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  1. PT60056

    HEC-RAS- culvert modeling- huge jump upstream of culvert

    you mean, similar as to Hec-Ras model or similar to downstream of culvert?
  2. PT60056

    HEC-RAS- culvert modeling- huge jump upstream of culvert

    Existing culvert is higher than channel flow line. Culvert size is 10x7 box culvert. Here are the photos that may help see the additional information. I had cross-sections far enough away for expansion and contraction but then it gave me warning that the conveyance ratio is less than 0.7 or...
  3. PT60056

    HEC-RAS- culvert modeling- huge jump upstream of culvert

    Hello Everyone I am running a Hec-Ras model for existing culvert. I am experiencing a huge jump at upstream end of culvert. There are no errors. I know that water surface elevations should be very much same as downstream (as per FIS study flood profiles). I tried adding multiple cross-sections...
  4. PT60056

    Hec-Ras- Cliping a large HEC-RAS model to a small specific area

    Clipping the model was suggested by the agency in charge
  5. PT60056

    Hec-Ras- Cliping a large HEC-RAS model to a small specific area

    Hello Everyone, I have a large unsteady flow area hec-ras model. I need to clip the model for a certain specific area from the large model and use peak flows from the unsteady flow to make steady flow. Here are the areas i need help with. 1. I haven't had opportunity to run unsteady flow...
  6. PT60056

    HEC-RAS- I downloaded stream survey

    HEC-RAS- I downloaded stream survey data using .csv file with north, east and elevation format. The stream flows from north to south but HEC-RAS schematic shows stream flowing from south to north. What is the reason for this and how do I fix it? Also, is there another way to add stream cross...
  7. PT60056

    Cross section lines not showing up on Geometric view when downloading data

    Sorry about that, I am talking about HEC-RAS software. Issue with downloading survey data to HEC-RAS. Thanks,
  8. PT60056

    Cross section lines not showing up on Geometric view when downloading data

    I have downloaded survey data using station-offset CSV file format. I can see stream line but do not see cross section lines and locations. Cross sections are there in data but not showing up on view. How can I view cross section lines? Thanks in advance.
  9. PT60056

    Bridge skew on meandering stream

    I have a bridge over a meandering channel that I am trying to model. The skew is 40 degree. When I enter skew angle the bride using bridge/culvert skew, it increases the width of bridge piers by 10 times reducing bridge opening and raising headwaters over the roadway and overtopping it...

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