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cantera/Cantera/src/importCTML.cpp
Dave Goodwin 81189197f1 *** empty log message ***
2003-08-13 13:56:34 +00:00

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/*
* @file importCTML.cpp
* This file contains a bunch of routines which are global
* routines, i.e., not part of any object. These routine
* take as input, ctml pointers to data, and pointers to
* Cantera objects. The purpose of these routines is to
* intialize the Cantera objects with data from the ctml
* tree structures.
*
* $Author$
* $Revision$
* $Date$
*/
// Copyright 2002 California Institute of Technology
#ifdef WIN32
#pragma warning(disable:4786)
#pragma warning(disable:4503)
#endif
#include "importCTML.h"
#include "mix_defs.h"
#include <time.h>
// STL includes
#include <map>
#include <string>
#include <vector>
using namespace std;
// Cantera includes
#include "speciesThermoTypes.h"
#include "ThermoPhase.h"
#include "SurfPhase.h"
#include "ThermoFactory.h"
#include "SpeciesThermoFactory.h"
#include "KineticsFactory.h"
#include "reaction_defs.h"
#include "ReactionData.h"
#include "global.h"
#include "stringUtils.h"
#include "GasKineticsWriter.h"
#include "xml.h"
#include "ctml.h"
using namespace ctml;
#include <stdio.h>
GasKineticsWriter* writer = 0;
vector< map<int, doublereal> > _reactiondata;
vector<string> _eqn;
vector_int _dup;
vector<bool> _rev;
namespace Cantera {
/*
* First we define a coule of typedef's which will
* be used throught this file
*/
typedef vector<XML_Node*> nodeset_t;
typedef XML_Node node_t;
/// Number of reactant molecules
//static int nReacMolecules(ReactionData& r) {
// return accumulate(r.rstoich.begin(), r.rstoich.end(), 0);
//}
const doublereal DefaultPref = 1.01325e5; // one atm
/**
* Install a NASA polynomial thermodynamic property
* parameterization for species k.
*/
static void installNasaThermo(SpeciesThermo& sp, int k, XML_Node& f0,
XML_Node& f1) {
doublereal tmin0, tmax0, tmin1, tmax1, tmin, tmid, tmax;
tmin0 = fpValue(f0["Tmin"]);
tmax0 = fpValue(f0["Tmax"]);
tmin1 = fpValue(f1["Tmin"]);
tmax1 = fpValue(f1["Tmax"]);
vector_fp c0, c1;
if (fabs(tmax0 - tmin1) < 0.01) {
tmin = tmin0;
tmid = tmax0;
tmax = tmax1;
getFloatArray(f0.child("floatArray"), c0, false);
getFloatArray(f1.child("floatArray"), c1, false);
}
else if (fabs(tmax1 - tmin0) < 0.01) {
tmin = tmin1;
tmid = tmax1;
tmax = tmax0;
getFloatArray(f1.child("floatArray"), c0, false);
getFloatArray(f0.child("floatArray"), c1, false);
}
else {
throw CanteraError("installNasaThermo",
"non-continuous temperature ranges.");
}
array_fp c(15);
c[0] = tmid;
doublereal p0 = OneAtm;
c[1] = c0[5];
c[2] = c0[6];
copy(c0.begin(), c0.begin()+5, c.begin() + 3);
c[8] = c1[5];
c[9] = c1[6];
copy(c1.begin(), c1.begin()+5, c.begin() + 10);
sp.install(k, NASA, c.begin(), tmin, tmax, p0);
}
/**
* Install a Shomate polynomial thermodynamic property
* parameterization for species k.
*/
static void installShomateThermo(SpeciesThermo& sp, int k, XML_Node& f) {
doublereal tmin, tmid, tmax;
tmin = fpValue(f["Tmin"]);
tmid = fpValue(f["Tmid"]);
tmax = fpValue(f["Tmax"]);
vector<XML_Node*> fa;
f.getChildren("floatArray",fa);
vector_fp c0, c1;
getFloatArray(*fa[0], c0, false);
getFloatArray(*fa[1], c1, false);
array_fp c(15);
c[0] = tmid;
doublereal p0 = OneAtm;
if ((*fa[0])["title"] == "low") {
copy(c0.begin(), c0.end(), c.begin() + 1);
copy(c1.begin(), c1.end(), c.begin() + 8);
}
else {
copy(c1.begin(), c1.end(), c.begin() + 1);
copy(c0.begin(), c0.end(), c.begin() + 8);
}
sp.install(k, SHOMATE, c.begin(), tmin, tmax, p0);
}
/**
* Install a constant-cp thermodynamic property
* parameterization for species k.
