bool BulkKinetics::addReaction(shared_ptr<Reaction> r)
{
bool added = Kinetics::addReaction(r);
if (!added) {
return false;
}
double dn = 0.0;
for (Composition::const_iterator iter = r->products.begin();
iter != r->products.end();
++iter) {
dn += iter->second;
}
for (Composition::const_iterator iter = r->reactants.begin();
iter != r->reactants.end();
++iter) {
dn -= iter->second;
}
m_dn.push_back(dn);
if (r->reversible) {
m_revindex.push_back(nReactions()-1);
} else {
m_irrev.push_back(nReactions()-1);
}
return true;
}
void InterpKinetics::update_rates_T()
{
if (!m_ntemps) {
rebuildInterpData(200, 250, 3000);
}
double Tnow = thermo().temperature();
if (Tnow >= m_tmax) {
rebuildInterpData(m_ntemps + 10, m_tmin, Tnow + 100.0);
} else if (Tnow <= m_tmin) {
rebuildInterpData(m_ntemps + 2, std::max(Tnow - 20.0, 10.0), m_tmax);
}
size_t n = static_cast<size_t>(floor((Tnow-m_tmin)/(m_tmax-m_tmin)*(m_ntemps-1)));
double dT = Tnow - n * (m_tmax - m_tmin) / (m_ntemps - 1) - m_tmin;
assert(dT >= 0 && dT <= (m_tmax - m_tmin) / (m_ntemps - 1));
assert(n < m_ntemps);
size_t nFall = m_falloff_low_rates.nReactions();
vec_map(&m_rfn[0], nReactions()) = m_rfn_const.col(n) + m_rfn_slope.col(n) * dT;
vec_map(&m_rkcn[0], nReactions()) = m_rkcn_const.col(n) + m_rkcn_slope.col(n) * dT;
vec_map(&m_rfn_low[0], nFall) = m_rfn_low_const.col(n) + m_rfn_low_slope.col(n) * dT;
vec_map(&m_rfn_high[0], nFall) = m_rfn_high_const.col(n) + m_rfn_high_slope.col(n) * dT;
vec_map(&falloff_work[0], nFall) = m_falloff_work_const.col(n) + m_falloff_work_slope.col(n) * dT;
m_logStandConc = log(thermo().standardConcentration());
m_temp = Tnow;
m_ROP_ok = false;
}
void BulkKinetics::addReaction(ReactionData& r)
{
m_dn.push_back(accumulate(r.pstoich.begin(), r.pstoich.end(), 0.0) -
accumulate(r.rstoich.begin(), r.rstoich.end(), 0.0));
if (r.reversible) {
m_revindex.push_back(nReactions());
} else {
m_irrev.push_back(nReactions());
}
Kinetics::addReaction(r);
}
void AqueousKinetics::updateROP()
{
_update_rates_T();
_update_rates_C();
if (m_ROP_ok) {
return;
}
// copy rate coefficients into ropf
m_ropf = m_rfn;
// multiply by perturbation factor
multiply_each(m_ropf.begin(), m_ropf.end(), m_perturb.begin());
// copy the forward rates to the reverse rates
m_ropr = m_ropf;
// for reverse rates computed from thermochemistry, multiply the forward
// rates copied into m_ropr by the reciprocals of the equilibrium constants
multiply_each(m_ropr.begin(), m_ropr.end(), m_rkcn.begin());
// multiply ropf by concentration products
m_reactantStoich.multiply(m_conc.data(), m_ropf.data());
// for reversible reactions, multiply ropr by concentration products
m_revProductStoich.multiply(m_conc.data(), m_ropr.data());
for (size_t j = 0; j != nReactions(); ++j) {
m_ropnet[j] = m_ropf[j] - m_ropr[j];
}
m_ROP_ok = true;
}
void Kinetics::getRevReactionDelta(const double* prop, double* deltaProp)
{
fill(deltaProp, deltaProp + nReactions(), 0.0);
// products add
m_revProductStoich.incrementReactions(prop, deltaProp);
