[gschaider]

Originally Posted by Adlak

Hi,

Phi is local equivalence ratio. Yes, cross sections are aligned with cell faces. I dont have any other things.

OK. A function object like

mixingEff1 {
  type swakExpression;
  verbose true;
  valueType faceZone;
  zoneName control1;
  expression "alpha*YH2*phi*flip()/inflowH2";
  accumulations (
    sum
  );
  variables (
     "inflowH2{inlet}=sum(phi*YH2);"
     "alpha=equivRatio<1 ? 1 : 1/equivRatio;"
  );
}

That is only a sketch. Some parameters are missing (about interpolating volume-fields to the faces) and with the phi I use I assume that this is a compressible solver. Also that the faceZone has a properly set flip-map (that is to compensate for faces that might be orientated "wrong")

[Adlak]

Originally Posted by gschaider

OK. A function object like

mixingEff1 {
  type swakExpression;
  verbose true;
  valueType faceZone;
  zoneName control1;
  expression "alpha*YH2*phi*flip()/inflowH2";
  accumulations (
    sum
  );
  variables (
     "inflowH2{inlet}=sum(phi*YH2);"
     "alpha=equivRatio<1 ? 1 : 1/equivRatio;"
  );
}

That is only a sketch. Some parameters are missing (about interpolating volume-fields to the faces) and with the phi I use I assume that this is a compressible solver. Also that the faceZone has a properly set flip-map (that is to compensate for faces that might be orientated "wrong")

Thanks gschaider,
Should I put this expression in controldict file and will it work in openfoam-3.0.x ??? I will study this and try to implement it.

Thanks again for ur quick reply.

[gschaider]

Originally Posted by Adlak

Thanks gschaider,
Should I put this expression in controldict file and will it work in openfoam-3.0.x ??? I will study this and try to implement it.

Thanks again for ur quick reply.

The solution would require swak4foam (you'll have to install that). The last release of that should work with OF 3.0. Yes. It goes into the functions-dictionary in the controlDict

[Adlak]

Originally Posted by gschaider

OK. A function object like

mixingEff1 {
  type swakExpression;
  verbose true;
  valueType faceZone;
  zoneName control1;
  expression "alpha*YH2*phi*flip()/inflowH2";
  accumulations (
    sum
  );
  variables (
     "inflowH2{inlet}=sum(phi*YH2);"
     "alpha=equivRatio<1 ? 1 : 1/equivRatio;"
  );
}

That is only a sketch. Some parameters are missing (about interpolating volume-fields to the faces) and with the phi I use I assume that this is a compressible solver. Also that the faceZone has a properly set flip-map (that is to compensate for faces that might be orientated "wrong")

Hi gschaider,
I understood all but except following 3 things:
verbose true;
valueType faceZone;
zoneName control1;

Not sure but facezone might be related to cross section over I want to calc. efficiency.
I dont have any facezones or facesets.
If I will create facezones using toposet it will create patches for that but it may affect the flow field inside the domain. i dont know about the sampledsurfaces, will it be useful for my case ?

[PRATBHARAT]

Hello Anne Gerdes,
How can I use this utility for Multi region case, running in parallel ?

[Ron71]

Hi there,
I improved a bit the provided code that was originally OF-2. It works pretty neat now for OF-10. Please, enjoy.



Use:
calcMassFlow -latestTime


(no other optional arguments accepted)



If someone can 'repair' the time loop that I plugged in, thank you in advance...