*/
static void installSimpleThermo(SpeciesThermo& sp, int k, XML_Node& f) {
doublereal tmin, tmax;
tmin = fpValue(f["Tmin"]);
tmax = fpValue(f["Tmax"]);
if (tmax == 0.0) tmax = 1.0e30;
vector_fp c(4);
c[0] = getFloat(f, "t0", "-");
c[1] = getFloat(f, "h0", "-");
c[2] = getFloat(f, "s0", "-");
c[3] = getFloat(f, "cp0", "-");
doublereal p0 = OneAtm;
sp.install(k, SIMPLE, c.begin(), tmin, tmax, p0);
}
/**
* Install a species into a ThermoPhase object, which defines
* the phase thermodynamics and speciation
*/
static bool installSpecies(int k, XML_Node& s, thermo_t& p,
SpeciesThermo& spthermo, int rule) {
// get the composition of the species
XML_Node& a = s.child("atomArray");
map<string,string> comp;
getMap(a, comp);
// check that all elements in the species
// exist in 'p'
map<string,string>::const_iterator _b = comp.begin();
for (; _b != comp.end(); ++_b) {
if (p.elementIndex(_b->first) < 0) {
if (rule == 0)
throw
CanteraError("installSpecies",
"Species " + s["name"] +
" contains undeclared element " + _b->first);
else
return false;
}
}
int m, nel = p.nElements();
vector_fp ecomp(nel, 0.0);
for (m = 0; m < nel; m++) {
ecomp[m] = atoi(comp[p.elementName(m)].c_str());
}
/*
* Define a map and get all of the floats in the
* current XML species block
*/
doublereal chrg = 0.0;
if (s.hasChild("charge")) chrg = getFloat(s, "charge");
doublereal sz = 1.0;
if (s.hasChild("size")) sz = getFloat(s, "size");
p.addUniqueSpecies(s["name"], ecomp.begin(), chrg, sz);
// get thermo
XML_Node& thermo = s.child("thermo");
vector<XML_Node*> tp = thermo.children();
int nc = tp.size();
if (nc == 1) {
XML_Node& f = *tp[0];
if (f.name() == "Shomate") {
installShomateThermo(spthermo, k, f);
}
else if (f.name() == "const_cp") {
installSimpleThermo(spthermo, k, f);
}
else
throw CanteraError("importCTML",
"Unsupported species thermo parameterization"
" for species "+s["name"]+": "+f.name());
}
else if (nc == 2) {
XML_Node& f0 = *tp[0];
XML_Node& f1 = *tp[1];
if (f0.name() == "NASA" && f1.name() == "NASA") {
installNasaThermo(spthermo, k, f0, f1);
}
}
else
throw CanteraError("importCTML",
"Multiple thermo parameterizations given for "
"species "+s["name"]);
return true;
}
/**
* Get the reactants or products of a reaction. The information
* is returned in the spnum, stoich, and order vectors. The
* length of the vectors is the number of different types of
* reactants or products found for the reaction.
*
* Input
* --------
* rxn -> xml node pointing to the reaction element
* in the xml tree.
* kin -> Reference to the kinetics object to install
* the information into.
* rp = 1 -> Go get the reactants for a reaction
* -1 -> Go get the products for a reaction
* default_phase = String name for the default phase
* to loop up species in.
* Output
* -----------
* spnum = vector of species numbers found.
* Length is number of reactants or products.
* stoich = stoichiometric coefficient of the reactant or product
* Length is number of reactants or products.
* order = Order of the reactant and product in the reaction
* rate expression
* rule = If we fail to find a species, we will throw an error
* if rule != 1.
*/
static bool getReagents(XML_Node& rxn, kinetics_t& kin, int rp,
string default_phase,
vector_int& spnum, vector_int& stoich, vector_fp& order,
int rule) {
string rptype;
/*
* The id of reactants and products are kept in child elements
* of reaction, named "reactants" and "products". We search
* the xml tree for these children based on the value of rp,
* and store the xml element pointer here.
