Page 358 - TransAT_Tutorial_Manual

TransAT Tutorial Manual 9.1. Water suction

• Follow the steps above to assign the remaining surfaces to their corresponding boundary
conditions.

Boundary : XMin
XMIN 0: wall

Boundary : XMax
XMax 0: wall

Boundary : YMin
YMIN 0: wall

Boundary : YMax
YMAX 0: outflow

Boundary : ZMin
ZMIN 0: symmetry

Boundary : ZMax
ZMAX 0: symmetry

Defining sub-boundary conditions (SubBC)
Two sub-boundary conditions operating as pumps will now be created on the Y min and X max
surfaces. Pump boundary conditions may be defined by setting Inflow boundary conditions with
a velocity vector pointing outward. Please refer to the Inflow Boundary section in the TransAT
User Manual for more information.

The pump boundary condition on the Y min surface will first be created.

• Select Ymin in the drop-down list and highlight YMIN0 in the surface tree

• Click to create a subBC. The button is visible next to the other buttons once YMIN 0
is selected.

• Set X min to 0.2 and to X max to 0.3.

• Click

• Set the newly created boundary YMIN 0 1 to be an inflow. To do so

– Click
– Rename newbc0 to pump ymin
– Fill in the inflow properties - Tab: Basic

∗ Inflow Data Source: From BC

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Ascomp AG Switzerland 348 Version 5.7