Isn't it just better to make two reaches at the relevant angles accommodating the bend and then to select the momentum principle in order to calculate head losses?
Hello. I am new to HEC-RAS. I have been given a project in which I am to analyse a existing storm water culvert which changes as one goes down the stream. So far everything seems to be pretty self-explanatory with regards to setting up cross-sections and culvert shapes and what not. But I would...