KokkosSinDirichletBC.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 "KokkosNodalBC.h"
 
class KokkosSinDirichletBC : public Moose::Kokkos::NodalBC
{
public:
  static InputParameters validParams();
 
  KokkosSinDirichletBC(const InputParameters & parameters);
 
  template <typename Derived>
  KOKKOS_FUNCTION Real computeQpResidual(const unsigned int qp, AssemblyDatum & datum) const;
 
private:
  const Real _initial;
  const Real _final;
  const Real _duration;
  const Real _omega;
};
 
template <typename Derived>
KOKKOS_FUNCTION Real
KokkosSinDirichletBC::computeQpResidual(const unsigned int qp, AssemblyDatum & datum) const
{
  Real value;
  if (_t < _duration)
    value = _initial + (_final - _initial) * ::Kokkos::sin(_omega * _t);
  else
    value = _final;
 
  return _u(datum, qp) - value;
}