VertexCFD_Closure_VariableConvectiveFlux_impl.hpp

#ifndef VERTEXCFD_CLOSURE_VARIABLECONVECTIVEFLUX_IMPL_HPP
#define VERTEXCFD_CLOSURE_VARIABLECONVECTIVEFLUX_IMPL_HPP
 
#include <utils/VertexCFD_Utils_VectorField.hpp>
 
#include <Panzer_HierarchicParallelism.hpp>
 
#include <string>
 
namespace VertexCFD
{
namespace ClosureModel
{
//---------------------------------------------------------------------------//
template<class EvalType, class Traits, int NumSpaceDim>
VariableConvectiveFlux<EvalType, Traits, NumSpaceDim>::VariableConvectiveFlux(
    const panzer::IntegrationRule& ir,
    const Teuchos::ParameterList& closure_params,
    const std::string& flux_prefix,
    const std::string& field_prefix)
    : _variable_name(closure_params.get<std::string>("Field Name"))
    , _equation_name(closure_params.get<std::string>("Equation Name"))
    , _var_flux(flux_prefix + "CONVECTIVE_FLUX_" + _equation_name, ir.dl_vector)
    , _var(field_prefix + _variable_name, ir.dl_scalar)
{
    // Evaluated fields
    this->addEvaluatedField(_var_flux);
 
    // Dependent fields
    this->addDependentField(_var);
 
    Utils::addDependentVectorField(
        *this, ir.dl_scalar, _velocity, field_prefix + "velocity_");
 
    this->setName(_equation_name + " Convective Flux "
                  + std::to_string(num_space_dim) + "D");
}
 
//---------------------------------------------------------------------------//
template<class EvalType, class Traits, int NumSpaceDim>
void VariableConvectiveFlux<EvalType, Traits, NumSpaceDim>::evaluateFields(
    typename Traits::EvalData workset)
{
    auto policy = panzer::HP::inst().teamPolicy<scalar_type, PHX::Device>(
        workset.num_cells);
    Kokkos::parallel_for(this->getName(), policy, *this);
}
 
//---------------------------------------------------------------------------//
template<class EvalType, class Traits, int NumSpaceDim>
KOKKOS_INLINE_FUNCTION void
VariableConvectiveFlux<EvalType, Traits, NumSpaceDim>::operator()(
    const Kokkos::TeamPolicy<PHX::exec_space>::member_type& team) const
{
    const int cell = team.league_rank();
    const int num_point = _var_flux.extent(1);
    const int num_grad_dim = _var_flux.extent(2);
 
    Kokkos::parallel_for(
        Kokkos::TeamThreadRange(team, 0, num_point), [&](const int point) {
            for (int dim = 0; dim < num_grad_dim; ++dim)
            {
                _var_flux(cell, point, dim) = _var(cell, point)
                                              * _velocity[dim](cell, point);
            }
        });
}
 
//---------------------------------------------------------------------------//
 
} // end namespace ClosureModel
} // end namespace VertexCFD
 
#endif // end VERTEXCFD_CLOSURE_VARIABLECONVECTIVEFLUX_IMPL_HPP