ArrayLowerDIntegratedBC.C

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#include "ArrayLowerDIntegratedBC.h"
 
#include "Assembly.h"
#include "SubProblem.h"
#include "SystemBase.h"
#include "MooseVariableFE.h"
#include "MooseVariableScalar.h"
 
#include "libmesh/quadrature.h"
 
InputParameters
ArrayLowerDIntegratedBC::validParams()
{
  InputParameters params = ArrayIntegratedBC::validParams();
  params.addRequiredCoupledVar("lowerd_variable", "Lagrange multiplier");
  return params;
}
 
ArrayLowerDIntegratedBC::ArrayLowerDIntegratedBC(const InputParameters & parameters)
  : ArrayIntegratedBC(parameters),
    _lowerd_var(*getArrayVar("lowerd_variable", 0)),
    _lambda(_is_implicit ? _lowerd_var.slnLower() : _lowerd_var.slnLowerOld()),
 
    _phi_lambda(_lowerd_var.phiLower()),
    _test_lambda(_lowerd_var.phiLower()),
    _work_vector(_count)
{
  const auto & lower_domains = _lowerd_var.activeSubdomains();
  for (const auto & id : _mesh.boundaryLowerDBlocks())
    if (lower_domains.count(id) == 0)
      mooseDocumentedError(
          "moose",
          29151,
          "'lowerd_variable' must be defined on the boundary lower-dimensional subdomain '" +
              _mesh.getSubdomainName(id) +
              "' that is added by Mesh/build_all_side_lowerd_mesh=true.\nThe check could be overly "
              "restrictive.");
 
  for (const auto & id : _var.activeSubdomains())
    if (_mesh.boundaryLowerDBlocks().count(id) > 0)
      paramError("variable",
                 "Must not be defined on the boundary lower-dimensional subdomain '" +
                     _mesh.getSubdomainName(id) + "'");
 
  if (_lowerd_var.count() != _count)
    paramError("lowerd_variable",
               "The number of components must be equal to the number of "
               "components of 'variable'");
}
 
void
ArrayLowerDIntegratedBC::computeResidual()
{
  ArrayIntegratedBC::computeResidual();
 
  prepareVectorTagLower(_assembly, _lowerd_var.number());
 
  for (_qp = 0; _qp < _qrule->n_points(); _qp++)
  {
    initLowerDQpResidual();
    for (_i = 0; _i < _test_lambda.size(); _i++)
    {
      _work_vector.setZero();
      computeLowerDQpResidual(_work_vector);
      mooseAssert(_work_vector.size() == _count,
                  "Size of local residual is not equal to the number of array variable compoments");
      _work_vector *= _JxW[_qp] * _coord[_qp];
      _assembly.saveLocalArrayResidual(_local_re, _i, _test_lambda.size(), _work_vector);
    }
  }
 
  accumulateTaggedLocalResidual();
}
 
void
ArrayLowerDIntegratedBC::computeJacobian()
{
  ArrayIntegratedBC::computeJacobian();
 
  computeLowerDJacobian(Moose::LowerLower);
}
 
void
ArrayLowerDIntegratedBC::computeLowerDJacobian(Moose::ConstraintJacobianType type)
{
  mooseAssert(type == Moose::LowerLower || type == Moose::LowerPrimary ||
                  type == Moose::PrimaryLower,
              "Jacobian types must have lower in computeLowerDJacobian");
 
  const ArrayVariableTestValue & test_space =
      (type == Moose::LowerLower || type == Moose::LowerPrimary) ? _test_lambda : _test;
  unsigned int ivar = (type == Moose::LowerLower || type == Moose::LowerPrimary)
                          ? _lowerd_var.number()
                          : _var.number();
 
  const ArrayVariableTestValue & loc_phi =
      (type == Moose::LowerLower || type == Moose::PrimaryLower) ? _phi_lambda : _phi;
  unsigned int jvar = (type == Moose::LowerLower || type == Moose::PrimaryLower)
                          ? _lowerd_var.number()
                          : _var.number();
 
  // need to transform the type for assembling Jacobian on boundary to be consistent with
  // Assembly::addJacobianLowerD() and Assembly::prepareLowerD().
  Moose::ConstraintJacobianType type_transformed =
      (type == Moose::LowerLower
           ? type
           : (type == Moose::LowerPrimary ? Moose::LowerSecondary : Moose::SecondaryLower));
  prepareMatrixTagLower(_assembly, ivar, jvar, type_transformed);
 
  if (_local_ke.n() == 0 || _local_ke.m() == 0)
    return;
 
  for (_qp = 0; _qp < _qrule->n_points(); _qp++)
  {
    initLowerDQpJacobian(type);
    for (_i = 0; _i < test_space.size(); _i++)
      for (_j = 0; _j < loc_phi.size(); _j++)
      {
        RealEigenVector v = _JxW[_qp] * _coord[_qp] * computeLowerDQpJacobian(type);
        _assembly.saveDiagLocalArrayJacobian(
            _local_ke, _i, test_space.size(), _j, loc_phi.size(), ivar, v);
      }
  }
 
