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MaterialProperty.templates.hh
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MaterialProperty.templates.hh
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/* Copyright (c) 2016 - 2024, the adamantine authors.
*
* This file is subject to the Modified BSD License and may not be distributed
* without copyright and license information. Please refer to the file LICENSE
* for the text and further information on this license.
*/
#include <MaterialProperty.hh>
#include <deal.II/base/aligned_vector.h>
#include <deal.II/base/array_view.h>
#include <deal.II/base/point.h>
#include <deal.II/base/quadrature_lib.h>
#include <deal.II/base/types.h>
#include <deal.II/base/vectorization.h>
#include <deal.II/dofs/dof_handler.h>
#include <deal.II/fe/fe_values.h>
#include <deal.II/fe/mapping.h>
#include <deal.II/grid/manifold.h>
#include <deal.II/hp/fe_values.h>
#include <deal.II/hp/q_collection.h>
#include <deal.II/lac/la_parallel_vector.h>
#include <boost/algorithm/string/split.hpp>
#include <boost/optional.hpp>
#include <Kokkos_Core_fwd.hpp>
#include <algorithm>
#include <type_traits>
namespace adamantine
{
namespace internal
{
template <int dim>
void compute_average(
unsigned int const n_q_points, unsigned int const dofs_per_cell,
dealii::DoFHandler<dim> const &mp_dof_handler,
dealii::DoFHandler<dim> const &temperature_dof_handler,
dealii::hp::FEValues<dim> &hp_fe_values,
dealii::LA::distributed::Vector<double, dealii::MemorySpace::Host> const
&temperature,
dealii::LA::distributed::Vector<double, dealii::MemorySpace::Host>
&temperature_average)
{
std::vector<dealii::types::global_dof_index> mp_dof_indices(1);
std::vector<dealii::types::global_dof_index> enth_dof_indices(dofs_per_cell);
auto mp_cell = mp_dof_handler.begin_active();
auto mp_end_cell = mp_dof_handler.end();
auto enth_cell = temperature_dof_handler.begin_active();
for (; mp_cell != mp_end_cell; ++enth_cell, ++mp_cell)
{
ASSERT(mp_cell->is_locally_owned() == enth_cell->is_locally_owned(),
"Internal Error");
if ((mp_cell->is_locally_owned()) && (enth_cell->active_fe_index() == 0))
{
hp_fe_values.reinit(enth_cell);
dealii::FEValues<dim> const &fe_values =
hp_fe_values.get_present_fe_values();
mp_cell->get_dof_indices(mp_dof_indices);
dealii::types::global_dof_index const mp_dof_index = mp_dof_indices[0];
enth_cell->get_dof_indices(enth_dof_indices);
double volume = 0.;
for (unsigned int q = 0; q < n_q_points; ++q)
for (unsigned int i = 0; i < dofs_per_cell; ++i)
{
volume += fe_values.shape_value(i, q) * fe_values.JxW(q);
temperature_average[mp_dof_index] +=
fe_values.shape_value(i, q) * temperature[enth_dof_indices[i]] *
fe_values.JxW(q);
}
temperature_average[mp_dof_index] /= volume;
}
}
}
template <typename ViewType,
std::enable_if_t<
std::is_same_v<typename ViewType::memory_space,
typename dealii::MemorySpace::Host::kokkos_space>,
int> = 0>
double get_value(ViewType &view, unsigned int i, unsigned int j)
{
return view(i, j);
}
template <int dim>
void compute_average(
unsigned int const n_q_points, unsigned int const dofs_per_cell,
dealii::DoFHandler<dim> const &mp_dof_handler,
dealii::DoFHandler<dim> const &temperature_dof_handler,
dealii::hp::FEValues<dim> &hp_fe_values,
dealii::LA::distributed::Vector<double, dealii::MemorySpace::Default> const
&temperature,
dealii::LA::distributed::Vector<double, dealii::MemorySpace::Default>
&temperature_average)
{
dealii::LA::distributed::Vector<double, dealii::MemorySpace::Host>
temperature_host(temperature.get_partitioner());
temperature_host.import(temperature, dealii::VectorOperation::insert);
dealii::LA::distributed::Vector<double, dealii::MemorySpace::Host>
temperature_average_host(temperature_average.get_partitioner());
temperature_average_host = 0.;
compute_average(n_q_points, dofs_per_cell, mp_dof_handler,
temperature_dof_handler, hp_fe_values, temperature_host,
temperature_average_host);
temperature_average.import(temperature_average_host,
dealii::VectorOperation::insert);
}
template <typename ViewType,
std::enable_if_t<
!std::is_same_v<typename ViewType::memory_space,
typename dealii::MemorySpace::Host::kokkos_space>,
int> = 0>
double get_value(ViewType &view, unsigned int i, unsigned int j)
{
auto view_host =
Kokkos::create_mirror_view_and_copy(Kokkos::HostSpace{}, view);
return view_host(i, j);
}
} // namespace internal
template <int dim, typename MemorySpaceType>
MaterialProperty<dim, MemorySpaceType>::MaterialProperty(
MPI_Comm const &communicator,
dealii::parallel::distributed::Triangulation<dim> const &tria,
boost::property_tree::ptree const &database)
: _communicator(communicator), _fe(0), _mp_dof_handler(tria)
{
// Because deal.II cannot easily attach data to a cell. We store the state
// of the material in distributed::Vector. This allows to use deal.II to
// compute the new state after refinement of the mesh. However, this
// requires to use another DoFHandler.
