Hi, I have designed an open channel network and when i am computing this network there are warnings such as channel has over topped and nodes are flooded. In such cases what do you suggest me to do? Should i change the section size and lower the invert? Also, as open channel cannot be designed automatically, and when i am changing the section size the invert elevations are not changing automatically so in such cases do i need to change the invert elevations depending on the depth of the channel manually? please explain how what is crown elevations and invert elevations? thank you.
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