60 Flow1D(shared_ptr<ThermoPhase> th,
size_t nsp = 1,
size_t points = 1);
67 Flow1D(shared_ptr<Solution> sol,
const string&
id=
"",
size_t points=1);
76 void setupGrid(
size_t n,
const double* z)
override;
88 void setKinetics(shared_ptr<Kinetics> kin)
override;
104 m_do_soret = withSoret;
106 bool withSoret()
const {
125 return m_fluxGradientBasis;
142 void _finalize(
const double* x)
override;
158 m_do_energy[j] =
false;
163 return m_fixedtemp[j];
175 void show(
const double* x)
override;
177 shared_ptr<SolutionArray>
asArray(
const double* soln)
const override;
185 m_usesLambda =
false;
201 m_usesLambda =
false;
204 void solveEnergyEqn(
size_t j=
npos);
251 return m_epsilon_left;
256 return m_epsilon_right;
259 void fixTemperature(
size_t j=
npos);
318 bool doEnergy(
size_t j) {
319 return m_do_energy[j];
323 void resize(
size_t components,
size_t points)
override;
326 void setGas(
const double* x,
size_t j);
332 double density(
size_t j)
const {
357 void setViscosityFlag(
bool dovisc) {
381 void eval(
size_t jGlobal,
double* xGlobal,
double* rsdGlobal,
382 integer* diagGlobal,
double rdt)
override;
391 return m_kExcessRight;
418 for (
size_t j = j0; j <= j1; j++) {
438 virtual void updateProperties(
size_t jg,
double* x,
size_t jmin,
size_t jmax);
497 double rdt,
size_t jmin,
size_t jmax);
515 virtual void evalMomentum(
double* x,
double* rsd,
int* diag,
516 double rdt,
size_t jmin,
size_t jmax);
534 virtual void evalLambda(
double* x,
double* rsd,
int* diag,
535 double rdt,
size_t jmin,
size_t jmax);
555 virtual void evalEnergy(
double* x,
double* rsd,
int* diag,
556 double rdt,
size_t jmin,
size_t jmax);
572 virtual void evalSpecies(
double* x,
double* rsd,
int* diag,
573 double rdt,
size_t jmin,
size_t jmax);
585 double rdt,
size_t jmin,
size_t jmax);
593 virtual void evalContinuity(
size_t j,
double* x,
double* r,
int* diag,
double rdt);
610 virtual void evalUo(
double* x,
double* rsd,
int* diag,
611 double rdt,
size_t jmin,
size_t jmax);
616 double T(
const double* x,
size_t j)
const {
619 double& T(
double* x,
size_t j) {
622 double T_prev(
size_t j)
const {
626 double rho_u(
const double* x,
size_t j)
const {
630 double u(
const double* x,
size_t j)
const {
634 double V(
const double* x,
size_t j)
const {
637 double V_prev(
size_t j)
const {
641 double lambda(
const double* x,
size_t j)
const {
646 double Uo(
const double* x,
size_t j)
const {
650 double Y(
const double* x,
size_t k,
size_t j)
const {
654 double& Y(
double* x,
size_t k,
size_t j) {
658 double Y_prev(
size_t k,
size_t j)
const {
662 double X(
const double* x,
size_t k,
size_t j)
const {
663 return m_wtm[j]*Y(x,k,j)/m_wt[k];
666 double flux(
size_t k,
size_t j)
const {
675 double dVdz(
const double* x,
size_t j)
const {
676 size_t jloc = (u(x,j) > 0.0 ? j : j + 1);
677 return (V(x,jloc) - V(x,jloc-1))/m_dz[jloc-1];
680 double dYdz(
const double* x,
size_t k,
size_t j)
const {
681 size_t jloc = (u(x,j) > 0.0 ? j : j + 1);
682 return (Y(x,k,jloc) - Y(x,k,jloc-1))/m_dz[jloc-1];
685 double dTdz(
const double* x,
size_t j)
const {
686 size_t jloc = (u(x,j) > 0.0 ? j : j + 1);
687 return (T(x,jloc) - T(x,jloc-1))/m_dz[jloc-1];
691 double shear(
const double* x,
size_t j)
const {
692 double c1 = m_visc[j-1]*(V(x,j) - V(x,j-1));
693 double c2 = m_visc[j]*(V(x,j+1) - V(x,j));
694 return 2.0*(c2/(z(j+1) - z(j)) - c1/(z(j) - z(j-1)))/(z(j+1) - z(j-1));
