PorousFlowPermeabilityKozenyCarman

This Material calculates the permeability tensor from a form of the Kozeny-Carman equation based on the spatially constant initial permeability and porosity or grain size.

Permeability is calculated from porosity using where and are user-defined constants.

Input for computing can be entered in one of three forms depending on the value of "poroperm_function"

Input format

poroperm_functioninput format
kozeny_carman_fd2
kozeny_carman_phi0
kozeny_carman_A

For all methods, parameters must be chosen to make . In kozeny_carman_fd2, "f" is a scalar constant and "d" is the grain diameter. In kozeny_carman_phi0, "k0" is the reference permeability and "phi0" is a reference porosity. These input parameters are converted to internally. In kozeny_carman_A, "A" is used to provide the permeability multiplying factor directly which is useful for 2D fracture flow described here where is a constant given by with being the fracture roughness. For problems where is described by a spatially varying variable, use `PorousFlowPermeabilityKozenyCarmanFromVar.

Input Parameters

  • PorousFlowDictatorThe UserObject that holds the list of PorousFlow variable names

    C++ Type:UserObjectName

    Controllable:No

    Description:The UserObject that holds the list of PorousFlow variable names

  • m(1-porosity) exponent

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:(1-porosity) exponent

  • nPorosity exponent

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:Porosity exponent

Required Parameters

  • AKozeny Carman permeability multiplying factor, required for kozeny_carman_A

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:Kozeny Carman permeability multiplying factor, required for kozeny_carman_A

  • at_nodesFalseEvaluate Material properties at nodes instead of quadpoints

    Default:False

    C++ Type:bool

    Controllable:No

    Description:Evaluate Material properties at nodes instead of quadpoints

  • 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

  • dThe grain diameter, required for kozeny_carman_fd2

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:The grain diameter, required for kozeny_carman_fd2

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

    C++ Type:MaterialPropertyName

    Unit:(no unit assumed)

    Controllable:No

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

  • fThe multiplying factor, required for kozeny_carman_fd2

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:The multiplying factor, required for kozeny_carman_fd2

  • k0The permeability scalar value (usually in m^2) at the reference porosity, required for kozeny_carman_phi0

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:The permeability scalar value (usually in m^2) at the reference porosity, required for kozeny_carman_phi0

  • k_anisotropyA tensor to multiply the calculated scalar permeability, in order to obtain anisotropy if required. Defaults to isotropic permeability if not specified.

    C++ Type:libMesh::TensorValue<double>

    Unit:(no unit assumed)

    Controllable:No

    Description:A tensor to multiply the calculated scalar permeability, in order to obtain anisotropy if required. Defaults to isotropic permeability if not specified.

  • phi0The reference porosity, required for kozeny_carman_phi0

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:The reference porosity, required for kozeny_carman_phi0

  • poroperm_functionkozeny_carman_fd2Function relating porosity and permeability. The options are: kozeny_carman_fd2 = f d^2 phi^n/(1-phi)^m (where phi is porosity, f is a scalar constant with typical values 0.01-0.001, and d is grain size). kozeny_carman_phi0 = k0 (1-phi0)^m/phi0^n * phi^n/(1-phi)^m (where phi is porosity, and k0 is the permeability at porosity phi0) kozeny_carman_A = A for directly supplying the permeability multiplying factor.

    Default:kozeny_carman_fd2

    C++ Type:MooseEnum

    Options:kozeny_carman_fd2, kozeny_carman_phi0, kozeny_carman_A

    Controllable:No

    Description:Function relating porosity and permeability. The options are: kozeny_carman_fd2 = f d^2 phi^n/(1-phi)^m (where phi is porosity, f is a scalar constant with typical values 0.01-0.001, and d is grain size). kozeny_carman_phi0 = k0 (1-phi0)^m/phi0^n * phi^n/(1-phi)^m (where phi is porosity, and k0 is the permeability at porosity phi0) kozeny_carman_A = A for directly supplying the permeability multiplying factor.

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.

  • enableTrueSet the enabled status of the MooseObject.

    Default:True

    C++ Type:bool

    Controllable:Yes

    Description:Set the enabled status of the MooseObject.

  • 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

  • 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

  • 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

    Unit:(no unit assumed)

    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.

  • use_interpolated_stateFalseFor the old and older state use projected material properties interpolated at the quadrature points. To set up projection use the ProjectedStatefulMaterialStorageAction.

    Default:False

    C++ Type:bool

    Controllable:No

    Description:For the old and older state use projected material properties interpolated at the quadrature points. To set up projection use the ProjectedStatefulMaterialStorageAction.

Material Property Retrieval Parameters

Input Files