FunctionDiracSource.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 "FunctionDiracSource.h"
#include "Function.h"
 
registerMooseObject("MooseApp", FunctionDiracSource);
 
InputParameters
FunctionDiracSource::validParams()
{
  InputParameters params = DiracKernel::validParams();
  params.addClassDescription("Residual contribution from a point source defined by a function.");
  params.addRequiredParam<FunctionName>(
      "function", "The function to use for controlling the specified dirac source.");
  params.addRequiredParam<Point>("point", "The x,y,z coordinates of the point");
  return params;
}
 
FunctionDiracSource::FunctionDiracSource(const InputParameters & parameters)
  : DiracKernel(parameters), _function(getFunction("function")), _p(getParam<Point>("point"))
{
}
 
void
FunctionDiracSource::addPoints()
{
  addPoint(_p);
}
 
Real
FunctionDiracSource::computeQpResidual()
{
  return -_test[_i][_qp] * _function.value(_t, _p);
}