Welcome to the RAS Solution Forums HEC-RAS Help Ineffective flow area

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    Posts
  • #5788
    cuba28
    Participant

    Hello,

    I would like to know please, how do we define the position of ineffective flow areas around a bridge ? Could anyone help me please ?

    Regards

    #9300
    cameron
    Participant

    There is good information on this in the user’s manual. In general, most people use 1:1 contraction upstream and 2:1 or 3:1 expansion downstream from the bridge opening, but it can change depending on the structure.

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