Page 6 - ExtendSim User Guide
P. 6

Third-party libraries.......................................................................................................................100
Creating custom discrete event blocks...........................................................................................100 Terminology and architecture ................................................................................................101 Overview of a discrete event model ..............................................................................................101
Layout of a discrete event model...................................................................................................101 Executive block..............................................................................................................................101 Items and informational values......................................................................................................102 Item properties...............................................................................................................................102 Events............................................................................................................................................. 103 Activities ........................................................................................................................................ 103 Resources ....................................................................................................................................... 103 Connectors .....................................................................................................................................103 Closed and open systems...............................................................................................................104 Types of item handling blocks.......................................................................................................104
Application areas ...................................................................................................................104 Next steps...............................................................................................................................105
Tutorial ..................................................................................................................... 107 A basic discrete event model .................................................................................................108 About the model.............................................................................................................................108
Starting a model and setting simulation parameters......................................................................108
Start small ......................................................................................................................................109 Adding complexity ................................................................................................................112 Creating a second wash bay...........................................................................................................112
Explicit routing ..............................................................................................................................113 Requiring resources .......................................................................................................................113 Item attributes ................................................................................................................................114
Further exploration ................................................................................................................117
Items, Properties, and Values ................................................................................... 119 Blocks of interest ...................................................................................................................120 Item generating and removing.......................................................................................................120
Item properties...............................................................................................................................120
Property-aware blocks ...................................................................................................................121 Item generation ......................................................................................................................121 Generating items at random intervals............................................................................................121
Random intervals with dynamic parameters..................................................................................122
Generating items according to a schedule .....................................................................................124 Item properties .......................................................................................................................125 Item attributes ................................................................................................................................125
Priority ...........................................................................................................................................133 Quantities ....................................................................................................................................... 134 Other item properties .....................................................................................................................137
Queueing .................................................................................................................. 139 Blocks of interest ...................................................................................................................140 Queueing disciplines..............................................................................................................140 Queue/server systems ............................................................................................................141
M/M/1 queues................................................................................................................................142
Priority queues...............................................................................................................................142 Queueing considerations........................................................................................................143 Blocking ......................................................................................................................................... 143
Balking ........................................................................................................................................... 143 Reneging ........................................................................................................................................143 Jockeying .......................................................................................................................................144


































































































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