Inline structure

[Matheo]

Hello,

I inserted a few weirs as inline structures along a river reach. However, whenever a weir is inserted, the river bottom is changed upstream and downstream of the structure. Upstream, the river bottom becomes flat and downstream the river bottom suddenly drops. I searched for some solution in the manual, but did not find anything relevant.

An image of the river profile is given below:

Your help will be very much appreciated.

With thanks,

Matheo

[Matheo]

Well, the sole solution I found is to create dummy cross-sections immediately upstream and downstream of each weir. Alternatively, I could interpolate and increase the number of cross-sections in my reach. Ok, that would be a solution.

But if you know another way to deal with this issue, thanks to let me know – I am still interested in any other relevant solution.

Thanks in advance.

Math.

[Anonymous]

Any structure, bridge, culvert, inline weir, should have an upstream and downstream face XS. This is described in several RAS manuals.

[Author]

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