OpenFlows | Water Infrastructure
OpenFlows | Water Infrastructure Wiki
Units for V-notch vs rectangular vs irregular weir
OpenFlows | Water infrastructure Wiki
Help and Documentation
Licensing / Activation
Layout and Data Input
Advanced Calculation Options Missing for Implicit Solver in version 10.03.00.76
ArcMap or ArcGIS Pro project file is losing its association with a hydraulic model after moving all project files
Assign elements and annotations to specific levels when a project is attached to a DGN in MicroStation
Assigning Catchment Outflow Node and Tc Automatically (in bulk)
Assigning demand patterns after a Loadbuilder run
Batch morph junctions to hydrants using hydrant shapefile
CAD Functionality in Standalone as an Alternative to AutoCAD or MicroStation Integration
Can I move the labels on a profile for WaterGEMS if they overlap?
Cannot see the applied DTM in Map of Bentley OpenFlows FLOOD.
Catchment polygon visualization after importing from non-spatial data source
Characters in a shapefile do not appear correctly in the ModelBuilder preview
Controlling Active Topology display for elements in the ArcGIS Pro or ArcMap Platform
Converting Cybernet model files to a newer format
Copy and paste (import or export) tabular or Flextable data
DGN Background is using the wrong scale
Dropdown selection box cut off or button not visible
DXF Error: A procedure imported by Haestad.RealDWG.Interop.dll could not be loaded.
Element label editing and automatic numbering
Element selection in the AutoCAD environment (OSNAP)
ERROR 119: invalid cross section for Link <link_name> while using the SWMM engine
ERROR 171: has invalid or out of sequence data while using the SWMM engine
Error importing LandXML DTM file: "Less Than Three Points In DTM"
Error selecting shapefile in ModelBuilder "Invalid Esri ShapeType" and "Data source is empty or contains cross referenced data"
Exporting profiles to PDF, Excel and Image formats
External database driver error with Excel file in ModelBuilder or SCADAConnect
Format of input data of database connection in SCADAConnect
How are node labels handled when ModelBuilder automatically creates them at pipe endpoints?
How can I add nodes to the Demand Control Center so that the demands can be inputted?
How can I export my GIS-ID's to a shapefile?
How can I input field hydrant pressure data measurements and compare those to the models values for multiple hydrants?
How do I annotate model elements?
How do I append a prefix to element labels based on a selection set of elements?
How do I enter time series field data and add it to my graph?
How do I lay out an element a certain distance or angle from another element in the Hydraulics and Hydrology products for Microstation ?
How do I set up a catchment to use DelMarva Dimensionless Unit Hydrograph?
How do you add color coding to an element?
How do you change the direction of the downstream pipe for valves and pumps?
How do you enter the SWMM RTK information into a SewerGEMS or CivilStorm model?
How does the Unit Line LoadBuilder method work?
How to add a file attachment or hyperlink to an element
How to add background aerial and road map images to your model
How to apply conduit start/stop elevations (eg. ground & invert) to adjacent nodes.
How to attach a separate model as a background
How to control the labeling method used when splitting pipes
How to enable International Text Support such as Hebrew text (right to left)
How to filter a FlexTable by Query, Selection Set, or by selecting from drawing pane for reporting, global edits, etc.
How to incorporate NOAA Atlas 14 rainfall distributions?
How to view demand or load allocation after a Loadbuilder run?
Importing model network information from a Google Earth KMZ file
Importing Named Views from Polygons or a Sequence of Points
Importing or Exporting to SewerGEMS, CivilStorm from InfoSWMM, Mike Urban, LandXML, or other competitor product.
Inferring ground elevation from surrounding elements
Inserting an image background layer in the correct location
Inserting or laying out pipe bends
Interpolation Method Used by Terrain Extractor (Trex)
LoadBuilder Error: "# Id(s) do not match any id of the model..."
MicroStation CONNECT Edition crashes when laying out new elements
Model created in older version using an engineering library contains incorrect values in a newer version of the software
ModelBuilder Error "### Pipe(s) could not be created due to missing topology."
ModelBuilder error: "The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine."
ModelBuilder not importing all elements or "The source geometry for element ... has multiple parts..."
