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 "KokkosKernel.h"
      13             : 
      14             : /**
      15             :  * This calculates the time derivative for a coupled variable
      16             :  **/
      17             : class KokkosCoupledTimeDerivative final : public Moose::Kokkos::Kernel<KokkosCoupledTimeDerivative>
      18             : {
      19             : public:
      20             :   static InputParameters validParams();
      21             : 
      22             :   KokkosCoupledTimeDerivative(const InputParameters & parameters);
      23             : 
      24             :   KOKKOS_FUNCTION Real computeQpResidual(const unsigned int i,
      25             :                                          const unsigned int qp,
      26             :                                          ResidualDatum & datum) const;
      27             :   KOKKOS_FUNCTION Real computeQpOffDiagJacobian(const unsigned int i,
      28             :                                                 const unsigned int j,
      29             :                                                 const unsigned int jvar,
      30             :                                                 const unsigned int qp,
      31             :                                                 ResidualDatum & datum) const;
      32             : 
      33             : protected:
      34             :   const Moose::Kokkos::VariableValue _v_dot;
      35             :   const Moose::Kokkos::Scalar<const Real> _dv_dot;
      36             :   const unsigned int _v_var;
      37             : };
      38             : 
      39             : KOKKOS_FUNCTION inline Real
      40      250000 : KokkosCoupledTimeDerivative::computeQpResidual(const unsigned int i,
      41             :                                                const unsigned int qp,
      42             :                                                ResidualDatum & datum) const
      43             : {
      44      250000 :   return _test(datum, i, qp) * _v_dot(datum, qp);
      45             : }
      46             : 
      47             : KOKKOS_FUNCTION inline Real
      48       35200 : KokkosCoupledTimeDerivative::computeQpOffDiagJacobian(const unsigned int i,
      49             :                                                       const unsigned int j,
      50             :                                                       const unsigned int jvar,
      51             :                                                       const unsigned int qp,
      52             :                                                       ResidualDatum & datum) const
      53             : {
      54       35200 :   if (jvar == _v_var)
      55       35200 :     return _test(datum, i, qp) * _phi(datum, j, qp) * _dv_dot;
      56             :   else
      57           0 :     return 0;
      58             : }