The software helps improve your knowledge of how infrastructure behaves as a system, how it reacts to operational strategies, and how it should grow as population and demands increase. From fire flow and water quality simulations, to criticality and energy cost analysis, OpenFlows WaterGEMS has everything you need in a flexible multiplatform environment. OpenFlows WaterGEMS provides numerous software capabilities for: Intelligent planning for system reliability: The capability of the water network to adequately serve its customers must be evaluated whenever system growth is anticipated. With OpenFlows WaterGEMS, effectively identify potential problem areas, accommodate service area growth, and plan capital improvements.

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What is the software used for? They consist of the following items: Options Descriptions Flow Units Units in which nodal demands and link flow rates are expressed. Choosing units in gallons, cubic feet, or acre-feet implies that the units for all other network quantities are Customary US. Selecting liters or cubic meters causes all other units to be SI metric.

Use caution when changing flow units as it might affect all other data supplied to the project. Options Description Headloss Formula Formula used to compute headloss as a function of flow rate in a pipe. The welcome dialog box opens. If not, select from the menu. Select the Project tab to make sure Drawing Mode is set to Scaled.

Click OK. Set up the project. In the Save File As dialog box, double-click the Lesson folder. WTG for your project, and click Save. Using the AutoCAD interface: 1. DWG from the Lesson folder. Then, move the cursor onto the drawing pane and right-click to select Reservoir from the shortcut menu. Click the approximate location of reservoir R-1 see diagram above.

You will be prompted to set up the project. Click Yes to open the Project Setup Wizard. Choose your desired settings.

For this lesson, use the program default values. Click the Next button. Select the Scaled button located under the Drawing Scale option. Click the Next button to continue. The element prototype buttons allow you to set default values for each element type. We will use the default prototype values in this lesson, so click the Finished button. Step 2: Lay out the Network 1. Select Pipe from the layout toolbar. Move the cursor on the drawing pain and right click to select Reservoir from the menu or click from the toolbar.

Click to place R Move the cursor to the location of pump P Right-click and select Pump from the shortcut menu. Click to place it. Right 5. Right click to select Junction from the menu and click to place J Click to place junctions J-2, J-3, and J Click on J-1 to finish. Right-click and choose Done from the menu. Create J Select the Pipe layout tool again. Click junction J Move the cursor to the location of J-5, and click to insert the element. Right-click and select Done.

Step 3: Enter and modify data Dialog Boxes—You can use the Select tool and double-click an element to bring up its Properties editor. FlexTables—You can click FlexTables to bring up dynamic tables that allow you to edit and display the model data in a tabular format.

You can edit the data as you would in a spreadsheet. Alternative Editors—Alternatives are used to enter data for different "What If? In AutoCAD, first click the Select tool on the toolbar, then click the element whose attributes you wish to modify. STEPS: 1. Open the Reservoir Editor for reservoir R-1 2. Enter the Elevation as Set Zone to Connection Zone.

Click the menu to Edit Zones which will open the Zone Manager. Click New. Enter a label for the new pressure zone called Connection Zone.

Click Close. Select the zone you just created from the Zone menu. Close the Reservoir Editor. Enter for the Elevation. Click New to create a new pump definition. Name it PMP Select Standard 3 Point from the Pump Type menu. Right click on Flow to open the Units and Formatting menu. Enter the following information: i. Click to exit the dialog box.

Create Zone- Click to exit. Enter the following data for each of the junctions. Leave all other fields set to their default values. Click to exit. Double-click pipe P-1 to open the Pipe Editor. Set Has User Defined Length? Then, enter a value of 0. Since you are using the reservoir and pump to simulate the connection to the main distribution system, you want headloss through this pipe to be negligible. Therefore, the length is very small and the diameter will be large. Enter mm as the diameter of P1.

Repeat for pipes P-7 through P using the following user-defined lengths and diameters. Click to close. Step 4: Entering Data through Flex Tables It is often more convenient to enter data for similar elements in tabular form, rather than to individually open a dialog box for an element, enter the data into the dialog box, and then select the next element.

Using Flex Tables, you can enter the data as you would enter data into a spreadsheet. To use FlexTables 1. Double-click Pipe Table and click OK. Fields that are white can be edited, but yellow fields can not. For each of the pipes, enter the diameter and the pipe material as follows: 4. In order to enter the material type, click the ellipsis to open the Engineering Libraries box.

Or, enter the material type in the field. Notice that the C values for the pipes will be automatically assigned to preset values based on the material; however, these values could be modified if a different coefficient were required. Leave other data set to their default values. Click to exit the table when you are finished. Step 5: Run a Steady-State Analysis 1. Click to open the Base Calculation Options box.

Double-click or right click to open the Properties manager and make sure that the Time Analysis Type is set to Steady State. Click to close 3. Click Validate then click Ok if no problems are found.

Click Compute to analyze the model. When calculations are completed, User Notifications open A green light indicates no warnings or issues, a yellow light indicates warnings, and a red light indicates issues. Final Network 6. Click to close User Notification. Click to Save project. Color coding is useful in performing quick diagnostics on the network.


WaterGEMS Tutorial: Model Applications and System Planning

Proven water distribution modeling Water Distribution Modeling and Analysis Software Utilities and engineering firms around the world trust OpenFlows WaterCAD as a reliable decision-support capability for their infrastructure. Design new water systems and manage existing water networks effectively to reduce disruption risks and energy use. Supply clean potable water without interruption. Deliver high quality designs cost effectively.


Learning Resource Guide for new users of Bentley WaterGEMS and WaterCAD


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