, 2023)Various initiatives are in place worldwide to reduce the time from the occurrence of an out-of-hospital cardiac arrest to the start of cardiopulmonary resuscitation (CPR) and defibrillation using an Automated External ... -
A modeling framework for evaluating proactive and reactive nurse rostering strategies — A case study from a Neonatal Intensive Care Unit
Klyve, Kjartan Kastet; Løyning, Isabel Nordli; Melby, Line Maria Haugen; Andersson, Carl Henrik; Gullhav, Anders Nordby (Journal article; Peer reviewed, 2024)We develop a modeling framework for rostering, absence and demand uncertainty realization, and rerostering to perform detailed quantitative analyses of the robustness of nurse rosters. The framework reflects a real-life ... -
The Snow Grooming Routing Problem
Andersson, Carl Henrik; Høyland, Sondre; Krogstad, Jesper Anker; Flatberg, Truls; Gullhav, Anders Nordby (Peer reviewed; Journal article, 2023)There are more than 30,000 km of cross-country skiing tracks in Norway, and to maintain these track networks municipalities and local ski clubs spend more than 250 million NOK every year. The primary cost driver is the ...