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• Adding Minor Losses to Pipes

  

  Scott Kampa

  Product(s): WaterCAD, WaterGEMS, Hammer Version(s): CONNECT Edition, V8i Area: Modeling Overview WaterCAD, WaterGEMS and HAMMER have the ability to model multiple minor losses in a single pipe. This TechNote explains how…

  • 9 months ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Darcy-Weisbach Headloss Calculations in Steady State and EPS

  

  Jesse Dringoli

  Product(s): WaterGEMS, WaterCAD, HAMMER Version(s): CONNECT Edition, V8i Area: Calculations Problem What is the process that WaterCAD and WaterGEMS use to compute headloss using the Darcy Weisbach friction method, considering…

  • over 1 year ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Defining custom four-quadrant curves (specific speed) for pumps and turbines in HAMMER

  

  Jesse Dringoli

  Product(s): HAMMER Version(s): CONNECT Edition, V8i Area: Layout and Data Input Problem For a pump or turbine, there is a limited set of default "Specific Speed" options available. How can I add my own specific speed for…

  • 7 months ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Difference Between Reservoir "Elevation" and "Elevation (inlet/outlet invert)"

  

  Jesse Dringoli

  Product(s): HAMMER Version(s): V8i, CONNECT Edition Area: Modeling Issue What is the difference between the " Elevation " and " Elevation (inlet/outlet invert) " fields in the properties of a reservoir? Information…

  • over 5 years ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Estimating the Specific Speed of a Pump or Turbine

  

  Scott Kampa

  Applies To Product(s): HAMMER Version(s): 08.11.xx.xx, 10.XX.XX.XX Area: Modeling Original Author: Jesse Dringoli, Bentley Technical Support Group Problem What is the equation for estimating…

  • over 2 years ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• How can I reduce the number of pipes in my model?

  

  Jesse Dringoli

  Product(s): WaterGEMS, WaterCAD Version(s): CONNECT Edition, V8i Problem How can the number of pipes be reduced in a WaterCAD or WaterGEMS model? Solution - Skelebrator To reduce the number of pipes in a model try to combine…

  • over 1 year ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Importing an AutoCAD or MicroStation CAD file using ModelBuilder

  

  Luca Santos Billis

  Product(s): WaterCAD, WaterGEMS, HAMMER, StormCAD, SewerCAD, SewerGEMS, CivilStorm, PondPack Version(s): CONNECT Edition, V8i Area: Layout and Data Input Overview This TechNote provides tips and techniques for effectively importing…

  • 3 months 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

• Modeling a Non-slam Check Valve

  

  Jesse Dringoli

  Product(s): HAMMER Version(s): V8i, CONNECT Edition Area: Modeling Problem How can I model a Non-slam vs. slam type check valve for a transient simulation in HAMMER? Solution "Non-slam" check valves are modeling with…

  • over 3 years ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Modeling a vertical turbine or multi-stage pump

  

  Jesse Dringoli

  Applies To Product(s): HAMMER Version(s): V8i, CONNECT Edition Area: Modeling Original Author: Jesse Dringoli, Bentley Technical Support Group Problem How can a vertical turbine pump, or a…

  • over 4 years ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Modeling Reference - Check Valves in HAMMER

  

  Larry Abla

  Product(s): HAMMER Version(s): V8i, Connect Edition Area: Modeling Overview HAMMER provides several different ways to model a check valve, otherwise known as a “non-return” or “backflow preventer”. This Technote explains…

  • over 2 years ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Modeling Reference - Discharge To Atmosphere

  

  Jesse Dringoli

  Product(s): HAMMER Version(s): CONNECT Edition, V8i Area: Modeling Overview This TechNote explains how the Discharge to Atmosphere (D2A) element works and its typical application in transient simulations in HAMMER. The example…

  • 10 months ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Modeling Reference - Hydropneumatic Tanks

  

  Jesse Dringoli

  Product(s): HAMMER Version(s): CONNECT Edition, V8i Area: Modeling Overview This TechNote explains how the Hydropneumatic Tank element works and its typical application in HAMMER. For information on modeling h ydropneumatic…

  • over 1 year ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Operating rule not being following after computing pump shutdown or start-up

  

  Scott Kampa

  Applies To Product(s): HAMMER Version(s): CONNECT Edition, V8i Area: Modeling Original Author: Scott Kampa, Bentley Technical Support Group Problem After computing a pump shutdown or start…

  • over 3 years ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Source of the default Specific Speed for pumps and turbines

  

  Scott Kampa

  Applies To Product(s): HAMMER Version(s): CONNECT Edition, V8i Area: Modeling Original Author: Jesse Dringoli, Bentley Technical Support Group Problem In the Transient tab of a pump definition, there are several…

  • over 1 year ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Using ModelBuilder to Import External Data

  

  Luca Santos Billis

  Product(s): WaterCAD, WaterGEMS, SewerGEMS, SewerCAD, StormCAD, PondPack, CivilStorm, HAMMER Version(s): CONNECT Edition, V8i Area: Modeling Overview ModelBuilder is a tool available in Bentley OpenFlows products (at no extra…

  • 2 months ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• Using Terrain Extractor (Trex)

  

  Jesse Dringoli

  Applies To Product(s): WaterGEMS, WaterCAD, HAMMER, SewerGEMS, SewerCAD, StormCAD, CivilStorm Version(s): CONNECT Edition Area: Layout and Data Input How to Automatically assign ground elevation data…

  • over 1 year ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• What does node elevation represent in WaterCAD, WaterGEMS and HAMMER?

  

  Larry Abla

  Product(s): WaterGEMS, WaterCAD, HAMMER Version(s): 08.11.XX.XX, 10.XX.XX.XX Area: Modeling Original Author: Jesse Dringoli, Bentley Technical Support Group Problem What does the elevation of a junction…

  • over 4 years ago
  • OpenFlows | Water Infrastructure
  • OpenFlows | Water Infrastructure Wiki

• What equation does HAMMER use to compute the Darcy-Weisbach friction factor (f)?

  

  Jesse Dringoli

  Applies To Product(s): HAMMER Version(s): CONNECT Edition, V8i Area: Modeling Original Author: Jesse Dringoli, Bentley Technical Support Group Problem How does HAMMER compute the Darcy-Weisbach friction factor…

  • 5 months 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