Modeling > Modeling Turbulence > Using Reynolds Stress Transport Turbulence > Boundary and Region Types Reference > Mass Flow Inlet
Mass Flow Inlet
The following boundary conditions are required when the Reynolds Stress turbulence model is active:
The following boundary values are also required:
- Turbulence intensity.
This is only available if the Method property of the Conditions 
Turbulence Specification is set to . - Turbulent kinetic energy.
This is only available if the Method property of the Conditions Turbulence Specification is set to . - Turbulent length scale.
This is only available if the Method property of the Conditions Turbulence Specification is set to . - Turbulent viscosity ratio.
This is only available if the Method property of the Conditions Turbulence Specification is set to . - UU Reynolds stress
This is only available if the Method property of the Conditions Turbulence Specification is set to . - UV Reynolds stress
This is only available if the Method property of the Conditions Turbulence Specification is set to . - UW Reynolds stress
This is only available if the Method property of the Conditions Turbulence Specification is set to , and space model is set. - VV Reynolds stress
This is only available if the Method property of the Conditions Turbulence Specification is set to . - VW Reynolds stress
This is only available if the Method property of the Conditions Turbulence Specification is set to . - WW Reynolds stress
This is only available if the Method property of the Conditions Turbulence Specification is set to , and space model is set.
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