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             : // Navier-Stokes inclues
      11             : #include "NS.h"
      12             : #include "NSPressureNeumannBC.h"
      13             : 
      14             : registerMooseObject("NavierStokesApp", NSPressureNeumannBC);
      15             : 
      16             : InputParameters
      17          82 : NSPressureNeumannBC::validParams()
      18             : {
      19          82 :   InputParameters params = NSIntegratedBC::validParams();
      20             : 
      21          82 :   params.addClassDescription("This kernel is appropriate for use with a 'zero normal flow' "
      22             :                              "boundary condition in the context of the Euler equations.");
      23          82 :   params.addRequiredCoupledVar(NS::pressure, "The current value of the pressure");
      24         164 :   params.addRequiredParam<unsigned>(
      25             :       "component", "(0,1,2) = (x,y,z) for which momentum component this BC is applied to");
      26             : 
      27          82 :   return params;
      28           0 : }
      29             : 
      30          44 : NSPressureNeumannBC::NSPressureNeumannBC(const InputParameters & parameters)
      31             :   : NSIntegratedBC(parameters),
      32          88 :     _pressure(coupledValue(NS::pressure)),
      33          88 :     _component(getParam<unsigned>("component")),
      34          44 :     _pressure_derivs(*this)
      35             : {
      36          44 : }
      37             : 
      38             : Real
      39     1370880 : NSPressureNeumannBC::computeQpResidual()
      40             : {
      41     1370880 :   return _pressure[_qp] * _normals[_qp](_component) * _test[_i][_qp];
      42             : }
      43             : 
      44             : Real
      45      838656 : NSPressureNeumannBC::computeQpJacobian()
      46             : {
      47      838656 :   return computeJacobianHelper(_component +
      48      838656 :                                1); // <-- the on-diagonal variable number is _component+1
      49             : }
      50             : 
      51             : Real
      52     2515968 : NSPressureNeumannBC::computeQpOffDiagJacobian(unsigned jvar)
      53             : {
      54     2515968 :   if (isNSVariable(jvar))
      55     2515968 :     return computeJacobianHelper(mapVarNumber(jvar));
      56             :   else
      57             :     return 0.0;
      58             : }
      59             : 
      60             : Real
      61     3354624 : NSPressureNeumannBC::computeJacobianHelper(unsigned m)
      62             : {
      63     3354624 :   return _normals[_qp](_component) * _pressure_derivs.get_grad(m) * _phi[_j][_qp] * _test[_i][_qp];
      64             : }