Page 416 - TransAT_Tutorial_Manual

TransAT Tutorial Manual 10.2. Natural Convection in a Square Cavity at Ra = 10 6

10.2.6 Input Tab

• To set up the simulation parameters, click Input at the top of the TransATUI.

The different tabs to define the parameters of the simulation can then be selected.

Physical Models

• Select the Physical models tab

• Select the following equations in the Basic Equations section

Basic Equations :
Pressure : ON
U Velocity : ON
V Velocity : ON
W Velocity : OFF
Temperature : ON
Concentration : OFF

• Activate Gravity and click to the right.

• Set the following parameters in the Gravity window them click to save the settings

x : 0.0
y : −8.707
z : 0.0

• Activate Reference Properties and click to the right.

• Set the following parameters in the reference properties window then click to save the
settings
Reference Temperature : 300.0
Reference Length : 0.1

Note that the reference properties are only for computing the non-dimensional numbers and does
not affect the simulations.

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