This class computes the mass equation residual and Jacobian contributions for the incompressible Navier-Stokes momentum equation.

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

  • ux-velocity

    C++ Type:std::vector

    Options:

    Description:x-velocity

Required Parameters

  • 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

  • x_vel_forcing_func0The x-velocity mms forcing function.

    Default:0

    C++ Type:FunctionName

    Options:

    Description:The x-velocity mms forcing function.

  • 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

  • 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.

  • pspgFalseWhether to perform PSPG stabilization of the mass equation

    Default:False

    C++ Type:bool

    Options:

    Description:Whether to perform PSPG stabilization of the mass equation

  • y_vel_forcing_func0The y-velocity mms forcing function.

    Default:0

    C++ Type:FunctionName

    Options:

    Description:The y-velocity mms forcing function.

  • 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.

  • wz-velocity

    C++ Type:std::vector

    Options:

    Description:z-velocity

  • z_vel_forcing_func0The z-velocity mms forcing function.

    Default:0

    C++ Type:FunctionName

    Options:

    Description:The z-velocity mms forcing function.

  • 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

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