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 "VariableGradientComponent.h"
      11             : 
      12             : registerMooseObject("MooseApp", VariableGradientComponent);
      13             : 
      14             : InputParameters
      15       14365 : VariableGradientComponent::validParams()
      16             : {
      17       14365 :   MooseEnum component("x=0 y=1 z=2");
      18       14365 :   InputParameters params = AuxKernel::validParams();
      19       14365 :   params.addClassDescription(
      20             :       "Creates a field consisting of one component of the gradient of a coupled variable.");
      21       14365 :   params.addRequiredCoupledVar("gradient_variable",
      22             :                                "The variable from which to compute the gradient component");
      23       14365 :   params.addParam<MooseEnum>("component", component, "The gradient component to compute");
      24       28730 :   return params;
      25       14365 : }
      26             : 
      27          52 : VariableGradientComponent::VariableGradientComponent(const InputParameters & parameters)
      28             :   : AuxKernel(parameters),
      29          52 :     _gradient(coupledGradient("gradient_variable")),
      30         104 :     _component(getParam<MooseEnum>("component"))
      31             : {
      32          52 : }
      33             : 
      34             : Real
      35      105600 : VariableGradientComponent::computeValue()
      36             : {
      37      105600 :   return _gradient[_qp](_component);
      38             : }