*/
if (rp == 1) rptype = "reactants";
else rptype = "products";
XML_Node& rg = rxn.child(rptype);
/*
* The species and stoichiometric coefficient for the species
* are storred as a colon seperated pair. Get all of these
* pairs in the reactions/products object.
*/
vector<string> key, val;
getPairs(rg, key, val);
int ns = key.size();
/*
* Loop over each of the pairs and process them
*/
int stch, isp;
doublereal ord;
string ph, sp;
for (int n = 0; n < ns; n++) {
sp = key[n]; // sp is the string name for species
ph = ""; //snode["phase"];
/*
* Search for the species in the kinetics object using the
* member function kineticsSpeciesIndex(). We will search
* for the species in all phases defined in the kinetics operator.
*/
isp = kin.kineticsSpeciesIndex(sp,"<any>");
if (isp < 0) {
if (rule == 1)
return false;
else {
throw CanteraError("getReagents",
"Undeclared reactant or product species "+sp);
return false;
}
}
/*
* For each reagent, we store the the species number, isp
* the stoichiometric coefficient, val[n], and the order species
* in the reaction rate expression. We assume mass action
* kinetics here.
*/
spnum.push_back(isp);
stch = atoi(val[n].c_str());
stoich.push_back(stch);
ord = doublereal(stch);
order.push_back(ord);
}
return true;
}
/**
* getArrhenious() parses the xml element called Arrhenius.
* Arrhenius expression is
* k = A T^(b) exp (-Ea / RT).
*/
static void getArrhenius(XML_Node& node, int& highlow, doublereal& A,
doublereal& b, doublereal& E) {
if (node["name"] == "k0")
highlow = 0;
else highlow = 1;
/*
* We parse the children for the A, b, and E conponents.
*/
A = getFloat(node, "A", "-");
b = getFloat(node, "b");
E = getFloat(node, "E", "actEnergy");
E /= GasConstant;
}
void getStick(XML_Node& node, doublereal mw, Kinetics& kin,
ReactionData& r, doublereal& A, doublereal& b, doublereal& E) {
int nr = r.reactants.size();
int k, klocal, ns, not_surf = 0;
int np = 0;
doublereal f = 1.0;
for (int n = 0; n < nr; n++) {
k = r.reactants[n];
ns = r.rstoich[n];
//const ThermoPhase& p =
np = kin.speciesPhaseIndex(k);
const ThermoPhase& p = kin.thermo(np);
klocal = p.speciesIndex(kin.kineticsSpeciesName(k));
if (p.eosType() == cSurf) {
f /= pow(p.standardConcentration(klocal),ns);
}
else
not_surf++;
}
if (not_surf != 1) {
throw CanteraError("getStick",
"reaction probabilities can only be used in "
"reactions with exactly 1 bulk species.");
}
doublereal cbar = sqrt(8.0*GasConstant/(Pi*mw));
A = 0.25 * getFloat(node, "A", "-") * cbar * f;
b = getFloat(node, "b") + 0.5;
E = getFloat(node, "E", "actEnergy");
E /= GasConstant;
}
/**
* Get falloff parameters for a reaction.
*/
static void getFalloff(node_t& f, ReactionData& rdata) {
string type = f["type"];
vector<string> p;
getStringArray(f,p);
vector_fp c;
int np = p.size();
for (int n = 0; n < np; n++) {
c.push_back(fpValue(p[n]));
}
if (type == "Troe") {
if (np == 4) rdata.falloffType = TROE4_FALLOFF;
else rdata.falloffType = TROE3_FALLOFF;
}
else if (type == "SRI") {
if (np == 5) rdata.falloffType = SRI5_FALLOFF;
else rdata.falloffType = SRI3_FALLOFF;
}
rdata.falloffParameters = c;
}
/**
* Get the enhanced collision efficiencies. It is assumed that the
* reaction mechanism is homogeneous, so that all species belong
* to phase(0) of 'kin'.
