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Thread: Pump Instability

  1. #1

    Join Date
    Dec 2017

    Pump Instability

    I am using Infoworks ICM. I have created an RTC for a pump so it switches on/off based on the level at downstream node. However, the pump flow has produced unexpected results. I have attached some screenshots: image 1 is what they should look like, but for certain simulations, they have produced different results as in image 2 and 3. Can anyone tell me why it has done this?

    Attached Images Attached Images

  2. #2

    Join Date
    Jan 2018
    Hey Jack, What simulation parameters are you using as image 2 and 3 are very small flows ... You may need to look into the flow and volume tolerance. Check out the Help Topic "Simulation Parameters" for more details

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