ModelBuilder Summary Warning "Directed Node xx direction is ambiguous"
ModelBuilder/SCADAConnect error: Microsoft Access Database Engine 2010 64-bit is required to access this data source
Modeling Curved Pipes
Modeling hydropneumatic tanks in an EPS in WaterGEMS and WaterCAD
Modeling multiple pipes downstream of a pump
Properties and flextables will not open in WaterGEMS or SewerGEMS when integrated with ArcGIS
Results not matching assigned pattern
Scaling text that is very small or large when zoomed in or out
Sharing Engineering Library data with multiple users
Splitting a pipe into multiple pipes with the same length
Structure Loss methods supported by each solver
Trex error "No valid elevation data"
TRex Error: "Attempted to read or write protected memory" / "Object reference not set to instance of an object"
Trex error: "The data source file must contain at least three unclipped points in order to create an elevation map"
Unable to edit user data extension in flextable from older version
Unexpected pipe connectivity after ModelBuilder import
Units for V-notch vs rectangular vs irregular weir
Using Bing Maps as a Background
Using Customer Meter Demands with Darwin Calibrator
Using ModelBuilder to add catalog conduits
Using patterns to control pumps or reservoir HGL over time
Using Terrain Extractor (Trex)
What is the workflow for using ProjectWise with MicroStation for the hydraulics and hydrology products?
What's New in OpenFlows FLOOD (10.02.01.01)
When loading a DXF background file into a model, the program freezes or generates an error message
Working with Profiles in WaterCAD and WaterGEMS
Output and Reporting
OpenFlows Product TechNotes And FAQs
Check boxes do not appear in tables such as Control Sets dialog
Consuming ContextCapture production files within your hydraulic model
Convergence NOT achieved Message when computing StormCAD or SewerCAD model
Converting Junctions or Hydrants to Isolation Valves
Displaying Shapefile Labels (Text) As a Background
Enhancing OpenFlows multi-user workflows with ProjectWise Share
Error 32768 when opening model while integrated with ProjectWise
Errors installing patch set
Error when opening PondPack: "Object reference not set to an instance of an object" or "Application has generated an exception that could not be handled."
Error when saving or validating: System.AccessViolationException: Attempted to read or write protected memory.
File Open Dialog does not appear
Flextable Report of Multiple Element Types
Get to know OpenFlows CONNECT Edition
Get to know WaterGEMS, WaterCAD and HAMMER CONNECT Edition
How do I import/export multiple point pump curve pump definitions into a model using ModelBuilder?
How do you save backup files, so they save at different times and multiple levels?
How does the intermediate geodatabase (.MDB or .GDB) file function with ArcMap and ArcGIS Pro integration?
How to Delete Engineering Libraries if you get a message about a Read-only database
How to receive alerts on new version availability?
How to register DAO360.dll or a dll file?
How to search using wild cards on a sqlite type of database
How to See Hebrew or Arabic text in a .DXF file that was exported from WaterGEMS/WaterCAD
Hydraulic grade discontinuity at steep pipes or across nodes (frontwater analysis)
I get a red user notification that says, "Inlet guttter mannings n should be greater than 0".
Importing .HLB library files from old product versions into format used in the V8 product versions
Importing External Data in Geographic Coordinate Systems
Importing storm data and other library information from older versions
Changing element symbols in the AutoCAD platform
Locating OpenFlows product error log file
Locating OpenFlows Product Version Number and License Information
Model backward / forward compatibility
Modeling a closed loop system
Modeling a flow split (diversion) with the SewerCAD or StormCAD numerical solver
Modeling turbine load acceptance plus load rejection
Multiple CN numbers for a catchment and multiple catchments with a single outlet node
Network Navigator Trace Upstream/Downstream does not return any elements
OpenFlows software numerical solver theory
Percent Connected Impervious Areas and Percent Unconnected Impervious Areas
Performing a hydrosanitary design in WaterGEMS or WaterCAD
PondPack user notification: "The composite outlet structure is either not selected or deleted."
PondPack: How to perform a critical duration analysis?
Pressure pipe vs. conduit between pump and wetwell
Print Preview > Fit to Page shows blank page
Properties not working when using MicroStation integration with ProjectWise
Properties, Flextables, user notifications, or other dialog is missing or will not open in standalone
Properties, user notifications, or other tool managers not showing up in Integrated version of AutoCAD
Reusing Pump Definitions (Import / Export)
Reversing orientation of Pipes and Conduits in Bulk
Saving a hydraulic model when using the AutoCAD platform (i.e. integrated)
Important License Update for OpenFlows Users
Setting the invert elevation for multiple conduits coming into one manhole
Simple Controls vs. Logical Controls
Sorting and relabeling a flextable based on upstream-downstream order
Source of the default Specific Speed for pumps and turbines
Step by step procedure for finding the curb length needed to capture 100% of gutter flow in a curb inlet with a continuously depressed gutter with no clogging
System.Reflection.TargetInvocationException crash when trying to open the application
Test Wiki Page - A1
Text, cells/blocks and line styles do not display correctly in a DXF background layer
The flow annotation (label) in my WaterGEMS for ArcMap isn't reflecting the value displayed in my Geotable or Flextable
The total area in the CN/Area Collection does not equal the total catchment area
Time tolerance setting in SCADAConnect Simulator
Troubleshooting ArcMap / ArcGIS Integration
Understanding Flow (Additional Subsurface) and Flow (Additional Carryover)
Upcoming training and release dates for OpenFlows products
User notification "Downstream TW out of range..."
