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Operational Decision Support Models and Algorithms for Hospital Admission Planning and Scheduling KU Leuven

Wim Vancroonenburg
The present dissertation focuses on developing operational decision support models and algorithms for hospital admission planning and scheduling. The aim is to increase efficient usage of key hospital resources by supporting human planners at hospital admission offices with automated tools for their daily and weekly decision making. Three planning processes concerned with admission scheduling of patients are considered: assignment of admitted ...

Impact of the level of temporal and operational detail in energy-system planning models KU Leuven

Kris Poncelet, Erik Delarue, Daan Six, William D'haeseleer
To limit the computational cost, bottom-up long-term (LT) energy-system planning models typically have a stylized temporal representation and do not consider techno-economic operational constraints of power plants. Both these simplifications have been shown to have a significant impact on the results. However, increasing the level of temporal and techno-economic operational detail will result in an increased computational cost. In this regard, ...

Bridging the Gap between Mathematical Traffic Models and Operational Parameters KU Leuven

Kristof Sleurs, Dagang Li, Emmanuel Van Lil, Antoine Van de Capelle
Over the past decade and more, several accurate but complex traffic models have been developed by just as many researchers. Among the most accurate models are those based on mathematical principles that are able to model the multifractal nature of network traffic. Unfortunately these models are hardly even usable by network engineers because they lack a connection to operational parameters that can easily be estimated based on the knowledge of ...

Coupling the Town Energy Balance (TEB) Scheme to an operational limited-area NWP model: evaluation for a highly urbanized area in Belgium Universiteit Gent

Rafiq Hamdi, Daan Degrauwe, Piet Termonia
The Town Energy Balance (TEB) single-layer scheme is implemented in a numerical weather prediction model running operationally at similar to 4-km resolution. The primary question addressed is the ability of TEB to function at this relatively coarse resolution and, thus, assessing its potential use in an operational configuration to improve sensible weather performance over Belgium. For this effort, simulations with and without TEB are first ...

Blended SORT-IT for operational research capacity building; the model, its successes and challenges Instituut voor Tropische Geneeskunde

Tom Decroo, Rafael Van den Bergh, Ajay M V Kumar, Rony Zachariah, Erin Schillberg, Philip Owiti, Wilma van den Boogaard, Guido Benedetti, Safieh Shah, Engy Ali, et al.

The Structured Operational Research Training Initiative (SORT-IT) has been shown to be very effective in strengthening capacity for conducting operational research, publishing in scientific journals and fostering policy and practice change. The 'classic' model includes three face-to-face modules during which, respectively, a study protocol, a data analysis plan, and a manuscript are elaborated. Meanwhile, the lectures of the SORT-IT are ...

Application of Boyd’s periodization and relaxation method in a spectral atmospheric limited-area model, part II : accuracy analysis and detailed study of the operational impact Universiteit Gent

Daan Degrauwe, Steven Caluwaerts, Fabrice Voitus, Rafiq Hamdi, Piet Termonia
Spectral limited-area models face a particular challenge at their lateral boundaries: the fields need to be made periodic. Boyd proposed a windowing-based method to improve the periodization and relaxation. In a companion paper, the implementation of this windowing method in the operational semi-implicit semi-Lagrangian spectral HARMONIE system was described and some first reproducibility tests, comparing this method to the old existing one, ...