AFT Blog

Welcome to the Applied Flow Technology Blog where you will find the latest news and training on how to use AFT Fathom, AFT Arrow, AFT Impulse, AFT xStream and other AFT software products.

Use Bookmarks to Accelerate Model Navigation

AFT software has a variety of features for editing and navigating around models. One of these is the ability to define and then easily jump to bookmarks. So, what are bookmarks? A bookmark is an identified location, a junction or pipe, within a model. To create a bookmark, select a junction or pipe by clicking it once. On the View menu, select Bookmarks\Set Bookmark. To jump to the bookmark, simply press F9 and the Workspace will pan to bring the junction or pipe into view and select it. Any number of bookmarks may be defined. When multiple bookmarks are set, pressing...

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Model Pump Curve Families With Multiple Pump Configurations

You've probably modeled pumps using curve data from the manufacturer. In conjunction with specifying a name reflecting the pump make and model and saving pumps to your component database, selecting and using these pump junctions in your system models is fast and easy. Often, however, a make/model pump will have not one set of head/pressure, efficiency and NPSHR curves, but a family of curves for various operating speeds and impeller diameters. You could define a pump junction for each set of curves, but with Multiple Pump Configurations, you can readily save the entire family of curves in one pump junction. For...

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Resources to Validate AFT Software

Users regularly contact us asking for information to assist them in validating AFT software. The formality of the validation requirement ranges from customer's self imposed internal requirements to rigorous validation as required for work in the nuclear industry. Fortunately, AFT provides extensive reference material for validation and, what's more, you probably already have it since it's automatically installed when you install AFT Arrow, AFT Fathom, AFT Impulse or AFT xStream. Under the main application folder you'll find the Verification folder, containing models developed from published references. The source of the reference problem is displayed in the General section of the Output...

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Morphing Junctions

If you hold down the CTRL key while you drag a junction onto the Workspace and drop onto an existing Workspace junction, the old junction will 'morph' (change) into the new one. Pipes will be connected to the new junction and related data will be copied into the new junction.

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Selecting English or SI Units

To choose only English or SI units for all parameters, select Parameter and Unit Preferences from the Options menu, then select the Unit Preferences tab, choose the Default Unit System and click the Apply Default Units button. This will use will the default units and change the preferred units.

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Highlight the Required Data Fields for Pipes or Junctions

The areas on the Specification Window which are required can be highlighted by either pressing the F2 key or by double-clicking on a blank area somewhere on the Specification Window.

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Quick Inspection of the Connected Pipes or Junctions While in a Specification Window

To check the properties of the objects connected to the one you are specifying, position the mouse pointer on the connected object's ID (listed in the specification window) and hold down the right mouse button.

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