LinearFVScalarAdvection

This kernel adds the contributions of the scalar advection term to the matrix and right hand side of the scalar equation system for the finite volume SIMPLE segregated solver SIMPLE.

This term is described by (uCi)\nabla \cdot \left(\vec{u} C_i \right) present in the scalar equation conservation for an incompressible/weakly-compressible formulation.

For FV, the integral of the advection term of scalar CiC_i over a cell can be expressed as:

VC(uCi)dVf(un)RCCifSf\int\limits_{V_C} \nabla \cdot \left(\vec{u} C_i \right) dV \approx \sum\limits_f ( \vec{u}\cdot \vec{n})_{RC} C_if |S_f| \,

where CifC_{if} is the face value of the scalar concentration. An interpolation scheme (e.g. upwind) can be used to compute the face value. This kernel adds the face contribution for each face ff to the right hand side and matrix.

The volumetric face flux (un)RC(\vec{u}\cdot \vec{n})_{RC} is provided by the RhieChowMassFlux object which uses pressure gradients and the discrete momentum equation to compute face velocities and mass fluxes. For more information on the expression that is used, see SIMPLE.

Input Parameters

  • rhie_chow_user_objectThe rhie-chow user-object which is used to determine the face velocity.

    C++ Type:UserObjectName

    Unit:(no unit assumed)

    Controllable:No

    Description:The rhie-chow user-object which is used to determine the face velocity.

  • variableThe name of the variable whose linear system this object contributes to

    C++ Type:LinearVariableName

    Unit:(no unit assumed)

    Controllable:No

    Description:The name of the variable whose linear system this object contributes to

Required Parameters

  • advected_interp_methodupwindThe interpolation to use for the advected quantity. Options are 'upwind', 'average', 'sou' (for second-order upwind), 'min_mod', 'vanLeer', 'quick', 'venkatakrishnan', and 'skewness-corrected' with the default being 'upwind'.

    Default:upwind

    C++ Type:MooseEnum

    Unit:(no unit assumed)

    Options:average, upwind, sou, min_mod, vanLeer, quick, venkatakrishnan, skewness-corrected

    Controllable:No

    Description:The interpolation to use for the advected quantity. Options are 'upwind', 'average', 'sou' (for second-order upwind), 'min_mod', 'vanLeer', 'quick', 'venkatakrishnan', and 'skewness-corrected' with the default being 'upwind'.

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

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

    Unit:(no unit assumed)

    Controllable:No

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

  • force_boundary_executionFalseWhether to force execution of this object on all external boundaries.

    Default:False

    C++ Type:bool

    Unit:(no unit assumed)

    Controllable:No

    Description:Whether to force execution of this object on all external boundaries.

Optional Parameters

  • absolute_value_vector_tagsThe tags for the vectors this residual object should fill with the absolute value of the residual contribution

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

    Unit:(no unit assumed)

    Controllable:No

    Description:The tags for the vectors this residual object should fill with the absolute value of the residual contribution

  • extra_matrix_tagsThe extra tags for the matrices this Kernel should fill

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

    Unit:(no unit assumed)

    Controllable:No

    Description:The extra tags for the matrices this Kernel should fill

  • extra_vector_tagsThe extra tags for the vectors this Kernel should fill

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

    Unit:(no unit assumed)

    Controllable:No

    Description:The extra tags for the vectors this Kernel should fill

  • matrix_tagssystemThe tag for the matrices this Kernel should fill

    Default:system

    C++ Type:MultiMooseEnum

    Unit:(no unit assumed)

    Options:nontime, system

    Controllable:No

    Description:The tag for the matrices this Kernel should fill

  • vector_tagsrhsThe tag for the vectors this Kernel should fill

    Default:rhs

    C++ Type:MultiMooseEnum

    Unit:(no unit assumed)

    Options:rhs, time

    Controllable:No

    Description:The tag for the vectors this Kernel should fill

Tagging Parameters

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

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

    Unit:(no unit assumed)

    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

    Unit:(no unit assumed)

    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

    Unit:(no unit assumed)

    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

    Unit:(no unit assumed)

    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

    Unit:(no unit assumed)

    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

  • ghost_layers1The number of layers of elements to ghost.

    Default:1

    C++ Type:unsigned short

    Unit:(no unit assumed)

    Controllable:No

    Description:The number of layers of elements to ghost.

  • use_point_neighborsFalseWhether to use point neighbors, which introduces additional ghosting to that used for simple face neighbors.

    Default:False

    C++ Type:bool

    Unit:(no unit assumed)

    Controllable:No

    Description:Whether to use point neighbors, which introduces additional ghosting to that used for simple face neighbors.

Parallel Ghosting Parameters