reinit_dofs();
// Set the material state to the state defined in the geometry.
set_initial_state();
// Fill the _properties map
fill_properties(database);
}
template <int dim, typename MemorySpaceType>
MaterialProperty<dim, MemorySpaceType>::MaterialProperty(
MaterialProperty<dim, MemorySpaceType> const &other)
: _use_table(other._use_table),
_state_property_tables(other._state_property_tables),
_state_property_polynomials(other._state_property_polynomials),
_properties(other._properties), _state(other._state),
_property_values(other._property_values), _fe(0)
{
}
template <int dim, typename MemorySpaceType>
double MaterialProperty<dim, MemorySpaceType>::get_cell_value(
typename dealii::Triangulation<dim>::active_cell_iterator const &cell,
StateProperty prop) const
{
unsigned int property = static_cast<unsigned int>(prop);
auto const mp_dof_index = get_dof_index(cell);
// FIXME this is extremely slow on CUDA but this function should not exist in
// the first place
return internal::get_value(_property_values, property, mp_dof_index);
}
template <int dim, typename MemorySpaceType>
double MaterialProperty<dim, MemorySpaceType>::get_cell_value(
typename dealii::Triangulation<dim>::active_cell_iterator const &cell,
Property prop) const
{
dealii::types::material_id material_id = cell->material_id();
unsigned int property = static_cast<unsigned int>(prop);
// FIXME this is extremely slow on CUDA but this function should not exist in
// the first place
return internal::get_value(_properties, material_id, property);
}
template <int dim, typename MemorySpaceType>
double MaterialProperty<dim, MemorySpaceType>::get_mechanical_property(
typename dealii::Triangulation<dim>::active_cell_iterator const &cell,
StateProperty prop) const
{
unsigned int property =
static_cast<unsigned int>(prop) - g_n_thermal_state_properties;
ASSERT(property < g_n_mechanical_state_properties,
"Unknown mechanical property requested.");
return _mechanical_properties_host(cell->material_id(), property);
}
template <int dim, typename MemorySpaceType>
double MaterialProperty<dim, MemorySpaceType>::get_state_ratio(
typename dealii::Triangulation<dim>::active_cell_iterator const &cell,
MaterialState material_state) const
{
auto const mp_dof_index = get_dof_index(cell);
auto const mat_state = static_cast<unsigned int>(material_state);
// FIXME this is extremely slow on CUDA but this function should not exist in
// the first place
return internal::get_value(_state, mat_state, mp_dof_index);
}
template <int dim, typename MemorySpaceType>
void MaterialProperty<dim, MemorySpaceType>::reinit_dofs()
{
_mp_dof_handler.distribute_dofs(_fe);
// Initialize _dofs_map
_dofs_map.clear();
unsigned int i = 0;
std::vector<dealii::types::global_dof_index> mp_dof(1);
for (auto cell :
dealii::filter_iterators(_mp_dof_handler.active_cell_iterators(),
dealii::IteratorFilters::LocallyOwnedCell()))
{
cell->get_dof_indices(mp_dof);
_dofs_map[mp_dof[0]] = i;
++i;
}
_state = Kokkos::View<double **, typename MemorySpaceType::kokkos_space>(
"state", g_n_material_states, _dofs_map.size());
#ifdef ADAMANTINE_DEBUG
if constexpr (std::is_same_v<MemorySpaceType, dealii::MemorySpace::Host>)
{
Kokkos::parallel_for(
"adamantine::set_state_nan",
Kokkos::MDRangePolicy<Kokkos::DefaultHostExecutionSpace,
Kokkos::Rank<2>>(
{{0, 0}},
{{g_n_material_states, static_cast<int>(_dofs_map.size())}}),
KOKKOS_CLASS_LAMBDA(int i, int j) {
_state(i, j) = std::numeric_limits<double>::signaling_NaN();
});
}
#endif
}
template <int dim, typename MemorySpaceType>
void MaterialProperty<dim, MemorySpaceType>::update(
dealii::DoFHandler<dim> const &temperature_dof_handler,
dealii::LA::distributed::Vector<double, MemorySpaceType> const &temperature)
{
auto temperature_average =
compute_average_temperature(temperature_dof_handler, temperature);
// Set View to zero in purpose
_property_values =
Kokkos::View<double **, typename MemorySpaceType::kokkos_space>(