User notification "Pump exceeds the maximum operating point specified for the pump curve"
User Notification - The captured surface flow at this node does not connect a valid subsurface network. The flow is lost from the system.
User Notification: "There is an error in the data for this pipe. The associated data is incorrect"
User Notification: Cross section maximum elevation is above the maximum headwater elevation
User Notifications: "Pump On elevation is not in the range of upstream ...." and "Off elevation of pump is lower than ..."
Using batch pipe split to fix nodes that overlay a pipe instead of connecting to it
Using PondMaker with different tailwater for each return event
Valve "Status (Initial)" Definitions
Velocity Calculations and the Average Velocity Methods in SewerCAD and StormCAD
Viewing graph data for multiple scenarios
Water age results in a pipe are different from the age in the downstream junction
Water Loss Management
Water quality Analysis during transient events
What are the limitations of importing/exporting EPANET files?
What is the dotted line that is associated with the isolation valves? Can I turn them off?
What's new in WaterCAD, WaterGEMS and HAMMER V8i SELECTseries 6 with CONNECT Integration?
What's New in WaterOPS CONNECT Edition 2.3 (Build 10.02.03.06)
When the user changes the fluid, why doesn't the calculated pump head change?
Working From Home With Your OpenFlows Software
"An error occurred when trying to calibrate the model"
"COM Error Not Documented" when opening OpenFlows product
"Default license feature configuration not found. Product features may be limited. Please run the License Administrator."
"The Depth-Flow, Depth-Flow (Simulated Variable Speed) and Volume-Flow pump definition types are unsupported"
"Unable to assign attribute ... for element because enumeration value ... is not valid."
Add custom data to profile with User Data Extensions
After computing a model with the SWMM solver, what does the following warning mean: "Maximum depth increased for node CB-XX"?
After computing the model, the pump efficiency results are listed as N/A
After running loadbuilder I get a message that says "The layer <Layer_Name> could not be opened."
At what point does OpenFlows product license usage start when integrated with MicroStation?
Background image quality poor on some computers or Crash when opening models with background layers
Blocky stepwise pattern is displayed instead of a continous smooth pattern that was entered when using the SWMM engine
Can User Data Extensions be shared between elements in a model?
Catch basins imported as manholes from LandXML
Change in results before turbine load rejection occurs
Custom quadrant curve not being recognized
Date-time based query not working
Default license configuration not retaining setting
Do inactive elements count against the license count?
Does HAMMER support initially negative pressures?
Does the friction method affect local minor loss in pipes?
Does WaterGEMS and WaterCAD report pressures as gauge pressure or absolute pressure?
Efficiency Curve vs. Wire-to-Water Efficiency Curve
Error message when validating model: "Elevation (Relative) values within the Irregular shape definition must be non-negative."
Error message: "Unrecognized database format ..." when trying to open model
Error Saving: "Custom results path is invalid"
Find if pump operates off of the pump curve during an automated fire flow scenario
Flow arrows are not included in an exported DGN file when using the Save Symbology option in the MicroStation platform
Flow from pump is delayed after pump startup
GeoPak - StormCAD errors - GEOPAK runtime environment not found / Error writing GEOPAK/PowerCivil node
HEC-22 2nd edition energy loss calculations with the Implicit solver
How are "pipe sets" and "nodes of interest" used in a flushing analysis to get auxiliary results at other elements?
How can I see the amount of inflow or outflow occuring for a particular surge tank during the transient simulation in HAMMER?
How do I filter a column in my flextable using a custom query that retrieves all records with a <None> attribute?
How do I know if and when my pond is overtopping and how to quantify it?
How do I save my model files when working in the ArcMap or ArcGIS Pro platform?
How do the channel slopes and velocity effect the headloss formulas in SewerCAD and StormCAD?
How does StormCAD handle gutter flow from an active catch basin to an inactive catch basin?
How does the diameter of an isolation valve effect the calculated results?
How to add comments on custom pump and turbine quadrant curves
How to find volume of water coming from a trace element?