*/
static void getEfficiencies(node_t& eff, kinetics_t& kin, ReactionData& rdata) {
// set the default collision efficiency
rdata.default_3b_eff = fpValue(eff["default"]);
vector<string> key, val;
getPairs(eff, key, val);
int ne = key.size();
string nm;
string phse = kin.thermo(0).id();
int n, k;
for (n = 0; n < ne; n++) { // ; bb != ee; ++bb) {
nm = key[n];// bb->first;
k = kin.kineticsSpeciesIndex(nm, phse);
rdata.thirdBodyEfficiencies[k] = fpValue(val[n]); // bb->second;
}
}
/**
* Extract the rate coefficient for a reaction from the xml node, kf.
* kf should point to a XML element named "rateCoeff".
* rdata is the partially filled ReactionData object for the reaction.
* This function will fill in more fields in the ReactionData object.
*
*/
static void getRateCoefficient(node_t& kf, kinetics_t& kin,
ReactionData& rdata, int negA) {
int nc = kf.nChildren();
const nodeset_t& kf_children = kf.children();
vector_fp clow(3,0.0), chigh(3,0.0);
// int nr = nReacMolecules(rdata);
for (int m = 0; m < nc; m++) {
node_t& c = *kf_children[m];
string nm = c.name();
int highlow=0;
if (nm == "Arrhenius") {
vector_fp coeff(3);
getArrhenius(c, highlow, coeff[0], coeff[1], coeff[2]);
if (highlow == 1 || rdata.reactionType == THREE_BODY_RXN
|| rdata.reactionType == ELEMENTARY_RXN)
chigh = coeff;
else clow = coeff;
if (coeff[0] <= 0.0 && negA == 0) {
throw CanteraError("getRateCoefficient",
"negative or zero A coefficient for reaction "+int2str(rdata.number));
}
}
else if (nm == "Stick") {
vector_fp coeff(3);
string spname = c["species"];
ThermoPhase& th = kin.speciesPhase(spname);
int isp = th.speciesIndex(spname);
double mw = th.molecularWeights()[isp];
getStick(c, mw, kin, rdata, coeff[0], coeff[1], coeff[2]);
if (coeff[0] <= 0.0 && negA == 0) {
throw CanteraError("getRateCoefficient",
"negative or zero A coefficient for reaction "+int2str(rdata.number));
}
chigh = coeff;
}
else if (nm == "falloff") {
getFalloff(c, rdata);
}
else if (nm == "efficiencies") {
getEfficiencies(c, kin, rdata);
}
}
/*
* Store the coefficients in the ReactionData object for return
* from this function.
*/
if (rdata.reactionType == CHEMACT_RXN)
rdata.rateCoeffParameters = clow;
else
rdata.rateCoeffParameters = chigh;
if (rdata.reactionType == FALLOFF_RXN)
rdata.auxRateCoeffParameters = clow;
else if (rdata.reactionType == CHEMACT_RXN)
rdata.auxRateCoeffParameters = chigh;
}
/**
* Create a new ThermoPhase object.
*/
ThermoPhase* newPhase(XML_Node& xmlphase) {
XML_Node& th = xmlphase.child("thermo");
string model = th["model"];
ThermoPhase* t = newThermoPhase(model);
importPhase(xmlphase, t);
return t;
}
/**
* Set the thermodynamic state.
*/
static void setState(XML_Node& phase, ThermoPhase* th) {
if (!phase.hasChild("state")) return;
XML_Node state = phase.child("state");
doublereal t, p, rho;
string comp = getString(state,"moleFractions");
if (comp != "")
th->setMoleFractionsByName(comp);
else {
comp = getString(state,"massFractions");
if (comp != "")
th->setMassFractionsByName(comp);
}
if (state.hasChild("temperature")) {
t = getFloat(state, "temperature", "temperature");
th->setTemperature(t);
}
if (state.hasChild("pressure")) {
p = getFloat(state, "pressure", "pressure");
th->setPressure(p);
}
if (state.hasChild("density")) {
rho = getFloat(state, "density", "density");
th->setDensity(rho);
}
if (th->eosType() == cSurf && state.hasChild("coverages")) {
comp = getString(state,"coverages");
SurfPhase* s = (SurfPhase*)th;
s->setCoveragesByName(comp);
}
}
/**
* Import a phase specification.
* Here we read an XML description of the phase.
* We import descriptions of the elements that make up the
* species in a phase.
* We import information about the species, including their
* reference state thermodynamic polynomials. We then freeze
* the state of the species, and finally call initThermo()
* a member function of the ThermoPhase object to "finish"
* the description.
