Greeting:
I am attempting to do the following:
Have an US 2 D flow area go through a 1D cross section through a culvert and discharge into a downstream 2D flow area. A Dam connection has set up inside the 1 D cross sections (culvert going under a roadway). Trying to follow instructions in link below:
https://www.hec.usace.army.mil/confluence/rasdocs/r2dum/latest/development-of-a-2d-or-combined-1d-2d-model/connecting-2d-flow-areas-to-1d-hydraulic-elements
The errors I get are as follows:
1.SA/2D connection: Oakton Dam: Computed Weir stationing on the headwater side is not increasing. Check the structure data (weir stationing an centerline) and 2d mesh in this area to fix.
2. 2D flow area: ‘flow area’ (this is my upstream flow area) has external bounadary condtions ‘US XS:RS =93’ and ‘Conn:Oaktdon Dam use the same face” **Please note, the XS does NOT TOUCH the 2d Mesh. But I did follow instructions in above link on connecting the river reasch to the 2D mesh.
3. 2D Flow Area: ‘Flow Area-DS’ (this is my downstream flow area) has external boundary conditions ‘DS XS: RS = 2’ and ‘Conn: oakton Dam’ that use the same face.
Please help! Also I have not even set up the culvert yet in the model. I am going to use inline structure but wanted to whittle down errors first.