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 "NullScalarKernel.h"
      11             : 
      12             : // MOOSE includes
      13             : #include "Assembly.h"
      14             : 
      15             : registerMooseObject("MooseApp", NullScalarKernel);
      16             : 
      17             : InputParameters
      18       14265 : NullScalarKernel::validParams()
      19             : {
      20       14265 :   InputParameters params = ScalarKernel::validParams();
      21       14265 :   params.addClassDescription(
      22             :       "Scalar kernel that sets a zero residual, to avoid error from system missing this variable.");
      23       42795 :   params.addParam<Real>("jacobian_fill",
      24       28530 :                         0.0,
      25             :                         "On diagonal Jacobian fill term, potentially needed for preconditioner");
      26       14265 :   return params;
      27           0 : }
      28             : 
      29           0 : NullScalarKernel::NullScalarKernel(const InputParameters & parameters)
      30           0 :   : ScalarKernel(parameters), _jacobian_fill(getParam<Real>("jacobian_fill"))
      31             : {
      32           0 : }
      33             : 
      34             : void
      35           0 : NullScalarKernel::reinit()
      36             : {
      37           0 : }
      38             : 
      39             : Real
      40           0 : NullScalarKernel::computeQpResidual()
      41             : {
      42           0 :   return 0;
      43             : }
      44             : 
      45             : Real
      46           0 : NullScalarKernel::computeQpJacobian()
      47             : {
      48           0 :   return _jacobian_fill;
      49             : }