CoolProp::BicubicBackend Class Reference

Detailed Description

Definition at line 61 of file BicubicBackend.h.

#include <BicubicBackend.h>

Inheritance diagram for CoolProp::BicubicBackend:

Public Member Functions
	BicubicBackend (shared_ptr< CoolProp::AbstractState > AS)
	Instantiator; base class loads or makes tables. More...
void	set_mole_fractions (const std::vector< CoolPropDbl > &mole_fractions)
std::string	backend_name (void)
double	evaluate_single_phase_derivative (SinglePhaseGriddedTableData &table, std::vector< std::vector< CellCoeffs >> &coeffs, parameters output, double x, double y, std::size_t i, std::size_t j, std::size_t Nx, std::size_t Ny)
	Evaluate a derivative in terms of the native inputs of the table. More...
double	evaluate_single_phase_phmolar_derivative (parameters output, std::size_t i, std::size_t j, std::size_t Nx, std::size_t Ny)
double	evaluate_single_phase_pT_derivative (parameters output, std::size_t i, std::size_t j, std::size_t Nx, std::size_t Ny)
double	evaluate_single_phase (const SinglePhaseGriddedTableData &table, const std::vector< std::vector< CellCoeffs >> &coeffs, const parameters output, const double x, const double y, const std::size_t i, const std::size_t j)
double	evaluate_single_phase_phmolar (parameters output, std::size_t i, std::size_t j)
double	evaluate_single_phase_pT (parameters output, std::size_t i, std::size_t j)
virtual void	find_native_nearest_good_indices (SinglePhaseGriddedTableData &table, const std::vector< std::vector< CellCoeffs >> &coeffs, double x, double y, std::size_t &i, std::size_t &j)
	Ask the derived class to find the nearest good set of i,j that it wants to use (pure virtual) More...
virtual void	find_nearest_neighbor (SinglePhaseGriddedTableData &table, const std::vector< std::vector< CellCoeffs >> &coeffs, const parameters variable1, const double value1, const parameters otherkey, const double otherval, std::size_t &i, std::size_t &j)
	Ask the derived class to find the nearest neighbor (pure virtual) More...
double	evaluate_single_phase_transport (SinglePhaseGriddedTableData &table, parameters output, double x, double y, std::size_t i, std::size_t j)
	Evaluate the single-phase transport properties using linear interpolation. Works well except for near the critical point. More...
double	evaluate_single_phase_phmolar_transport (parameters output, std::size_t i, std::size_t j)
double	evaluate_single_phase_pT_transport (parameters output, std::size_t i, std::size_t j)
void	invert_single_phase_x (const SinglePhaseGriddedTableData &table, const std::vector< std::vector< CellCoeffs >> &coeffs, parameters other_key, double other, double y, std::size_t i, std::size_t j)
	Use the table to solve for the x variable of the table given the y coordinate of the table and a variable that can yield a unique solution for x. More...
void	invert_single_phase_y (const SinglePhaseGriddedTableData &table, const std::vector< std::vector< CellCoeffs >> &coeffs, parameters other_key, double other, double x, std::size_t i, std::size_t j)
	Use the single_phase table to solve for y given an x. More...
Public Member Functions inherited from CoolProp::TabularBackend
	TabularBackend (shared_ptr< CoolProp::AbstractState > AS)
bool	available_in_high_level (void)
std::string	calc_name (void)
	Using this backend, get the name of the fluid. More...
std::vector< std::string >	calc_fluid_names (void)
	Using this backend, get a vector of fluid names. More...
void	connect_pointers (parameters output, const SinglePhaseGriddedTableData &table)
void	recalculate_singlephase_phase ()
void	calc_specify_phase (phases phase_index)
	Specify the phase - this phase will always be used in calculations. More...
void	calc_unspecify_phase ()
	Unspecify the phase - the phase is no longer imposed, different solvers can do as they like. More...
phases	calc_phase (void)
	Using this backend, calculate the phase. More...
CoolPropDbl	calc_T_critical (void)
	Using this backend, get the critical point temperature in K. More...
CoolPropDbl	calc_Ttriple (void)
	Using this backend, get the triple point temperature in K. More...
CoolPropDbl	calc_p_triple (void)
	Using this backend, get the triple point pressure in Pa. More...
CoolPropDbl	calc_pmax (void)
	Using this backend, calculate the maximum pressure in Pa. More...
CoolPropDbl	calc_Tmax (void)
	Using this backend, calculate the maximum temperature in K. More...
CoolPropDbl	calc_Tmin (void)
	Using this backend, calculate the minimum temperature in K. More...
CoolPropDbl	calc_p_critical (void)
	Using this backend, get the critical point pressure in Pa. More...
CoolPropDbl	calc_rhomolar_critical (void)
	Using this backend, get the critical point molar density in mol/m^3. More...
bool	using_mole_fractions (void)
bool	using_mass_fractions (void)
bool	using_volu_fractions (void)
void	update (CoolProp::input_pairs input_pair, double Value1, double Value2)
	Update the state using two state variables. More...
void	set_mole_fractions (const std::vector< CoolPropDbl > &mole_fractions)
void	set_mass_fractions (const std::vector< CoolPropDbl > &mass_fractions)
const std::vector< CoolPropDbl > &	get_mole_fractions ()
	Get the mole fractions of the fluid. More...
const std::vector< CoolPropDbl >	calc_mass_fractions (void)
CoolPropDbl	calc_molar_mass (void)
	Using this backend, calculate the molar mass in kg/mol. More...
CoolPropDbl	calc_saturated_liquid_keyed_output (parameters key)
CoolPropDbl	calc_saturated_vapor_keyed_output (parameters key)
std::string	path_to_tables (void)
	Returns the path to the tables that shall be written. More...
void	load_tables ()
	Load the tables from file; throws UnableToLoadException if there is a problem. More...
void	pack_matrices ()
void	write_tables ()
	Write the tables to file. More...
CoolPropDbl	phase_envelope_sat (const PhaseEnvelopeData &env, parameters output, parameters iInput1, double value1)
CoolPropDbl	calc_cpmolar_idealgas (void)
	Using this backend, calculate the ideal gas molar constant-pressure specific heat in J/mol/K. More...
CoolPropDbl	calc_surface_tension (void)
	Calculate the surface tension using the wrapped class (fast enough) More...
CoolPropDbl	calc_p (void)
CoolPropDbl	calc_T (void)
	Using this backend, get the temperature. More...
CoolPropDbl	calc_rhomolar (void)
	Using this backend, get the molar density in mol/m^3. More...