// reactants subtract
m_reactantStoich.decrementReactions(prop, deltaProp);
}
void GasKinetics::addThreeBodyReaction(ThreeBodyReaction& r)
{
m_rates.install(nReactions()-1, r.rate);
map<size_t, double> efficiencies;
for (Composition::const_iterator iter = r.third_body.efficiencies.begin();
iter != r.third_body.efficiencies.end();
++iter) {
size_t k = kineticsSpeciesIndex(iter->first);
if (k != npos) {
efficiencies[k] = iter->second;
} else if (!m_skipUndeclaredThirdBodies) {
throw CanteraError("GasKinetics::addThreeBodyReaction", "Found "
"third-body efficiency for undefined species '" + iter->first +
"' while adding reaction '" + r.equation() + "'");
}
}
m_3b_concm.install(nReactions()-1, efficiencies,
r.third_body.default_efficiency);
}
void InterfaceKinetics::checkPartialEquil() {
int i, irxn;
vector_fp dmu(nTotalSpecies(), 0.0);
vector_fp rmu(nReactions(), 0.0);
vector_fp frop(nReactions(), 0.0);
vector_fp rrop(nReactions(), 0.0);
vector_fp netrop(nReactions(), 0.0);
if (m_nrev > 0) {
doublereal rt = GasConstant*thermo(0).temperature();
cout << "T = " << thermo(0).temperature() << " " << rt << endl;
int n, nsp, k, ik=0;
//doublereal rt = GasConstant*thermo(0).temperature();
// doublereal rrt = 1.0/rt;
int np = nPhases();
doublereal delta;
for (n = 0; n < np; n++) {
thermo(n).getChemPotentials(DATA_PTR(dmu) + m_start[n]);
nsp = thermo(n).nSpecies();
for (k = 0; k < nsp; k++) {
delta = Faraday * m_phi[n] * thermo(n).charge(k);
//cout << thermo(n).speciesName(k) << " " << (delta+dmu[ik])/rt << " " << dmu[ik]/rt << endl;
dmu[ik] += delta;
ik++;
}
}
// compute Delta mu^ for all reversible reactions
m_rxnstoich.getRevReactionDelta(m_ii, DATA_PTR(dmu), DATA_PTR(rmu));
getFwdRatesOfProgress(DATA_PTR(frop));
getRevRatesOfProgress(DATA_PTR(rrop));
getNetRatesOfProgress(DATA_PTR(netrop));
for (i = 0; i < m_nrev; i++) {
irxn = m_revindex[i];
cout << "Reaction " << reactionString(irxn)
<< " " << rmu[irxn]/rt << endl;
printf("%12.6e %12.6e %12.6e %12.6e \n",
frop[irxn], rrop[irxn], netrop[irxn],
netrop[irxn]/(frop[irxn] + rrop[irxn]));
}
}
}
/**
* Finish adding reactions and prepare for use. This function
* must be called after all reactions are entered into the mechanism
* and before the mechanism is used to calculate reaction rates.
*
* Here, we resize work arrays based on the number of reactions,
* since we don't know this number up to now.
*/
void InterfaceKinetics::finalize() {
m_rwork.resize(nReactions());
int ks = reactionPhaseIndex();
if (ks < 0) throw CanteraError("InterfaceKinetics::finalize",
"no surface phase is present.");
m_surf = (SurfPhase*)&thermo(ks);
if (m_surf->nDim() != 2)
throw CanteraError("InterfaceKinetics::finalize",
"expected interface dimension = 2, but got dimension = "
+int2str(m_surf->nDim()));
m_finalized = true;
}
void BulkKinetics::getRevRateConstants(doublereal* krev, bool doIrreversible)
{
/*
* go get the forward rate constants. -> note, we don't
* really care about speed or redundancy in these
* informational routines.