"property_values", g_n_thermal_state_properties, _dofs_map.size());
std::vector<dealii::types::global_dof_index> mp_dofs_vec;
std::vector<dealii::types::material_id> material_ids_vec;
for (auto cell :
dealii::filter_iterators(_mp_dof_handler.active_cell_iterators(),
dealii::IteratorFilters::LocallyOwnedCell()))
{
std::vector<dealii::types::global_dof_index> mp_dof(1);
cell->get_dof_indices(mp_dof);
mp_dofs_vec.push_back(_dofs_map.at(mp_dof[0]));
material_ids_vec.push_back(cell->material_id());
}
unsigned int const material_ids_size = material_ids_vec.size();
Kokkos::View<dealii::types::material_id *, Kokkos::HostSpace> material_ids(
material_ids_vec.data(), material_ids_size);
auto material_ids_mirror = Kokkos::create_mirror_view_and_copy(
typename MemorySpaceType::kokkos_space{}, material_ids);
Kokkos::View<dealii::types::global_dof_index *, Kokkos::HostSpace> mp_dofs(
mp_dofs_vec.data(), mp_dofs_vec.size());
auto mp_dofs_mirror = Kokkos::create_mirror_view_and_copy(
typename MemorySpaceType::kokkos_space{}, mp_dofs);
double *temperature_average_local = temperature_average.get_values();
using ExecutionSpace = std::conditional_t<
std::is_same_v<MemorySpaceType, dealii::MemorySpace::Host>,
Kokkos::DefaultHostExecutionSpace, Kokkos::DefaultExecutionSpace>;
Kokkos::parallel_for(
"adamantine::update_material_properties",
Kokkos::RangePolicy<ExecutionSpace>(0, material_ids_size),
KOKKOS_CLASS_LAMBDA(int i) {
unsigned int constexpr liquid =
static_cast<unsigned int>(MaterialState::liquid);
unsigned int constexpr powder =
static_cast<unsigned int>(MaterialState::powder);
unsigned int constexpr solid =
static_cast<unsigned int>(MaterialState::solid);
unsigned int constexpr prop_solidus =
static_cast<unsigned int>(Property::solidus);
unsigned int constexpr prop_liquidus =
static_cast<unsigned int>(Property::liquidus);
dealii::types::material_id material_id = material_ids_mirror(i);
double const solidus = _properties(material_id, prop_solidus);
double const liquidus = _properties(material_id, prop_liquidus);
unsigned int const dof = mp_dofs_mirror(i);
// First determine the ratio of liquid.
double liquid_ratio = -1.;
double powder_ratio = -1.;
double solid_ratio = -1.;
if (temperature_average_local[dof] < solidus)
liquid_ratio = 0.;
else if (temperature_average_local[dof] > liquidus)
liquid_ratio = 1.;
else
liquid_ratio =
(temperature_average_local[dof] - solidus) / (liquidus - solidus);
// Because the powder can only become liquid, the solid can only
// become liquid, and the liquid can only become solid, the ratio of
// powder can only decrease.
powder_ratio = Kokkos::min(1. - liquid_ratio, _state(powder, dof));
// Use max to make sure that we don't create matter because of
// round-off.
solid_ratio = Kokkos::max(1 - liquid_ratio - powder_ratio, 0.);
// Update the value
_state(liquid, dof) = liquid_ratio;
_state(powder, dof) = powder_ratio;
_state(solid, dof) = solid_ratio;
if (_use_table)
{
for (unsigned int property = 0;
property < g_n_thermal_state_properties; ++property)
{
for (unsigned int material_state = 0;
material_state < g_n_material_states; ++material_state)
{
_property_values(property, dof) +=
_state(material_state, dof) *
compute_property_from_table(
_state_property_tables, material_id, material_state,
property, temperature_average_local[dof]);
}
}
}
else
{
for (unsigned int property = 0;
property < g_n_thermal_state_properties; ++property)
{
for (unsigned int material_state = 0;
material_state < g_n_material_states; ++material_state)
{
for (unsigned int i = 0; i <= polynomial_order; ++i)
{
_property_values(property, dof) +=
_state(material_state, dof) *
_state_property_polynomials(material_id, material_state,
property, i) *
std::pow(temperature_average_local[dof], i);
}
}
}
}
// If we are in the mushy state, i.e., part liquid part solid, we need
// to modify the rho C_p to take into account the latent heat.
if ((liquid_ratio > 0.) && (liquid_ratio < 1.))
