ScalarKernelBase.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 "ScalarKernelBase.h"
#include "Assembly.h"
#include "MooseVariableScalar.h"
#include "MooseVariableFE.h"
#include "Problem.h"
#include "SubProblem.h"
#include "NonlinearSystem.h"
 
InputParameters
ScalarKernelBase::validParams()
{
  InputParameters params = ResidualObject::validParams();
  params.addParam<bool>("use_displaced_mesh",
                        false,
                        "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.");
  params.addParamNamesToGroup("use_displaced_mesh", "Advanced");
 
  params.registerBase("ScalarKernel");
  params.registerSystemAttributeName("ScalarKernel");
 
  return params;
}
 
ScalarKernelBase::ScalarKernelBase(const InputParameters & parameters)
  : ResidualObject(parameters),
    ScalarCoupleable(this),
    _var(_sys.getScalarVariable(_tid, parameters.get<NonlinearVariableName>("variable")))
{
}
 
const VariableValue &
ScalarKernelBase::uOld() const
{
  if (_sys.solutionStatesInitialized())
    mooseError("The solution states have already been initialized when calling ",
               type(),
               "::uOld().\n\n",
               "Make sure to call uOld() within the object constructor.");
 
  return _var.slnOld();
}