steel shrink

gardian · October 21, 2010, 09:41

Hello
I simulate a gas that is included in a steel tube.
the temperature is low like 2 Kelvin.
does anybody knows if CFX simulated the shrinking ( so less Volume) of the metallic tube?
or i have to run a thermal analysis
thank you

michael_owen · October 21, 2010, 10:37

CFX is not a structural code; it will not do this by default. It could be modeled in CFX if the effect of the fluid pressure on the thermal contraction is negligible and if the tube is free to contract (simply supported) in a stress free condition by using mesh deformation and CEL.

October 21, 2010, 09:41	steel shrink	#1
gardian New Member anton.gardi Join Date: Aug 2010 Posts: 21 Rep Power: 15	Hello I simulate a gas that is included in a steel tube. the temperature is low like 2 Kelvin. does anybody knows if CFX simulated the shrinking ( so less Volume) of the metallic tube? or i have to run a thermal analysis thank you

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October 21, 2010, 10:37		#2
michael_owen Senior Member Michael P. Owen Join Date: Mar 2009 Posts: 196 Rep Power: 17	CFX is not a structural code; it will not do this by default. It could be modeled in CFX if the effect of the fluid pressure on the thermal contraction is negligible and if the tube is free to contract (simply supported) in a stress free condition by using mesh deformation and CEL.