MSU CMPS 4223 - Lecture Notes (44 pages)

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Lecture Notes



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Lecture Notes

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Pages:
44
School:
Midwestern State University
Course:
Cmps 4223 - Intro To Simulation
Intro To Simulation Documents

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Discrete Event System Simulation An Introduction to the Basic Principles of Simulation 1 Required Text Discrete Event System Simulation 5th Edition Banks Carson Nelson Nicol Other editions are probably adequate but not exactly as the 5 th 2 Modeling Modeling involves observing a system noting the various components then developing a representation of the system that will allow for further study of or experimentation on the system Focus computer model Data Structures Implementation Interaction of the components 3 Simulation The process of running a computer model of a real system to study or conduct experiments For understanding the model or its behavior To evaluate strategies for operation of the system Involves generation of an artificial history used to draw conclusions about the real system 4 Modeling Simulation Often described as one process Should distinguish between the two 5 System A set of inputs which pass through certain processes to produce outputs A set of related components which work together toward a given goal A group of objects joined in regular interactions or interdependence for the accomplishment of some purpose Helpful if a system is observable measurable systematic 6 System Environment World in which the system exists System is affected by elements outside the system the system environment Boundary line between the system its environment Decision on boundary is dependent upon simulation purpose 7 System Components Consists of objects called ENTITIES Entities have a set of properties called ATTRIBUTES that describe them There exist interactions called ACTIVITIES and or EVENTS that occur between the entities that cause them to change The STATE OF A SYSTEM is a snapshot of the system at a given time i e variables necessary to describe system The model starts in its INITIAL STATE 8 Activities Events Cause changes in the attributes of the entities and therefore the state of the system Event instantaneous Activity has a length of time 9 System



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