Hydropneumatic tank atmospheric pressure not changing results
Hydropneumatic tank profile animation and time history shows zero gas volume
Initial surge when using turbine load acceptance operating case
Initial turbine HGL the same as the final HGL after load acceptance
Irregular Weir Flow Calculations in a Composite Outlet Structure
Is it possible to create old PondPack style text reports?
Is it possible to have a storm event start at a different time than the model simulation?
Is it possible to use point cloud information to populate elevations in Terrain Extractor (TRex)?
Is there a recommended level of Skelebration for different modeling conditions?
Junctions are created on top of one another after using ModelBuilder with the GIS-ID property
License usage in the ArcMap and ArcGIS Pro platform
LoadBuilder applying demands or loads to inactive elements
LoadBuilder importing zero flow loads
Long time to load background layers
Manage Pump Speed Series
Manage Pump Time Series
Managing large number of scenarios
Missing Young's Modulus and Poisson's Ratio values in the material library
Modeling Arch section shapes in SewerGEMS
Modeling closed or pressurized pipes in PondPack
Modeling treatment for pollutants at nodes or ponds in SewerGEMS and CivilStorm
MrSid files are not available as a background layer type or an error is generated when loading MrSid files
New User Learning Resource Guide for WaterSight
Pipe Renewal Planner Vs OpenFlows WaterCAP
Pipes connecting to the wrong element after submodel import
Pipes not merging when using Skelebrator with series pipe merging
PondPack error: Unable to open user roster
Problems opening GEOPAK Drainage file exported from StormCAD
Query, alert or formula UDX not working correctly with "=" (equals)
SCADAConnect in SewerGEMS
SCADAConnect Simulator in WaterCAD and WaterGEMS V8i SELECTseries 5
Series Pipe Merging in Skelebrator not working for pipes with zero diameter
Small difference in gutter worksheet result between US and SI units
The concentration at the stop node directly after a constituent source in a tank is decreasing rapidly
The control symbol, check valve symbol, and dashed lines connecting customer meters, isolation valves, and SCADA elements are not visible in the ArcMap or ArcGIS Pro platforms
The headloss in a pipe downstream of a parallel VSP is higher than expected
The result field "Depth (Flooding)" is listed as N/A after computing a model with the SWMM engine. Is there a way to see the depth of flooding for a node?
Translated version still showing as English
Troubleshooting making a SCADA connection to Oracle database
Troubleshooting ModelBuilder issues and errors connecting to an Oracle database
User Data Extension not appearing in the Post-Calculation Processor's "Output Property" field
User Data Extensions in the Fireflow report
User Notification "More than one VSPB cannot control the same control node"
User notification when computing: IDF data is not supported by SWMM. Storm event is excluded from export.
User notification: "Conduit has a Stop control structure, but this is not supported next to the connected outfall element."
User notification: "Transition from CONCENTRATED to EXTENDED"
Using US Survey feet
Warning about outlet hydrograph not cresting
WaterGEMS and WaterCAD Data Import FAQ
WaterSight - Pump Overview
What can I do to speed it up a file I need to extract elevations from is taking a long time to process in TRex?
What does Entrance Control mean?
What is the best way to model an orifice plate inside a catchbasin with surface storage above the catchbasin rim?
What is the difference between a stand pipe and an inlet box?
What is the purpose the Rainfall File, Runoff File, and RDII File in the Calculations Options?
What is the workflow for setting up pre and postdeveloped conditions for multiple return events?
What kind of demands should be used as the initial conditions of a transient simulation?
What's new in HAMMER V8i SELECTseries 6?
When running a query, why is it not picking up the elements that it should?
Why are there 2 entries for the same alternative in the dropdown menu in the properties of a scenario? One with an "i" and one without it.
Why are there so many extra element types listed for WaterGEMS and WaterCAD, such as surge tank, rupture disk, Periodic head-flow?
Why does the precipitation(cumulative) field for catchments show N/A at the 24 hour time step after computing ?
Will SCADA Results Publishing work with only OPC sources?
Units for V-notch vs rectangular vs irregular weir
Thu, Mar 21 2019 3:11 AM
Mon, Sep 3 2018 2:32 AM
Mon, Sep 3 2018 2:28 AM
Thu, Dec 22 2016 9:25 AM
Fri, Jan 8 2016 4:19 PM
Tue, Aug 18 2015 4:37 PM
Tue, Aug 18 2015 2:43 PM
View current version
Secure File Upload
Support and Services
Subscription Services Portal
Training and Learning
About Bentley Institute
My Learning History
© 2021 Bentley Systems, Incorporated