{
unsigned int const specific_heat_prop =
static_cast<unsigned int>(StateProperty::specific_heat);
unsigned int const latent_heat_prop =
static_cast<unsigned int>(Property::latent_heat);
for (unsigned int material_state = 0;
material_state < g_n_material_states; ++material_state)
{
_property_values(specific_heat_prop, dof) +=
_state(material_state, dof) *
_properties(material_id, latent_heat_prop) /
(liquidus - solidus);
}
}
// The radiation heat transfer coefficient is not a real material
// property but it is derived from other material properties: h_rad =
// emissitivity * stefan-boltzmann constant * (T + T_infty) (T^2 +
// T^2_infty).
unsigned int const emissivity_prop =
static_cast<unsigned int>(StateProperty::emissivity);
unsigned int const radiation_heat_transfer_coef_prop =
static_cast<unsigned int>(
StateProperty::radiation_heat_transfer_coef);
unsigned int const radiation_temperature_infty_prop =
static_cast<unsigned int>(Property::radiation_temperature_infty);
double const T = temperature_average_local[dof];
double const T_infty =
_properties(material_id, radiation_temperature_infty_prop);
double const emissivity = _property_values(emissivity_prop, dof);
_property_values(radiation_heat_transfer_coef_prop, dof) =
emissivity * Constant::stefan_boltzmann * (T + T_infty) *
(T * T + T_infty * T_infty);
});
}
// TODO When we can get rid of this function, we can remove
// StateProperty::radiation_heat_transfer_coef
template <int dim, typename MemorySpaceType>
void MaterialProperty<dim, MemorySpaceType>::
update_boundary_material_properties(
dealii::DoFHandler<dim> const &temperature_dof_handler,
dealii::LA::distributed::Vector<double, MemorySpaceType> const
&temperature)
{
auto temperature_average =
compute_average_temperature(temperature_dof_handler, temperature);
// Initialize the View to zero in purpose
_property_values =
Kokkos::View<double **, typename MemorySpaceType::kokkos_space>(
"property_values", g_n_thermal_state_properties, _dofs_map.size());
std::vector<dealii::types::global_dof_index> mp_dof(1);
// We don't need to loop over all the active cells. We only need to loop over
// the cells at the boundary and at the interface with FE_Nothing. However, to
// do this we need to use the temperature_dof_handler instead of the
// _mp_dof_handler.
for (auto cell :
dealii::filter_iterators(_mp_dof_handler.active_cell_iterators(),
dealii::IteratorFilters::LocallyOwnedCell()))
{
dealii::types::material_id material_id = cell->material_id();
cell->get_dof_indices(mp_dof);
unsigned int const dof = _dofs_map.at(mp_dof[0]);
if (_use_table)
{
// We only care about properties that are used to compute the boundary
// condition. So we start at 3.
for (unsigned int property = 3; property < g_n_thermal_state_properties;
++property)
{
for (unsigned int material_state = 0;
material_state < g_n_material_states; ++material_state)
{
_property_values(property, dof) +=
_state(material_state, dof) *
compute_property_from_table(
_state_property_tables, material_id, material_state, property,
temperature_average.local_element(dof));
}
}
}
else
{
// We only care about properties that are used to compute the boundary
// condition. So we start at 3.
for (unsigned int property = 3; property < g_n_thermal_state_properties;
++property)
{
for (unsigned int material_state = 0;
material_state < g_n_material_states; ++material_state)
{
for (unsigned int i = 0; i <= polynomial_order; ++i)
{
_property_values(property, dof) +=
_state(material_state, dof) *
_state_property_polynomials(material_id, material_state,
property, i) *
std::pow(temperature_average.local_element(dof), i);
}
}
}
}
// The radiation heat transfer coefficient is not a real material property
// but it is derived from other material properties:
// h_rad = emissitivity * stefan-boltzmann constant * (T + T_infty) (T^2 +
// T^2_infty).