697 double divHeatFlux(
const double* x,
size_t j)
const {
698 double c1 = m_tcon[j-1]*(T(x,j) - T(x,j-1));
699 double c2 = m_tcon[j]*(T(x,j+1) - T(x,j));
700 return -2.0*(c2/(z(j+1) - z(j)) - c1/(z(j) - z(j-1)))/(z(j+1) - z(j-1));
703 size_t mindex(
size_t k,
size_t j,
size_t m) {
708 virtual void grad_hk(
const double* x,
size_t j);
714 double m_press = -1.0;
728 vector<double> m_visc;
729 vector<double> m_tcon;
733 vector<double> m_multidiff;
753 double m_epsilon_left = 0.0;
754 double m_epsilon_right = 0.0;
761 vector<bool> m_do_energy;
762 bool m_do_soret =
false;
763 ThermoBasis m_fluxGradientBasis = ThermoBasis::molar;
764 vector<bool> m_do_species;
765 bool m_do_multicomponent =
false;
774 vector<double> m_fixedtemp;
775 vector<double> m_zfix;
776 vector<double> m_tfix;
782 size_t m_kExcessRight = 0;
811 vector<double> m_ybar;
Header file for class Cantera::Array2D.
Base class for kinetics managers and also contains the kineticsmgr module documentation (see Kinetics...
Header file for class ThermoPhase, the base class for phases with thermodynamic properties,...
A map of string keys to values whose type can vary at runtime.
A class for 2D arrays stored in column-major (Fortran-compatible) form.
Base class for one-dimensional domains.
double prevSoln(size_t n, size_t j) const
Value of component n at point j in the previous solution.
This class represents 1D flow domains that satisfy the one-dimensional similarity solution for chemic...
void setLeftControlPointTemperature(double temperature)
Sets the temperature of the left control point.
void eval(size_t jGlobal, double *xGlobal, double *rsdGlobal, integer *diagGlobal, double rdt) override
Evaluate the residual functions for axisymmetric stagnation flow.
void setTemperature(size_t j, double t)
Set the temperature fixed point at grid point j, and disable the energy equation so that the solution...
void setLeftControlPointCoordinate(double z_left)
Sets the coordinate of the left control point.
size_t m_kExcessLeft
Index of species with a large mass fraction at each boundary, for which the mass fraction may be calc...
void setMeta(const AnyMap &state) override
Retrieve meta data.
double m_zLeft
Location of the left control point when two-point control is enabled.
void setTransportModel(const string &trans)
Set the transport model.
void setRightControlPointCoordinate(double z_right)
Sets the coordinate of the right control point.
double leftEmissivity() const
Return emissivity at left boundary.
void setTransport(shared_ptr< Transport > trans) override
Set transport model to existing instance.
void setUnstrainedFlow()
Set flow configuration for burner-stabilized flames, using specified inlet mass fluxes.
void setKinetics(shared_ptr< Kinetics > kin) override
Set the kinetics manager.
void resetBadValues(double *xg) override
When called, this function should reset "bad" values in the state vector such as negative species con...
bool twoPointControlEnabled() const
Returns the status of the two-point control.
size_t rightExcessSpecies() const
Index of the species on the right boundary with the largest mass fraction.
vector< double > m_qdotRadiation
radiative heat loss vector
virtual void evalMomentum(double *x, double *rsd, int *diag, double rdt, size_t jmin, size_t jmax)
Evaluate the momentum equation residual.
double pressure() const
The current pressure [Pa].