*
*
* @param phase This object must be the phase node of a
* complete XML tree
* description of the phase, including all of the
* species data. In other words while "phase" must
* point to an XML phase object, it must have
* sibling nodes "speciesData" that describe
* the species in the phase.
* @param th Pointer to the ThermoPhase object which will
* handle the thermodynamics for this phase.
* We initialize part of the Thermophase object
* here, especially for those objects which are
* part of the Cantera Kernel.
*/
bool importPhase(XML_Node& phase, ThermoPhase* th) {
if (phase.name() != "phase")
throw CanteraError("importPhase",
"Current XML_Node is not a phase element.");
th->setID(phase.id()); // set the phase id
// Number of spatial dimensions. Defaults to 3 (bulk phase)
if (phase.hasAttrib("dim")) {
int idim = intValue(phase["dim"]);
if (idim < 1 || idim > 3)
throw CanteraError("importPhase",
"unphysical number of dimensions: "+phase["dim"]);
th->setNDim(idim);
}
else
th->setNDim(3); // default
/**
* Equation of State: We initialize the ThermoPhase objects that
* we know about here, with additional parameters obtained from
* the xml tree. EOS's that we don't know about don't create an
* error condition.
*/
if (phase.hasChild("thermo")) {
XML_Node& eos = phase.child("thermo");
if (eos["model"] == "Incompressible") {
if (th->eosType() == cIncompressible) {
//map<string, doublereal> d;
doublereal rho = getFloat(eos, "density", "-");
//doublereal rho = d["density"];
th->setParameters(1, &rho);
}
else {
throw CanteraError("importCTML",
"wrong equation of state type");
}
}
else if (eos["model"] == "SolidCompound") {
if (th->eosType() == cSolidCompound) {
doublereal rho = getFloat(eos, "density", "-");
th->setDensity(rho);
}
else {
throw CanteraError("importCTML",
"wrong equation of state type");
}
}
else if (eos["model"] == "Surface") {
if (th->eosType() == cSurf) {
doublereal n = getFloat(eos, "site_density", "-");
if (n <= 0.0)
throw CanteraError("importCTML",
"missing or negative site density");
th->setParameters(1, &n);
}
else {
throw CanteraError("importCTML",
"wrong equation of state type");
}
}
}
/*************************************************
* Add elements.
************************************************/
// get the declared element names
XML_Node& elements = phase.child("elementArray");
vector<string> enames;
getStringArray(elements, enames);
// // element database defaults to elements.xml
string element_database; // = "elements.xml";
if (elements.hasAttrib("datasrc"))
element_database = elements["datasrc"];
XML_Node* db = find_XML(element_database,&phase.root(),"","",
"elementData");
int nel = enames.size();
int i;
string enm;
for (i = 0; i < nel; i++) {
XML_Node* e = db->findByAttr("name",enames[i]);
if (e) {
th->addUniqueElement(*e);
}
else {
throw CanteraError("importPhase","no data for element "
+enames[i]);
}
}
delete db;
db = 0;
/***************************************************************
* Add the species. First get the speciesArray element, then
* the species database.
***************************************************************/
vector<XML_Node*> sparrays;
phase.getChildren("speciesArray", sparrays);
int jsp, nspa = sparrays.size();
vector<XML_Node*> dbases;
vector_int sprule(nspa,0);
for (jsp = 0; jsp < nspa; jsp++) {
XML_Node& species = *sparrays[jsp]; // phase.child("speciesArray");
if (species.hasChild("skip")) {
XML_Node& sk = species.child("skip");
string eskip = sk["element"];
if (eskip == "undeclared") {
sprule[jsp] = 1;
}
}
db = find_XML(species["datasrc"], &phase.root(), species["idRef"],
"","speciesData");
dbases.push_back(db);
}
/*******************************************************
* Set the species thermo manager.
* Function 'newSpeciesThermoMgr' looks at the species
* in the database to see what thermodynamic property
* parameterizations are used, and selects a class
* that can handle the parameterizations found.
******************************************************/
delete &th->speciesThermo();
SpeciesThermo* spth = newSpeciesThermoMgr(dbases);
th->setSpeciesThermo(spth);
SpeciesThermo& spthermo = th->speciesThermo();
map<string,bool> declared;
int k = 0;
for (jsp = 0; jsp < nspa; jsp++) {
XML_Node& species = *sparrays[jsp];
db = dbases[jsp];
/*
* Get the array of species name strings.
