Page 17 - TransAT_Tutorial_Manual

TransAT Tutorial Manual 1.1. Turbulent Channel Flow

1.1.7 Input Tab

To set up the simulation parameters

• Select Input at the top of TransATUI

Physical Models Tab
In this tab, the models that will be used during the simulation will be defined.

• Select the following equations in the Basic Equations section
Basic Equations :
Pressure : ON
U v e l o c i t y : ON
V v e l o c i t y : ON
W v e l o c i t y : OFF
Temperature : ON
Concentration : OFF

• In the Models and Properties section activate Turbulence Modelling and set the model
RANS (drop-down list). Keep Turbulent Heat Flux Modelling activated with the de-
fault choice and settings

• Activate Reference Properties and click to the right.

• Set the following parameters in the reference properties window then click to save the
settings
Reference Velocity : 3.0
Reference Length : 0.1

Phase Properties Tab
To set the fluid properties,
• Click Phase Properties on the left-hand side of the TransATUI

• Select Phase 1 in the phase tree

• To use the pre-set properties of air, select Air in the Material Library drop-down list

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