Page 91 - TransAT_Tutorial_Manual

TransAT Tutorial Manual 2.3. Flow in an obstructed pipe

2.3.9 Execute Tab

This tab is where the simulation is started and controlled.

• Click Execute at the top of the TransATUI

2.3.9.1 Starting the simulation
• Change the Number of Processors to 3.

• Click to start the simulation

2.3.10 Viewing Results in Paraview

The results of the simulation can be seen with the help of the Open-Source Visualisation Tool,
ParaView.

• To launch ParaView, click Start and select All Programs > ParaView-4.0.1 > ParaView.

• Click File − > Open.

• Navigate to your project folder.
• Go to the RESULT folder and choose obstructed pipe flow...vtm. Click OK

• Click in the Properties Panel, on the bottom left.
• Create a Slice object by clicking in the toolbar (alternatively select Filters − > Com-
mon − > Slice in the menu bar) to see variables in a plane. Click on Z Normal and
Center on Bounds to see the flow in the middle of the channel. Click .

Plotting Velocity Vectors
To create velocity vectors in ParaView, an object is needed to calculate the 2D velocity and
a plotting device to display the vector. To this end, the Calculator and the Glyph tools are
used.

• Make sure the Slice filter is selected.
• Create a Calculator object by clicking in the menu bar (alternatively, you can select
Filters − > Common − > Calculator)

• In the Object Inspector window for the Calculator, enter Velocity as the Result Array
Name.

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