unsigned int const emissivity_prop =
static_cast<unsigned int>(StateProperty::emissivity);
unsigned int const radiation_heat_transfer_coef_prop =
static_cast<unsigned int>(StateProperty::radiation_heat_transfer_coef);
unsigned int const radiation_temperature_infty_prop =
static_cast<unsigned int>(Property::radiation_temperature_infty);
double const T = temperature_average.local_element(dof);
double const T_infty =
_properties(material_id, radiation_temperature_infty_prop);
double const emissivity = _property_values(emissivity_prop, dof);
_property_values(radiation_heat_transfer_coef_prop, dof) =
emissivity * Constant::stefan_boltzmann * (T + T_infty) *
(T * T + T_infty * T_infty);
}
}
template <int dim, typename MemorySpaceType>
dealii::VectorizedArray<double>
MaterialProperty<dim, MemorySpaceType>::compute_material_property(
StateProperty state_property, dealii::types::material_id const *material_id,
dealii::VectorizedArray<double> const *state_ratios,
dealii::VectorizedArray<double> const &temperature,
dealii::AlignedVector<dealii::VectorizedArray<double>> const
&temperature_powers) const
{
dealii::VectorizedArray<double> value = 0.0;
unsigned int const property_index = static_cast<unsigned int>(state_property);
if (_use_table)
{
for (unsigned int material_state = 0; material_state < g_n_material_states;
++material_state)
{
for (unsigned int n = 0; n < dealii::VectorizedArray<double>::size(); ++n)
{
const dealii::types::material_id m_id = material_id[n];
value[n] += state_ratios[material_state][n] *
compute_property_from_table(_state_property_tables, m_id,
material_state, property_index,
temperature[n]);
}
}
}
else
{
for (unsigned int material_state = 0; material_state < g_n_material_states;
++material_state)
{
for (unsigned int n = 0; n < dealii::VectorizedArray<double>::size(); ++n)
{
dealii::types::material_id m_id = material_id[n];
for (unsigned int i = 0; i <= polynomial_order; ++i)
{
value[n] += state_ratios[material_state][n] *
_state_property_polynomials(m_id, material_state,
property_index, i) *
temperature_powers[i][n];
}
}
}
}
return value;
}
template <int dim, typename MemorySpaceType>
KOKKOS_FUNCTION double
MaterialProperty<dim, MemorySpaceType>::compute_material_property(
StateProperty state_property, dealii::types::material_id const material_id,
double const *state_ratios, double temperature) const
{
double value = 0.0;
unsigned int const property_index = static_cast<unsigned int>(state_property);
if (_use_table)
{
for (unsigned int material_state = 0; material_state < g_n_material_states;
++material_state)
{
const dealii::types::material_id m_id = material_id;
value += state_ratios[material_state] *
compute_property_from_table(_state_property_tables, m_id,
material_state, property_index,
temperature);
}
}
else
{
for (unsigned int material_state = 0; material_state < g_n_material_states;
++material_state)
{
dealii::types::material_id m_id = material_id;
for (unsigned int i = 0; i <= polynomial_order; ++i)
{
value += state_ratios[material_state] *
_state_property_polynomials(m_id, material_state,
property_index, i) *
std::pow(temperature, i);
}
}
}
return value;
}
template <int dim, typename MemorySpaceType>
void MaterialProperty<dim, MemorySpaceType>::set_state(
dealii::Table<2, dealii::VectorizedArray<double>> const &liquid_ratio,
dealii::Table<2, dealii::VectorizedArray<double>> const &powder_ratio,
std::map<typename dealii::DoFHandler<dim>::cell_iterator,
std::pair<unsigned int, unsigned int>> &cell_it_to_mf_cell_map,
dealii::DoFHandler<dim> const &dof_handler)
{
auto const powder_state = static_cast<unsigned int>(MaterialState::powder);
auto const liquid_state = static_cast<unsigned int>(MaterialState::liquid);
auto const solid_state = static_cast<unsigned int>(MaterialState::solid);
std::vector<dealii::types::global_dof_index> mp_dof(1.);
for (auto const &cell :
dealii::filter_iterators(dof_handler.active_cell_iterators(),
dealii::IteratorFilters::LocallyOwnedCell()))
{
typename dealii::Triangulation<dim>::active_cell_iterator cell_tria(cell);
auto mp_dof_index = get_dof_index(cell_tria);
auto const &mf_cell_vector = cell_it_to_mf_cell_map[cell];
unsigned int const n_q_points = dof_handler.get_fe().tensor_degree() + 1;
double liquid_ratio_sum = 0.;
double powder_ratio_sum = 0.;
for (unsigned int q = 0; q < n_q_points; ++q)
{
liquid_ratio_sum +=
liquid_ratio(mf_cell_vector.first, q)[mf_cell_vector.second];
powder_ratio_sum +=
powder_ratio(mf_cell_vector.first, q)[mf_cell_vector.second];
}
_state(liquid_state, mp_dof_index) = liquid_ratio_sum / n_q_points;
_state(powder_state, mp_dof_index) = powder_ratio_sum / n_q_points;
_state(solid_state, mp_dof_index) =
std::max(1. - _state(liquid_state, mp_dof_index) -
_state(powder_state, mp_dof_index),
0.);
}
}
template <int dim, typename MemorySpaceType>
void MaterialProperty<dim, MemorySpaceType>::set_state_device(
Kokkos::View<double *, typename MemorySpaceType::kokkos_space> liquid_ratio,
Kokkos::View<double *, typename MemorySpaceType::kokkos_space> powder_ratio,
std::map<typename dealii::DoFHandler<dim>::cell_iterator,
std::vector<unsigned int>> const &_cell_it_to_mf_pos,
dealii::DoFHandler<dim> const &dof_handler)
{
// Create a mapping between the matrix free dofs and material property dofs
unsigned int const n_q_points = dof_handler.get_fe().tensor_degree() + 1;
Kokkos::View<unsigned int **, dealii::MemorySpace::Default::kokkos_space>
mapping(Kokkos::view_alloc("mapping", Kokkos::WithoutInitializing),
_state.extent(1), n_q_points);
auto mapping_host =
Kokkos::create_mirror_view(Kokkos::WithoutInitializing, mapping);
Kokkos::View<dealii::types::global_dof_index *,
dealii::MemorySpace::Host::kokkos_space>
mp_dof_host("mp_dof_host", _state.extent(1));
// We only loop over the part of the domain which has material, i.e., not over
// FE_Nothing cell. This is because _cell_it_to_mf_pos does not exist for
// FE_Nothing cells. However, we have set the state of the material on the
// entire domain. This is not a problem since that state is unchanged and does
// not need to be updated.
