How can I display Post Calculation Processor results for different scenarios?

Product(s): WaterGEMS, WaterCAD
Version(s): 10.00.xx.xx, 08.11.xx.xx
Area: Modeling

Problem

How can I display Post Calculation Processor results for different scenarios?

Solution

The Post Calculation Processor is a tool that allows you to run simple statistical analyses on results obtained from computing an extended period simulation (EPS). These results can be displayed in the element properties or FlexTables as User Data Extensions.  Based on the analysis you are doing, there may be cases where you want a UDX to display results found in a given scenario. For instance, suppose you have two scenarios with different demand data for the junctions in the model. You may want to find the mean demand for a node for each scenario and have the correct results display when you have a given scenario active. The following steps can be used to set this up.

The first thing you will need to do is create a new User Data Extension alternative for each scenario. Using the example above, if you two scenarios with different demand alternatives, you will want two User Data Extension alternatives as well.

These alternatives will need to be assigned to the appropriate scenarios. Next, I created a User Data Extension to be used in the Post Calculation Processor.

After computing both scenarios, make one of the two scenarios active and run the post calculation processor, assigning the results to the UDX that was created. Then change the scenario and run the post calculation processor again, assigning the result to the same UDX.

Now when you switch between scenarios, the correct statistical results in the UDX will be displayed for the given scenario. 

So the key will be to have a User Data Extension alternative for each of the scenario/alternative where this would apply. So if you are doing the statistical analysis on the demand, you would need a User Data Extension for each Demand alternative.

See Also

Using the Post Calculation Processor for statistical analysis of results

Creating formula-based User Data Extensions

  • Created by Bentley Colleague
  • When: Fri, Mar 3 2017 3:33 PM
  • Revisions: 1
  • Comments: 0
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