FAA_modeling_and_sim

FAA_modeling_and_sim - Analysis of Air Transportation...

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NEXTOR - National Center of Excellence for Aviation Research 1 Analysis of Air Transportation Systems Modeling and Simulation and its Application to Capacity and Delay Estimation Dr. Antonio A. Trani Associate Professor of Civil and Environmental Engineering Virginia Polytechnic Institute and State University Falls Church, Virginia July 9-12, 2003
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NEXTOR - National Center of Excellence for Aviation Research 2 Outline of this Presentation Review of simulation and modeling techniques Analytic Models (Prelude to Simulation) Monte Carlo Simulation Continuous Simulation Discrete Simulation Future directions in airport simulation Object oriented modeling and simulation Distributed simulation and visualization techniques
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NEXTOR - National Center of Excellence for Aviation Research 3 Introduction to Simulation A definition of simulation is: A technique used to predict the behavior of complex systems over time Simulation entails the use of a computer to evaluate models numerically (Law and Kelton, 1991) Simulation is heavily used among operations research analysts ranking in second place after linear programming (Hillier and Lieberman, 1996) Simulation is part art and part science
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NEXTOR - National Center of Excellence for Aviation Research 4 Definition of System A system is a collection of elements that act and interact towards a common goal Airports have airside and landside elements Access Road Airside Landside Runway Terminal Runway
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NEXTOR - National Center of Excellence for Aviation Research 5 State of a System The state of the system is defined by a set of variables describing the system at some point in time The state of an airport terminal can be dictated by the passenger flows traversing the terminal over time Terminal Building Number of Passengers
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NEXTOR - National Center of Excellence for Aviation Research 6 Airport Simulation Simulations are carried out using models We could use simulation to predict passenger flows inside each element of an airport terminal Time Time Passengers Passengers Ticket Counter Area Security Area
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NEXTOR - National Center of Excellence for Aviation Research 7 Airport Modeling and Simulation Domains Traditionally airport models and simulations have addressed distinct components independently This has been done to simplify the analysis of three distinct flows in the airport system Access Road Airside Landside Runway Terminal Analysis Model Landside Landside (Access) (Terminal) Airside SIMMOD ALSIM Integration
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NEXTOR - National Center of Excellence for Aviation Research 8 Modeling and Simulation Process Problem Formulation Data Collection Data Abstraction Model Construction Model Validation Analysis and Documentation
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NEXTOR - National Center of Excellence for Aviation Research 9 Simulation Effort and Cost Cost Fidelity Analytic Monte Carlo Continuous Discrete Simulation Models Metric
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NEXTOR - National Center of Excellence for Aviation Research 10 Modeling and Simulation Techniques Analytic Models
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