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cell flow width factors (CWF)

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Like to know how to apply cell flow width factors (CWF) in TUFLOW GPU. what command should be used. "Read GIS FC Shape == ". I got the mode with 15 cell size and bridge span is only 5m, try to use the cell flow width factors to simulate the flow thru the bridge. any advice is much appreciated.





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Hi Henry, 

I have recently posted on the application of CFW and FLC in GPU models that may help you out: 

Although you are trying to model a 5 m bridge in a 15 m cell size, with careful application of either CFW or FLC values you should be able to represent energy losses through the structure. As per the provided link, to understand what sort of losses you might expect through your bridge structure, we recommend cross checking your TUFLOW modelled losses with other methods where possible. 

Kind regards, Mitch. 


Edited by Mitch3007

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