Where to give non dimensional numbers??

SAM S · February 22, 2016, 05:48

Hi I want to give non dimensional inputs like rayleigh number and prandtl number to a natural convection problem. Can anyone tell me where it has to be done in fluent GUI.

Thank you.

CeesH · February 22, 2016, 11:07

These depend on the properties of the fluid; choose your fluid properties under 'materials' such that they lead to the desired non dimensional value.

For example, if you want to play with Prandtl, you can choose to fix density and viscosity, and play with the thermal properties of the fluid.

SAM S · February 22, 2016, 23:50

Thank you for your reply.

February 22, 2016, 05:48	Where to give non dimensional numbers??	#1
SAM S Member Join Date: Oct 2015 Posts: 34 Rep Power: 11	Hi I want to give non dimensional inputs like rayleigh number and prandtl number to a natural convection problem. Can anyone tell me where it has to be done in fluent GUI. Thank you.

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February 22, 2016, 11:07		#2
CeesH Senior Member Cees Haringa Join Date: May 2013 Location: Delft Posts: 607 Rep Power: 0	These depend on the properties of the fluid; choose your fluid properties under 'materials' such that they lead to the desired non dimensional value. For example, if you want to play with Prandtl, you can choose to fix density and viscosity, and play with the thermal properties of the fluid.

February 22, 2016, 23:50		#3
SAM S Member Join Date: Oct 2015 Posts: 34 Rep Power: 11	Thank you for your reply.