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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Turbulence Intensity Expression (Inlet/Outlet) › Reply To: Turbulence Intensity Expression (Inlet/Outlet)

July 17, 2023 at 3:00 pm
n.goudarzi
Subscriber

Rob,

The profile follows a power law polynomial (similar to the velocity profile with a different power). To validate the CFD against experimental results, we need to insert TI values as expressions rather than single values as there is a significant change with "y" coordinates, changing from 40% to less than 5%. Is there any other way that we can apply it? 

e.g., should we change the inlet condition from "turbulent intensity and turbulent viscosity ratio" to "turbulent kinetic energy and dissipation rate" and then define expressions for them?Â