CoolPropDbl	calc_hmolar (void)
	Using this backend, calculate the molar enthalpy in J/mol. More...
CoolPropDbl	calc_smolar (void)
	Using this backend, calculate the molar entropy in J/mol/K. More...
CoolPropDbl	calc_umolar (void)
	Using this backend, calculate the molar internal energy in J/mol. More...
CoolPropDbl	calc_cpmolar (void)
	Using this backend, calculate the molar constant-pressure specific heat in J/mol/K. More...
CoolPropDbl	calc_cvmolar (void)
	Using this backend, calculate the molar constant-volume specific heat in J/mol/K. More...
CoolPropDbl	calc_viscosity (void)
	Using this backend, calculate the viscosity in Pa-s. More...
CoolPropDbl	calc_conductivity (void)
	Using this backend, calculate the thermal conductivity in W/m/K. More...
CoolPropDbl	calc_speed_sound (void)
	Calculate the speed of sound using a tabular backend [m/s]. More...
CoolPropDbl	calc_first_partial_deriv (parameters Of, parameters Wrt, parameters Constant)
	Calculate the first partial derivative for the desired derivative. More...
CoolPropDbl	calc_first_saturation_deriv (parameters Of1, parameters Wrt1)
CoolPropDbl	calc_first_two_phase_deriv (parameters Of, parameters Wrt, parameters Constant)
CoolPropDbl	calc_first_two_phase_deriv_splined (parameters Of, parameters Wrt, parameters Constant, CoolPropDbl x_end)
	If you need all three values (drho_dh__p, drho_dp__h and rho_spline), you should calculate drho_dp__h first to avoid duplicate calculations. More...
void	check_tables ()
Public Member Functions inherited from CoolProp::AbstractState
	AbstractState ()
virtual	~AbstractState ()
void	set_T (CoolPropDbl T)
	Set the internal variable T without a flash call (expert use only!) More...
virtual void	set_volu_fractions (const std::vector< CoolPropDbl > &mass_fractions)
virtual void	set_reference_stateS (const std::string &reference_state)
	Set the reference state based on a string representation. More...
virtual void	set_reference_stateD (double T, double rhomolar, double hmolar0, double smolar0)
std::vector< CoolPropDbl >	mole_fractions_liquid (void)
	Get the mole fractions of the equilibrium liquid phase. More...
std::vector< double >	mole_fractions_liquid_double (void)
	Get the mole fractions of the equilibrium liquid phase (but as a double for use in SWIG wrapper) More...
std::vector< CoolPropDbl >	mole_fractions_vapor (void)
	Get the mole fractions of the equilibrium vapor phase. More...
std::vector< double >	mole_fractions_vapor_double (void)
	Get the mole fractions of the equilibrium vapor phase (but as a double for use in SWIG wrapper) More...
virtual const std::vector< CoolPropDbl >	get_mass_fractions (void)
	Get the mass fractions of the fluid. More...
virtual void	update_with_guesses (CoolProp::input_pairs input_pair, double Value1, double Value2, const GuessesStructure &guesses)
virtual std::string	fluid_param_string (const std::string &)
	Return a string from the backend for the mixture/fluid - backend dependent - could be CAS #, name, etc. More...
std::vector< std::string >	fluid_names (void)
	Return a vector of strings of the fluid names that are in use. More...
virtual const double	get_fluid_constant (std::size_t i, parameters param) const
virtual void	set_binary_interaction_double (const std::string &CAS1, const std::string &CAS2, const std::string &parameter, const double value)
	Set binary mixture floating point parameter (EXPERT USE ONLY!!!) More...
virtual void	set_binary_interaction_double (const std::size_t i, const std::size_t j, const std::string &parameter, const double value)
	Set binary mixture floating point parameter (EXPERT USE ONLY!!!) More...
virtual void	set_binary_interaction_string (const std::string &CAS1, const std::string &CAS2, const std::string &parameter, const std::string &value)
	Set binary mixture string parameter (EXPERT USE ONLY!!!) More...
virtual void	set_binary_interaction_string (const std::size_t i, const std::size_t j, const std::string &parameter, const std::string &value)
	Set binary mixture string parameter (EXPERT USE ONLY!!!) More...
virtual double	get_binary_interaction_double (const std::string &CAS1, const std::string &CAS2, const std::string &parameter)
	Get binary mixture double value (EXPERT USE ONLY!!!) More...
virtual double	get_binary_interaction_double (const std::size_t i, const std::size_t j, const std::string &parameter)
	Get binary mixture double value (EXPERT USE ONLY!!!) More...
virtual std::string	get_binary_interaction_string (const std::string &CAS1, const std::string &CAS2, const std::string &parameter)
	Get binary mixture string value (EXPERT USE ONLY!!!) More...
virtual void	apply_simple_mixing_rule (std::size_t i, std::size_t j, const std::string &model)
	Apply a simple mixing rule (EXPERT USE ONLY!!!) More...
virtual void	set_cubic_alpha_C (const size_t i, const std::string &parameter, const double c1, const double c2, const double c3)
	Set the cubic alpha function's constants: More...
virtual void	set_fluid_parameter_double (const size_t i, const std::string &parameter, const double value)
	Set fluid parameter (currently the volume translation parameter for cubic) More...
virtual double	get_fluid_parameter_double (const size_t i, const std::string &parameter)
	Double fluid parameter (currently the volume translation parameter for cubic) More...
virtual bool	clear ()
	Clear all the cached values. More...
virtual bool	clear_comp_change ()
	When the composition changes, clear all cached values that are only dependent on composition, but not the thermodynamic state. More...
virtual const CoolProp::SimpleState &	get_reducing_state ()
const CoolProp::SimpleState &	get_state (const std::string &state)
	Get a desired state point - backend dependent. More...
double	Tmin (void)
	Get the minimum temperature in K. More...
double	Tmax (void)
	Get the maximum temperature in K. More...
double	pmax (void)
	Get the maximum pressure in Pa. More...
double	Ttriple (void)
	Get the triple point temperature in K. More...
phases	phase (void)
	Get the phase of the state. More...
void	specify_phase (phases phase)
	Specify the phase for all further calculations with this state class. More...
void	unspecify_phase (void)
	Unspecify the phase and go back to calculating it based on the inputs. More...
double	T_critical (void)
	Return the critical temperature in K. More...
double	p_critical (void)
