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Webinar: Roughing it for water modellers
Using the Manning equation in hydraulic modelling

The empirical Manning equation is one of the most commonly applied approaches in water modelling. Where did it come from, what does it mean for your model, and what other options do you have?

Selecting a proper roughness coefficient is one of the most challenging and consequential steps of hydraulic modelling. Please join us for a discussion about the background of the Manning’s roughness coefficient along with tips, tricks, and pitfalls to look out for in selecting representative values for open channels, pipes, and more.

Fudge factor (noun, informal): a figure included in a calculation to account for some unquantified but significant phenomenon or to ensure a desired result. By definition, the Manning’s roughness coefficient is a fudge factor. So how do we justify using a subjective number that cannot be derived in our advanced modelling systems? And how can the selection process be improved to provide better confidence in modelling results?

Robert Czachorski, OHM Advisors
Chris Goodell, Kleinschmidt Associates
Krey Price, Surface Water Solutions

Feb 26, 2020 10:00 AM in Canberra, Melbourne, Sydney

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