This class computes momentum equation residual and Jacobian viscous contributions for the 'Laplacian' form of the governing equations.

Input Parameters

  • variableThe name of the variable that this Kernel operates on

    C++ Type:NonlinearVariableName

    Options:

    Description:The name of the variable that this Kernel operates on

  • ppressure

    C++ Type:std::vector

    Options:

    Description:pressure

  • componentThe velocity component that this is applied to.

    C++ Type:unsigned int

    Options:

    Description:The velocity component that this is applied to.

  • ux-velocity

    C++ Type:std::vector

    Options:

    Description:x-velocity

Required Parameters

  • integrate_p_by_partsTrueWhether to integrate the pressure term by parts.

    Default:True

    C++ Type:bool

    Options:

    Description:Whether to integrate the pressure term by parts.

  • transient_termFalseWhether there should be a transient term in the momentum residuals.

    Default:False

    C++ Type:bool

    Options:

    Description:Whether there should be a transient term in the momentum residuals.

  • mu_namemuThe name of the dynamic viscosity

    Default:mu

    C++ Type:MaterialPropertyName

    Options:

    Description:The name of the dynamic viscosity

  • rho_namerhoThe name of the density

    Default:rho

    C++ Type:MaterialPropertyName

    Options:

    Description:The name of the density

  • gravity0 0 0Direction of the gravity vector

    Default:0 0 0

    C++ Type:libMesh::VectorValue

    Options:

    Description:Direction of the gravity vector

  • wz-velocity

    C++ Type:std::vector

    Options:

    Description:z-velocity

  • convective_termTrueWhether to include the convective term.

    Default:True

    C++ Type:bool

    Options:

    Description:Whether to include the convective term.

  • vy-velocity

    C++ Type:std::vector

    Options:

    Description:y-velocity

  • alpha1Multiplicative factor on the stabilization parameter tau.

    Default:1

    C++ Type:double

    Options:

    Description:Multiplicative factor on the stabilization parameter tau.

  • supgFalseWhether to perform SUPG stabilization of the momentum residuals

    Default:False

    C++ Type:bool

    Options:

    Description:Whether to perform SUPG stabilization of the momentum residuals

  • laplaceTrueWhether the viscous term of the momentum equations is in laplace form.

    Default:True

    C++ Type:bool

    Options:

    Description:Whether the viscous term of the momentum equations is in laplace form.

  • blockThe list of block ids (SubdomainID) that this object will be applied

    C++ Type:std::vector

    Options:

    Description:The list of block ids (SubdomainID) that this object will be applied

  • forcing_func0The mms forcing function.

    Default:0

    C++ Type:FunctionName

    Options:

    Description:The mms forcing function.

Optional Parameters

  • enableTrueSet the enabled status of the MooseObject.

    Default:True

    C++ Type:bool

    Options:

    Description:Set the enabled status of the MooseObject.

  • save_inThe name of auxiliary variables to save this Kernel's residual contributions to. Everything about that variable must match everything about this variable (the type, what blocks it's on, etc.)

    C++ Type:std::vector

    Options:

    Description:The name of auxiliary variables to save this Kernel's residual contributions to. Everything about that variable must match everything about this variable (the type, what blocks it's on, etc.)

  • 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

    Options:

    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.

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

    C++ Type:std::vector

    Options:

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

  • seed0The seed for the master random number generator

    Default:0

    C++ Type:unsigned int

    Options:

    Description:The seed for the master random number generator

  • diag_save_inThe name of auxiliary variables to save this Kernel's diagonal Jacobian contributions to. Everything about that variable must match everything about this variable (the type, what blocks it's on, etc.)

    C++ Type:std::vector

    Options:

    Description:The name of auxiliary variables to save this Kernel's diagonal Jacobian contributions to. Everything about that variable must match everything about this variable (the type, what blocks it's on, etc.)

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

    Default:True

    C++ Type:bool

    Options:

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

Advanced Parameters

  • vector_tagsnontimeThe tag for the vectors this Kernel should fill

    Default:nontime

    C++ Type:MultiMooseEnum

    Options:nontime time

    Description:The tag for the vectors this Kernel should fill

  • extra_vector_tagsThe extra tags for the vectors this Kernel should fill

    C++ Type:std::vector

    Options:

    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

    Options:nontime system

    Description:The tag for the matrices this Kernel should fill

  • extra_matrix_tagsThe extra tags for the matrices this Kernel should fill

    C++ Type:std::vector

    Options:

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

Tagging Parameters

Input Files

Child Objects