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What is the difference about culvert hydraulics btw Hecras and HY-8

thread162-478812

What is the difference about culvert hydraulics btw Hecras and HY-8

What is the difference about culvert hydraulics btw Hecras and HY-8

(OP)
I need to make calculations detaily in my work about culvert in both software. I try to show reasons of different result by determining different methods and calculations. Which steps are different in these programs(like friction loss equaiton etc.)

RE: What is the difference about culvert hydraulics btw Hecras and HY-8

Review the documentation of both and then you should be able to make a reasonable determination of the differences.

RE: What is the difference about culvert hydraulics btw Hecras and HY-8

(OP)
Hi,
As can be seen from the photos all input is same but the results are are different. I can't understand the reason of this. ı also upload my input file both HY-8 and Hec-Ras as an attachment. Thanks for interest.







RE: What is the difference about culvert hydraulics btw Hecras and HY-8

(OP)
İs there anyone have idea? Thanks.

RE: What is the difference about culvert hydraulics btw Hecras and HY-8

Is the difference is too much or less than 5 or 10%? Because no two different softwares gives exactly same result. If the difference is high then we may have to do a research.

RE: What is the difference about culvert hydraulics btw Hecras and HY-8

ZAFIRR,

Have you attempted gbam's suggestion?

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