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             : #include "IntegralPreservingFunctionIC.h"
      11             : #include "Function.h"
      12             : #include "UserObject.h"
      13             : 
      14             : registerMooseObject("MooseApp", IntegralPreservingFunctionIC);
      15             : 
      16             : InputParameters
      17       14326 : IntegralPreservingFunctionIC::validParams()
      18             : {
      19       14326 :   InputParameters params = FunctionIC::validParams();
      20       14326 :   params.addRequiredParam<PostprocessorName>(
      21             :       "integral", "Postprocessor providing the integral of the function, for normalization");
      22       14326 :   params.addRequiredParam<Real>("magnitude",
      23             :                                 "Desired magnitude of the initial condition upon integration");
      24       14326 :   params.addClassDescription("Function initial condition that preserves an integral");
      25       14326 :   return params;
      26           0 : }
      27             : 
      28          32 : IntegralPreservingFunctionIC::IntegralPreservingFunctionIC(const InputParameters & parameters)
      29             :   : FunctionIC(parameters),
      30          32 :     _pp_name(getParam<PostprocessorName>("integral")),
      31          32 :     _integral(getPostprocessorValue("integral")),
      32          64 :     _magnitude(getParam<Real>("magnitude"))
      33             : {
      34          32 : }
      35             : 
      36             : void
      37          30 : IntegralPreservingFunctionIC::initialSetup()
      38             : {
      39          30 :   const UserObject & pp = _fe_problem.getUserObject<UserObject>(_pp_name);
      40          30 :   if (!pp.getExecuteOnEnum().isValueSet(EXEC_INITIAL))
      41           4 :     mooseError("The 'execute_on' parameter for the '" + _pp_name +
      42             :                "' postprocessor must include 'initial'!");
      43          26 : }
      44             : 
      45             : Real
      46        4031 : IntegralPreservingFunctionIC::value(const Point & p)
      47             : {
      48        4031 :   if (std::abs(_integral) < libMesh::TOLERANCE)
      49           3 :     mooseError("The integral of '" + _pp_name + "' cannot be zero!");
      50             : 
      51        4028 :   return magnitude() * _func.value(_t, p) / _integral;
      52             : }