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Wanda is an advanced, interactive software package to support the hydraulic design process of your pipeline system. The program is used for the hydraulic analysis of steady and unsteady flow conditions in arbitrary configured pipeline networks.
Specific features
Steady/nonSteady run
Wanda can be run in steady state or nonsteady state. In the steady state setting, every timestep will be treated as independent of the previous or following timestep. In the non-steady state, the model will perform as a hydraulic model where disturbances can run through the system. If a timestep in one of the input timeseries contains a missing value in steady state modus, that timestep will not be simulated and the adapter will continue to the next timestep. In non-steady state, the wanda adapter will exit with a warning message.
Pumploop
Combined pre- and post- adapter
A common practice for development of FEWS model adapters is to develop two separate adapters for pre- and post processing of model input and output. For Wanda this resulted in two adapters, the WandaPreadapter and WandaPostAdapter. However on request of the users an additional, combined adapter has been added, the WandaAdapter which performs both the pre-and post processing tasks as wel as exFor specific purposes it can be handy to combine multiple model simulations in one run. This is the case where the actual functioning of a pump is simulated, which is influenced by the other pumps in the same system. In the GeneralAdapter it is configured as one run, but the Model Adapter will run Wanda X times (X is the number of the pumps in the Wanda model). Every run, all pumps will be given the parameter: loopChoiceInputParameterId (see section below), except the pump that is being simulated: this pump will get the other parameters (water level suction side, pumpspeed). The result of this run will be the discharge for this pump. Looping this way through all pumps, the Module Adapter will collect the results for all pumps in the system and import it as the result of one model simulation.
Wanda adapter binary folder
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- key - runSteadyForEveryTimeStep: this setting can be true or false. If true, every timestep that is simulated is independent of every previous or following timestep. So every timestep is handled as a steady situation. If false, the model will run as a hydraulic model simulating a non-stationary situation.
- key - wdi: this setting contains the name and path of the actual Wanda model
- key - loopChoiceName (optional): required for pump loop setting
- key - loopChoiceInputParameterId (optional): required for pump loop setting
- key - loopChoiceSelectionIndex (optional): required for pump loop setting
ExecuteActivities Section
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- command - executable: this contains the path to java.exe
- arguments: the several required arguments for java.exe to be able to run the Wanda adapter. Make sure the reference to the runInfo file is correct (as specified in exportActivities section).
ImportActivities Section
The following image is an example of the importActivities section. An important element here is the exportPlaceHolderFile: this should be set to true.
Example configuration
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