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 "Kernel.h"
      13             : 
      14             : // Forward Declarations
      15             : 
      16             : /**
      17             :  * The penalty term may be used when Dirichlet boundary condition is applied to the entire boundary.
      18             :  */
      19             : class INSCompressibilityPenalty : public Kernel
      20             : {
      21             : public:
      22             :   static InputParameters validParams();
      23             : 
      24             :   INSCompressibilityPenalty(const InputParameters & parameters);
      25             : 
      26           0 :   virtual ~INSCompressibilityPenalty() {}
      27             : 
      28             : protected:
      29             :   virtual Real computeQpResidual();
      30             :   virtual Real computeQpJacobian();
      31             :   virtual Real computeQpOffDiagJacobian(unsigned jvar);
      32             : 
      33             :   // penalty value.
      34             :   // smaller leads to more accurate solution, but the resulting system is also more difficult to
      35             :   // solve
      36             :   Real _penalty;
      37             : };