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Simulation and Modelling



                      Notes         Computer Simulation in Practical Contexts


                                                     Figure  10.6:  Smog  around  Karl  Marx  Stadt  (Chemnitz)






















                                    Computer simulations are used in a wide variety of practical contexts, such as:
                                    1.   Analysis of air pollutant dispersion using atmospheric dispersion modeling
                                    2.   Design of complex systems such as aircraft and also logistics systems.

                                    3.   Design of Noise barriers to effect roadway noise mitigation
                                    4.   Flight simulators to train pilots
                                    5.   Weather forecasting
                                    6.   Simulation of other computers is emulation.

                                    7.   Forecasting of prices on financial markets (for example Adaptive Modeler)
                                    8.   Behavior of structures (such  as buildings and industrial parts) under stress and other
                                         conditions

                                    9.   Design of industrial processes, such as chemical processing plants
                                    10.  Strategic Management and Organizational Studies
                                    11.  Reservoir simulation for the petroleum engineering to model the subsurface reservoir
                                    12.  Process Engineering Simulation  tools.

                                    13.  Robot simulators for the design of robots and robot control algorithms
                                    14.  Urban Simulation Models that  simulate dynamic  patterns of  urban development and
                                         responses to urban land use and transportation policies. See a more detailed article on
                                         Urban Environment Simulation.
                                    15.  Traffic engineering to plan or redesign parts of the street network from single junctions
                                         over cities to a national highway network, for transportation system planning, design and
                                         operations.
                                    16.  Modeling car crashes to test safety mechanisms in new vehicle models

                                    The reliability and the trust people put in computer simulations depends on the validity of the
                                    simulation  model,  therefore  verification  and  validation  are  of  crucial  importance  in  the
                                    development of computer simulations. Another important aspect of computer simulations is
                                    that of reproducibility of the results,  meaning that a simulation model should not provide a



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