	Return the critical pressure in Pa. More...
double	rhomolar_critical (void)
	Return the critical molar density in mol/m^3. More...
double	rhomass_critical (void)
	Return the critical mass density in kg/m^3. More...
std::vector< CriticalState >	all_critical_points (void)
	Return the vector of critical points, including points that are unstable or correspond to negative pressure. More...
void	build_spinodal ()
	Construct the spinodal curve for the mixture (or pure fluid) More...
SpinodalData	get_spinodal_data ()
	Get the data from the spinodal curve constructed in the call to build_spinodal() More...
void	criticality_contour_values (double &L1star, double &M1star)
	Calculate the criticality contour values \(\mathcal{L}_1^*\) and \(\mathcal{M}_1^*\). More...
double	tangent_plane_distance (const double T, const double p, const std::vector< double > &w, const double rhomolar_guess=-1)
double	T_reducing (void)
	Return the reducing point temperature in K. More...
double	rhomolar_reducing (void)
	Return the molar density at the reducing point in mol/m^3. More...
double	rhomass_reducing (void)
	Return the mass density at the reducing point in kg/m^3. More...
double	p_triple (void)
	Return the triple point pressure in Pa. More...
std::string	name ()
	Return the name - backend dependent. More...
std::string	description ()
	Return the description - backend dependent. More...
double	dipole_moment ()
	Return the dipole moment in C-m (1 D = 3.33564e-30 C-m) More...
double	keyed_output (parameters key)
	Retrieve a value by key. More...
double	trivial_keyed_output (parameters key)
	A trivial keyed output like molar mass that does not depend on the state. More...
double	saturated_liquid_keyed_output (parameters key)
	Get an output from the saturated liquid state by key. More...
double	saturated_vapor_keyed_output (parameters key)
	Get an output from the saturated vapor state by key. More...
double	T (void)
	Return the temperature in K. More...
double	rhomolar (void)
	Return the molar density in mol/m^3. More...
double	rhomass (void)
	Return the mass density in kg/m^3. More...
double	p (void)
	Return the pressure in Pa. More...
double	Q (void)
	Return the vapor quality (mol/mol); Q = 0 for saturated liquid. More...
double	tau (void)
	Return the reciprocal of the reduced temperature ( \(\tau = T_c/T\)) More...
double	delta (void)
	Return the reduced density ( \(\delta = \rho/\rho_c\)) More...
double	molar_mass (void)
	Return the molar mass in kg/mol. More...
double	acentric_factor (void)
	Return the acentric factor. More...
double	gas_constant (void)
	Return the mole-fraction weighted gas constant in J/mol/K. More...
double	Bvirial (void)
	Return the B virial coefficient. More...
double	dBvirial_dT (void)
	Return the derivative of the B virial coefficient with respect to temperature. More...
double	Cvirial (void)
	Return the C virial coefficient. More...
double	dCvirial_dT (void)
	Return the derivative of the C virial coefficient with respect to temperature. More...
double	compressibility_factor (void)
	Return the compressibility factor \( Z = p/(rho R T) \). More...
double	hmolar (void)
	Return the molar enthalpy in J/mol. More...
double	hmolar_residual (void)
	Return the residual molar enthalpy in J/mol. More...
double	hmass (void)
	Return the mass enthalpy in J/kg. More...
double	hmolar_excess (void)
	Return the excess molar enthalpy in J/mol. More...
double	hmass_excess (void)
	Return the excess mass enthalpy in J/kg. More...
double	smolar (void)
	Return the molar entropy in J/mol/K. More...
double	smolar_residual (void)
	Return the residual molar entropy (as a function of temperature and density) in J/mol/K. More...
double	smass (void)
	Return the molar entropy in J/kg/K. More...
double	smolar_excess (void)
	Return the molar entropy in J/mol/K. More...
double	smass_excess (void)
	Return the molar entropy in J/kg/K. More...
double	umolar (void)
	Return the molar internal energy in J/mol. More...
double	umass (void)
	Return the mass internal energy in J/kg. More...
double	umolar_excess (void)
	Return the excess internal energy in J/mol. More...
double	umass_excess (void)
	Return the excess internal energy in J/kg. More...
double	cpmolar (void)
	Return the molar constant pressure specific heat in J/mol/K. More...
double	cpmass (void)
	Return the mass constant pressure specific heat in J/kg/K. More...
double	cp0molar (void)
	Return the molar constant pressure specific heat for ideal gas part only in J/mol/K. More...
double	cp0mass (void)
	Return the mass constant pressure specific heat for ideal gas part only in J/kg/K. More...
double	cvmolar (void)
	Return the molar constant volume specific heat in J/mol/K. More...
double	cvmass (void)
	Return the mass constant volume specific heat in J/kg/K. More...
double	gibbsmolar (void)
	Return the Gibbs energy in J/mol. More...
double	gibbsmolar_residual (void)
	Return the residual Gibbs energy in J/mol. More...
double	gibbsmass (void)
	Return the Gibbs energy in J/kg. More...
double	gibbsmolar_excess (void)
	Return the excess Gibbs energy in J/mol. More...
double	gibbsmass_excess (void)
	Return the excess Gibbs energy in J/kg. More...
double	helmholtzmolar (void)
	Return the Helmholtz energy in J/mol. More...
double	helmholtzmass (void)
	Return the Helmholtz energy in J/kg. More...
double	helmholtzmolar_excess (void)
	Return the excess Helmholtz energy in J/mol. More...
double	helmholtzmass_excess (void)
	Return the excess Helmholtz energy in J/kg. More...
double	volumemolar_excess (void)
	Return the excess volume in m^3/mol. More...
double	volumemass_excess (void)
	Return the excess volume in m^3/kg. More...
double	speed_sound (void)
	Return the speed of sound in m/s. More...
double	isothermal_compressibility (void)
	Return the isothermal compressibility \( \kappa = -\frac{1}{v}\left.\frac{\partial v}{\partial p}\right|_T=\frac{1}{\rho}\left.\frac{\partial \rho}{\partial p}\right|_T\) in 1/Pa. More...
double	isobaric_expansion_coefficient (void)
	Return the isobaric expansion coefficient \( \beta = \frac{1}{v}\left.\frac{\partial v}{\partial T}\right|_p = -\frac{1}{\rho}\left.\frac{\partial \rho}{\partial T}\right|_p\) in 1/K. More...
double	isentropic_expansion_coefficient (void)
	Return the isentropic expansion coefficient \( \kappa_s = -\frac{c_p}{c_v}\frac{v}{p}\left.\frac{\partial p}{\partial v}\right|_T = \frac{\rho}{p}\left.\frac{\partial p}{\partial \rho}\right|_s\). More...
