MomentumFreeSlipBC.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "NodalNormalBC.h"
 
class MomentumFreeSlipBC : public NodalNormalBC
{
public:
  static InputParameters validParams();
 
  MomentumFreeSlipBC(const InputParameters & parameters);
  virtual ~MomentumFreeSlipBC();
 
  virtual bool shouldApply() const override;
  virtual void computeResidual() override;
 
protected:
  Real computeQpResidual() override { mooseError("Function unused"); }
 
  const unsigned int _mesh_dimension;
 
  const VariableValue & _rho_u;
  const VariableValue & _rho_v;
  const VariableValue & _rho_w;
 
  const MooseVariable * const _rho_u_var;
  const MooseVariable * const _rho_v_var;
  const MooseVariable * const _rho_w_var;
};