Setting Initial Conditions

Open the Continua > Physics 1 > Initial Conditions node.

Select the Turbulence Specification node.

In the Properties window, change the Method property to K + Epsilon.

Open the Turbulent Dissipation Rate node and then select the Constant node.

Change the Value property to 0.02 J/kg-s.

Similarly, change the turbulent kinetic energy to 0.01 J/kg.