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Roughness
CivilStorm
Colebrook-White
Darcy Weisbach
Darcy-Weisbach
Darcy-Weisbach friction factor
friction coefficient
friction factor
HAMMER
Hazen Williams C factor
Hazen-Williams
headloss
Headloss Coefficient
material
Modeling
Reviewed2018
Reviewed2019
Roughness Adjustment
roughness coefficient
SewerCAD
SewerGEMS
StormCAD
Swamee-Jain
User Data Extensions
WaterCAD
WaterGEMS
How to use the Modified Hazen-Williams formula for analysis in WaterGEMS / WaterCAD / HAMMER?
Jesse Dringoli
Product(s): WaterGEMS, WaterCAD Version(s): CONNECT Edition, V8i Area: Calculations Problem How to use the Modified Hazen-Williams formula for analysis in WaterGEMS / WaterCAD? Background In some parts of the world the…
over 4 years ago
OpenFlows | Water Infrastructure
OpenFlows | Water Infrastructure Wiki
Roughness not updating in conduit properties after constraint based design
Yashodhan Joshi
Product(s): SewerCAD, SewerGEMS, StormCAD, CivilStorm Version(s): 10.00.00.40 Area: Other Problem After running constraint based design with the GVF-Rational (StormCAD) or GVF-Convex (SewerCAD) solver, the roughness values…
over 1 year ago
OpenFlows | Water Infrastructure
OpenFlows | Water Infrastructure Wiki
What is the difference between Darcy-Weisbach roughness coefficients e and f, and Bed Roughness Ks or K?
Jesse Dringoli
Product(s): WaterGEMS, WaterCAD, HAMMER, SewerGEMS, SewerCAD, CivilStorm Version(s): CONNECT Edition, V8i Area: Modeling Problem Difference between the coefficients e and f , when using the Darcy-Weisbach friction…
over 1 year ago
OpenFlows | Water Infrastructure
OpenFlows | Water Infrastructure Wiki
Increasing headloss for all pipes or a set of pipes
Jesse Dringoli
Product(s): Bentley WaterGEMS, WaterCAD Version(s): 08.11.XX.XX Environment: N\A Area: Modeling Problem Is there a way to apply a headloss as a percentage to all pipes or a set of pipes? For example…
over 6 years ago
OpenFlows | Water Infrastructure
OpenFlows | Water Infrastructure Wiki
How can I global edit the pipe material and have the roughness update?
Yashodhan Joshi
Product(s): WaterGEMS, WaterCAD, SewerGEMS, SewerCAD, StormCAD, CivilStorm, Hammer Version(s): 08.11.XX.XX, 10.XX.XX.XX Area: Layout and Data Input Problem How can I global edit the pipe material and have the roughness update…
over 1 year ago
OpenFlows | Water Infrastructure
OpenFlows | Water Infrastructure Wiki
Re: reduction in C value over period of time
Mal Sharkey
This is a tough one because C value changes vs. pipe age is really system specific. Are there any older Ductile Iron pipes in the public transmission system that are part of a calibrated model, or that you can do a roughness test on? That would…
over 15 years ago
OpenFlows | Water Infrastructure
OpenFlows | Water Infrastructure Forum
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