double	fugacity_coefficient (std::size_t i)
	Return the fugacity coefficient of the i-th component of the mixture. More...
std::vector< double >	fugacity_coefficients ()
	Return a vector of the fugacity coefficients for all components in the mixture. More...
double	fugacity (std::size_t i)
	Return the fugacity of the i-th component of the mixture. More...
double	chemical_potential (std::size_t i)
	Return the chemical potential of the i-th component of the mixture. More...
double	fundamental_derivative_of_gas_dynamics (void)
	Return the fundamental derivative of gas dynamics \( \Gamma \). More...
double	PIP ()
	Return the phase identification parameter (PIP) of G. Venkatarathnam and L.R. Oellrich, "Identification of the phase of a fluid using partial derivatives of pressure, volume, and temperature without reference to saturation properties: Applications in phase equilibria calculations". More...
void	true_critical_point (double &T, double &rho)
	Calculate the "true" critical point for pure fluids where dpdrho|T and d2p/drho2|T are equal to zero. More...
void	ideal_curve (const std::string &type, std::vector< double > &T, std::vector< double > &p)
	Calculate an ideal curve for a pure fluid. More...
CoolPropDbl	first_partial_deriv (parameters Of, parameters Wrt, parameters Constant)
	The first partial derivative in homogeneous phases. More...
CoolPropDbl	second_partial_deriv (parameters Of1, parameters Wrt1, parameters Constant1, parameters Wrt2, parameters Constant2)
	The second partial derivative in homogeneous phases. More...
CoolPropDbl	first_saturation_deriv (parameters Of1, parameters Wrt1)
	The first partial derivative along the saturation curve. More...
CoolPropDbl	second_saturation_deriv (parameters Of1, parameters Wrt1, parameters Wrt2)
	The second partial derivative along the saturation curve. More...
double	first_two_phase_deriv (parameters Of, parameters Wrt, parameters Constant)
	Calculate the first "two-phase" derivative as described by Thorade and Sadaat, EAS, 2013. More...
double	second_two_phase_deriv (parameters Of, parameters Wrt1, parameters Constant1, parameters Wrt2, parameters Constant2)
	Calculate the second "two-phase" derivative as described by Thorade and Sadaat, EAS, 2013. More...
double	first_two_phase_deriv_splined (parameters Of, parameters Wrt, parameters Constant, double x_end)
	Calculate the first "two-phase" derivative as described by Thorade and Sadaat, EAS, 2013. More...
void	build_phase_envelope (const std::string &type="")
	Construct the phase envelope for a mixture. More...
const CoolProp::PhaseEnvelopeData &	get_phase_envelope_data ()
	After having calculated the phase envelope, return the phase envelope data. More...
virtual bool	has_melting_line (void)
	Return true if the fluid has a melting line - default is false, but can be re-implemented by derived class. More...
double	melting_line (int param, int given, double value)
double	saturation_ancillary (parameters param, int Q, parameters given, double value)
double	viscosity (void)
	Return the viscosity in Pa-s. More...
void	viscosity_contributions (CoolPropDbl &dilute, CoolPropDbl &initial_density, CoolPropDbl &residual, CoolPropDbl &critical)
	Return the viscosity contributions, each in Pa-s. More...
double	conductivity (void)
	Return the thermal conductivity in W/m/K. More...
void	conductivity_contributions (CoolPropDbl &dilute, CoolPropDbl &initial_density, CoolPropDbl &residual, CoolPropDbl &critical)
	Return the thermal conductivity contributions, each in W/m/K. More...
double	surface_tension (void)
	Return the surface tension in N/m. More...
double	Prandtl (void)
	Return the Prandtl number (dimensionless) More...
void	conformal_state (const std::string &reference_fluid, CoolPropDbl &T, CoolPropDbl &rhomolar)
	Find the conformal state needed for ECS. More...
void	change_EOS (const std::size_t i, const std::string &EOS_name)
	Change the equation of state for a given component to a specified EOS. More...
CoolPropDbl	alpha0 (void)
	Return the term \( \alpha^0 \). More...
CoolPropDbl	dalpha0_dDelta (void)
	Return the term \( \alpha^0_{\delta} \). More...
CoolPropDbl	dalpha0_dTau (void)
	Return the term \( \alpha^0_{\tau} \). More...
CoolPropDbl	d2alpha0_dDelta2 (void)
	Return the term \( \alpha^0_{\delta\delta} \). More...
CoolPropDbl	d2alpha0_dDelta_dTau (void)
	Return the term \( \alpha^0_{\delta\tau} \). More...
CoolPropDbl	d2alpha0_dTau2 (void)
	Return the term \( \alpha^0_{\tau\tau} \). More...
CoolPropDbl	d3alpha0_dTau3 (void)
	Return the term \( \alpha^0_{\tau\tau\tau} \). More...
CoolPropDbl	d3alpha0_dDelta_dTau2 (void)
	Return the term \( \alpha^0_{\delta\tau\tau} \). More...
CoolPropDbl	d3alpha0_dDelta2_dTau (void)
	Return the term \( \alpha^0_{\delta\delta\tau} \). More...
CoolPropDbl	d3alpha0_dDelta3 (void)
	Return the term \( \alpha^0_{\delta\delta\delta} \). More...
CoolPropDbl	alphar (void)
	Return the term \( \alpha^r \). More...
CoolPropDbl	dalphar_dDelta (void)
	Return the term \( \alpha^r_{\delta} \). More...
CoolPropDbl	dalphar_dTau (void)
	Return the term \( \alpha^r_{\tau} \). More...
CoolPropDbl	d2alphar_dDelta2 (void)
	Return the term \( \alpha^r_{\delta\delta} \). More...
CoolPropDbl	d2alphar_dDelta_dTau (void)
	Return the term \( \alpha^r_{\delta\tau} \). More...
CoolPropDbl	d2alphar_dTau2 (void)
	Return the term \( \alpha^r_{\tau\tau} \). More...
CoolPropDbl	d3alphar_dDelta3 (void)
	Return the term \( \alpha^r_{\delta\delta\delta} \). More...
CoolPropDbl	d3alphar_dDelta2_dTau (void)
	Return the term \( \alpha^r_{\delta\delta\tau} \). More...
CoolPropDbl	d3alphar_dDelta_dTau2 (void)
	Return the term \( \alpha^r_{\delta\tau\tau} \). More...
CoolPropDbl	d3alphar_dTau3 (void)
	Return the term \( \alpha^r_{\tau\tau\tau} \). More...
CoolPropDbl	d4alphar_dDelta4 (void)
	Return the term \( \alpha^r_{\delta\delta\delta\delta} \). More...
CoolPropDbl	d4alphar_dDelta3_dTau (void)
	Return the term \( \alpha^r_{\delta\delta\delta\tau} \). More...
CoolPropDbl	d4alphar_dDelta2_dTau2 (void)
	Return the term \( \alpha^r_{\delta\delta\tau\tau} \). More...
CoolPropDbl	d4alphar_dDelta_dTau3 (void)
	Return the term \( \alpha^r_{\delta\tau\tau\tau} \). More...
CoolPropDbl	d4alphar_dTau4 (void)
	Return the term \( \alpha^r_{\tau\tau\tau\tau} \). More...

