VertexCFD_BoundaryState_IncompressibleLSVOFNoSlip_impl.hpp

#ifndef VERTEXCFD_BOUNDARYSTATE_INCOMPRESSIBLELSVOFNOSLIP_IMPL_HPP
#define VERTEXCFD_BOUNDARYSTATE_INCOMPRESSIBLELSVOFNOSLIP_IMPL_HPP
 
#include "utils/VertexCFD_Utils_PhaseLayout.hpp"
#include "utils/VertexCFD_Utils_VectorField.hpp"
 
#include <Panzer_HierarchicParallelism.hpp>
#include <Panzer_Workset_Utilities.hpp>
#include <Teuchos_StandardParameterEntryValidators.hpp>
 
namespace VertexCFD
{
namespace BoundaryCondition
{
//---------------------------------------------------------------------------//
template<class EvalType, class Traits, int NumSpaceDim>
IncompressibleLSVOFNoSlip<EvalType, Traits, NumSpaceDim>::IncompressibleLSVOFNoSlip(
    const panzer::IntegrationRule& ir,
    const int& num_lsvof_dofs,
    const std::string& continuity_model_name,
    const bool& build_mom_equ)
    : _phase_layout(Utils::buildPhaseLayout(ir.dl_scalar, num_lsvof_dofs))
    , _boundary_lagrange_pressure("BOUNDARY_lagrange_pressure", ir.dl_scalar)
    , _boundary_grad_lagrange_pressure("BOUNDARY_GRAD_lagrange_pressure",
                                       ir.dl_vector)
    , _boundary_alphas("BOUNDARY_volume_fractions", _phase_layout)
    , _lagrange_pressure("lagrange_pressure", ir.dl_scalar)
    , _grad_lagrange_pressure("GRAD_lagrange_pressure", ir.dl_vector)
    , _normals("Side Normal", ir.dl_vector)
    , _alphas("volume_fractions", _phase_layout)
    , _is_edac(continuity_model_name == "EDAC" ? true : false)
    , _build_mom_equ(build_mom_equ)
{
    // Evaluated fields
    if (_build_mom_equ)
    {
        this->addEvaluatedField(_boundary_lagrange_pressure);
        if (_is_edac)
            this->addEvaluatedField(_boundary_grad_lagrange_pressure);
 
        Utils::addEvaluatedVectorField(
            *this, ir.dl_scalar, _boundary_velocity, "BOUNDARY_velocity_");
        Utils::addEvaluatedVectorField(*this,
                                       ir.dl_vector,
                                       _boundary_grad_velocity,
                                       "BOUNDARY_GRAD_velocity_");
    }
 
    this->addEvaluatedField(_boundary_alphas);
 
    // Dependent fields
    if (_build_mom_equ)
    {
        this->addDependentField(_lagrange_pressure);
        if (_is_edac)
            this->addDependentField(_grad_lagrange_pressure);
        this->addDependentField(_normals);
 
        Utils::addDependentVectorField(
            *this, ir.dl_vector, _grad_velocity, "GRAD_velocity_");
    }
 
    this->addDependentField(_alphas);
 
    this->setName("Boundary State Incompressible LSVOF No-Slip");
}
 
//---------------------------------------------------------------------------//
template<class EvalType, class Traits, int NumSpaceDim>
void IncompressibleLSVOFNoSlip<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
IncompressibleLSVOFNoSlip<EvalType, Traits, NumSpaceDim>::operator()(
    const Kokkos::TeamPolicy<PHX::exec_space>::member_type& team) const
{
    const int cell = team.league_rank();
    const int num_point = _boundary_lagrange_pressure.extent(1);
    const int num_grad_dim = _boundary_grad_velocity[0].extent(2);
 
    Kokkos::parallel_for(
        Kokkos::TeamThreadRange(team, 0, num_point), [&](const int point) {
            // Set boundary velocity, pressure, and their gradients
            if (_build_mom_equ)
            {
                for (int vel_dim = 0; vel_dim < num_space_dim; ++vel_dim)
                {
                    _boundary_velocity[vel_dim](cell, point) = 0.0;
                }
 
                _boundary_lagrange_pressure(cell, point)
                    = _lagrange_pressure(cell, point);
 
                // Set gradients at the boundaries.
                for (int d = 0; d < num_grad_dim; ++d)
                {
                    // Initialize lagrange pressure gradient for EDAC model
                    if (_is_edac)
                    {
                        _boundary_grad_lagrange_pressure(cell, point, d)
                            = _grad_lagrange_pressure(cell, point, d);
                    }
 
                    for (int vel_dim = 0; vel_dim < num_space_dim; ++vel_dim)
                    {
                        _boundary_grad_velocity[vel_dim](cell, point, d)
                            = _grad_velocity[vel_dim](cell, point, d);
 
                        // Subtract wall-normal pressure gradient for EDAC
                        // model
                        if (_is_edac)
                        {
                            _boundary_grad_lagrange_pressure(cell, point, d)
                                -= _grad_lagrange_pressure(cell, point, vel_dim)
                                   * _normals(cell, point, vel_dim)
                                   * _normals(cell, point, d);
                        }
                    }
                }
            }
 
            // Set boundary phase fraction fields
            for (size_t phase = 0; phase < _alphas.extent(2); ++phase)
            {
                _boundary_alphas(cell, point, phase)
                    = _alphas(cell, point, phase);
            }
        });
}
 
//---------------------------------------------------------------------------//
 
} // end namespace BoundaryCondition
} // end namespace VertexCFD
 
#endif // VERTEXCFD_BOUNDARYSTATE_INCOMPRESSIBLELSVOFNOSLIP_IMPL_HPP