A component which returns run time specified values for all fluid properties.  
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template<int id, class 
Scalar>
class Dumux::Components::Constant< id, Scalar >
- Template Parameters
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    | id | The id used to read from the input file / parametertree |  | Scalar | The type used for scalar values |  
 
- Note
- For the constant component with id=1 you would specify the parameters in the input file as follows [1.Component] MolarMass = 0.018 # kg/mol 
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If you only have one component you can also omit the "1.". 
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| static constexpr bool | gasIsCompressible () | 
|  | Returns true if the gas phase is assumed to be compressible. 
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| static constexpr bool | gasViscosityIsConstant () | 
|  | Returns true if the gas phase viscosity is constant. 
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| static constexpr bool | gasIsIdeal () | 
|  | Returns true if the gas phase is assumed to be ideal. 
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| static constexpr bool | liquidIsCompressible () | 
|  | Returns true if the liquid phase is assumed to be compressible. 
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| static constexpr bool | liquidViscosityIsConstant () | 
|  | Returns true if the liquid phase viscosity is constant. 
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| static const std::string & | name () | 
|  | A human readable name for the component. 
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| static Scalar | molarMass () | 
|  | The mass in \(\mathrm{[kg]}\) of one mole of the component. 
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| static Scalar | tripleTemperature () | 
|  | Returns the temperature \(\mathrm{[K]}\) at the components's triple point. 
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| static Scalar | triplePressure () | 
|  | Returns the pressure \(\mathrm{[Pa]}\) at the component's triple point. 
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| static Scalar | vaporizationEnthalpy () | 
|  | The vaporization enthalpy in \(\mathrm{[J/kg]}\) needed to vaporize one kilogram of the liquid component to the gaseous state. 
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| static Scalar | liquidDensity (Scalar temperature, Scalar pressure) | 
|  | Sets the liquid density in \(\mathrm{[kg/m^3]}\). 
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| static Scalar | liquidMolarDensity (Scalar temperature, Scalar pressure) | 
|  | The molar density in \(\mathrm{[mol/m^3]}\) at a given pressure and temperature. 
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| static Scalar | liquidViscosity (Scalar temperature, Scalar pressure) | 
|  | Sets the liquid dynamic viscosity in \(\mathrm{[Pa*s]}\). 
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| static Scalar | liquidThermalConductivity (Scalar temperature, Scalar pressure) | 
|  | Thermal conductivity of the component \(\mathrm{[W/(m*K)]}\) as a liquid. 
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| static Scalar | liquidInternalEnergy (Scalar temperature, Scalar pressure) | 
|  | Specific internal energy of the component \(\mathrm{[J/kg]}\) as a liquid. 
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| static Scalar | liquidEnthalpy (Scalar temperature, Scalar pressure) | 
|  | Specific enthalpy of the component \(\mathrm{[J/kg]}\) as a liquid. 
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| static Scalar | liquidHeatCapacity (Scalar temperature, Scalar pressure) | 
|  | Specific isobaric heat capacity of the component \(\mathrm{[J/(kg*K)]}\) as a liquid. 
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| static Scalar | gasDensity (Scalar temperature, Scalar pressure) | 
|  | Sets the gas density in \(\mathrm{[kg/m^3]}\). 
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| static Scalar | gasMolarDensity (Scalar temperature, Scalar pressure) | 
|  | The molar density in \(\mathrm{[mol/m^3]}\) at a given pressure and temperature. 
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| static Scalar | gasViscosity (Scalar temperature, Scalar pressure) | 
|  | Sets the gas dynamic viscosity in \(\mathrm{[Pa*s]}\). 
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| static Scalar | gasThermalConductivity (Scalar temperature, Scalar pressure) | 
|  | Thermal conductivity of the component \(\mathrm{[W/(m*K)]}\) as a gas. 
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| static Scalar | gasInternalEnergy (Scalar temperature, Scalar pressure) | 
|  | Specific internal energy of the component \(\mathrm{[J/kg]}\) as a gas. 
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| static Scalar | gasEnthalpy (Scalar temperature, Scalar pressure) | 
|  | Specific enthalpy of the component \(\mathrm{[J/kg]}\) as a gas. 
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| static Scalar | gasHeatCapacity (Scalar temperature, Scalar pressure) | 
|  | Specific isobaric heat capacity of the component \(\mathrm{[J/(kg*K)]}\) as a gas. 
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| static Scalar | vaporPressure (Scalar T) | 
|  | The vapor pressure in \(\mathrm{[Pa]}\) of a the component at a given temperature. 
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| static Scalar | solidDensity (Scalar temperature) | 
|  | The density in \(\mathrm{[kg/m^3]}\) of the component at a given pressure in \(\mathrm{[Pa]}\) and temperature in \(\mathrm{[K]}\). 
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| static Scalar | solidThermalConductivity (Scalar temperature) | 
|  | Thermal conductivity of the component \(\mathrm{[W/(m*K)]}\) as a solid. 
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| static Scalar | solidHeatCapacity (Scalar temperature) | 
|  | Specific isobaric heat capacity of the component \(\mathrm{[J/(kg*K)]}\) as a solid. 
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| static void | init (Scalar tempMin, Scalar tempMax, unsigned nTemp, Scalar pressMin, Scalar pressMax, unsigned nPress) | 
|  | A default routine for initialization, not needed for components and must not be called. 
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| static constexpr Scalar | criticalTemperature () | 
|  | Returns the critical temperature in \(\mathrm{[K]}\) of the component. 
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| static constexpr Scalar | criticalPressure () | 
|  | Returns the critical pressure in \(\mathrm{[Pa]}\) of the component. 
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| static constexpr bool | solidIsCompressible () | 
|  | Returns true if the solid phase is assumed to be compressible. 
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