[oaklet]

Hi, everyone. I was confused that there are some classes which show a very similar class name and definition in the OpenFOAM. When I read the code about the incompressible turbulence model, I found that the class incompressibleTurbulenceModel and IncompressibleTurbulenceModel are very similar. Then, what is the difference and meaning? The related souce code was put bellow. Meanwhile, their parent classes are simliar too, i.e. turbulenceModel and TurbulenceModel. There are also a class named
incompressibleRhoTurbulenceModel whose definition is very close to incompressibleTurbulenceModel. （the souce code file is
$FOAM_SRC/TurbulenceModels/incompressible/incompressibleRhoTurbulenceModel.H)



$FOAM_SRC/TurbulenceModels/incompressible/incompressibleTurbulenceModel.H
class incompressibleTurbulenceModel
:
public turbulenceModel{

...

}



$FOAM_SRC/TurbulenceModels/incompressible/IncompressibleTurbulenceModel/IncompressibleTurbulenceModel.H
template<class TransportModel>
class IncompressibleTurbulenceModel
:
public TurbulenceModel
<
geometricOneField,
geometricOneField,
incompressibleTurbulenceModel,
TransportModel
>
{
...
}




if somebody can help me out, i will appreciate for it! thank you!

[oaklet]

hi, is there anyone? haha

[Tobermory]

Short answer is that the classes that start with a capital letter are the templated abstract base classes, whilst the ones with lower case are just abstract base classes. What does that all mean? It's tied up in the templating and RTS functionality of OpenFOAM which requires a loooong answer.

[oaklet]

thank you, Tobermory. I got it!