*/
getFwdRateConstants(krev);
if (doIrreversible) {
getEquilibriumConstants(&m_ropnet[0]);
for (size_t i = 0; i < nReactions(); i++) {
krev[i] /= m_ropnet[i];
}
} else {
// m_rkcn[] is zero for irreversible reactions
for (size_t i = 0; i < nReactions(); i++) {
krev[i] *= m_rkcn[i];
}
}
}
void GasKinetics::updateROP()
{
update_rates_C();
update_rates_T();
if (m_ROP_ok) {
return;
}
// copy rate coefficients into ropf
copy(m_rfn.begin(), m_rfn.end(), m_ropf.begin());
// multiply ropf by enhanced 3b conc for all 3b rxns
if (!concm_3b_values.empty()) {
m_3b_concm.multiply(&m_ropf[0], &concm_3b_values[0]);
}
if (m_nfall) {
processFalloffReactions();
}
// multiply by perturbation factor
multiply_each(m_ropf.begin(), m_ropf.end(), m_perturb.begin());
// copy the forward rates to the reverse rates
copy(m_ropf.begin(), m_ropf.end(), m_ropr.begin());
// for reverse rates computed from thermochemistry, multiply the forward
// rates copied into m_ropr by the reciprocals of the equilibrium constants
multiply_each(m_ropr.begin(), m_ropr.end(), m_rkcn.begin());
// multiply ropf by concentration products
m_reactantStoich.multiply(&m_conc[0], &m_ropf[0]);
// for reversible reactions, multiply ropr by concentration products
m_revProductStoich.multiply(&m_conc[0], &m_ropr[0]);
for (size_t j = 0; j != nReactions(); ++j) {
m_ropnet[j] = m_ropf[j] - m_ropr[j];
}
for (size_t i = 0; i < m_rfn.size(); i++) {
AssertFinite(m_rfn[i], "GasKinetics::updateROP",
"m_rfn[" + int2str(i) + "] is not finite.");
AssertFinite(m_ropf[i], "GasKinetics::updateROP",
"m_ropf[" + int2str(i) + "] is not finite.");
AssertFinite(m_ropr[i], "GasKinetics::updateROP",
"m_ropr[" + int2str(i) + "] is not finite.");
}
m_ROP_ok = true;
}
/**
* Compute the forward rate constants.
*/
void InterfaceKinetics::getFwdRateConstants(doublereal* kfwd) {
updateROP();
const vector_fp& rf = m_kdata->m_rfn;
// copy rate coefficients into kfwd
copy(rf.begin(), rf.end(), kfwd);
// multiply by perturbation factor
multiply_each(kfwd, kfwd + nReactions(), m_perturb.begin());
}
/**
* Update the rates of progress of the reactions in the reaciton
* mechanism. This routine operates on internal data.
*/
void InterfaceKinetics::getRevRateConstants(doublereal* krev, bool doIrreversible) {
getFwdRateConstants(krev);
if (doIrreversible) {
doublereal *tmpKc = DATA_PTR(m_kdata->m_ropnet);
getEquilibriumConstants(tmpKc);
for (int i = 0; i < m_ii; i++) {
krev[i] /= tmpKc[i];
}
}
else {
const vector_fp& rkc = m_kdata->m_rkcn;
multiply_each(krev, krev + nReactions(), rkc.begin());
}
}
void BulkKinetics::finalize()
{
m_finalized = true;
// Guarantee that these arrays can be converted to double* even in the
// special case where there are no reactions defined.
if (!nReactions()) {
m_perturb.resize(1, 1.0);
m_ropf.resize(1, 0.0);
m_ropr.resize(1, 0.0);
m_ropnet.resize(1, 0.0);
m_rkcn.resize(1, 0.0);
}
}
void GasKinetics::addFalloffReaction(FalloffReaction& r)
{
// install high and low rate coeff calculators
// and extend the high and low rate coeff value vectors
m_falloff_high_rates.install(m_nfall, r.high_rate);
m_rfn_high.push_back(0.0);
m_falloff_low_rates.install(m_nfall, r.low_rate);
m_rfn_low.push_back(0.0);
// add this reaction number to the list of falloff reactions
m_fallindx.push_back(nReactions()-1);
m_rfallindx[nReactions()-1] = m_nfall;
// install the enhanced third-body concentration calculator
map<size_t, double> efficiencies;
for (Composition::const_iterator iter = r.third_body.efficiencies.begin();
iter != r.third_body.efficiencies.end();
++iter) {
size_t k = kineticsSpeciesIndex(iter->first);
