code_saturne User's Forum

Hello,

Note that in your case, in cs_user_parameters.c, the parameter ieos should be CS_EOS_IDEAL_GAS and not CS_EOS_GAS_MIX (which would be a mixture composed of different ideal gases).

Best regards,
Hector

Hello, If I understood well, you are simulating an isothermal flow with density variation due to the pressure variations you described above? code_saturne (version 8.0) has different variable density algorithms. The "dilatable unsteady algorithm" uses the hypothesis of a density variation ...