Hello,
As Yvan mentioned, you can change the time step factor (cdtvar) for the temperature to have similar characteristics times to reach a steady solution in case it exists.
In the following figure, you can see the difference in the temperature field for the same simulation time, while the velocity is the same.
Regards,
Luciano
Tube heat enchange
Forum rules
Please read the forum usage recommendations before posting.
Please read the forum usage recommendations before posting.
Re: Tube heat enchange
Hello, could you share the example with the mesh and everything?
-
- Posts: 284
- Joined: Fri Dec 04, 2015 1:42 pm
Re: Tube heat enchange
Hello,
To have rough wall option, you have to set a turbulence model and also a wall function, for default no wall function is used, soy the rough wall option is in gray.
Luciano
To have rough wall option, you have to set a turbulence model and also a wall function, for default no wall function is used, soy the rough wall option is in gray.
Attached is the case (The mesh correspond to the first post and should be improved). Regards,
Luciano