void updateThermo(const double *x, size_t j0, size_t j1)
Update the thermodynamic properties from point j0 to point j1 (inclusive), based on solution x.
double m_tLeft
Temperature of the left control point when two-point control is enabled.
void setRightControlPointTemperature(double temperature)
Sets the temperature of the right control point.
void resize(size_t components, size_t points) override
Change the grid size. Called after grid refinement.
void enableSoret(bool withSoret)
Enable thermal diffusion, also known as Soret diffusion.
void setFixedTempProfile(vector< double > &zfixed, vector< double > &tfixed)
Sometimes it is desired to carry out the simulation using a specified temperature profile,...
virtual void evalContinuity(double *x, double *rsd, int *diag, double rdt, size_t jmin, size_t jmax)
Evaluate the continuity equation residual.
vector< double > m_cp
Vector of size m_nsp to cache specific heat capacities.
void enableTwoPointControl(bool twoPointControl)
Sets the status of the two-point control.
double m_tRight
Temperature of the right control point when two-point control is enabled.
void setBoundaryEmissivities(double e_left, double e_right)
Set the emissivities for the boundary values.
void setFluxGradientBasis(ThermoBasis fluxGradientBasis)
Compute species diffusive fluxes with respect to their mass fraction gradients (fluxGradientBasis = T...
virtual void evalEnergy(double *x, double *rsd, int *diag, double rdt, size_t jmin, size_t jmax)
Evaluate the energy equation residual.
void enableRadiation(bool doRadiation)
Turn radiation on / off.
vector< double > m_rho
Vector of size m_nsp to cache densities.
vector< double > m_diff
Array of size m_nsp by m_points for saving density times diffusion coefficient times species molar ma...
shared_ptr< SolutionArray > asArray(const double *soln) const override
Save the state of this domain as a SolutionArray.
size_t componentIndex(const string &name) const override
index of component with name name.
double rightEmissivity() const
Return emissivity at right boundary.
void setGas(const double *x, size_t j)
Set the gas object state to be consistent with the solution at point j.
ThermoBasis fluxGradientBasis() const
Compute species diffusive fluxes with respect to their mass fraction gradients (fluxGradientBasis = T...
double Uo(const double *x, size_t j) const
Solution component for oxidizer velocity,.
double m_tfixed
Temperature at the point used to fix the flame location.
bool radiationEnabled() const
Returns true if the radiation term in the energy equation is enabled.
virtual bool componentActive(size_t n) const
Returns true if the specified component is an active part of the solver state.
Array2D m_wdot
Array of size m_nsp by m_points for saving species production rates.
Array2D m_hk
Array of size m_nsp by m_points for saving molar enthalpies.
void setFreeFlow()
Set flow configuration for freely-propagating flames, using an internal point with a fixed temperatur...
virtual bool doElectricField(size_t j) const
Retrieve flag indicating whether electric field is solved or not (used by IonFlow specialization)
virtual void evalSpecies(double *x, double *rsd, int *diag, double rdt, size_t jmin, size_t jmax)
Evaluate the species equations' residuals.
void setupGrid(size_t n, const double *z) override
called to set up initial grid, and after grid refinement
size_t leftExcessSpecies() const
Index of the species on the left boundary with the largest mass fraction.
Array2D m_dhk_dz
Array of size m_nsp by m_points-1 for saving enthalpy fluxes.
virtual void evalElectricField(double *x, double *rsd, int *diag, double rdt, size_t jmin, size_t jmax)
Evaluate the electric field equation residual to be zero everywhere.
vector< double > m_wtm
Vector of size m_nsp to cache mean molecular weights.
double radiativeHeatLoss(size_t j) const
Return radiative heat loss at grid point j.
bool m_twoPointControl
Flag for activating two-point flame control.
double m_zfixed
Location of the point where temperature is fixed.
void _finalize(const double *x) override
In some cases, a domain may need to set parameters that depend on the initial solution estimate.
virtual size_t getSolvingStage() const
Get the solving stage (used by IonFlow specialization)
size_t m_nsp
Number of species in the mechanism.
virtual void evalLambda(double *x, double *rsd, int *diag, double rdt, size_t jmin, size_t jmax)
Evaluate the lambda equation residual.
void fromArray(SolutionArray &arr, double *soln) override
Restore the solution for this domain from a SolutionArray.
double leftControlPointCoordinate() const
Returns the z-coordinate of the left control point.
