"Simulation is a modeling technique that allows you to monitor the behavior of the real system in a computer model under different conditions by projecting causal relationships belonging to a theoretical or real physical system into a computer model.”

A simulation model should be treated as a tool that basically allows “what-if” analyses to be performed. It shows its user the ethics of different design and operating strategies on overall system performance.


"Predicting the consequences and course of certain decisions

"In determining the reasons for observed results

"Identifying problem areas before investing

"In revealing the effects of changes

"Ensuring that all system variables are found

"In evaluating ideas and identifying inefficiencies

"In fostering new ideas and new thinking

"Testing the integrity and feasibility of your plans


The simulation basically aims to reveal the operational aspects of the system, so what?, when? where? and how? it focuses on the task areas in which its interrogations are conducted.

Computer simulation is a tool that is rapidly becoming popular in system design and analysis. Simulation helps engineers and planners make timely and intelligent decisions about the design and operation of the system. Simulation alone cannot solve problems, but it clearly defines the problem and evaluates altrenative solutions numerically. Simulation, which is a tool that can perform condition “what-if” analysis, can perform numerical measurement and analysis for any proposed solution and help to find the best alternative solution in a short time. By modeling the system on the computer before installing a new system or testing operating policies, it helps us anticipate many pitfalls that may occur when the system is first run. In order to get a good product at the commissioning stage, months, perhaps years of work are compressed into days or even hours by simulation.

The ability of simulation to collect too many and too many variables in a single model makes it an indispensable tool for the design of today's complex systems. In a production system, it can be used to control the operation of workpieces, tools, pallets, transport vehicles, transport ways, processes, etc.., possible combinations, permutations and performance evaluations in their outcome are almost infinite. Computer system has been a requirement for designing practical systems. For service systems, customer flow planning, Personnel Management, Resource Management and information flow simulation are just as important as production systems.

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