Scenario
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In Flow Designer, a scenario is a hydraulic model that represents an event or a derivative of an event occurring in a fluid system that is simulated in the software.
It is applied to represent the various operating conditions of a fluid system through creation of a "parent", "child" or "sibling" relationship from a base hydraulic model.
The "child" or "sibling" hydraulic models inherit their input definitions from the "parent" hydraulic model through which they are derived. Thus, any input change in the "parent" model results to the same input change to their "child" and its "sibling" models.
On the other hand, the input definition of a "parent" hydraulic model is taken from the base hydraulic model. This means that changing input data of the base model also automatically update the input definition of "parent" and its "child / children" hydraulic models with the same change.
In addition, creating a "child" from another "child" turns the latter to a "parent" hydraulic model.
When an update has been made on the base or "parent" model, the "sync" icon appears to denote that input definition has been changed.
However, note that when a change in input data is implemented in a "child" hydraulic model, the changes are not reflected on the base, "parent", or their "sibling" models. Moreover, this would cause the relevant input data to not be affected when changes are made on its "parent" or base models.