Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #ifdef MOOSE_MFEM_ENABLED
      11             : 
      12             : #include "MFEMInnerProductAux.h"
      13             : #include "MFEMProblem.h"
      14             : 
      15             : registerMooseObject("MooseApp", MFEMInnerProductAux);
      16             : 
      17             : InputParameters
      18        2110 : MFEMInnerProductAux::validParams()
      19             : {
      20        2110 :   InputParameters params = MFEMAuxKernel::validParams();
      21        4220 :   params.addClassDescription("Projects $s \\vec u \\cdot \\vec v$ onto a scalar MFEM auxvariable");
      22        8440 :   params.addRequiredParam<MFEMVectorCoefficientName>("first_source_vec", "Vector coefficient");
      23        8440 :   params.addRequiredParam<MFEMVectorCoefficientName>("second_source_vec", "Vector coefficient");
      24        6330 :   params.addParam<MFEMScalarCoefficientName>(
      25             :       "coefficient", "1.", "Name of scalar coefficient s to scale the inner product by");
      26        2110 :   return params;
      27           0 : }
      28             : 
      29           6 : MFEMInnerProductAux::MFEMInnerProductAux(const InputParameters & parameters)
      30             :   : MFEMAuxKernel(parameters),
      31          18 :     _inner(getVectorCoefficient("first_source_vec"), getVectorCoefficient("second_source_vec")),
      32          18 :     _scaled_inner(getScalarCoefficient("coefficient"), _inner)
      33             : {
      34             :   // The target variable's finite element space
      35           6 :   mfem::ParFiniteElementSpace * fes = _result_var.ParFESpace();
      36             : 
      37             :   // Must be scalar L2
      38           6 :   if (!dynamic_cast<const mfem::L2_FECollection *>(fes->FEColl()) || fes->GetVDim() != 1)
      39           0 :     mooseError("MFEMInnerProductAux requires the target variable to be scalar L2.");
      40             : 
      41             :   // Must have no shared/constrained DOFs (pure interior DOFs)
      42           6 :   if (fes->GetTrueVSize() != fes->GetVSize())
      43           0 :     mooseError("MFEMInnerProductAux currently supports only L2 spaces with interior DOFs "
      44             :                "(no shared/constrained DOFs).");
      45           6 : }
      46             : 
      47             : void
      48           6 : MFEMInnerProductAux::execute()
      49             : {
      50           6 :   _result_var.ProjectCoefficient(_scaled_inner);
      51           6 : }
      52             : 
      53             : #endif // MOOSE_MFEM_ENABLED