unsigned int cell_i = 0;
for (auto const &cell : dealii::filter_iterators(
dof_handler.active_cell_iterators(),
dealii::IteratorFilters::ActiveFEIndexEqualTo(0, true)))
{
typename dealii::Triangulation<dim>::active_cell_iterator cell_tria(cell);
auto mp_dof_index = get_dof_index(cell_tria);
auto const &mf_cell_vector = _cell_it_to_mf_pos.at(cell);
for (unsigned int q = 0; q < n_q_points; ++q)
{
mapping_host(cell_i, q) = mf_cell_vector[q];
}
mp_dof_host(cell_i) = mp_dof_index;
++cell_i;
}
Kokkos::deep_copy(mapping, mapping_host);
Kokkos::View<dealii::types::global_dof_index *,
dealii::MemorySpace::Default::kokkos_space>
mp_dof(Kokkos::view_alloc("mp_dof", Kokkos::WithoutInitializing),
mp_dof_host.extent(0));
Kokkos::deep_copy(mp_dof, mp_dof_host);
auto const powder_state = static_cast<unsigned int>(MaterialState::powder);
auto const liquid_state = static_cast<unsigned int>(MaterialState::liquid);
auto const solid_state = static_cast<unsigned int>(MaterialState::solid);
using ExecutionSpace = std::conditional_t<
std::is_same_v<MemorySpaceType, dealii::MemorySpace::Host>,
Kokkos::DefaultHostExecutionSpace, Kokkos::DefaultExecutionSpace>;
Kokkos::parallel_for(
"adamantine::set_state_device",
Kokkos::RangePolicy<ExecutionSpace>(0, cell_i),
KOKKOS_CLASS_LAMBDA(int i) {
double liquid_ratio_sum = 0.;
double powder_ratio_sum = 0.;
for (unsigned int q = 0; q < n_q_points; ++q)
{
liquid_ratio_sum += liquid_ratio(mapping(i, q));
powder_ratio_sum += powder_ratio(mapping(i, q));
}
_state(liquid_state, mp_dof(i)) = liquid_ratio_sum / n_q_points;
_state(powder_state, mp_dof(i)) = powder_ratio_sum / n_q_points;
_state(solid_state, mp_dof(i)) =
Kokkos::max(1. - _state(liquid_state, mp_dof(i)) -
_state(powder_state, mp_dof(i)),
0.);
});
}
template <int dim, typename MemorySpaceType>
void MaterialProperty<dim, MemorySpaceType>::set_cell_state(
std::vector<std::array<double, g_n_material_states>> const &cell_state)
{
auto state_host =
Kokkos::create_mirror_view(Kokkos::WithoutInitializing, _state);
for (unsigned int i = 0; i < cell_state.size(); ++i)
{
for (unsigned int j = 0; j < g_n_material_states; ++j)
{
state_host(j, i) = cell_state[i][j];
}
}
Kokkos::deep_copy(_state, state_host);
}
template <int dim, typename MemorySpaceType>
void MaterialProperty<dim, MemorySpaceType>::set_initial_state()
{
// Set the material state to the one defined by the user_index
std::vector<dealii::types::global_dof_index> mp_dofs_vec;
std::vector<unsigned int> user_indices_vec;
for (auto cell :
dealii::filter_iterators(_mp_dof_handler.active_cell_iterators(),
dealii::IteratorFilters::LocallyOwnedCell()))
{
std::vector<dealii::types::global_dof_index> mp_dof(1);
cell->get_dof_indices(mp_dof);
mp_dofs_vec.push_back(_dofs_map.at(mp_dof[0]));
user_indices_vec.push_back(cell->user_index());
}
typename MemorySpaceType::kokkos_space memory_space;
Kokkos::View<dealii::types::global_dof_index *, Kokkos::HostSpace>
mp_dofs_host(mp_dofs_vec.data(), mp_dofs_vec.size());
auto mp_dofs =
Kokkos::create_mirror_view_and_copy(memory_space, mp_dofs_host);
Kokkos::View<unsigned int *, Kokkos::HostSpace> user_indices_host(
user_indices_vec.data(), user_indices_vec.size());
auto user_indices =
Kokkos::create_mirror_view_and_copy(memory_space, user_indices_host);
Kokkos::deep_copy(_state, 0.);
using ExecutionSpace = std::conditional_t<
std::is_same_v<MemorySpaceType, dealii::MemorySpace::Host>,
Kokkos::DefaultHostExecutionSpace, Kokkos::DefaultExecutionSpace>;
Kokkos::parallel_for(
"adamantine::set_initial_state",
Kokkos::RangePolicy<ExecutionSpace>(0, user_indices.extent(0)),
KOKKOS_CLASS_LAMBDA(int i) { _state(user_indices(i), mp_dofs(i)) = 1.; });
