Page 351 - TransAT_Tutorial_Manual

TransAT Tutorial Manual 8.1. Flow around a train entering a tunnel

• Activate the following variables in the Output Variables window then click to save the
settings and close the window
Primary Variables :
Pressure : ON
U−Velocity : ON
V−Velocity : ON
Geometry :
Wall Distance : ON
Solid Step Function : ON

8.1.8 Execute Tab

This tab is where the simulation is started and controlled.

• Click Execute at the top of the TransATUI

8.1.8.1 Starting the simulation

Running TransAT
As 2 blocks have been defined during the grid generation, up to 2 processors can be used to
run the simulation.

• Set Number of Processors to 2

• Start the simulation by clicking

8.1.9 Visualisation of the results

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 on File − > Open.

• Navigate to your project folder.

• Navigate to the “RESULT” folder and choose the files xy-<projectname>.pvd for 2D visual-
ization in the x-y plane.

• Click OK .

• Choose the variable you want to visualize (e.g. P) from the drop-down list. (See Figure
6.5).

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Ascomp AG Switzerland 341 Version 5.7