I use butterfly (ver 0.0.05 (JAN_12_2019)) on Rhinoceros6 Grasshopper. And I found that constructor's parameter order in recipe component may be wrong.
SteadyIncompressible and HeatTransfer is created in recipe component (UserObject) as following.
In "Butterfly_Steady Incompressible Recipe" component :
I use butterfly (ver 0.0.05 (JAN_12_2019)) on Rhinoceros6 Grasshopper. And I found that constructor's parameter order in recipe component may be wrong.
SteadyIncompressible and HeatTransfer is created in recipe component (UserObject) as following.
In "Butterfly_Steady Incompressible Recipe" component :
In "Butterfly_Heat Transfer Recipe" component :
But each class constructor are defined in "butterfly\recipe.py" as following.
So I believe that fvschemes and fvsolution must be reversed in recipe component .