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             :  * This class computes the "split" momentum equation residual.  In the
      18             :  * split method, this is a time-independent vector equation for "a",
      19             :  * an intermediate "acceleration" vector.  The pressure is not coupled
      20             :  * directly to momentum in the split method.  Note: this equation is
      21             :  * divided through by the density, so "nu" appears rather than "mu", for
      22             :  * instance.
      23             :  *
      24             :  * Do not use, USE INSChorinPredictor and related classes instead.
      25             :  */
      26             : class INSSplitMomentum : public Kernel
      27             : {
      28             : public:
      29             :   static InputParameters validParams();
      30             : 
      31             :   INSSplitMomentum(const InputParameters & parameters);
      32             : 
      33           0 :   virtual ~INSSplitMomentum() {}
      34             : 
      35             : protected:
      36             :   virtual Real computeQpResidual();
      37             :   virtual Real computeQpJacobian();
      38             :   virtual Real computeQpOffDiagJacobian(unsigned jvar);
      39             : 
      40             :   // Coupled variables
      41             :   const VariableValue & _u_vel;
      42             :   const VariableValue & _v_vel;
      43             :   const VariableValue & _w_vel;
      44             : 
      45             :   // Acceleration vector components
      46             :   const VariableValue & _a1;
      47             :   const VariableValue & _a2;
      48             :   const VariableValue & _a3;
      49             : 
      50             :   // Gradients
      51             :   const VariableGradient & _grad_u_vel;
      52             :   const VariableGradient & _grad_v_vel;
      53             :   const VariableGradient & _grad_w_vel;
      54             : 
      55             :   // Variable numberings
      56             :   unsigned _u_vel_var_number;
      57             :   unsigned _v_vel_var_number;
      58             :   unsigned _w_vel_var_number;
      59             : 
      60             :   unsigned _a1_var_number;
      61             :   unsigned _a2_var_number;
      62             :   unsigned _a3_var_number;
      63             : 
      64             :   // Parameters
      65             :   RealVectorValue _gravity;
      66             :   unsigned _component;
      67             : 
      68             :   // Material properties
      69             :   const MaterialProperty<Real> & _mu;
      70             :   const MaterialProperty<Real> & _rho;
      71             : };