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 "CoupledTimeDerivative.h"
      11             : 
      12             : registerMooseObject("MooseApp", CoupledTimeDerivative);
      13             : 
      14             : InputParameters
      15       14290 : CoupledTimeDerivative::validParams()
      16             : {
      17       14290 :   InputParameters params = Kernel::validParams();
      18       14290 :   params.addClassDescription("Time derivative Kernel that acts on a coupled variable. Weak form: "
      19             :                              "$(\\psi_i, \\frac{\\partial v_h}{\\partial t})$.");
      20       14290 :   params.addRequiredCoupledVar("v", "Coupled variable");
      21       14290 :   return params;
      22           0 : }
      23             : 
      24          13 : CoupledTimeDerivative::CoupledTimeDerivative(const InputParameters & parameters)
      25          13 :   : Kernel(parameters), _v_dot(coupledDot("v")), _dv_dot(coupledDotDu("v")), _v_var(coupled("v"))
      26             : {
      27          13 : }
      28             : 
      29             : Real
      30        9600 : CoupledTimeDerivative::computeQpResidual()
      31             : {
      32        9600 :   return _test[_i][_qp] * _v_dot[_qp];
      33             : }
      34             : 
      35             : Real
      36       25600 : CoupledTimeDerivative::computeQpJacobian()
      37             : {
      38       25600 :   return 0.0;
      39             : }
      40             : 
      41             : Real
      42       25600 : CoupledTimeDerivative::computeQpOffDiagJacobian(unsigned int jvar)
      43             : {
      44       25600 :   if (jvar == _v_var)
      45       25600 :     return _test[_i][_qp] * _phi[_j][_qp] * _dv_dot[_qp];
      46             : 
      47           0 :   return 0.0;
      48             : }