cantera/include/kinetics.h
2003-04-14 17:57:48 +00:00

320 lines
9 KiB
C++

/**
* @file Kinetics.h
*
* $Author$
* $Revision$
* $Date$
*/
// Copyright 2001 California Institute of Technology
/**
* @defgroup kineticsGroup Kinetics
*/
#ifndef CT_KINETICS_H
#define CT_KINETICS_H
#include "ctexceptions.h"
//#include "Phase.h"
#include "ThermoPhase.h"
namespace Cantera {
class ReactionData;
/**
* Public interface for kinetics managers. This class serves as a
* base class to derive 'kinetics managers', which are classes
* that manage homogeneous chemistry within one phase.
*/
class Kinetics {
public:
// typedefs
typedef ThermoPhase thermo_t;
/// Constructor.
Kinetics() : m_ii(0), m_thermo(0), m_index(-1) {}
Kinetics(thermo_t* thermo)
: m_ii(0), m_index(-1) {
if (thermo) {
m_start.push_back(0);
m_thermo.push_back(thermo);
}
}
/// Destructor. Does nothing.
virtual ~Kinetics() {} // delete m_xml; }
int index(){ return m_index; }
void setIndex(int index) { m_index = index; }
//XML_Node& xml() { return *m_xml; }
/// Identifies subclass.
virtual int type() { return 0; }
int start(int n) { return m_start[n]; }
/// Number of reactions
int nReactions() const {return m_ii;}
/// Number of species
int nTotalSpecies() const {
int n=0, np;
np = nPhases();
for (int p = 0; p < np; p++) n += thermo(p).nSpecies();
return n;
}
/**
* Stoichiometric coefficient of species k as a reactant in
* reaction i.
*/
virtual doublereal reactantStoichCoeff(int k, int i) const {
err("reactantStoichCoeff");
return -1.0;
}
/**
* Stoichiometric coefficient of species k as a product in
* reaction i.
*/
virtual doublereal productStoichCoeff(int k, int i) const {
err("productStoichCoeff");
return -1.0;
}
/**
* Returns a read-only reference to the vector of reactant
* index numbers for reaction i.
*/
virtual const vector_int& reactants(int i) const {
return m_reactants[i];
}
virtual const vector_int& products(int i) const {
return m_products[i];
}
/**
* Flag specifying the type of reaction. The legal values and
* their meaning are specific to the particular kinetics
* manager.
*/
virtual int reactionType(int i) const {
err("reactionType");
return -1;
}
/**
* @name Reaction Rates Of Progress
*/
//@{
/**
* Forward rates of progress.
* Return the forward rates of progress in array fwdROP, which
* must be dimensioned at least as large as the total number
* of reactions.
*/
virtual void getFwdRatesOfProgress(doublereal* fwdROP) {
err("getFwdRatesOfProgress");
}
/**
* Reverse rates of progress.
* Return the reverse rates of progress in array revROP, which
* must be dimensioned at least as large as the total number
* of reactions.
*/
virtual void getRevRatesOfProgress(doublereal* revROP) {
err("getRevRatesOfProgress");
}
/**
* Net rates of progress. Return the net (forward - reverse)
* rates of progress in array netROP, which must be
* dimensioned at least as large as the total number of
* reactions.
*/
virtual void getNetRatesOfProgress(doublereal* netROP) {
err("getNetRatesOfProgress");
}
/**
* True if reaction i has been declared to be reversible. If
* isReversible(i) is false, then the reverse rate of progress
* for reaction i is always zero.
*/
virtual bool isReversible(int i){return false;}
/**
* Species creation rates [kmol/m^3]. Return the species
* creation rates in array cdot, which must be
* dimensioned at least as large as the total number of
* species.
*
*/
virtual void getCreationRates(doublereal* cdot) {
err("getCreationRates");
}
/**
* Species destruction rates [kmol/m^3]. Return the species
* destruction rates in array ddot, which must be
* dimensioned at least as large as the total number of
* species.