Additional Inherited Members
Static Public Member Functions inherited from CoolProp::AbstractState
static AbstractState *	factory (const std::string &backend, const std::string &fluid_names)
	A factory function to return a pointer to a new-allocated instance of one of the backends. More...
static AbstractState *	factory (const std::string &backend, const std::vector< std::string > &fluid_names)
	A factory function to return a pointer to a new-allocated instance of one of the backends. More...
Public Attributes inherited from CoolProp::TabularBackend
shared_ptr< CoolProp::AbstractState >	AS
TabularDataSet *	dataset
Protected Types inherited from CoolProp::TabularBackend
enum	selected_table_options { SELECTED_NO_TABLE = 0 , SELECTED_PH_TABLE , SELECTED_PT_TABLE }
Protected Member Functions inherited from CoolProp::AbstractState
bool	isSupercriticalPhase (void)
bool	isHomogeneousPhase (void)
bool	isTwoPhase (void)
virtual CoolPropDbl	calc_hmolar_residual (void)
	Using this backend, calculate the residual molar enthalpy in J/mol. More...
virtual CoolPropDbl	calc_smolar_residual (void)
	Using this backend, calculate the residual molar entropy in J/mol/K. More...
virtual CoolPropDbl	calc_gibbsmolar (void)
	Using this backend, calculate the molar Gibbs function in J/mol. More...
virtual CoolPropDbl	calc_gibbsmolar_residual (void)
	Using this backend, calculate the residual molar Gibbs function in J/mol. More...
virtual CoolPropDbl	calc_helmholtzmolar (void)
	Using this backend, calculate the molar Helmholtz energy in J/mol. More...
virtual CoolPropDbl	calc_isothermal_compressibility (void)
	Using this backend, calculate the isothermal compressibility \( \kappa = -\frac{1}{v}\left.\frac{\partial v}{\partial p}\right|_T=\frac{1}{\rho}\left.\frac{\partial \rho}{\partial p}\right|_T\) in 1/Pa. More...
virtual CoolPropDbl	calc_isobaric_expansion_coefficient (void)
	Using this backend, calculate the isobaric expansion coefficient \( \beta = \frac{1}{v}\left.\frac{\partial v}{\partial T}\right|_p = -\frac{1}{\rho}\left.\frac{\partial \rho}{\partial T}\right|_p\) in 1/K. More...
virtual CoolPropDbl	calc_isentropic_expansion_coefficient (void)
	Using this backend, calculate the isentropic expansion coefficient \( \kappa_s = -\frac{c_p}{c_v}\frac{v}{p}\left.\frac{\partial p}{\partial v}\right|_T = \frac{\rho}{p}\left.\frac{\partial p}{\partial \rho}\right|_s\). More...
virtual CoolPropDbl	calc_acentric_factor (void)
	Using this backend, calculate the acentric factor. More...
virtual CoolPropDbl	calc_pressure (void)
	Using this backend, calculate the pressure in Pa. More...
virtual CoolPropDbl	calc_gas_constant (void)
	Using this backend, calculate the universal gas constant \(R_u\) in J/mol/K. More...
virtual CoolPropDbl	calc_fugacity_coefficient (std::size_t i)
	Using this backend, calculate the fugacity coefficient (dimensionless) More...
virtual std::vector< CoolPropDbl >	calc_fugacity_coefficients ()
	Using this backend, calculate the fugacity in Pa. More...
virtual CoolPropDbl	calc_fugacity (std::size_t i)
	Using this backend, calculate the fugacity in Pa. More...
virtual CoolPropDbl	calc_chemical_potential (std::size_t i)
	Using this backend, calculate the chemical potential in J/mol. More...
virtual CoolPropDbl	calc_PIP (void)
	Using this backend, calculate the phase identification parameter (PIP) More...
virtual void	calc_excess_properties (void)
	Using this backend, calculate and cache the excess properties. More...
virtual CoolPropDbl	calc_alphar (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r\) (dimensionless) More...
virtual CoolPropDbl	calc_dalphar_dDelta (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\delta}\) (dimensionless) More...
virtual CoolPropDbl	calc_dalphar_dTau (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d2alphar_dDelta2 (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\delta\delta}\) (dimensionless) More...
virtual CoolPropDbl	calc_d2alphar_dDelta_dTau (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\delta\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d2alphar_dTau2 (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\tau\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d3alphar_dDelta3 (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\delta\delta\delta}\) (dimensionless) More...
virtual CoolPropDbl	calc_d3alphar_dDelta2_dTau (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\delta\delta\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d3alphar_dDelta_dTau2 (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\delta\tau\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d3alphar_dTau3 (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\tau\tau\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d4alphar_dDelta4 (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\delta\delta\delta\delta}\) (dimensionless) More...
virtual CoolPropDbl	calc_d4alphar_dDelta3_dTau (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\delta\delta\delta\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d4alphar_dDelta2_dTau2 (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\delta\delta\tau\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d4alphar_dDelta_dTau3 (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\delta\tau\tau\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d4alphar_dTau4 (void)
	Using this backend, calculate the residual Helmholtz energy term \(\alpha^r_{\tau\tau\tau\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_alpha0 (void)
