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This paper provides simulation practitioners and consumers with a grounding in how discrete-event simulation software works. Topics include discrete-event systems; entities, resources, control elements and operations; simulation runs; entity states; entity lists; and their management. The implementations of these generic ideas in AutoMod, SLX, ExtendSim, and Simio are described. The paper concludes...
Central Venous Catheter (CVC) placement is a common surgical procedure, with an estimated 400,000 complications every year in the United States (Raad 1998). There are mechanical complications related to arterial puncture and pneumothorax derived from improper technique. The lack of correct and repetitive training on central line placement is considered a key factor in these complications. This paper...
Agent_Zero is a formal alternative to the rational actor model that has dominated social science since the 1940s. This software individual is the first to be endowed with distinct affective, deliberative, and social modules. Grounded in neuroscience, these internal facets interact to produce far-from-rational individual behavior. And when ensembles of these agents interact spatially they generate...
This paper describes a decision support system (DSS) built on knowledge extraction using simulation-based optimization and data mining. The paper starts with a requirements analysis based on a survey conducted with a number of industrial companies about their practices of using simulations for decision support. Based upon the analysis, a new, interactive DSS that can fulfill the industrial requirements,...
Over the last decade there has been a growing interest in ‘conceptual modeling’ for simulation. This is signified by a greater intensity of research and volume of papers on the topic. What is becoming apparent, however, is that when it comes to conceptual modeling there are quite different views and opinions. These differences may be beneficial for creating a debate that takes the field forward, but...
Electric mobility has gained much attention over the last years. The reason for this popularity is the hope that the electric powertrain may—one day—replace conventional combustion engines; including all the problems they cause. At first glace, this hope seems to be justified, on second thought, however, electric vehicles (EVs) do not appear as environment-friendly as they are supposed to. The problem...
This paper compares widely employed simulation modeling approaches: System Dynamics (SD) and Discrete Event Simulation (DES). SD and DES follow two quite different modeling philosophies and can bring very different but complimentary insights in understanding to the same ‘real world’ problem. An exploratory study is undertaken to investigate the ability of new practitioners to assimilate and then put...
Object-Oriented DES (O2DES) is an effort to implement the object oriented paradigm in the scope of ease the development of discrete event simulation models in both education as well as industrial settings. In particular, O2DES offers several functionalities which support the integration of the tool with optimization techniques, thus making it easier to the students to understand the concept of simulation-optimization...
A common issue facing many simulation educators is that students usually spend excessive time to struggle with the programming and statistic parts of the simulation courses, and simply very little time to learn running systems analysis. If the students are coming from industry, and not the campus, then the problem becomes even worse. We observed this problem around 2005 and started to develop a new...
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