5-general_principles

5-general_principles - Professor John Lambadaris...

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Unformatted text preview: Professor John Lambadaris SYSC4005/5001 Winter 2010 1 General Principles of Simulation Winter 2010 Slides are based on the texts: -Discrete Event System Simulation, by Banks et al-Discrete Event Simulation: A first Course, by Leemis and Park Professor John Lambadaris SYSC4005/5001 Winter 2010 2 Concepts ¡ System: interacting entities ¡ Model: abstract representation ¡ System state: a collection of variables ¢ Include all information about the system at any time ¡ Entity: object or component ¡ Attributes: entity properties ¡ Clock: a variable representing simulated time Professor John Lambadaris SYSC4005/5001 Winter 2010 3 Concepts (ctd) ¡ List: a collection of associated entities ¢ Ordered in some logical fashion ¡ Event: an instantaneous occurrence that changes the system state ¡ Event Notice: a record of an event ¢ with data (time and event type) ¡ Event List or Future Event List (FEL): a list of event notices for future events ¢ Ordered by time of occurrence Professor John Lambadaris SYSC4005/5001 Winter 2010 4 Activity and Delay ¡ Activity ¢ A duration of specified time (service time, inter-arrival time, processing time) ¢ Also called unconditional wait. ¢ Computable from the specification when it begins. ¢ Not affected by other events. ¢ Completion of activity is a primary event....
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This note was uploaded on 04/16/2010 for the course SCE sysc5001 taught by Professor Lambadaris during the Spring '10 term at Carleton CA.

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5-general_principles - Professor John Lambadaris...

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