INSSplitMomentum.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 "Kernel.h"
 
// Forward Declarations
 
class INSSplitMomentum : public Kernel
{
public:
  static InputParameters validParams();
 
  INSSplitMomentum(const InputParameters & parameters);
 
  virtual ~INSSplitMomentum() {}
 
protected:
  virtual Real computeQpResidual();
  virtual Real computeQpJacobian();
  virtual Real computeQpOffDiagJacobian(unsigned jvar);
 
  // Coupled variables
  const VariableValue & _u_vel;
  const VariableValue & _v_vel;
  const VariableValue & _w_vel;
 
  // Acceleration vector components
  const VariableValue & _a1;
  const VariableValue & _a2;
  const VariableValue & _a3;
 
  // Gradients
  const VariableGradient & _grad_u_vel;
  const VariableGradient & _grad_v_vel;
  const VariableGradient & _grad_w_vel;
 
  // Variable numberings
  unsigned _u_vel_var_number;
  unsigned _v_vel_var_number;
  unsigned _w_vel_var_number;
 
  unsigned _a1_var_number;
  unsigned _a2_var_number;
  unsigned _a3_var_number;
 
  // Parameters
  RealVectorValue _gravity;
  unsigned _component;
 
  // Material properties
  const MaterialProperty<Real> & _mu;
  const MaterialProperty<Real> & _rho;
};