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 includes
      11             : #include "NS.h"
      12             : #include "NSMomentumInviscidSpecifiedNormalFlowBC.h"
      13             : 
      14             : registerMooseObject("NavierStokesApp", NSMomentumInviscidSpecifiedNormalFlowBC);
      15             : 
      16             : InputParameters
      17           0 : NSMomentumInviscidSpecifiedNormalFlowBC::validParams()
      18             : {
      19           0 :   InputParameters params = NSMomentumInviscidBC::validParams();
      20           0 :   params.addClassDescription("Momentum equation boundary condition in which pressure is specified "
      21             :                              "(given) and the value of the convective part is allowed to vary (is "
      22             :                              "computed implicitly).");
      23           0 :   params.addRequiredCoupledVar(NS::pressure, "pressure");
      24           0 :   params.addRequiredParam<Real>(
      25             :       "rhou_udotn", "The _component'th entry of the (rho*u)(u.n) vector for this boundary");
      26           0 :   return params;
      27           0 : }
      28             : 
      29           0 : NSMomentumInviscidSpecifiedNormalFlowBC::NSMomentumInviscidSpecifiedNormalFlowBC(
      30           0 :     const InputParameters & parameters)
      31             :   : NSMomentumInviscidBC(parameters),
      32           0 :     _pressure(coupledValue(NS::pressure)),
      33           0 :     _rhou_udotn(getParam<Real>("rhou_udotn"))
      34             : {
      35           0 : }
      36             : 
      37             : Real
      38           0 : NSMomentumInviscidSpecifiedNormalFlowBC::computeQpResidual()
      39             : {
      40           0 :   return pressureQpResidualHelper(_pressure[_qp]) + convectiveQpResidualHelper(_rhou_udotn);
      41             : }
      42             : 
      43             : Real
      44           0 : NSMomentumInviscidSpecifiedNormalFlowBC::computeQpJacobian()
      45             : {
      46             :   // There is no Jacobian for the convective term when (rho*u)(u.n) is specified,
      47             :   // so all we have left is the pressure jacobian.  The on-diagonal variable number
      48             :   // is _component+1
      49           0 :   return pressureQpJacobianHelper(_component + 1);
      50             : }
      51             : 
      52             : Real
      53           0 : NSMomentumInviscidSpecifiedNormalFlowBC::computeQpOffDiagJacobian(unsigned jvar)
      54             : {
      55           0 :   if (isNSVariable(jvar))
      56           0 :     return pressureQpJacobianHelper(mapVarNumber(jvar));
      57             :   else
      58             :     return 0.0;
      59             : }