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| Introduction | |
| Build a New Model | |
| The Clock | |
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Process and Arrival Times |
| Resources | |
| Assembling Work | |
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Results |
| Graphics | |
| Glossary |
Results are available for every Object you have created and placed on the screen. This means that every Work Entry Point, Storage Bin, Work Center, Work Exit Point and Resource will have its own set of results. These can be placed on a Results Summary sheet for easier a analysis and for presentation.
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Click on the Work Entry Point and select the Results button. This shows the number of items that entered the simulation throughout the Results Collection Period, and any items that were "lost". This could occur if the Work Entry Point was blocked, perhaps by a store being already full. |
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Storage Bin results show more information, and also produce graphical
output. The Storage Bin Results show how many items have passed through the store, and how many remain at the end of the simulation, as well as the average number in the store over the Results Collection Period. Queuing Time is also shown, and may be vital for some industries where items may require rework if they wait too long (e.g. adhesive parts), or there is a Customer Service standard, like retail or call centers.
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Graphical output is also available, and tells a more dynamic story. This time graph shows that the queue only build up after the 100 items in Stock are used up, and after that the store simply grows and grows. Contents are on the Y axis, and Time is on the X axis. |
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Work Center Results show the number of items processed, and the proportion of Results Collection Period that the Work Center was actually working, waiting, blocked or broken down. Graphical output and a Pie chart are available. |
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Work Exit Points report the number of items processed, and a summary of the time spent in the system |
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Resources results show simply the Utilization of the Resource. This is the proportion of the Resources' available time actually spent working. |
All of these Results can be added to the Results Summary. Hover the mouse over the Result you want to add to the summary and then Right Click. You can view the Results Summary by using the Results menu, Results Summary option.
The Results from 1 run of a simulation may be misleading - they may be artificially "good" or "bad" as they are based on random number streams. To get a more realistic impression a number of concurrent runs, using different random number should be made. SIMUL8 calls this Running a Trial.
Run a Trial by using the Trials menu, Conduct Trial option. In this case the Number Entered, Complete, and Resource Utilization have been entered, and the Stock start up quantity increased.
The Results Summary automatically produces upper and lower 95% Confidence Intervals. This can be interpreted as "on 95 occasions out of 100 a result between the upper and lower 95% range figures is predicted.