if (k != npos) {
efficiencies[k] = iter->second;
} else if (!m_skipUndeclaredThirdBodies) {
throw CanteraError("GasKinetics::addTFalloffReaction", "Found "
"third-body efficiency for undefined species '" + iter->first +
"' while adding reaction '" + r.equation() + "'");
}
}
m_falloff_concm.install(m_nfall, efficiencies,
r.third_body.default_efficiency);
// install the falloff function calculator for this reaction
m_falloffn.install(m_nfall, r.reaction_type, r.falloff);
// increment the falloff reaction counter
++m_nfall;
}
void AqueousKinetics::getFwdRateConstants(doublereal* kfwd)
{
_update_rates_T();
_update_rates_C();
// copy rate coefficients into ropf
m_ropf = m_rfn;
// multiply by perturbation factor
multiply_each(m_ropf.begin(), m_ropf.end(), m_perturb.begin());
for (size_t i = 0; i < nReactions(); i++) {
kfwd[i] = m_ropf[i];
}
}
void GasKinetics::getEquilibriumConstants(doublereal* kc)
{
update_rates_T();
thermo().getStandardChemPotentials(&m_grt[0]);
fill(m_rkcn.begin(), m_rkcn.end(), 0.0);
// compute Delta G^0 for all reactions
getReactionDelta(&m_grt[0], &m_rkcn[0]);
doublereal rrt = 1.0/(GasConstant * thermo().temperature());
for (size_t i = 0; i < nReactions(); i++) {
kc[i] = exp(-m_rkcn[i]*rrt + m_dn[i]*m_logStandConc);
}
// force an update of T-dependent properties, so that m_rkcn will
// be updated before it is used next.
m_temp = 0.0;
}
/**
* Update the equilibrium constants in molar units for all
* reversible reactions. Irreversible reactions have their
* equilibrium constant set to zero.
* For reactions involving charged species the equilibrium
* constant is adjusted according to the electrostatis potential.
*/
void InterfaceKinetics::updateKc() {
int i, irxn;
vector_fp& m_rkc = m_kdata->m_rkcn;
fill(m_rkc.begin(), m_rkc.end(), 0.0);
//static vector_fp mu(nTotalSpecies());
if (m_nrev > 0) {
/*
* Get the vector of electrochemical potentials and store it in m_mu0
*/
int n, nsp, k, ik = 0;
doublereal rt = GasConstant*thermo(0).temperature();
doublereal rrt = 1.0 / rt;
int np = nPhases();
for (n = 0; n < np; n++) {
thermo(n).getStandardChemPotentials(DATA_PTR(m_mu0) + m_start[n]);
nsp = thermo(n).nSpecies();
for (k = 0; k < nsp; k++) {
m_mu0[ik] -= rt * thermo(n).logStandardConc(k);
m_mu0[ik] += Faraday * m_phi[n] * thermo(n).charge(k);
ik++;
}
}
// compute Delta mu^0 for all reversible reactions
m_rxnstoich.getRevReactionDelta(m_ii, DATA_PTR(m_mu0),
DATA_PTR(m_rkc));
for (i = 0; i < m_nrev; i++) {
irxn = m_revindex[i];
if (irxn < 0 || irxn >= nReactions()) {
throw CanteraError("InterfaceKinetics",
"illegal value: irxn = "+int2str(irxn));
}
m_rkc[irxn] = exp(m_rkc[irxn]*rrt);
}
for (i = 0; i != m_nirrev; ++i) {
m_rkc[ m_irrev[i] ] = 0.0;
}
}
}
void AqueousKinetics::getEquilibriumConstants(doublereal* kc)
{
_update_rates_T();
thermo().getStandardChemPotentials(m_grt.data());
fill(m_rkcn.begin(), m_rkcn.end(), 0.0);
for (size_t k = 0; k < thermo().nSpecies(); k++) {
doublereal logStandConc_k = thermo().logStandardConc(k);
m_grt[k] -= GasConstant * m_temp * logStandConc_k;
}
// compute Delta G^0 for all reactions
getReactionDelta(m_grt.data(), m_rkcn.data());
doublereal rrt = 1.0 / thermo().RT();
for (size_t i = 0; i < nReactions(); i++) {
kc[i] = exp(-m_rkcn[i]*rrt);
}
// force an update of T-dependent properties, so that m_rkcn will
// be updated before it is used next.
m_temp = 0.0;
}
/**
* Finish adding reactions and prepare for use. This function
* must be called after all reactions are entered into the mechanism
* and before the mechanism is used to calculate reaction rates.