	Using this backend, calculate the ideal-gas Helmholtz energy term \(\alpha^0\) (dimensionless) More...
virtual CoolPropDbl	calc_dalpha0_dDelta (void)
	Using this backend, calculate the ideal-gas Helmholtz energy term \(\alpha^0_{\delta}\) (dimensionless) More...
virtual CoolPropDbl	calc_dalpha0_dTau (void)
	Using this backend, calculate the ideal-gas Helmholtz energy term \(\alpha^0_{\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d2alpha0_dDelta_dTau (void)
	Using this backend, calculate the ideal-gas Helmholtz energy term \(\alpha^0_{\delta\delta}\) (dimensionless) More...
virtual CoolPropDbl	calc_d2alpha0_dDelta2 (void)
	Using this backend, calculate the ideal-gas Helmholtz energy term \(\alpha^0_{\delta\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d2alpha0_dTau2 (void)
	Using this backend, calculate the ideal-gas Helmholtz energy term \(\alpha^0_{\tau\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d3alpha0_dDelta3 (void)
	Using this backend, calculate the ideal-gas Helmholtz energy term \(\alpha^0_{\delta\delta\delta}\) (dimensionless) More...
virtual CoolPropDbl	calc_d3alpha0_dDelta2_dTau (void)
	Using this backend, calculate the ideal-gas Helmholtz energy term \(\alpha^0_{\delta\delta\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d3alpha0_dDelta_dTau2 (void)
	Using this backend, calculate the ideal-gas Helmholtz energy term \(\alpha^0_{\delta\tau\tau}\) (dimensionless) More...
virtual CoolPropDbl	calc_d3alpha0_dTau3 (void)
	Using this backend, calculate the ideal-gas Helmholtz energy term \(\alpha^0_{\tau\tau\tau}\) (dimensionless) More...
virtual void	calc_reducing_state (void)
virtual CoolPropDbl	calc_GWP20 (void)
	Using this backend, calculate the 20-year global warming potential (GWP) More...
virtual CoolPropDbl	calc_GWP100 (void)
	Using this backend, calculate the 100-year global warming potential (GWP) More...
virtual CoolPropDbl	calc_GWP500 (void)
	Using this backend, calculate the 500-year global warming potential (GWP) More...
virtual CoolPropDbl	calc_ODP (void)
	Using this backend, calculate the ozone depletion potential (ODP) More...
virtual CoolPropDbl	calc_flame_hazard (void)
	Using this backend, calculate the flame hazard. More...
virtual CoolPropDbl	calc_health_hazard (void)
	Using this backend, calculate the health hazard. More...
virtual CoolPropDbl	calc_physical_hazard (void)
	Using this backend, calculate the physical hazard. More...
virtual CoolPropDbl	calc_dipole_moment (void)
	Using this backend, calculate the dipole moment in C-m (1 D = 3.33564e-30 C-m) More...
virtual CoolPropDbl	calc_second_partial_deriv (parameters Of1, parameters Wrt1, parameters Constant1, parameters Wrt2, parameters Constant2)
	Calculate the second partial derivative using the given backend. More...
virtual CoolPropDbl	calc_reduced_density (void)
	Using this backend, calculate the reduced density (rho/rhoc) More...
virtual CoolPropDbl	calc_reciprocal_reduced_temperature (void)
	Using this backend, calculate the reciprocal reduced temperature (Tc/T) More...
virtual CoolPropDbl	calc_Bvirial (void)
	Using this backend, calculate the second virial coefficient. More...
virtual CoolPropDbl	calc_Cvirial (void)
	Using this backend, calculate the third virial coefficient. More...
virtual CoolPropDbl	calc_dBvirial_dT (void)
	Using this backend, calculate the derivative dB/dT. More...
virtual CoolPropDbl	calc_dCvirial_dT (void)
	Using this backend, calculate the derivative dC/dT. More...
virtual CoolPropDbl	calc_compressibility_factor (void)
	Using this backend, calculate the compressibility factor Z \( Z = p/(\rho R T) \). More...
virtual std::string	calc_description (void)
	Using this backend, get the description of the fluid. More...
virtual CoolPropDbl	calc_T_reducing (void)
	Using this backend, get the reducing point temperature in K. More...
virtual CoolPropDbl	calc_p_reducing (void)
	Using this backend, get the reducing point pressure in Pa. More...
virtual CoolPropDbl	calc_rhomass_critical (void)
	Using this backend, get the critical point mass density in kg/m^3 - Added for IF97Backend which is mass based. More...
virtual CoolPropDbl	calc_rhomolar_reducing (void)
	Using this backend, get the reducing point molar density in mol/m^3. More...
virtual void	calc_phase_envelope (const std::string &type)
	Using this backend, construct the phase envelope, the variable type describes the type of phase envelope to be built. More...
virtual CoolPropDbl	calc_rhomass (void)
virtual CoolPropDbl	calc_hmass (void)
virtual CoolPropDbl	calc_hmass_excess (void)
virtual CoolPropDbl	calc_smass (void)
virtual CoolPropDbl	calc_smass_excess (void)
virtual CoolPropDbl	calc_cpmass (void)
virtual CoolPropDbl	calc_cp0mass (void)
virtual CoolPropDbl	calc_cvmass (void)
virtual CoolPropDbl	calc_umass (void)
virtual CoolPropDbl	calc_umass_excess (void)
virtual CoolPropDbl	calc_gibbsmass (void)
virtual CoolPropDbl	calc_gibbsmass_excess (void)
virtual CoolPropDbl	calc_helmholtzmass (void)
virtual CoolPropDbl	calc_helmholtzmass_excess (void)
virtual CoolPropDbl	calc_volumemass_excess (void)
virtual void	update_states (void)
	Update the states after having changed the reference state for enthalpy and entropy. More...
virtual CoolPropDbl	calc_melting_line (int param, int given, CoolPropDbl value)
virtual CoolPropDbl	calc_saturation_ancillary (parameters param, int Q, parameters given, double value)
virtual const CoolProp::SimpleState &	calc_state (const std::string &state)
virtual const CoolProp::PhaseEnvelopeData &	calc_phase_envelope_data (void)
virtual std::vector< CoolPropDbl >	calc_mole_fractions_liquid (void)
