cell volume error
 

In my code I want to calculate the volume of each cell in the mesh to be used.

here below is the code:


forAll(Y, celli)
{
cell_volume[celli]=mesh.V()[celli];
z_y=cell_volume[celli]*Y[indexCO2][celli]/wCO2;
}


But I get following compilation error:

::mesh’ does not have class type

Can someone let me know what I am missing..do I need to add some header files etc. ??

may you want to try:

still the same error

would you please post the whole error line :)

error: ‘U’ was not declared in this scope

mesh’ does not have class type

I should mention that I am writing this code for thermal radiation modelling and only need to calculate volume of each cell in the mesh.

regards,

It would be good if you could give some more information like:
Where do you implement this code? Solver, library, utility ...?
Is this part of a function or just in main?

And please use the 'CODE' tags when you post code or error messages (see http://www.cfd-online.com/Forums/ope...-get-help.html).

I have attached the files to compile (put in /thermophysical models/radiation models/submodels/absorptionEmissionModel). I get following errors:

submodels/absorptionEmissionModel/mygreyMeanAbsorptionEmission/mygreyMeanAbsorptionEmission.C: In member function ‘virtual Foam::tmp<Foam::GeometricField<double, Foam::fvPatchField, Foam::volMesh> > Foam::radiation::mygreyMeanAbsorptionEmission::aCo nt(Foam::label) const’:
submodels/absorptionEmissionModel/mygreyMeanAbsorptionEmission/mygreyMeanAbsorptionEmission.C:235:29: error: ‘((const Foam::radiation::mygreyMeanAbsorptionEmission*)thi s)->Foam::radiation::absorptionEmissionModel::mesh’ does not have class type
submodels/absorptionEmissionModel/mygreyMeanAbsorptionEmission/mygreyMeanAbsorptionEmission.C:237:2: error: ‘((const Foam::radiation::mygreyMeanAbsorptionEmission*)thi s)->Foam::radiation::absorptionEmissionModel::mesh’ does not have class type
submodels/absorptionEmissionModel/mygreyMeanAbsorptionEmission/mygreyMeanAbsorptionEmission.C:239:3: error: ‘pathLength’ was not declared in this scope
make: *** [Make/linux64GccDPOpt/mygreyMeanAbsorptionEmission.o] Error 1

Without looking much further into your code, I see there a quite wild mix of 'mesh', 'mesh()' and 'mesh_' throughout your code.
Here some hints on how to fix it:
The object 'mesh' is only defined in the constructor and can hence only be used there, i.e.
In all other functions, you have to use: Check your base class (absorptionEmissionModel.H), to see what else you have access to.


Oh and btw, please read this: http://www.cfd-online.com/Forums/ope...-get-help.html
Especially, always post proper error messages and use 'CODE' tags!