Page 400 - TransAT_Tutorial_Manual

TransAT Tutorial Manual 10.1. Flow past a backward facing step

Name: wall
Type : Wall ( use default values )

Name: symmetry
Type : Symmetry

Assigning Boundary Conditions:

• Select boundary X Min from the drop-down list at the top of the BCs tab

• By a simple click, highlight XMIN 0 in the surface tree
• Tick (light grey square) inflow in the boundary conditions table

• Click
XMin 0 in the surface tree takes the color of the boundary condition after being assigned.

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

Boundary : XMax
XMax 0: outflow

Boundary : YMin
YMIN 0: wall

Boundary : YMax
YMAX 0: wall

Boundary : ZMin
ZMIN 0: symmetry

Boundary : ZMax
ZMAX 0: symmetry

The mesh is now ready.

• Click Files then select Save to save the settings. Alternatively, press Ctrl+s.

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