Essays on Discreet Time Simulation Case Study

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@2011SIMULATION AND SYSTEMS MODELLINGIntroductionSimulation entails the design of a given real system and its use in the conducting of experiments so as to better understand the behavior of the system in question. It may also be used in the evaluation of various strategies made use of in the operation of the system in question. Simulation can be categorized into discrete event, hybrid or continuous based types on the basis of the way in which the model represents the changes of state within a given modeled system. Simulation is a cost effective tool of analysis that is made use of by engineers to assist them and their managers in quick and reliable decision making.

Applications of Discrete Event Simulation in the Design of Automotive Powertrain Manufacturing Systems (Production Modeling Corporation)The manufacture of automotives is a complicated task that needs the integration and production of thousands of various components. The powertrain system is among the vital parts of each and every automobile. The transmission and the engine are the vital components that make up the powertrain system. The manufacture of engines and good quality transmissions constitute an automobile’s good quality.

Typically all the necessary sub-assemblies or automotive components for instance transmissions and engines are separately produced and assembled to one another and finally to the chassis at the final assembly stage of a given automobile. It therefore follows that the different parts of an engine for instance crankshaft, camshaft etc are sub-assembled in different areas and then put together at a final stage to constitute the engine. Discrete event simulation is thus a standard tool that is made use of in designing and implementing various automotive manufacturing systems that range from a given connecting rod sub machining system to an automotive assembly system.

Among the successful applications of discrete event simulation are obtained from Ulgen et al. 1994, Jeyebalan et al. 1992 and Gunal et al. 1996. Most automotive companies for instance the big three car manufacturing companies based in the United States (General Motors Corporation, Chrysler Corporation and Ford Motor Company) currently need a modified and new manufacturing system design (Ulgen et al 1996). Simulation applications that exist in the automotive industry maybe classified into four major applications areas for example; use in the assembly of vehicle parts, use in the assembly of different vehicle components for example transmission plants, stamping and engines.

Application in the assembly of small component plants for example small metal parts, starter plants, electronics and small metal parts. Lastly, they have also been applied in logistics and Supply chain. According to Jayaraman and Gunal 1997, the most common objectives for the utilization of discrete event simulation systems are; bottleneck detection, the optimization of shift patterns, the design of material handling systems, the comparison of operating philosophies, determination of system throughput, analysis of the storage issues of various materials and manpower optimization and allocation. Below is a figure that shows a typical engine set up; Load Engine Blocks FLOW Unload completed engines TESTING AREA FLOW Summary of the Case Study

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