Welcome to the RAS Solution Forums HEC-RAS Help Hydrograph within 2D area?

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  • #16945
    steven crisp
    Participant

    Hello,

    I can print a hydrograph at the upstream and downstream boundary condition lines, but I was wondering if there was a way to draw an Internal Boundary Condition line within the 2D area to get a representative flow with time through that line? All I can get is a stage but not flow. Additionally, I created an external BC line across the entire 2D area, and it did not like this when computing and wanted to change it to internal.

    I see I can click on individual cells to plot stage also, but no flow with time.

    Thank you

    #16946
    Luis Partida
    Participant

    You have 2 options here, the first is the old school way and that is to add a weir within the 2D domain that is elevated 0.01 (units) above the terrain using a very low weir coefficient of 0.2. The second option is using the new RAS feature called “reference lines” you will see the button at the top of the geometry data editor. This will also now be a part of your output HDF which if you are doing any type of automation with your output; then this is the best method.

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