Hello,
I’ve read the discussion above in an effort to resolve the issue I’m having with crossing profiles that occur when I increase the stream flow data from the Duplicate Effective values to the Pre-Post model values. Below is dropbox link to the Duplicate Effective and Pre/Post RAS models. If you’d like to run the model please use As-Built_Conditions plan, As_Built geometry, and Post_Conditions steady flow for both the duplicate effect and pre/post models.
https://www.dropbox.com/s/buyeknlus483zjn/Ras%20Models%202.zip?dl=0
The issue I am facing is detailed below:
1.) In the Pre-Post Project model, running the As Built Plan with Post_Conditions stream data causes the 500yr and 100yr profiles to cross upstream of each culvert. I am starting to believe this may be due to the flow change location being so close to the upstream culvert. Additionally, I noticed that reducing the 500yr flow at flow change 3274.78 by a few hundred CFS solves the issue so I’m curious as to what is happening with RAS that is causing the increased flow to cause this issue.
Any help is greatly appreciated.
Thanks,