}
template <int dim, typename MemorySpaceType>
void MaterialProperty<dim, MemorySpaceType>::fill_properties(
boost::property_tree::ptree const &database)
{
// PropertyTreeInput materials.property_format
std::string property_format = database.get<std::string>("property_format");
_use_table = (property_format == "table");
// PropertyTreeInput materials.n_materials
unsigned int const n_materials = database.get<unsigned int>("n_materials");
// Find all the material_ids being used.
std::vector<dealii::types::material_id> material_ids;
for (dealii::types::material_id id = 0;
id < dealii::numbers::invalid_material_id; ++id)
{
if (database.count("material_" + std::to_string(id)) != 0)
material_ids.push_back(id);
if (material_ids.size() == n_materials)
break;
}
// When using the polynomial format we allocate one contiguous block of
// memory. Thus, the largest material_id should be as small as possible
unsigned int const n_material_ids =
*std::max_element(material_ids.begin(), material_ids.end()) + 1;
_properties = Kokkos::View<double *[g_n_properties],
typename MemorySpaceType::kokkos_space>(
Kokkos::view_alloc("properties", Kokkos::WithoutInitializing),
n_material_ids);
auto properties_host =
Kokkos::create_mirror_view(Kokkos::WithoutInitializing, _properties);
if (_use_table)
{
// View is initialized to zero in purpose
_state_property_tables =
Kokkos::View<double *[g_n_material_states][g_n_thermal_state_properties]
[table_size][2],
typename MemorySpaceType::kokkos_space>(
"state_property_tables", n_material_ids);
// Mechanical properties only exist for the solid state. View is initialized
// to zero in purpose.
_mechanical_properties_tables_host =
Kokkos::View<double *[g_n_mechanical_state_properties][table_size][2],
typename dealii::MemorySpace::Host::kokkos_space>(
"mechanical_properties_tables_host", n_material_ids);
}
else
{
// View is initialized to zero in purpose
_state_property_polynomials =
Kokkos::View<double *[g_n_material_states][g_n_thermal_state_properties]
[polynomial_order + 1],
typename MemorySpaceType::kokkos_space>(
"state_property_polynomials", n_material_ids);
// Mechanical properties only exist for the solid state. View is initialized
// to zero in purpose
_mechanical_properties_polynomials_host = Kokkos::View<
double *[g_n_mechanical_state_properties][polynomial_order + 1],
typename dealii::MemorySpace::Host::kokkos_space>(
"mechanical_properties_polynomials_host", n_material_ids);
}
auto state_property_tables_host = Kokkos::create_mirror_view_and_copy(
Kokkos::DefaultHostExecutionSpace{}, _state_property_tables);
auto state_property_polynomials_host = Kokkos::create_mirror_view_and_copy(
Kokkos::DefaultHostExecutionSpace{}, _state_property_polynomials);
for (auto const material_id : material_ids)
{
// Get the material property tree.
boost::property_tree::ptree const &material_database =
database.get_child("material_" + std::to_string(material_id));
// For each material, loop over the possible states.
for (unsigned int state = 0; state < g_n_material_states; ++state)
{
// The state may or may not exist for the material.
boost::optional<boost::property_tree::ptree const &> state_database =
material_database.get_child_optional(material_state_names[state]);
if (state_database)
{
// For each state, loop over the possible properties.
for (unsigned int p = 0; p < g_n_state_properties; ++p)
{
// The property may or may not exist for that state
boost::optional<std::string> const property =
state_database.get().get_optional<std::string>(
state_property_names[p]);
// If the property exists, put it in the map. If the property does not
// exist, we have a nullptr.
