MFEMVectorFEDomainLFKernel

Overview

Adds the domain integrator for integrating the linear form

where or is the test variable and is a vector forcing coefficient.

This term arises from the weak form of the forcing term

Example Input File Syntax

[Kernels<<<{"href": "../../../syntax/Kernels/index.html"}>>>]
  [curlcurl]
    type = MFEMCurlCurlKernel<<<{"description": "Adds the domain integrator to an MFEM problem for the bilinear form $(k\\vec\\nabla \\times \\vec u, \\vec\\nabla \\times \\vec v)_\\Omega$ arising from the weak form of the curl curl operator $k\\vec\\nabla \\times \\vec\\nabla \\times \\vec u$.", "href": "MFEMCurlCurlKernel.html"}>>>
    variable<<<{"description": "Variable labelling the weak form this kernel is added to"}>>> = e_field
  []
  [mass]
    type = MFEMVectorFEMassKernel<<<{"description": "Adds the domain integrator to an MFEM problem for the bilinear form $(k \\vec u, \\vec v)_\\Omega$ arising from the weak form of the mass operator $k \\vec u$.", "href": "MFEMVectorFEMassKernel.html"}>>>
    variable<<<{"description": "Variable labelling the weak form this kernel is added to"}>>> = e_field
  []
  [source]
    type = MFEMVectorFEDomainLFKernel<<<{"description": "Adds the domain integrator to an MFEM problem for the linear form $(\\vec f, \\vec v)_\\Omega$ arising from the weak form of the forcing term $\\vec f$.", "href": "MFEMVectorFEDomainLFKernel.html"}>>>
    variable<<<{"description": "Variable labelling the weak form this kernel is added to"}>>> = e_field
    vector_coefficient<<<{"description": "The name of the vector coefficient f. A functor is any of the following: a variable, an MFEM material property, a function, a postprocessor or a numeric vector value (enclosed in curly braces)."}>>> = forcing_field
  []
[]
(test/tests/mfem/kernels/curlcurl.i)

Input Parameters

  • blockThe list of subdomains (names or ids) that this object will be restricted to. Leave empty to apply to all subdomains.

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

    Controllable:No

    Description:The list of subdomains (names or ids) that this object will be restricted to. Leave empty to apply to all subdomains.

  • variableVariable labelling the weak form this kernel is added to

    C++ Type:VariableName

    Unit:(no unit assumed)

    Controllable:No

    Description:Variable labelling the weak form this kernel is added to

  • vector_coefficient1. 1. 1.The name of the vector coefficient f. A functor is any of the following: a variable, an MFEM material property, a function, a postprocessor or a numeric vector value (enclosed in curly braces).

    Default:1. 1. 1.

    C++ Type:MFEMVectorCoefficientName

    Controllable:No

    Description:The name of the vector coefficient f. A functor is any of the following: a variable, an MFEM material property, a function, a postprocessor or a numeric vector value (enclosed in curly braces).

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:No

    Description:Set the enabled status of the MooseObject.

Advanced Parameters

Input Files