A promblem of UDM macro

jeniuswx · May 15, 2013, 23:11

hello! I want to store the variable valus of "incident radiation" using UDM macro, but i found that there is no such macro correspond to the variable of "incident radiation" in the Fluent UDF manual. Is there any idea about how to store the "incident radiation" variable? thanks!

mvee · May 22, 2013, 09:15

Any variable - basic or derived can be stored into UDM. You have to derive the expression for incident radiation. If this is a boundary condition then you need to use UDS for which you may or may not require to solve transport equation.

Best wishes
Mvee

May 15, 2013, 23:11	A promblem of UDM macro	#1
jeniuswx New Member tjut-wx Join Date: May 2009 Posts: 14 Rep Power: 17	hello! I want to store the variable valus of "incident radiation" using UDM macro, but i found that there is no such macro correspond to the variable of "incident radiation" in the Fluent UDF manual. Is there any idea about how to store the "incident radiation" variable? thanks!

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May 22, 2013, 09:15		#2
mvee Senior Member Vaze Join Date: Jun 2009 Posts: 172 Rep Power: 17	Any variable - basic or derived can be stored into UDM. You have to derive the expression for incident radiation. If this is a boundary condition then you need to use UDS for which you may or may not require to solve transport equation. Best wishes Mvee