*/
vector<string> spnames;
getStringArray(species, spnames);
int nsp = spnames.size();
if (nsp == 1 && spnames[0] == "all") {
vector<XML_Node*> allsp;
db->getChildren("species",allsp);
nsp = allsp.size();
spnames.resize(nsp);
for (int nn = 0; nn < nsp; nn++) {
spnames[nn] = (*allsp[nn])["name"];
}
}
string name;
for (i = 0; i < nsp; i++) {
name = spnames[i];
// Check that every species is only declared once
if (declared[name]) {
throw CanteraError("importPhase",
"duplicate species: "+name);
}
declared[name] = true;
/*
* Find the species in the database by name.
*/
XML_Node* s = db->findByAttr("name",spnames[i]);
if (s) {
if (installSpecies(k, *s, *th, spthermo, sprule[jsp]))
++k;
}
else {
throw CanteraError("importPhase","no data for species "
+name);
}
}
}
th->freezeSpecies();
th->initThermo();
setState(phase, th);
th->saveSpeciesData(db);
return true;
}
/**
* This function returns true if two reactions are duplicates of
* one another, and false otherwise. The input arguments are two
* maps from species number to stoichiometric coefficient, one for
* each reaction. The reactions are considered duplicates if their
* stoichiometric coefficients have the same ratio for all
* species.
*/
static bool isDuplicateReaction(map<int, doublereal>& r1, map<int, doublereal>& r2) {
map<int, doublereal>::const_iterator b = r1.begin(), e = r1.end();
int k1 = b->first;
doublereal ratio = r2[k1]/r1[k1];
if (r1[k1] == 0.0 || r2[k1] == 0.0) return false;
++b;
for (; b != e; ++b) {
k1 = b->first;
if (r1[k1] == 0.0 || r2[k1] == 0.0) return false;
if (fabs(r2[k1]/r1[k1] - ratio) > 1.e-8) return false;
}
return true;
}
/**
* Install an individual reaction into the kinetics mechanism
* object, k. The data for the reaction is in the xml_node
* r. In other words, r points directly to an ctml element named
* "reaction". i refers to the number id of the reaction
* in the kinetics object.
* other input
* ------------
* rule = Provides a rule for specifying how to handle reactions
* which involve missing species.
*/
static bool installReaction(int i, XML_Node& r, Kinetics* k,
string default_phase, int rule, bool check_for_duplicates) {
Kinetics& kin = *k;
/*
* We use the ReactionData object to store initial values read
* in from the xml data. Then, when we have collected everything
* we add the reaction to the kinetics object, k, at the end
* of the routine.
*/
ReactionData rdata;
rdata.reactionType = ELEMENTARY_RXN;
vector_int reac, prod;
string eqn, type;
int nn, eqlen;
vector_fp dummy;
int dup = 0;
if (r.hasAttrib("duplicate")) dup = 1;
int negA = 0;
if (r.hasAttrib("negative_A")) negA = 1;
/*
* This seemingly simple expression goes and finds the child element,
* "equation". Then it treats all of the contents of the "equation"
* as a string, and returns it the variable eqn. We post process
* the string to convert [ and ] characters into < and >, which cannot be
* stored in an XML file.
