Page 5 - ExtendSim User Guide
P. 5

Comparing contents to overflow limit .......................................................................................... 68 Calculating how much water to remove........................................................................................ 68 Removing the overflow ................................................................................................................. 69
Simplifying the model ...........................................................................................................70 Adding an Equation block............................................................................................................. 70 Specifying input variables ............................................................................................................. 71 Specifying output variables ........................................................................................................... 71 Entering the equation .................................................................................................................... 71
Improving the accuracy of the model ....................................................................................72 Next steps...............................................................................................................................73
Areas of Application................................................................................................. 75 Scientific ................................................................................................................................76 Predator/Prey ................................................................................................................................. 76
Drug Ingestion............................................................................................................................... 78 Engineering ............................................................................................................................79 Noisy FM system .......................................................................................................................... 79 Business .................................................................................................................................80
Inventory Management ................................................................................................................. 80 Social sciences .......................................................................................................................81 City Planning................................................................................................................................. 82 Custom blocks........................................................................................................................83
Planet Dance.................................................................................................................................. 83 Fish Pond....................................................................................................................................... 84
Concepts, Tips, and Techniques ............................................................................... 87 Simulation timing ..................................................................................................................88 Delta time...............................................................................................................................88
Delta times other than 1 ................................................................................................................ 89 Determining which dt to use ......................................................................................................... 89 Specifying dt or the number of steps............................................................................................. 89
Feedback and delays ..............................................................................................................90 Feedback........................................................................................................................................ 91 Delays in feedback loops............................................................................................................... 91
Integration ..............................................................................................................................91 Simulation order.....................................................................................................................92 Flow order ..................................................................................................................................... 92
Left to right order .......................................................................................................................... 92
Custom order ................................................................................................................................. 92 Mixing block types ................................................................................................................93 Connections to multiple inputs ..............................................................................................93 Using plotters as inputs..........................................................................................................94 Using a plot line as reference or standard..............................................................................94 Uncluttering models...............................................................................................................94
DISCRETE EVENT MODELING
Introduction .............................................................................................................. 97 About the Discrete Event module ..........................................................................................98 How the Discrete Event module is organized ............................................................................... 98
What the Introduction to the Discrete Event module covers ........................................................ 99 Discrete event systems and processes....................................................................................99 Blocks for building discrete event models.............................................................................100
Item library .................................................................................................................................... 100


































































































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