VanDerWaalsFreeEnergy

Free energy of a Van der Waals gas.

This material defines the Helmholtz free energy density of a Van der Waals gas.

where (a) and (b) are the Van der Waals coefficients, and !include GasFreeEnergyBase.md

Input Parameters

  • TTemperature

    C++ Type:std::vector<VariableName>

    Controllable:No

    Description:Temperature

  • aVan der Waals coefficient a (default mass_unit_conversion requires this to be in [eV*Ang^3])

    C++ Type:double

    Controllable:No

    Description:Van der Waals coefficient a (default mass_unit_conversion requires this to be in [eV*Ang^3])

  • bVan der Waals molecular exclusion volume b (default mass_unit_conversion requires this to be in [Ang^3])

    C++ Type:double

    Controllable:No

    Description:Van der Waals molecular exclusion volume b (default mass_unit_conversion requires this to be in [Ang^3])

  • cConcentration variable

    C++ Type:std::vector<VariableName>

    Controllable:No

    Description:Concentration variable

  • mGas atom mass (the default mass_unit_conversion requires this to be in [u])

    C++ Type:double

    Controllable:No

    Description:Gas atom mass (the default mass_unit_conversion requires this to be in [u])

  • omegaLattice site volume (default mass_unit_conversion requires this to be in [Ang^3])

    C++ Type:double

    Controllable:No

    Description:Lattice site volume (default mass_unit_conversion requires this to be in [Ang^3])

Required Parameters

  • additional_derivative_symbolsA list of additional (non-variable) symbols (such as material property or postprocessor names) to take derivatives w.r.t.

    C++ Type:std::vector<std::string>

    Controllable:No

    Description:A list of additional (non-variable) symbols (such as material property or postprocessor names) to take derivatives w.r.t.

  • blockThe list of blocks (ids or names) that this object will be applied

    C++ Type:std::vector<SubdomainName>

    Controllable:No

    Description:The list of blocks (ids or names) that this object will be applied

  • boundaryThe list of boundaries (ids or names) from the mesh where this object applies

    C++ Type:std::vector<BoundaryName>

    Controllable:No

    Description:The list of boundaries (ids or names) from the mesh where this object applies

  • computeTrueWhen false, MOOSE will not call compute methods on this material. The user must call computeProperties() after retrieving the MaterialBase via MaterialBasePropertyInterface::getMaterialBase(). Non-computed MaterialBases are not sorted for dependencies.

    Default:True

    C++ Type:bool

    Controllable:No

    Description:When false, MOOSE will not call compute methods on this material. The user must call computeProperties() after retrieving the MaterialBase via MaterialBasePropertyInterface::getMaterialBase(). Non-computed MaterialBases are not sorted for dependencies.

  • constant_onNONEWhen ELEMENT, MOOSE will only call computeQpProperties() for the 0th quadrature point, and then copy that value to the other qps.When SUBDOMAIN, MOOSE will only call computeQpProperties() for the 0th quadrature point, and then copy that value to the other qps. Evaluations on element qps will be skipped

    Default:NONE

    C++ Type:MooseEnum

    Options:NONE, ELEMENT, SUBDOMAIN

    Controllable:No

    Description:When ELEMENT, MOOSE will only call computeQpProperties() for the 0th quadrature point, and then copy that value to the other qps.When SUBDOMAIN, MOOSE will only call computeQpProperties() for the 0th quadrature point, and then copy that value to the other qps. Evaluations on element qps will be skipped

  • declare_suffixAn optional suffix parameter that can be appended to any declared properties. The suffix will be prepended with a '_' character.

    C++ Type:MaterialPropertyName

    Controllable:No

    Description:An optional suffix parameter that can be appended to any declared properties. The suffix will be prepended with a '_' character.

  • derivative_order3Maximum order of derivatives taken

    Default:3

    C++ Type:unsigned int

    Controllable:No

    Description:Maximum order of derivatives taken

  • error_on_missing_material_propertiesTrueThrow an error if any explicitly requested material property does not exist. Otherwise assume it to be zero.

    Default:True

    C++ Type:bool

    Controllable:No

    Description:Throw an error if any explicitly requested material property does not exist. Otherwise assume it to be zero.