*
* Here, we resize work arrays based on the number of reactions,
* since we don't know this number up to now.
*/
void InterfaceKinetics::finalize() {
Kinetics::finalize();
m_rwork.resize(nReactions());
int ks = reactionPhaseIndex();
if (ks < 0) throw CanteraError("InterfaceKinetics::finalize",
"no surface phase is present.");
m_surf = (SurfPhase*)&thermo(ks);
if (m_surf->nDim() != 2)
throw CanteraError("InterfaceKinetics::finalize",
"expected interface dimension = 2, but got dimension = "
+int2str(m_surf->nDim()));
m_StandardConc.resize(m_nTotalSpecies, 0.0);
m_deltaG0.resize(m_ii, 0.0);
m_ProdStanConcReac.resize(m_ii, 0.0);
if (m_thermo.size() != m_phaseExists.size()) {
throw CanteraError("InterfaceKinetics::finalize", "internal error");
}
m_finalized = true;
}
void GasKinetics::getFwdRateConstants(doublereal* kfwd)
{
update_rates_C();
update_rates_T();
// copy rate coefficients into ropf
copy(m_rfn.begin(), m_rfn.end(), m_ropf.begin());
// multiply ropf by enhanced 3b conc for all 3b rxns
if (!concm_3b_values.empty()) {
m_3b_concm.multiply(&m_ropf[0], &concm_3b_values[0]);
}
if (m_nfall) {
processFalloffReactions();
}
// multiply by perturbation factor
multiply_each(m_ropf.begin(), m_ropf.end(), m_perturb.begin());
for (size_t i = 0; i < nReactions(); i++) {
kfwd[i] = m_ropf[i];
}
}
void InterpKinetics::rebuildInterpData(size_t nTemps, double Tmin, double Tmax)
{
m_ntemps = nTemps;
m_tmin = Tmin;
m_tmax = Tmax;
m_rfn_const = dmatrix::Zero(nReactions(), m_ntemps);
m_rfn_slope = dmatrix::Zero(nReactions(), m_ntemps);
m_rkcn_const = dmatrix::Zero(nReactions(), m_ntemps);
m_rkcn_slope = dmatrix::Zero(nReactions(), m_ntemps);
size_t nFall = m_falloff_low_rates.nReactions();
m_rfn_low_const = dmatrix::Zero(nFall, m_ntemps);
m_rfn_low_slope = dmatrix::Zero(nFall, m_ntemps);
m_rfn_high_const = dmatrix::Zero(nFall, m_ntemps);
m_rfn_high_slope = dmatrix::Zero(nFall, m_ntemps);
m_falloff_work_const = dmatrix::Zero(nFall, m_ntemps);
m_falloff_work_slope = dmatrix::Zero(nFall, m_ntemps);
double T_save = thermo().temperature();
double rho_save = thermo().density();
for (size_t n = 0; n < m_ntemps; n++) {
thermo().setState_TR(Tmin + ((double) n)/(m_ntemps - 1) * (Tmax - Tmin),
rho_save);
GasKinetics::update_rates_T();
m_rfn_const.col(n) = vec_map(&m_rfn[0], nReactions());
m_rkcn_const.col(n) = vec_map(&m_rkcn[0], nReactions());
m_rfn_low_const.col(n) = vec_map(&m_rfn_low[0], nFall);
m_rfn_high_const.col(n) = vec_map(&m_rfn_high[0], nFall);
m_falloff_work_const.col(n) = vec_map(&falloff_work[0], nFall);
}
double dT = (Tmax - Tmin) / (m_ntemps - 1);
for (size_t n = 0; n < m_ntemps - 1; n++) {
m_rfn_slope.col(n) = (m_rfn_const.col(n+1) - m_rfn_const.col(n)) / dT;
m_rkcn_slope.col(n) = (m_rkcn_const.col(n+1) - m_rkcn_const.col(n)) / dT;
m_rfn_low_slope.col(n) = (m_rfn_low_const.col(n+1) - m_rfn_low_const.col(n)) / dT;
m_rfn_high_slope.col(n) = (m_rfn_high_const.col(n+1) - m_rfn_high_const.col(n)) / dT;
m_falloff_work_slope.col(n) = (m_falloff_work_const.col(n+1) - m_falloff_work_const.col(n)) / dT;
}
thermo().setState_TR(T_save, rho_save);
}
void GasKinetics::addPlogReaction(PlogReaction& r)
{
m_plog_rates.install(nReactions()-1, r.rate);
}
void GasKinetics::addChebyshevReaction(ChebyshevReaction& r)
{
m_cheb_rates.install(nReactions()-1, r.rate);
}
void BulkKinetics::addElementaryReaction(ElementaryReaction& r)
{
m_rates.install(nReactions()-1, r.rate);
}
void Kinetics::checkReactionIndex(size_t i) const
{
if (i >= nReactions()) {
throw IndexError("checkReactionIndex", "reactions", i, nReactions()-1);
}
}
bool Kinetics::addReaction(shared_ptr<Reaction> r)
{
r->validate();
if (m_kk == 0) {
init();
}
resizeSpecies();
// If reaction orders are specified, then this reaction does not follow
// mass-action kinetics, and is not an elementary reaction. So check that it
// is not reversible, since computing the reverse rate from thermochemistry
// only works for elementary reactions.
