Page 10 - ExtendSim User Guide
P. 10

Commonly used blocks..........................................................................................................296 Gathering statistics.................................................................................................................297 Clearing statistics...................................................................................................................297
Clearing Statistics model ...............................................................................................................297 Using the History block to get item information ...................................................................297 History model ................................................................................................................................298
Verifying Information model .........................................................................................................299 Using the Item Log Manager to get item information ...........................................................299 Accumulating data .................................................................................................................299
Non-Processing model...................................................................................................................299
Processing model...........................................................................................................................300 Time weighted versus observed statistics ..............................................................................300 Time Weighted Statistics model.....................................................................................................301 Timing the flow of items in a portion of the model...............................................................301
Tips and Techniques ................................................................................................. 303 Moving items through the simulation....................................................................................304 How items move through the simulation.......................................................................................304
Connections to multiple item input connectors .............................................................................306 An item’s travel time .....................................................................................................................306 Using scaling for large numbers of items ......................................................................................307 Preprocessing ................................................................................................................................. 307 Restricting items in a system .........................................................................................................307 Connecting to the select connector ................................................................................................308
Continuous blocks in discrete event models..........................................................................308 Setting time-based parameters using connectors...........................................................................309 Varying a distribution’s arguments ................................................................................................309 Using the Holding Tank block to accumulate values.....................................................................310
Cycle timing...........................................................................................................................312 Using the Timing attribute feature.................................................................................................312 Using a Set or Equation(I) and Information blocks.......................................................................313
Item library blocks .................................................................................................................313 Executive block..............................................................................................................................313 Templates ....................................................................................................................................... 314 Block types ....................................................................................................................................314 Common connectors on discrete event blocks...............................................................................315
Event scheduling....................................................................................................................316 Event calendars..............................................................................................................................317 Zero time events.............................................................................................................................317 Event Scheduling model................................................................................................................318
Messaging in discrete event models ......................................................................................319 Block messages..............................................................................................................................319
DISCRETE RATE MODELING
Introduction .............................................................................................................. 323 What this chapter covers........................................................................................................324 Discrete rate application areas ...............................................................................................324 Simulating discrete rate systems............................................................................................325
Comparison to discrete event and continuous modeling ...............................................................325
Discrete rate models.......................................................................................................................326 Blocks for building discrete rate models ...............................................................................327 Rate library ....................................................................................................................................327
Creating custom discrete rate blocks .............................................................................................327


































































































   8   9   10   11   12