*/
if (r.hasChild("equation"))
eqn = r("equation");
else
eqn = "<no equation>";
eqlen = eqn.size();
for (nn = 0; nn < eqlen; nn++) {
if (eqn[nn] == '[') eqn[nn] = '<';
if (eqn[nn] == ']') eqn[nn] = '>';
}
bool ok;
// get the reactants
ok = getReagents(r, kin, 1, default_phase, rdata.reactants,
rdata.rstoich, rdata.order, rule);
/*
* Get the products. We store the id of products in rdata.products
*/
ok = ok && getReagents(r, kin, -1, default_phase, rdata.products,
rdata.pstoich, dummy, rule);
if (!ok) {
return false;
}
string isrev = r["reversible"];
if (isrev == "yes" || isrev == "true")
rdata.reversible = true;
if (check_for_duplicates) {
doublereal c = 0.0;
map<int, doublereal> rxnstoich;
rxnstoich.clear();
int nr = rdata.reactants.size();
for (nn = 0; nn < nr; nn++) {
rxnstoich[rdata.reactants[nn]] -= rdata.rstoich[nn];
}
int np = rdata.products.size();
for (nn = 0; nn < np; nn++) {
rxnstoich[rdata.products[nn]] += rdata.pstoich[nn];
}
int nrxns = _reactiondata.size();
for (nn = 0; nn < nrxns; nn++) {
c = isDuplicateReaction(rxnstoich, _reactiondata[nn]);
if (c > 0.0
|| (c < 0.0 && rdata.reversible)
|| (c < 0.0 && _rev[nn])) {
if ((!dup || !_dup[nn])) {
string msg = string("Undeclared duplicate reactions detected: \n")
+"Reaction "+int2str(nn+1)+": "+_eqn[nn]
+"\nReaction "+int2str(i+1)+": "+eqn+"\n";
_reactiondata.clear();
_eqn.clear();
_rev.clear();
_dup.clear();
throw CanteraError("installReaction",msg);
}
}
}
_dup.push_back(dup);
_rev.push_back(rdata.reversible);
_eqn.push_back(eqn);
_reactiondata.push_back(rxnstoich);
}
rdata.equation = eqn;
rdata.reversible = false;
rdata.number = i;
rdata.rxn_number = i;
/*
* Seaarch the reaction element for the attribute "type".
* If found, then branch on the type, to fill in appropriate
* fields in rdata.
*/
string typ = r["type"];
if (typ == "falloff") {
rdata.reactionType = FALLOFF_RXN;
rdata.falloffType = SIMPLE_FALLOFF;
}
else if (typ == "chemAct") {
rdata.reactionType = CHEMACT_RXN;
rdata.falloffType = SIMPLE_FALLOFF;
}
else if (typ == "threeBody") {
rdata.reactionType = THREE_BODY_RXN;
}
else if (typ == "surface") {
rdata.reactionType = SURFACE_RXN;
}
else if (typ != "")
throw CanteraError("installReaction",
"Unknown reaction type: " + typ);
getRateCoefficient(r.child("rateCoeff"), kin, rdata, negA);
/*
* Ok we have read everything in about the reaction. Add it
* to the kinetics object by calling the Kinetics member function,
* addReaction()
*/
kin.addReaction(rdata);
return true;
}
/**
* Take information from the XML tree, p, about reactions
* and install them into the kinetics object, kin.
* default_phase is the default phase to assume when
* looking up species.
*
* At this point, p usually refers to the phase xml element.
* One of the children of this element is reactionArray,
* the element which determines where in the xml file to
* look up the reaction rate data pertaining to the phase.
*
* On return, if reaction instantiation goes correctly, return true.
* If there is a problem, return false.
*/
bool installReactionArrays(XML_Node& p, Kinetics& kin,
string default_phase, bool check_for_duplicates) {
_eqn.clear();
_dup.clear();
_reactiondata.clear();
_rev.clear();
vector<XML_Node*> rarrays;
int itot = 0;
/*
* Search the children of the phase element for the
* xml element named reactionArray. If we can't find it,
* then return signaling having not found any reactions.
* Apparently, we allow multiple reactionArray elements here
* Each one will be processed sequentially, with the
* end result being purely additive.
*/
p.getChildren("reactionArray",rarrays);
int na = rarrays.size();
if (na == 0) return false;
for (int n = 0; n < na; n++) {
/*
* Go get a reference to the current xml element,
* reactionArray. We will process this element now.
*/
XML_Node& rxns = *rarrays[n];
/*
* The reactionArray element has an attribute called,
* datasrc. The value of the attribute is the xml
* element comprising the top of the
* tree of reactions for the phase.
* Find this datasrc element starting with the root
* of the current xml node.
*/
XML_Node* rdata = find_XML(rxns["datasrc"],&rxns.root(),
"","","reactionData");
/*
* If the reactionArray element has a child element named
* "skip", and if the attribute of skip called "species" has
* a value of "undeclared", we will set rxnrule = 1.
* rxnrule is passed to the routine that parses each individual
* reaction. I believe what this means is that the parser will
* skip all reactions containing an undefined species without
* throwing an error condition.
*/
int rxnrule = 0;
if (rxns.hasChild("skip")) {
XML_Node& sk = rxns.child("skip");
string sskip = sk["species"];
if (sskip == "undeclared") {
rxnrule = 1;
}
}
int i, nrxns = 0;
/*
* Search for child elements called include. We only include
* a reaction if it's tagged by one of the include fields.
