Hello everyone,
I am creating a sediment transport model using HEC-RAS (v 6.1) in 1D.
I want to compare a simulation in a fixed bed condition (erosion not allowed) with another in a mobile bed condition (erosion allowed).
In order to consider the fixed bed, I have set the value of the Max Depth to zero in each section. Unexpectedly, the model shows that Mass (Vol) Out Cum is greater than Mass (Vol) In Cum. (Attached images)
How can I explain this? Have I set the wrong condition for a fixed bed?
Thank you for your answer
Thank you, Jochen for your answer.
Unfortunately, the condition Pass Through Nodes does not allow sediment in the section applied either to be deposited or to be eroded.
I need to simulate a fixed bed like a concrete bed where the sediment can be deposited, but erosion is not allowed.
So, I am still finding a solution.
Best,
Daniele
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