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ENH: Modification of pyrolysisChemistryModel due to change of interface of the ode solvers

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This commit is contained in:
Sergio Ferraris
2013-10-03 10:41:39 +01:00
parent 9d45269abc
commit 38687946cf
4 changed files with 36 additions and 94 deletions
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84
src/thermophysicalModels/solidChemistryModel/pyrolysisChemistryModel/pyrolysisChemistryModel.C
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@ -256,8 +256,6 @@ Foam::pyrolysisChemistryModel<CompType, SolidThermo, GasThermo>::omega
scalar kf = R.kf(p, T, c1);
//const scalar exponent = R.nReact();
const label Nl = R.lhs().size();
for (label s=0; s<Nl; s++)
@ -549,6 +547,13 @@ Foam::pyrolysisChemistryModel<CompType, SolidThermo, GasThermo>::solve
RRg_[i].field() = 0.0;
}
const scalarField& T = this->solidThermo().T();
const scalarField& p = this->solidThermo().p();
scalarField c(nSpecie_, 0.0);
scalarField c0(nSpecie_, 0.0);
scalarField dc(nSpecie_, 0.0);
scalarField delta(this->mesh().V());
forAll(rho, celli)
{
@ -557,75 +562,38 @@ Foam::pyrolysisChemistryModel<CompType, SolidThermo, GasThermo>::solve
cellCounter_ = celli;
scalar rhoi = rho[celli];
scalar Ti = this->solidThermo().T()[celli];
scalar pi = this->solidThermo().p()[celli];
scalarField c(nSpecie_, 0.0);
scalarField c0(nSpecie_, 0.0);
scalarField dc(nSpecie_, 0.0);
scalar delta = this->mesh().V()[celli];
scalar pi = p[celli];
scalar Ti = T[celli];
for (label i=0; i<this->nSolids_; i++)
{
c[i] = rhoi*this->Ys_[i][celli]*delta;
c[i] = rhoi*this->Ys_[i][celli]*delta[celli];
}
c0 = c;
scalar t = 0;
scalar tauC = this->deltaTChem_[celli];
scalar dt = min(deltaT, tauC);
// Initialise time progress
scalar timeLeft = deltaT;
// calculate the chemical source terms
while (timeLeft > SMALL)
{
tauC = this->solve(c, Ti, pi, t, dt);
t += dt;
// update the temperature
scalar cTot = 0.0;
//Total mass concentration
for (label i=0; i<this->nSolids_; i++)
{
cTot += c[i];
}
scalar newCp = 0.0;
scalar newhi = 0.0;
scalarList dcdt = (c - c0)/dt;
for (label i=0; i<this->nSolids_; i++)
{
scalar dYi = dcdt[i]/cTot;
scalar Yi = c[i]/cTot;
newCp += Yi*this->solidThermo_[i].Cp(pi, Ti);
newhi -= dYi*this->solidThermo_[i].Hc();
}
scalar dTi = (newhi/newCp)*dt;
Ti += dTi;
scalar dt = timeLeft;
this->solve(c, Ti, pi, dt, this->deltaTChem_[celli]);
timeLeft -= dt;
this->deltaTChem_[celli] = tauC;
dt = min(timeLeft, tauC);
dt = max(dt, SMALL);
}
deltaTMin = min(tauC, deltaTMin);
deltaTMin = min(this->deltaTChem_[celli], deltaTMin);
dc = c - c0;
forAll(this->RRs_, i)
{
this->RRs_[i][celli] = dc[i]/(deltaT*delta);
this->RRs_[i][celli] = dc[i]/(deltaT*delta[celli]);
}
forAll(RRg_, i)
{
RRg_[i][celli] = dc[this->nSolids_ + i]/(deltaT*delta);
RRg_[i][celli] = dc[this->nSolids_ + i]/(deltaT*delta[celli]);
}
// Update Ys0_
@ -682,14 +650,13 @@ Foam::pyrolysisChemistryModel<CompType, SolidThermo, GasThermo>::gasHs
template<class CompType, class SolidThermo, class GasThermo>
Foam::scalar
Foam::pyrolysisChemistryModel<CompType, SolidThermo, GasThermo>::solve
void Foam::pyrolysisChemistryModel<CompType, SolidThermo, GasThermo>::solve
(
scalarField &c,
const scalar T,
const scalar p,
const scalar t0,
const scalar dt
scalar& T,
scalar& p,
scalar& deltaT,
scalar& subDeltaT
) const
{
notImplemented
@ -697,12 +664,11 @@ Foam::pyrolysisChemistryModel<CompType, SolidThermo, GasThermo>::solve
"pyrolysisChemistryModel::solve"
"("
"scalarField&, "
"const scalar, "
"const scalar, "
"const scalar, "
"const scalar"
"scalar&, "
"scalar&, "
"scalar&, "
"scalar& "
") const"
);
return (0);
}
// ************************************************************************* //

10
src/thermophysicalModels/solidChemistryModel/pyrolysisChemistryModel/pyrolysisChemistryModel.H
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@ -221,13 +221,13 @@ public:
scalarSquareMatrix& dfdc
) const;
virtual scalar solve
virtual void solve
(
scalarField &c,
const scalar T,
const scalar p,
const scalar t0,
const scalar dt
scalar& T,
scalar& p,
scalar& deltaT,
scalar& subDeltaT
) const;
};

25
src/thermophysicalModels/solidChemistryModel/solidChemistryModel/solidChemistryModel.C
View File

@ -192,31 +192,6 @@ Foam::solidChemistryModel<CompType, SolidThermo>::dQ() const
}
template<class CompType, class SolidThermo>
Foam::scalar Foam::solidChemistryModel<CompType, SolidThermo>::solve
(
scalarField &c,
const scalar T,
const scalar p,
const scalar t0,
const scalar dt
) const
{
notImplemented
(
"solidChemistryModel::solve"
"("
"scalarField&, "
"const scalar, "
"const scalar, "
"const scalar, "
"const scalar"
") const"
);
return (0);
}
template<class CompType, class SolidThermo>
void Foam::solidChemistryModel<CompType, SolidThermo>::setCellReacting
(

11
src/thermophysicalModels/solidChemistryModel/solidChemistryModel/solidChemistryModel.H
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@ -95,6 +95,7 @@ protected:
//- List of active reacting cells
List<bool> reactingCells_;
// Protected Member Functions
//- Write access to source terms for solids
@ -224,13 +225,13 @@ public:
scalarSquareMatrix& dfdc
) const = 0;
virtual scalar solve
virtual void solve
(
scalarField &c,
const scalar T,
const scalar p,
const scalar t0,
const scalar dt
scalar& T,
scalar& p,
scalar& deltaT,
scalar& subDeltaT
) const = 0;
};