virtual std::vector< CoolPropDbl >	calc_mole_fractions_vapor (void)
virtual CoolPropDbl	calc_fraction_min (void)
	Get the minimum fraction (mole, mass, volume) for incompressible fluid. More...
virtual CoolPropDbl	calc_fraction_max (void)
	Get the maximum fraction (mole, mass, volume) for incompressible fluid. More...
virtual CoolPropDbl	calc_T_freeze (void)
virtual CoolPropDbl	calc_second_saturation_deriv (parameters Of1, parameters Wrt1, parameters Wrt2)
virtual CoolPropDbl	calc_second_two_phase_deriv (parameters Of, parameters Wrt, parameters Constant, parameters Wrt2, parameters Constant2)
virtual void	calc_ideal_curve (const std::string &type, std::vector< double > &T, std::vector< double > &p)
virtual double	calc_tangent_plane_distance (const double T, const double p, const std::vector< double > &w, const double rhomolar_guess)
	Using this backend, calculate the tangent plane distance for a given trial composition. More...
virtual void	calc_true_critical_point (double &T, double &rho)
	Using this backend, return true critical point where dp/drho|T = 0 and d2p/drho^2|T = 0. More...
virtual void	calc_conformal_state (const std::string &reference_fluid, CoolPropDbl &T, CoolPropDbl &rhomolar)
virtual void	calc_viscosity_contributions (CoolPropDbl &dilute, CoolPropDbl &initial_density, CoolPropDbl &residual, CoolPropDbl &critical)
virtual void	calc_conductivity_contributions (CoolPropDbl &dilute, CoolPropDbl &initial_density, CoolPropDbl &residual, CoolPropDbl &critical)
virtual std::vector< CriticalState >	calc_all_critical_points (void)
virtual void	calc_build_spinodal ()
virtual SpinodalData	calc_get_spinodal_data ()
virtual void	calc_criticality_contour_values (double &L1star, double &M1star)
virtual void	mass_to_molar_inputs (CoolProp::input_pairs &input_pair, CoolPropDbl &value1, CoolPropDbl &value2)
	Convert mass-based input pair to molar-based input pair; If molar-based, do nothing. More...
virtual void	calc_change_EOS (const std::size_t i, const std::string &EOS_name)
	Change the equation of state for a given component to a specified EOS. More...
Protected Attributes inherited from CoolProp::TabularBackend
phases	imposed_phase_index
bool	tables_loaded
bool	using_single_phase_table
bool	is_mixture
selected_table_options	selected_table
std::size_t	cached_single_phase_i
std::size_t	cached_single_phase_j
std::size_t	cached_saturation_iL
std::size_t	cached_saturation_iV
std::vector< std::vector< double > > const *	z
std::vector< std::vector< double > > const *	dzdx
std::vector< std::vector< double > > const *	dzdy
std::vector< std::vector< double > > const *	d2zdx2
std::vector< std::vector< double > > const *	d2zdxdy
std::vector< std::vector< double > > const *	d2zdy2
std::vector< CoolPropDbl >	mole_fractions
Protected Attributes inherited from CoolProp::AbstractState
long	_fluid_type
	Some administrative variables. More...
phases	_phase
	The key for the phase from CoolProp::phases enum. More...
phases	imposed_phase_index
	If the phase is imposed, the imposed phase index. More...
SimpleState	_critical
	Two important points. More...
SimpleState	_reducing
CachedElement	_molar_mass
	Molar mass [mol/kg]. More...
CachedElement	_gas_constant
	Universal gas constant [J/mol/K]. More...
double	_rhomolar
	Bulk values. More...
double	_T
double	_p
double	_Q
double	_R
CachedElement	_tau
CachedElement	_delta
CachedElement	_viscosity
	Transport properties. More...
CachedElement	_conductivity
CachedElement	_surface_tension
CachedElement	_hmolar
CachedElement	_smolar
CachedElement	_umolar
CachedElement	_logp
CachedElement	_logrhomolar
CachedElement	_cpmolar
CachedElement	_cp0molar
CachedElement	_cvmolar
CachedElement	_speed_sound
CachedElement	_gibbsmolar
CachedElement	_helmholtzmolar
CachedElement	_hmolar_residual
	Residual properties. More...
CachedElement	_smolar_residual
CachedElement	_gibbsmolar_residual
CachedElement	_hmolar_excess
	Excess properties. More...
CachedElement	_smolar_excess
CachedElement	_gibbsmolar_excess
CachedElement	_umolar_excess
CachedElement	_volumemolar_excess
CachedElement	_helmholtzmolar_excess
CachedElement	_rhoLanc
	Ancillary values. More...
CachedElement	_rhoVanc
CachedElement	_pLanc
CachedElement	_pVanc
CachedElement	_TLanc
CachedElement	_TVanc
CachedElement	_fugacity_coefficient
CachedElement	_rho_spline
	Smoothing values. More...
CachedElement	_drho_spline_dh__constp
CachedElement	_drho_spline_dp__consth
CachedElement	_alpha0
	Cached low-level elements for in-place calculation of other properties. More...
CachedElement	_dalpha0_dTau
CachedElement	_dalpha0_dDelta
CachedElement	_d2alpha0_dTau2
CachedElement	_d2alpha0_dDelta_dTau
CachedElement	_d2alpha0_dDelta2
CachedElement	_d3alpha0_dTau3
CachedElement	_d3alpha0_dDelta_dTau2
CachedElement	_d3alpha0_dDelta2_dTau
CachedElement	_d3alpha0_dDelta3
CachedElement	_alphar
CachedElement	_dalphar_dTau
CachedElement	_dalphar_dDelta
CachedElement	_d2alphar_dTau2
CachedElement	_d2alphar_dDelta_dTau
CachedElement	_d2alphar_dDelta2
CachedElement	_d3alphar_dTau3
CachedElement	_d3alphar_dDelta_dTau2
CachedElement	_d3alphar_dDelta2_dTau
CachedElement	_d3alphar_dDelta3
CachedElement	_d4alphar_dTau4
CachedElement	_d4alphar_dDelta_dTau3
CachedElement	_d4alphar_dDelta2_dTau2
CachedElement	_d4alphar_dDelta3_dTau
CachedElement	_d4alphar_dDelta4
CachedElement	_dalphar_dDelta_lim
CachedElement	_d2alphar_dDelta2_lim
CachedElement	_d2alphar_dDelta_dTau_lim
CachedElement	_d3alphar_dDelta2_dTau_lim
CachedElement	_rhoLmolar
	Two-Phase variables. More...
CachedElement	_rhoVmolar