if (property)
{
// Remove blank spaces
std::string property_string = property.get();
property_string.erase(
std::remove_if(property_string.begin(), property_string.end(),
[](unsigned char x) { return std::isspace(x); }),
property_string.end());
if (_use_table)
{
std::vector<std::string> parsed_property;
boost::split(parsed_property, property_string,
[](char c) { return c == ';'; });
unsigned int const parsed_property_size = parsed_property.size();
ASSERT_THROW(parsed_property_size <= table_size,
"Too many coefficients, increase the table size");
for (unsigned int i = 0; i < parsed_property_size; ++i)
{
std::vector<std::string> t_v;
boost::split(t_v, parsed_property[i],
[](char c) { return c == ','; });
ASSERT(t_v.size() == 2, "Error reading material property.");
if (p < g_n_thermal_state_properties)
{
state_property_tables_host(material_id, state, p, i, 0) =
std::stod(t_v[0]);
state_property_tables_host(material_id, state, p, i, 1) =
std::stod(t_v[1]);
}
else
{
if (state == static_cast<unsigned int>(MaterialState::solid))
{
_mechanical_properties_tables_host(
material_id, p - g_n_thermal_state_properties, i, 0) =
std::stod(t_v[0]);
_mechanical_properties_tables_host(
material_id, p - g_n_thermal_state_properties, i, 1) =
std::stod(t_v[1]);
}
}
}
// fill the rest with the last value
for (unsigned int i = parsed_property_size; i < table_size; ++i)
{
if (p < g_n_thermal_state_properties)
{
state_property_tables_host(material_id, state, p, i, 0) =
state_property_tables_host(material_id, state, p, i - 1,
0);
state_property_tables_host(material_id, state, p, i, 1) =
state_property_tables_host(material_id, state, p, i - 1,
1);
}
else
{
if (state == static_cast<unsigned int>(MaterialState::solid))
{
_mechanical_properties_tables_host(
material_id, p - g_n_thermal_state_properties, i, 0) =
_mechanical_properties_tables_host(
material_id, p - g_n_thermal_state_properties,
i - 1, 0);
_mechanical_properties_tables_host(
material_id, p - g_n_thermal_state_properties, i, 1) =
_mechanical_properties_tables_host(
material_id, p - g_n_thermal_state_properties,
i - 1, 1);
}
}
}
}
else
{
std::vector<std::string> parsed_property;
boost::split(parsed_property, property_string,
[](char c) { return c == ','; });
unsigned int const parsed_property_size = parsed_property.size();
ASSERT_THROW(
parsed_property_size <= polynomial_order,
"Too many coefficients, increase the polynomial order");
for (unsigned int i = 0; i < parsed_property_size; ++i)
{
if (p < g_n_thermal_state_properties)
{
state_property_polynomials_host(material_id, state, p, i) =
std::stod(parsed_property[i]);
}
else if (state ==
static_cast<unsigned int>(MaterialState::solid))
{
_mechanical_properties_polynomials_host(
material_id, p - g_n_thermal_state_properties, i) =
std::stod(parsed_property[i]);
}
}
}
}
else if (state_property_names[p] == "elastic_limit" &&
state == static_cast<unsigned int>(MaterialState::solid))
{
// If the elastic limit is not provided, we solve a purely elastic
// problem. We set the elastic limit to infinity.
double infinity = std::numeric_limits<double>::infinity();
if (_use_table)
{
_mechanical_properties_tables_host(
material_id, p - g_n_thermal_state_properties, 0, 0) =
infinity;
_mechanical_properties_tables_host(
material_id, p - g_n_thermal_state_properties, 0, 1) =
infinity;
}
else
{
_mechanical_properties_polynomials_host(
material_id, p - g_n_thermal_state_properties, 0) = infinity;
}
}
}
}
}
// Check for the properties that are associated to a material but that
// are independent of an individual state. These properties are duplicated
// for every state.
for (unsigned int p = 0; p < g_n_properties; ++p)
{
// The property may or may not exist for that state
boost::optional<double> const property =
material_database.get_optional<double>(property_names[p]);
// If the property exists, put it in the map. If the property does not
// exist, we use the largest possible value. This is useful if the
// liquidus and the solidus are not set.
properties_host(material_id, p) =
property ? property.get() : std::numeric_limits<double>::max();
}
}
// FIXME for now we assume that the mechanical properties are independent of
// the temperature.
_mechanical_properties_host =
Kokkos::View<double *[g_n_mechanical_state_properties],
typename dealii::MemorySpace::Host::kokkos_space>(
"mechanical_properties_host", n_material_ids);
if (_use_table)
{
// We only read the first element
for (unsigned int i = 0; i < n_material_ids; ++i)
{
for (unsigned int j = 0; j < g_n_mechanical_state_properties; ++j)
{
_mechanical_properties_host(i, j) =
_mechanical_properties_tables_host(i, j, 0, 1);
}
}
}
else
{
// We only read the first element