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 "ElementL2Difference.h"
      11             : #include "Function.h"
      12             : 
      13             : registerMooseObject("MooseApp", ElementL2Difference);
      14             : 
      15             : InputParameters
      16       21849 : ElementL2Difference::validParams()
      17             : {
      18       21849 :   InputParameters params = ElementIntegralVariablePostprocessor::validParams();
      19       21849 :   params.addRequiredCoupledVar("other_variable", "The variable to compare to");
      20             : 
      21       21849 :   params.addClassDescription("Computes the element-wise L2 difference between the current variable "
      22             :                              "and a coupled variable.");
      23       21849 :   return params;
      24           0 : }
      25             : 
      26        3944 : ElementL2Difference::ElementL2Difference(const InputParameters & parameters)
      27        3944 :   : ElementIntegralVariablePostprocessor(parameters), _other_var(coupledValue("other_variable"))
      28             : {
      29        3944 : }
      30             : 
      31             : Real
      32        3336 : ElementL2Difference::getValue() const
      33             : {
      34        3336 :   return std::sqrt(ElementIntegralPostprocessor::getValue());
      35             : }
      36             : 
      37             : Real
      38     4606208 : ElementL2Difference::computeQpIntegral()
      39             : {
      40     4606208 :   Real diff = _u[_qp] - _other_var[_qp];
      41     4606208 :   return diff * diff;
      42             : }