Constructor & Destructor Documentation

BicubicBackend()

CoolProp::BicubicBackend::BicubicBackend ( shared_ptr< CoolProp::AbstractState >  AS )

inline

Instantiator; base class loads or makes tables.

Definition at line 65 of file BicubicBackend.h.

Member Function Documentation

backend_name()

std::string CoolProp::BicubicBackend::backend_name ( void  )

inlinevirtual

Get a string representation of the backend - for instance "HelmholtzEOSMixtureBackend" for the core mixture model in CoolProp

Must be overloaded by the backend to provide the backend's name

Implements CoolProp::AbstractState.

Definition at line 89 of file BicubicBackend.h.

evaluate_single_phase()

double CoolProp::BicubicBackend::evaluate_single_phase	(	const SinglePhaseGriddedTableData &	table,
		const std::vector< std::vector< CellCoeffs >> &	coeffs,
		const parameters	output,
		const double	x,
		const double	y,
		const std::size_t	i,
		const std::size_t	j
	)

Parameters

table	A reference to the table that is to be used
coeffs	A reference to the matrix of bicubic coefficients
output	What output is desired
x	The x value for the native inputs
y
i
j

Returns

Definition at line 83 of file BicubicBackend.cpp.

evaluate_single_phase_derivative()

double CoolProp::BicubicBackend::evaluate_single_phase_derivative	(	SinglePhaseGriddedTableData &	table,
		std::vector< std::vector< CellCoeffs >> &	coeffs,
		parameters	output,
		double	x,
		double	y,
		std::size_t	i,
		std::size_t	j,
		std::size_t	Nx,
		std::size_t	Ny
	)

Evaluate a derivative in terms of the native inputs of the table.

Use the single_phase table to evaluate an output.

Parameters

table	A reference to the table to be used
coeffs	A reference to the matrix of the coefficients
output	The output variable
x	The
y
i
j
Nx	The number of derivatives with respect to x with y held constant
Ny	The number of derivatives with respect to y with x held constant

Returns

Definition at line 131 of file BicubicBackend.cpp.

evaluate_single_phase_phmolar()

double CoolProp::BicubicBackend::evaluate_single_phase_phmolar ( parameters  output, std::size_t  i, std::size_t  j  )

inlinevirtual

Implements CoolProp::TabularBackend.

Definition at line 128 of file BicubicBackend.h.

evaluate_single_phase_phmolar_derivative()

double CoolProp::BicubicBackend::evaluate_single_phase_phmolar_derivative ( parameters  output, std::size_t  i, std::size_t  j, std::size_t  Nx, std::size_t  Ny  )

inlinevirtual

Implements CoolProp::TabularBackend.

Definition at line 108 of file BicubicBackend.h.

evaluate_single_phase_phmolar_transport()

double CoolProp::BicubicBackend::evaluate_single_phase_phmolar_transport ( parameters  output, std::size_t  i, std::size_t  j  )

inlinevirtual

Implements CoolProp::TabularBackend.

Definition at line 153 of file BicubicBackend.h.

evaluate_single_phase_pT()

double CoolProp::BicubicBackend::evaluate_single_phase_pT ( parameters  output, std::size_t  i, std::size_t  j  )

inlinevirtual

Implements CoolProp::TabularBackend.

Definition at line 131 of file BicubicBackend.h.

evaluate_single_phase_pT_derivative()

double CoolProp::BicubicBackend::evaluate_single_phase_pT_derivative ( parameters  output, std::size_t  i, std::size_t  j, std::size_t  Nx, std::size_t  Ny  )

inlinevirtual

Implements CoolProp::TabularBackend.

Definition at line 111 of file BicubicBackend.h.

evaluate_single_phase_pT_transport()

double CoolProp::BicubicBackend::evaluate_single_phase_pT_transport ( parameters  output, std::size_t  i, std::size_t  j  )

inlinevirtual

Implements CoolProp::TabularBackend.

Definition at line 156 of file BicubicBackend.h.

evaluate_single_phase_transport()

double CoolProp::BicubicBackend::evaluate_single_phase_transport	(	SinglePhaseGriddedTableData &	table,
		parameters	output,
		double	x,
		double	y,
		std::size_t	i,
		std::size_t	j
	)

Evaluate the single-phase transport properties using linear interpolation. Works well except for near the critical point.

Parameters

table	A reference to the table to be used
output	The output parameter, viscosity or conductivity
x	The
y

Returns

Use the single_phase table to evaluate an output for a transport property

Here we use linear interpolation because we don't have any information about the derivatives with respect to the independent variables and it is too computationally expensive to build the derivatives numerically

See also http://en.wikipedia.org/wiki/Bilinear_interpolation#Nonlinear

Definition at line 50 of file BicubicBackend.cpp.

find_native_nearest_good_indices()

void CoolProp::BicubicBackend::find_native_nearest_good_indices ( SinglePhaseGriddedTableData &  table, const std::vector< std::vector< CellCoeffs >> &  coeffs, double  x, double  y, std::size_t &  i, std::size_t &  j  )

virtual

Ask the derived class to find the nearest good set of i,j that it wants to use (pure virtual)

Implements CoolProp::TabularBackend.

Definition at line 8 of file BicubicBackend.cpp.

find_nearest_neighbor()

void CoolProp::BicubicBackend::find_nearest_neighbor ( SinglePhaseGriddedTableData &  table, const std::vector< std::vector< CellCoeffs >> &  coeffs, const parameters  variable1, const double  value1, const parameters  otherkey, const double  otherval, std::size_t &  i, std::size_t &  j  )

virtual

Ask the derived class to find the nearest neighbor (pure virtual)

Implements CoolProp::TabularBackend.

Definition at line 26 of file BicubicBackend.cpp.

invert_single_phase_x()

void CoolProp::BicubicBackend::invert_single_phase_x ( const SinglePhaseGriddedTableData &  table, const std::vector< std::vector< CellCoeffs >> &  coeffs, parameters  other_key, double  other, double  y, std::size_t  i, std::size_t  j  )

virtual

Use the table to solve for the x variable of the table given the y coordinate of the table and a variable that can yield a unique solution for x.

Use the single_phase table to invert for x given a y.

Parameters

table	The table to be used
coeffs	The matrix of coefficients to be used
other_key	The x variable
other	The value of the x-ish variable to be used to find d
i	The x-coordinate of the cell
j	The y-coordinate of the cell

Implements CoolProp::TabularBackend.

Definition at line 183 of file BicubicBackend.cpp.

invert_single_phase_y()

void CoolProp::BicubicBackend::invert_single_phase_y ( const SinglePhaseGriddedTableData &  table, const std::vector< std::vector< CellCoeffs >> &  coeffs, parameters  other_key, double  other, double  x, std::size_t  i, std::size_t  j  )

virtual

Use the single_phase table to solve for y given an x.

Implements CoolProp::TabularBackend.

Definition at line 239 of file BicubicBackend.cpp.

set_mole_fractions()

void CoolProp::BicubicBackend::set_mole_fractions ( const std::vector< CoolPropDbl > &  mole_fractions )

inlinevirtual

Implements CoolProp::AbstractState.

Definition at line 77 of file BicubicBackend.h.

---

The documentation for this class was generated from the following files:

• src/Backends/Tabular/BicubicBackend.h
• src/Backends/Tabular/BicubicBackend.cpp