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 "VectorDivPenaltyDirichletBC.h"
      11             : #include "Function.h"
      12             : 
      13             : registerMooseObject("MooseApp", VectorDivPenaltyDirichletBC);
      14             : 
      15             : InputParameters
      16       14565 : VectorDivPenaltyDirichletBC::validParams()
      17             : {
      18       14565 :   InputParameters params = VectorIntegratedBC::validParams();
      19       14565 :   params.addRequiredParam<Real>("penalty", "The penalty coefficient");
      20       14565 :   params.addParam<FunctionName>("function",
      21             :                                 "The boundary condition vector function, "
      22             :                                 "use as an alternative to a component-wise specification");
      23       14565 :   params.addParam<FunctionName>("function_x", 0, "The function for the x component");
      24       14565 :   params.addParam<FunctionName>("function_y", 0, "The function for the y component");
      25       14565 :   params.addParam<FunctionName>("function_z", 0, "The function for the z component");
      26       14565 :   params.addClassDescription("Enforces, in a weak sense, a Dirichlet boundary condition on the "
      27             :                              "divergence of a nonlinear vector variable by applying a penalty to "
      28             :                              "the difference between the current solution and the Dirichlet data.");
      29       14565 :   return params;
      30           0 : }
      31             : 
      32         156 : VectorDivPenaltyDirichletBC::VectorDivPenaltyDirichletBC(const InputParameters & parameters)
      33             :   : VectorIntegratedBC(parameters),
      34         156 :     _penalty(getParam<Real>("penalty")),
      35         156 :     _function(isParamValid("function") ? &getFunction("function") : nullptr),
      36         156 :     _function_x(getFunction("function_x")),
      37         156 :     _function_y(getFunction("function_y")),
      38         312 :     _function_z(getFunction("function_z"))
      39             : {
      40         156 : }
      41             : 
      42             : Real
      43      314880 : VectorDivPenaltyDirichletBC::computeQpResidual()
      44             : {
      45      314880 :   RealVectorValue u_exact;
      46      314880 :   if (_function)
      47      314880 :     u_exact = _function->vectorValue(_t, _q_point[_qp]);
      48             :   else
      49           0 :     u_exact = {_function_x.value(_t, _q_point[_qp]),
      50           0 :                _function_y.value(_t, _q_point[_qp]),
      51           0 :                _function_z.value(_t, _q_point[_qp])};
      52             : 
      53      314880 :   return _penalty * ((_u[_qp] - u_exact) * _normals[_qp]) * (_test[_i][_qp] * _normals[_qp]);
      54             : }
      55             : 
      56             : Real
      57     1420800 : VectorDivPenaltyDirichletBC::computeQpJacobian()
      58             : {
      59     1420800 :   return _penalty * (_phi[_j][_qp] * _normals[_qp]) * (_test[_i][_qp] * _normals[_qp]);
      60             : }