if (r->reversible && !r->orders.empty()) {
throw CanteraError("Kinetics::addReaction", "Reaction orders may only "
"be given for irreversible reactions");
}
// Check for undeclared species
for (const auto& sp : r->reactants) {
if (kineticsSpeciesIndex(sp.first) == npos) {
if (m_skipUndeclaredSpecies) {
return false;
} else {
throw CanteraError("Kinetics::addReaction", "Reaction '" +
r->equation() + "' contains the undeclared species '" +
sp.first + "'");
}
}
}
for (const auto& sp : r->products) {
if (kineticsSpeciesIndex(sp.first) == npos) {
if (m_skipUndeclaredSpecies) {
return false;
} else {
throw CanteraError("Kinetics::addReaction", "Reaction '" +
r->equation() + "' contains the undeclared species '" +
sp.first + "'");
}
}
}
checkReactionBalance(*r);
size_t irxn = nReactions(); // index of the new reaction
// indices of reactant and product species within this Kinetics object
std::vector<size_t> rk, pk;
// Reactant and product stoichiometric coefficients, such that rstoich[i] is
// the coefficient for species rk[i]
vector_fp rstoich, pstoich;
for (const auto& sp : r->reactants) {
size_t k = kineticsSpeciesIndex(sp.first);
rk.push_back(k);
rstoich.push_back(sp.second);
}
for (const auto& sp : r->products) {
size_t k = kineticsSpeciesIndex(sp.first);
pk.push_back(k);
pstoich.push_back(sp.second);
}
// The default order for each reactant is its stoichiometric coefficient,
// which can be overridden by entries in the Reaction.orders map. rorder[i]
// is the order for species rk[i].
vector_fp rorder = rstoich;
for (const auto& sp : r->orders) {
size_t k = kineticsSpeciesIndex(sp.first);
// Find the index of species k within rk
auto rloc = std::find(rk.begin(), rk.end(), k);
if (rloc != rk.end()) {
rorder[rloc - rk.begin()] = sp.second;
} else {
// If the reaction order involves a non-reactant species, add an
// extra term to the reactants with zero stoichiometry so that the
// stoichiometry manager can be used to compute the global forward
// reaction rate.
rk.push_back(k);
rstoich.push_back(0.0);
rorder.push_back(sp.second);
}
}
m_reactantStoich.add(irxn, rk, rorder, rstoich);
// product orders = product stoichiometric coefficients
if (r->reversible) {
m_revProductStoich.add(irxn, pk, pstoich, pstoich);
} else {
m_irrevProductStoich.add(irxn, pk, pstoich, pstoich);
}
m_reactions.push_back(r);
m_rfn.push_back(0.0);
m_rkcn.push_back(0.0);
m_ropf.push_back(0.0);
m_ropr.push_back(0.0);
m_ropnet.push_back(0.0);
m_perturb.push_back(1.0);
return true;
}
void BulkKinetics::addElementaryReaction(ReactionData& r)
{
m_rates.install(nReactions(), r);
}
void Kinetics::checkReactionArraySize(size_t ii) const
{
if (nReactions() > ii) {
throw ArraySizeError("checkReactionArraySize", ii, nReactions());
}
}
