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             : #pragma once
      11             : 
      12             : #include "IntegratedBC.h"
      13             : 
      14             : // Forward Declarations
      15             : 
      16             : /**
      17             :  * This class implements a form of the Neumann boundary condition in
      18             :  * which the boundary term is treated "implicitly".  This concept is
      19             :  * discussed by Griffiths, Papanastiou, and others.
      20             :  */
      21             : class ImplicitNeumannBC : public IntegratedBC
      22             : {
      23             : public:
      24             :   static InputParameters validParams();
      25             : 
      26             :   ImplicitNeumannBC(const InputParameters & parameters);
      27             : 
      28           0 :   virtual ~ImplicitNeumannBC() {}
      29             : 
      30             : protected:
      31             :   virtual Real computeQpResidual();
      32             :   virtual Real computeQpJacobian();
      33             :   virtual Real computeQpOffDiagJacobian(unsigned jvar);
      34             : };