AnyMap getMeta() const override
Retrieve meta data.
virtual void updateDiffFluxes(const double *x, size_t j0, size_t j1)
Update the diffusive mass fluxes.
double leftControlPointTemperature() const
Returns the temperature at the left control point.
string componentName(size_t n) const override
Name of the nth component. May be overloaded.
bool isFree() const
Retrieve flag indicating whether flow is freely propagating.
void setGasAtMidpoint(const double *x, size_t j)
Set the gas state to be consistent with the solution at the midpoint between j and j + 1.
virtual void grad_hk(const double *x, size_t j)
Get the gradient of species specific molar enthalpies.
bool isStrained() const
Retrieve flag indicating whether flow uses radial momentum.
string transportModel() const
Retrieve transport model.
double rightControlPointCoordinate() const
Returns the z-coordinate of the right control point.
void computeRadiation(double *x, size_t jmin, size_t jmax)
Computes the radiative heat loss vector over points jmin to jmax and stores the data in the qdotRadia...
virtual void updateProperties(size_t jg, double *x, size_t jmin, size_t jmax)
Update the properties (thermo, transport, and diffusion flux).
virtual void evalUo(double *x, double *rsd, int *diag, double rdt, size_t jmin, size_t jmax)
Evaluate the oxidizer axial velocity equation residual.
string domainType() const override
Domain type flag.
void show(const double *x) override
Print the solution.
virtual void setSolvingStage(const size_t stage)
Solving stage mode for handling ionized species (used by IonFlow specialization)
void setPressure(double p)
Set the pressure.
virtual void fixElectricField(size_t j=npos)
Set to fix voltage in a point (used by IonFlow specialization)
void setAxisymmetricFlow()
Set flow configuration for axisymmetric counterflow flames, using specified inlet mass fluxes.
virtual void updateTransport(double *x, size_t j0, size_t j1)
Update the transport properties at grid points in the range from j0 to j1, based on solution x.
double m_zRight
Location of the right control point when two-point control is enabled.
virtual void solveElectricField(size_t j=npos)
Set to solve electric field in a point (used by IonFlow specialization)
void _getInitialSoln(double *x) override
Write the initial solution estimate into array x.
vector< size_t > m_kRadiating
Indices within the ThermoPhase of the radiating species.
double rightControlPointTemperature() const
Returns the temperature at the right control point.
double T_fixed(size_t j) const
The fixed temperature value at point j.
bool m_do_radiation
flag for the radiative heat loss
Public interface for kinetics managers.
virtual void getNetProductionRates(double *wdot)
Species net production rates [kmol/m^3/s or kmol/m^2/s].
double meanMolecularWeight() const
The mean molecular weight. Units: (kg/kmol)
virtual double density() const
Density (kg/m^3).
A container class holding arrays of state information.
Base class for a phase with thermodynamic properties.
virtual void getPartialMolarEnthalpies(double *hbar) const
Returns an array of partial molar enthalpies for the species in the mixture.
double cp_mass() const
Specific heat at constant pressure. Units: J/kg/K.
Base class for transport property managers.
Namespace for the Cantera kernel.
const size_t npos
index returned by functions to indicate "no position"
const double Undef
Fairly random number to be used to initialize variables against to see if they are subsequently defin...
offset
Offsets of solution components in the 1D solution array.
@ c_offset_U
axial velocity [m/s]
@ c_offset_E
electric field
@ c_offset_Y
mass fractions
@ c_offset_Uo
oxidizer axial velocity [m/s]
@ c_offset_T
temperature [kelvin]
ThermoBasis
Differentiate between mole fractions and mass fractions for input mixture composition.