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Turbulent Prandtl Number as function of Density

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Old   March 16, 2016, 11:44
Default Turbulent Prandtl Number as function of Density
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Gaspare M
Join Date: May 2014
Location: Palermo - Italy
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Hi everybody!

Thank you for your support.
I have problem to use and expression with Density variable on the Turbulent Prandtl Number during a STEADY and TRANSIENT simulation.

CFX-Solver crashes immediately with this error:

Error in subroutine GETCORE :
There is circularity in recursive calls to GETVAR. A variable depends upon
itself! Oper = What = Static Enthalpy Where = Default Domain When = TIME-0
Action = RETURN. Stopping
GETVAR originally called by subroutine DEF_DIFTRBC

| Writing crash recovery file |

| ERROR #001100279 has occurred in subroutine ErrAction.
| Message:
| Stopped in routine GETCORE
| |

I tried to create a new variable with Density and to set this with the "special function" of " Update Loop = TRANS_LOOP" (during TRANS simulations) but it does not work the same.

I think it's necessary to create a Junction Box Routine (to call every time-step) to save a additional variable of density at the preceding iteration...

Can anyone help me to create a Junction Box routine?
Ansys CFX manual was not useful for me to understand well how to create a FORTRAN routines...

Thank you for your time.
Best regards,
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001100279, cfx + fortran, getcore, getvar, prandtl number

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