  • log_tol0.1The logarithm in the free energy is evaluated using a Taylor expansion below this value. This allows formulating free energies for systems where the molecular volume is smaller than the exclusion volume b.

    Default:0.1

    C++ Type:double

    Controllable:No

    Description:The logarithm in the free energy is evaluated using a Taylor expansion below this value. This allows formulating free energies for systems where the molecular volume is smaller than the exclusion volume b.

  • prop_getter_suffixAn optional suffix parameter that can be appended to any attempt to retrieve/get material properties. The suffix will be prepended with a '_' character.

    C++ Type:MaterialPropertyName

    Controllable:No

    Description:An optional suffix parameter that can be appended to any attempt to retrieve/get material properties. The suffix will be prepended with a '_' character.

  • property_nameFName of the parsed material property

    Default:F

    C++ Type:std::string

    Controllable:No

    Description:Name of the parsed material property

Optional Parameters

  • control_tagsAdds user-defined labels for accessing object parameters via control logic.

    C++ Type:std::vector<std::string>

    Controllable:No

    Description:Adds user-defined labels for accessing object parameters via control logic.

  • disable_fpoptimizerFalseDisable the function parser algebraic optimizer

    Default:False

    C++ Type:bool

    Controllable:No

    Description:Disable the function parser algebraic optimizer

  • enableTrueSet the enabled status of the MooseObject.

    Default:True

    C++ Type:bool

    Controllable:Yes

    Description:Set the enabled status of the MooseObject.

  • enable_ad_cacheTrueEnable caching of function derivatives for faster startup time

    Default:True

    C++ Type:bool

    Controllable:No

    Description:Enable caching of function derivatives for faster startup time

  • enable_auto_optimizeTrueEnable automatic immediate optimization of derivatives

    Default:True

    C++ Type:bool

    Controllable:No

    Description:Enable automatic immediate optimization of derivatives

  • enable_jitTrueEnable just-in-time compilation of function expressions for faster evaluation

    Default:True

    C++ Type:bool

    Controllable:No

    Description:Enable just-in-time compilation of function expressions for faster evaluation

  • evalerror_behaviornanWhat to do if evaluation error occurs. Options are to pass a nan, pass a nan with a warning, throw a error, or throw an exception

    Default:nan

    C++ Type:MooseEnum

    Options:nan, nan_warning, error, exception

    Controllable:No

    Description:What to do if evaluation error occurs. Options are to pass a nan, pass a nan with a warning, throw a error, or throw an exception

  • implicitTrueDetermines whether this object is calculated using an implicit or explicit form

    Default:True

    C++ Type:bool

    Controllable:No

    Description:Determines whether this object is calculated using an implicit or explicit form

  • seed0The seed for the master random number generator

    Default:0

    C++ Type:unsigned int

    Controllable:No

    Description:The seed for the master random number generator

  • use_displaced_meshFalseWhether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.

    Default:False

    C++ Type:bool

    Controllable:No

    Description:Whether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.

Advanced Parameters

  • h4.13567e-15Planck constant - units need to be consistent with the units of omega (default in [eV*s])

    Default:4.13567e-15

    C++ Type:double

    Controllable:No

    Description:Planck constant - units need to be consistent with the units of omega (default in [eV*s])

  • kB8.61733e-05Boltzmann constant (default in [eV/K])

    Default:8.61733e-05

    C++ Type:double

    Controllable:No

    Description:Boltzmann constant (default in [eV/K])

  • mass_unit_conversion1.03643e-28Conversion factor to get the gas atom mass in [eV*s^2/Ang^2] (defaults to [eV*s^2/(Ang^2*u)])

    Default:1.03643e-28

    C++ Type:double

    Controllable:No

    Description:Conversion factor to get the gas atom mass in [eV*s^2/Ang^2] (defaults to [eV*s^2/(Ang^2*u)])

Units Parameters

  • output_propertiesList of material properties, from this material, to output (outputs must also be defined to an output type)

    C++ Type:std::vector<std::string>

    Controllable:No

    Description:List of material properties, from this material, to output (outputs must also be defined to an output type)

  • outputsnone Vector of output names where you would like to restrict the output of variables(s) associated with this object

    Default:none

    C++ Type:std::vector<OutputName>

    Controllable:No

    Description:Vector of output names where you would like to restrict the output of variables(s) associated with this object

Outputs Parameters