Page 78 - TransAT_Tutorial_Manual

TransAT Tutorial Manual 2.2. Flow over a group of Buildings

• Create a Contour object by clicking in the toolbar (alternatively, select Filters − >
Alphabetical − > Contour in the menu bar).

• With the Contour highlighted, click on the Properties tab on the Object Inspector.

• In the drop-down box next to Contour By, choose variable EmbI (EmbI is the Embedded
Interface function).
• Set value of the contour to be 0.

• Click .

To create velocity vectors or streamlines in ParaView, an object is needed to compute the three-
dimensional velocity field along with a plotting device to display the vector. To this end, the
Calculator and the Stream Tracer tools are used.

• Select the results file by clicking it in the Pipeline Browser.
• Create a Calculator object by clicking in the toolbar (alternatively, select Filters − >
Common − > Calculator in the menu bar)

• In the Object Inspector window for the Calculator, enter Velocity as the ResultArray-
Name.
• In the box below, enter U ∗ iHat + V ∗ jHat + W ∗ kHat.

• Click .

• Highlight the Calculator by clicking on it once and then choose the Stream Tracer object
by clicking in the toolbar (alternatively, select Filters − > Common − > Stream Tracer
in the menu bar). Click .
To get a rough idea about visualisation of TransAT results with ParaView, please refer to the
TransAT Paraview Tutorial .

More detailed information can also be found in the Paraview Tutorial on the ParaView website.

c
Ascomp AG Switzerland 68 Version 5.7