*
*/
virtual void getDestructionRates(doublereal* ddot) {
err("getDestructionRates");
}
/**
* Species net production rates [kmol/m^3]. Return the species
* net production rates (creation - destruction) in array
* wdot, which must be dimensioned at least as large as the
* total number of species.
*/
virtual void getNetProductionRates(doublereal* wdot) {
err("getNetProductionRates");
}
/**
* Equilibrium constants. Return the equilibrium constants of
* the reactions in concentration units in array kc, which
* must be dimensioned at least as large as the total number
* of reactions.
*/
virtual void getEquilibriumConstants(doublereal* kc) {
err("getEquilibriumConstants");
}
//@}
/**
* @name Reaction Mechanism Construction
*/
//@{
/**
* Get the nth Phase object.
*/
//phase_t& phase(int n=0) { return *m_phase[n]; }
//const phase_t& phase(int n=0) const { return *m_phase[n]; }
int nPhases() const { return m_thermo.size(); }
int phaseIndex(string ph) { return m_phaseindex[ph] - 1; }
/**
* Add a phase.
*/
void addPhase(thermo_t& thermo) {
if (m_thermo.size() > 0) {
m_start.push_back(m_start.back()
+ m_thermo.back()->nSpecies());
}
else {
m_start.push_back(0);
}
m_thermo.push_back(&thermo);
m_phaseindex[m_thermo.back()->id()] = nPhases();
}
thermo_t& thermo(int n=0) { return *m_thermo[n]; }
const thermo_t& thermo(int n=0) const { return *m_thermo[n]; }
thermo_t& phase(int n=0) { return *m_thermo[n]; }
const thermo_t& phase(int n=0) const { return *m_thermo[n]; }
int speciesIndex(int k, int n) {
return m_start[n] + k;
}
int speciesIndex(string nm, string ph = "<any>") {
int np = m_thermo.size();
int k;
string id;
for (int n = 0; n < np; n++) {
id = thermo(n).id();
if (ph == id) {
k = thermo(n).speciesIndex(nm);
if (k < 0) return -1;
return k + m_start[n];
}
else if (ph == "<any>") {
k = thermo(n).speciesIndex(nm);
if (k >= 0) return k + m_start[n];
}
}
return -2;
}
/**
* Prepare to add reactions.
*/
virtual void init() {err("init");}
/// Finished adding reactions. Prepare for use.
virtual void finalize() {err("finalize");}
virtual void addReaction(const ReactionData& r) {err("addReaction");}
virtual string reactionString(int i) const {
err("reactionString"); return "<null>";
}
virtual const vector<grouplist_t>& reactantGroups(int i)
{ err("reactantGroups"); return m_dummygroups; }
virtual const vector<grouplist_t>& productGroups(int i)
{ err("productGroups"); return m_dummygroups; }
/**
* @name Altering Reaction Rates
*
* These methods alter reaction rates. They are designed
* primarily for carrying out sensitivity analysis.
*/
//@{
/// The current value of the multiplier for reaction i.
doublereal multiplier(int i) const {return m_perturb[i];}
/// Set the multiplier for reaction i to f.
void setMultiplier(int i, doublereal f) {m_perturb[i] = f;}
//@}
void incrementRxnCount() { m_ii++; m_perturb.push_back(1.0); }
virtual bool ready() const {return false;}
protected:
int m_ii;
vector_fp m_perturb;
vector<vector_int> m_reactants;
vector<vector_int> m_products;
vector<thermo_t*> m_thermo;
vector_int m_start;
// XML_Node* m_xml;
map<string, int> m_phaseindex;
int m_index;
private:
vector<grouplist_t> m_dummygroups;
void err(string m) const {
throw CanteraError("Kinetics::"+m,"Base class method called.");
}
};
typedef Kinetics kinetics_t;
}
#endif