3614 Grasas Juan and Ramalhinho Figure 2 Developing simulation optimization

3614 grasas juan and ramalhinho figure 2 developing

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Grasas, Juan, and Ramalhinho Figure 2: Developing simulation-optimization solutions in Java. 5 SIMULATION EXPERIMENTS AT UAB 5.1 Context The Autonomous University of Barcelona was born in 1968 with the motto of establishing the following four principles of autonomy: faculty hiring, students ’ admission, study plans development, and univers i- ty’s capital administration. It consists of 57 departments in the experimental, life, social and human sci- ences. UAB has more than 40,000 students and more than 3,600 academic and research staff, and it offers almost 200 qualifications among first degrees, diplomas, engineering degrees, doctoral and other post- graduate programs. UAB is considered the best University in Spain by the 2012 QS World University Rankings. 5.2 Course Contents In a first course on simulation addressed to students of a master in aeronautical management, the focus is centered on the potential applications of simulation for supporting decision-making processes at airports and aircraft management, i.e., the instructors effort is oriented to illustrate the benefits that simulation techniques offer to analyze, understand, and improve complex aeronautical systems. Thus, we usually employ a state-of-the-art simulator such as Simio, Arena, ExtendSim, etc. in order to facilitate the rap- id development of interactive models which allow students to experiment with their parameters and esti- mate the system performance under different scenarios (Figure 3) . 5.3 Application and Insights As stated before, simulation courses at UAB allow students to familiarize themselves with some modeling tool which also allows them to perform what-if analysis on a computer model by considering different values for its parameters. Typical systems analyzed include: access control points, check-in points, bag- gage handling systems, boarding strategies, etc. Additionally, some advanced students who decide to complete their final project master ’s degree in this field are also able to develop their own software simu- lators usually employing spreadsheets in combination with MS Visual Basic for Applications to be used in complex stochastic optimization issues such as the aircraft boarding problem or the aircraft turna- 3615
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Grasas, Juan, and Ramalhinho round problem. In the first problem, the best boarding strategy must be found among several alternative policies (Mas et al. 2013). Of course, several random behaviors associated with boarding passengers need to be considered here e.g., speed, number and weight of suitcases, number of passengers with specific needs, etc. In the second problem, also characterized by several random behaviors, the take off scheduling of an airplane must be decided having into account several trade-off factors, i.e., costs of each extra mi- nute the aircraft is not flying and costs of each extra minute the plane is delayed with regards its sched- uled departure time (Silveiro, Juan, and Arias 2013).
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