shel conduction in Fluent

nabil-djef · May 15, 2019, 05:02

hello
I used fluent to study natural convection in cavity. In boundary condition, when considered shell conduction, what is the boundary conditions in that case at the outside of the walls?
Best regard

LuckyTran · May 15, 2019, 11:29

Yes the boundary condition is applied on the exterior.

nabil-djef · May 15, 2019, 18:41

thanks for your answer LuckyTran.
But I want to know when shell conuction is enabled, how it treats the condition in the other part (the second side), or we can set this condition. thank you

LuckyTran · May 16, 2019, 11:36

Let's say you have a fixed temperature boundary condition. I represent surfaces with |

Normally when you have a wall BC you have fluid| and you apply the boundary condition to this |.

When you use shell conduction you have

fluid|shells|, this bold | is where the thermal boundary condition is applied. So you would apply the fixed BC to this | and not the |. It should be apparent that the BC is not applied at | because then there would be no point in using shell conduction.

May 15, 2019, 05:02	shel conduction in Fluent	#1
nabil-djef New Member benyahia nabil Join Date: Oct 2016 Posts: 2 Rep Power: 0	hello I used fluent to study natural convection in cavity. In boundary condition, when considered shell conduction, what is the boundary conditions in that case at the outside of the walls? Best regard

May 15, 2019, 11:29		#2
LuckyTran Senior Member Lucky Join Date: Apr 2011 Location: Orlando, FL USA Posts: 5,674 Rep Power: 65	Yes the boundary condition is applied on the exterior. nabil-djef likes this.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Linux Fluent HPC parallel system check failed	saad3000	FLUENT	1	January 8, 2021 03:34
Abaqus - Fluent Coupling WITHOUT MPCCI	s.mishra	FLUENT	1	April 5, 2016 06:47
Conduction and Convection Heat Transfer rate in Fluent Results	Onurozcan	FLUENT	0	January 14, 2016 12:39
Fluent Usability in Conduction problems	Randeep	FLUENT	0	January 12, 2007 03:51
Anistropic thermal conduction in Fluent 6.2	Bharath	FLUENT	0	November 23, 2006 21:07

May 15, 2019, 18:41		#3
nabil-djef New Member benyahia nabil Join Date: Oct 2016 Posts: 2 Rep Power: 0	thanks for your answer LuckyTran. But I want to know when shell conuction is enabled, how it treats the condition in the other part (the second side), or we can set this condition. thank you

May 16, 2019, 11:36		#4
LuckyTran Senior Member Lucky Join Date: Apr 2011 Location: Orlando, FL USA Posts: 5,674 Rep Power: 65	Let's say you have a fixed temperature boundary condition. I represent surfaces with \| Normally when you have a wall BC you have fluid\| and you apply the boundary condition to this \|. When you use shell conduction you have fluid\|shells\|, this bold \| is where the thermal boundary condition is applied. So you would apply the fixed BC to this \| and not the \|. It should be apparent that the BC is not applied at \| because then there would be no point in using shell conduction.