WaterSight - Current Simulation

Product(s): WaterSight
Version(s): 10.00.
Area: Documentation

Investigate past, real-time and expected future performance for each asset using an embedded hydraulic model that is continuously updated with boundary conditions from sensors. The user is no longer limited by the number and location of sensors, being able to readily monitor several parameters at every point in the system.

Layers

Allows to user to select the Background map to be displayed: Aerial, Hybrid, Street, None

Model Element Visibility

The user can control the elements that are shown on the map, such as:

  • Pipes -  enable or disable pipes elements on the map view and which variables to see (diameter, flow, headloss, headloss gradient, velocity). Default is on. 
  • Junctions - enable or disable nodes elements on the map view, which variables to see  (elevation, demand, hydraulic grade line, pressure). Default is on. 
  • Tanks - enable or disable tanks elements on the map view. Default is on. 
  • Reservoirs - enable or disable reservoirs elements on the map view. Default is on. 
  • Pumps - enable or disable pumps elements on the map view. Default is on. 
  • Control Valves - enable or disable PRV and FCV elements on the map view, and which status to see. Default is on. 
  • Isolation Valves - enable or disable isolation valves (TVC, GPV and Isolation valves elements) on the map view, and which status to see. Default is off.
  • Customers - enable or disable customers elements on the map view. Default is off. 
  • Laterals -  enable or disable laterals elements on the map view. Default is off. 
  • Flow Animation - allows the user to easily understand flow direction, through particles simulation. 

Model Symbology

  • Preset Map Configurations - controls the all model symbology and display: 
    • Default - Pipes Flow and Junctions Pressure are selected. Styles configurations can be configured by the user in the Administration, under Numerical Models. 
    • Low Pressures - Only Junctions with low pressures are displayed in the map. Styles configurations can be configured by the user in the Administration, under Numerical Models. 
    • High Pressure - Only Junctions with high pressures are displayed in the map. Styles configurations can be configured by the user in the Administration, under Numerical Models.
    • Transmission Main - Only Pipes flow is displayed. Styles configurations can be configured by the user in the Administration, under Numerical Models.
    • SCADA Elements - All sensors are displayed in the map
    • Custom - Different model views can be configured and become easily accessible to operators. The user can select which variable to see for pipes and junctions. Styles configurations can be configured by the user in the Administration, under Numerical Models. More information here.
  • Elements Outline - if enabled, all network elements are outlined in the map by a white contour line
  • Pipes - allows the user to select which styles configuration to see in the map. Several styles configuration are automatically available by default such as: diameter, headloss gradient, flow, velocity, age and concentration. The user can change the defaults or add more. Styles configurations can be configured by the user in the Administration, under Numerical Models. 
  • Junctions - allows the user to select which styles configuration to see in the map. Several styles configuration are automatically available by default such as: age, concentration, elevation, HGL, pressure, Low pressure. The user can change the defaults or add more. Styles configurations can be configured by the user in the Administration, under Numerical Models. 
  • Control Valves - choose the control valves to display on the map: all, active, inactive or closed. 

Map View

The default map view is an integrated view of the system, where hydraulic model elements are displayed together with the network sensors. When the model is first opened, it displays pipes colored by flow and nodes by pressure while the background is aerial view. The results correspond to the model run based on the most recent boundary conditions (e.g. pump status, tank levels) that have been imported from the SCADA system.

WaterSight can analyze both hydraulics and water quality parameters, such as age and concentration (for example chorine or any other constituent or contaminant). For both simulations (hydraulics and water quality) the conditions need to be first set up in WaterGEMS. For more information please take a look here, at the WaterGEMS Model Setup section.

The user can zoom in or zoom out using the scroll button of the mouse or using the "zoom" button located on the top right corner. It is also possible to navigate to any part of the network by moving the mouse while clicking at the same time in the scroll button (or by clicking in the "pan view" button located on the top right corner). Other options include the zoom extents view ("Fit view") and the button to select any element on the map in order to see the respective properties and results. 

When clicking in any element on the map a table with the main properties and results of the selected element will pop up, together with a graph below. 

For any hydraulic element selected (any pipe, node, pump, tank, reservoir, PRV or TCV) the graph view will display the historical results, real time results and forecasts for the variables available, based on the hydraulic model calculations. The historical and forecast period duration is defined at the administration level, in the Numerical Models configuration page. The hydraulic model (WaterGEMS model) can be uploaded in the administration tab (Numerical Models configuration page) and will automatically run at a given (user defined) frequency.

Direct measurements from SCADA or other telemetry systems can be used to set the initial conditions for the model run (initial conditions will be always imposed to the instant corresponding to the start of the simulation). More information here.

Besides this, SCADA data can also be used to calculate each zone pattern, that can also be used to automatically adjust or calibrate the model demands, in case the Demand Adjustment option is enabled. 

The model elements that also have real measurements are represented in the map with a wi-fi symbol. When clicking in one of these elements, two lines will be displayed in the graph: green line corresponding to the sensor measurement and the blue line corresponding to the model result. Directly comparing these two lines at some points of interest allow the user to understand how calibrated and accurate the model can be. 

Below the graph and the map there is a time slide range bar that allows the user to navigate in the time history. Map results are updated accordingly whenever the user moves the time slide range bar backwards and forward in time. The "Map" marker on the graph allows the user to easily identify the time step that is being analyzed. The "Now" marker on the graph represents the local current time of the machine where WaterSight is running, and should match the current time at the water utility. 

Checking model boundary conditions

The user can easily check if sensors data is being used as initial conditions for the model runs or not. Click in the hydraulic model element that has a wi-fi symbol and analyze the graph. The green line corresponds to the sensor value from the SCADA (or other telemetry system) while the blue line corresponds to the calculated result from the model. If the green and the blue line match the exact same value for the initial time step of the model run (when the blue line starts), then it means that sensor data is being used to set the initial conditions for the model run. In case there is a gap between the value for the initial timestep of the model run and the sensor data, then the sensor data is not being used to actively set the initial conditions of the model. For more details about these configurations, please go to the Numerical Models configuration page.

Figure 3. Sensors data being successfully used as initial conditions for the model run. 

For more information about WaterSight, please go to OpenFlows WaterSight TechNotes and FAQ's.

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