Page 134 - TransAT_Tutorial_Manual

TransAT Tutorial Manual 4.1. Dam Break

4.1.5 Input Tab

The simulation parameters can be set up by clicking the Input tab at the top of the TransATUI.
The parameters of the simulation can then be defined by selecting and completing the different
tabs.

• Click Input at the top of the TransATUI

4.1.5.1 Physical Models Tab

• In the Basic Equations section of the Physical Models tab, check the following equations
that are to be solved for during the simulation (see Figure 4.3)

Basic Equations
Pressure : ON
U v e l o c i t y : ON
V v e l o c i t y : ON

• 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 = −9.8
z = 0.0
ENABLE Hydrostatic

• Activate Reference Properties and click to the right.

• Set the following parameters in the reference properties window then click to save the
settings
Reference Pressure : 101300
Reference Velocity : 1
Reference Length : 0.9

• In the Multiphase section activate Interface Tracking and set the model (drop-down list)
to Level-Set
• Click , set the value of Surface Tension as follows then click

Surface Tension : 0

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