code_saturne User's Forum

I have some problems with the V2F model on code_saturne2.3.1
1. If I set for the initial conditions values different from zero, the calculations diverge after 2 or 3 iterations and y+ values ​​are well below 1 but warnings are displayed at the end of calculations
2. With zero velocity as Initial Conditions, divergence occurs after about 170 itérations. For F and phi, I have chosen the BI-CGSTAB solver (divergence occurs with Jacobi)

Computations are running with code_saturne2.2.1 with this model with no problems.

Other question: Could you let me know which version of the V2F model is installed on code_saturne2.2 and code_saturne2.3. Is that one of the variant developped in these two papers:
(i) Billard and Laurence, Int. J. of Heat and Fluid Flow, 33 (2012), pp. 45-58
(ii) Laurance et al., Flow Turbulence and Combustion, 73 (2004) pp. 169-185

Many thanks

Hello,

In 2.3v there are both v2f versions:
1) iturb = 50 (Laurence)
2) iturb = 51 (Billard) (not available from the GUI)

In 2.2v only iturb = 50 is available.

This not explain the difference between 2.2v and 2.3v; could you post the user subroutines and .xml used in your 2.3v computation ?

By the way, the latest version is 2.3.2v and some major bugs have been corrected since 2.3.1v.

Regards,
JF

Dear Jacques,
Please find enclosed the requested files.
Thanks you very much for you help
Regards