August 24, 2010

Simulation Systems

A simulation system is a software application, some times used in combination with specialized hardware, which re-creates or simulates the complex behavior of a system in its real environment. It can be defined in many ways:
"The process of designing a model of a real system and conducting experiments with this model for the purpose of understanding the behavior of the system and/or evaluating various strategies for the operation of the system"-- Introduction to Simulation Using SIMAN, by C. D. Pegden, R. E. Shannon and R. P. Sadowski, McGraw-Hill, 1990.
"A simulation is a software package (sometimes bundled with special hardware input devices) that re-creates or simulates, albeit in a simplified manner, a complex phenomena, environment, or experience, providing the user with the opportunity for some new level of understanding. It is interactive, and usually grounded in some objective reality. A simulation is based on some underlying computational model of the phenomena, environment, or experience that it is simulating. (In fact, some authors use model and modeling as synonyms of simulation.)" --Kurt Schumaker, A Taxonomy of Simulation Software." Learning Technology Review.
In simple words simulation is nothing but a representation of a real system. In a programmable environment, simulations are used to study system behavior or test the system in an artificial environment that provides a limited representation of the real environment.

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