* Or, we include all reactions if there are no include fields.
*/
vector<XML_Node*> incl;
rxns.getChildren("include",incl);
int ninc = incl.size();
vector<XML_Node*> allrxns;
rdata->getChildren("reaction",allrxns);
nrxns = allrxns.size();
// if no 'include' directive, then include all reactions
if (ninc == 0) {
for (i = 0; i < nrxns; i++) {
XML_Node* r = allrxns[i];
if (r) {
if (installReaction(itot, *r, &kin,
default_phase, rxnrule, check_for_duplicates)) ++itot;
}
}
}
else {
for (int nii = 0; nii < ninc; nii++) {
XML_Node& ii = *incl[nii];
string imin = ii["min"];
string imax = ii["max"];
for (i = 0; i < nrxns; i++) {
XML_Node* r = allrxns[i];
string rxid;
if (r) {
rxid = (*r)["id"];
/*
* To decide whether the reaction is included or not
* we do a lexical min max and operation. This
* sometimes has surprising results.
*/
if ((rxid >= imin) && (rxid <= imax)) {
if (installReaction(itot, *r, &kin,
default_phase, rxnrule, check_for_duplicates)) ++itot;
}
}
}
}
}
}
/*
* Finalize the installation of the kinetics, now that we know
* the true number of reactions in the mechanism, itot.
*/
kin.finalize();
writer = 0;
_eqn.clear();
_dup.clear();
_reactiondata.clear();
return true;
}
/**
* Import a reaction mechanism for a phase or an interface.
*/
bool importKinetics(XML_Node& phase, vector<ThermoPhase*> th,
Kinetics* k) {
Kinetics& kin = *k;
// This phase will be the default one
string default_phase = phase["id"];
bool check_for_duplicates = false;
if (phase.parent()->hasChild("validate")) {
XML_Node& d = phase.parent()->child("validate");
if (d["reactions"] == "yes") check_for_duplicates = true;
}
// if other phases are involved in the reaction mechanism,
// they must be listed in a 'phaseArray' child
// element. Homogeneous mechanisms do not need to include a
// phaseArray element.
vector<string> phase_ids;
if (phase.hasChild("phaseArray")) {
XML_Node& pa = phase.child("phaseArray");
getStringArray(pa, phase_ids);
}
phase_ids.push_back(default_phase);
int np = phase_ids.size();
int nt = th.size();
// for each referenced phase, attempt to find its id among those
// phases specified.
bool phase_ok;
string phase_id;
for (int n = 0; n < np; n++) {
phase_id = phase_ids[n];
phase_ok = false;
// loop over the supplied 'ThermoPhase' objects representing
// phases, to find an object with the same id.
for (int m = 0; m < nt; m++) {
if (th[m]->id() == phase_id) {
phase_ok = true;
// if no phase with this id has been added to
//the kinetics manager yet, then add this one
if (kin.phaseIndex(phase_id) < 0) {
kin.addPhase(*th[m]);
}
}
}
if (!phase_ok) {
throw CanteraError("importKinetics",
"phase "+phase_id+" not found.");
}
}
// allocates arrays, etc. Must be called after the phases have
// been added to 'kin', so that the number of species in each
// phase is known.
kin.init();
// Install the reactions.
return installReactionArrays(phase, kin, default_phase, check_for_duplicates);
}
/**
* Build a single-phase solution.
*/
bool buildSolutionFromXML(XML_Node& root, string id, string nm,
ThermoPhase* th, Kinetics* k) {
XML_Node* x;
x = find_XML("", &root, id, "", nm);
if (!x) return false;
/*
* Fill in the ThermoPhase object by querying the
* XML_Node tree located at x.
*/
importPhase(*x, th);
/*
* Create a vector of ThermoPhase pointers of length 1
* having the current th ThermoPhase as the entry.
*/
vector<ThermoPhase*> phases(1);
phases[0] = th;
/*
* Fill in the kinetics object k, by querying the
* XML_Node tree located by x. The source terms and
* eventually the source term vector will be constructed
* from the list of ThermoPhases in the vector, phases.
*/
importKinetics(*x, phases, k);
return true;
}
}
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