  accumulateTaggedLocalMatrix();
}
 
void
ArrayLowerDIntegratedBC::computeOffDiagJacobian(const unsigned int jvar_num)
{
  ArrayIntegratedBC::computeOffDiagJacobian(jvar_num);
 
  computeLowerDOffDiagJacobian(Moose::LowerLower, jvar_num);
  computeLowerDOffDiagJacobian(Moose::LowerPrimary, jvar_num);
  computeLowerDOffDiagJacobian(Moose::PrimaryLower, jvar_num);
}
 
void
ArrayLowerDIntegratedBC::computeLowerDOffDiagJacobian(Moose::ConstraintJacobianType type,
                                                      const unsigned int jvar_num)
{
  mooseAssert(type == Moose::LowerLower || type == Moose::LowerPrimary ||
                  type == Moose::PrimaryLower,
              "Jacobian types must have lower in computeLowerDJacobian");
 
  const ArrayVariableTestValue & test_space =
      (type == Moose::LowerLower || type == Moose::LowerPrimary) ? _test_lambda : _test;
  unsigned int ivar = (type == Moose::LowerLower || type == Moose::LowerPrimary)
                          ? _lowerd_var.number()
                          : _var.number();
 
  const auto & jvar = getVariable(jvar_num);
 
  // need to transform the type for assembling Jacobian on boundary to be consistent with
  // Assembly::addJacobianLowerD() and Assembly::prepareLowerD().
  Moose::ConstraintJacobianType type_transformed =
      (type == Moose::LowerLower
           ? type
           : (type == Moose::LowerPrimary ? Moose::LowerSecondary : Moose::SecondaryLower));
  prepareMatrixTagLower(_assembly, ivar, jvar_num, type_transformed);
  if (_local_ke.n() == 0 || _local_ke.m() == 0)
    return;
 
  if (jvar.fieldType() == Moose::VarFieldType::VAR_FIELD_STANDARD)
  {
    const auto & jv0 = static_cast<const MooseVariable &>(jvar);
    const VariableTestValue & loc_phi =
        (type == Moose::LowerLower || type == Moose::PrimaryLower) ? jv0.phiLower() : jv0.phiFace();
 
    for (_qp = 0; _qp < _qrule->n_points(); _qp++)
    {
      initLowerDQpOffDiagJacobian(type, jvar);
      for (_i = 0; _i < test_space.size(); _i++)
        for (_j = 0; _j < loc_phi.size(); _j++)
        {
          RealEigenMatrix v = _JxW[_qp] * _coord[_qp] * computeLowerDQpOffDiagJacobian(type, jvar);
          _assembly.saveFullLocalArrayJacobian(
              _local_ke, _i, test_space.size(), _j, loc_phi.size(), ivar, jvar_num, v);
        }
    }
  }
  else if (jvar.fieldType() == Moose::VarFieldType::VAR_FIELD_ARRAY)
  {
    const auto & jv1 = static_cast<const ArrayMooseVariable &>(jvar);
    const ArrayVariableTestValue & loc_phi =
        (type == Moose::LowerLower || type == Moose::PrimaryLower) ? jv1.phiLower() : jv1.phiFace();
 
    for (_qp = 0; _qp < _qrule->n_points(); _qp++)
    {
      initLowerDQpOffDiagJacobian(type, jvar);
      for (_i = 0; _i < test_space.size(); _i++)
        for (_j = 0; _j < loc_phi.size(); _j++)
        {
          RealEigenMatrix v = _JxW[_qp] * _coord[_qp] * computeLowerDQpOffDiagJacobian(type, jvar);
          _assembly.saveFullLocalArrayJacobian(
              _local_ke, _i, test_space.size(), _j, loc_phi.size(), ivar, jvar_num, v);
        }
    }
  }
  else
    mooseError("Vector variable cannot be coupled into array DG kernel currently");
 
  accumulateTaggedLocalMatrix();
}
 
RealEigenMatrix
ArrayLowerDIntegratedBC::computeLowerDQpOffDiagJacobian(Moose::ConstraintJacobianType type,
                                                        const MooseVariableFEBase & jvar)
{
  if (jvar.number() == _var.number())
  {
    if (type == Moose::LowerPrimary)
      return computeLowerDQpJacobian(type).asDiagonal();
  }
  else if (jvar.number() == _lowerd_var.number())
  {
    if (type == Moose::PrimaryLower || type == Moose::LowerLower)
      return computeLowerDQpJacobian(type).asDiagonal();
  }
 
  return RealEigenMatrix::Zero(_count, jvar.count());
}