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/**
* @file fe_engine_template_tmpl.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Mauro Corrado <mauro.corrado@epfl.ch>
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Tue Feb 15 2011
* @date last modification: Tue Feb 20 2018
*
* @brief Template implementation of FEEngineTemplate
*
* @section LICENSE
*
* Copyright (©) 2010-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "dof_manager.hh"
#include "fe_engine_template.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::FEEngineTemplate(
Mesh & mesh, UInt spatial_dimension, ID id, MemoryID memory_id)
: FEEngine(mesh, spatial_dimension, id, memory_id),
integrator(mesh, id, memory_id), shape_functions(mesh, id, memory_id) {}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::~FEEngineTemplate() =
default;
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct GradientOnIntegrationPointsHelper {
template <class S>
static void call(const S &, Mesh &, const Array<Real> &, Array<Real> &,
const UInt, const ElementType &, const GhostType &,
const Array<UInt> &) {
AKANTU_TO_IMPLEMENT();
}
};
#define COMPUTE_GRADIENT(type) \
if (element_dimension == ElementClass<type>::getSpatialDimension()) \
shape_functions.template gradientOnIntegrationPoints<type>( \
u, nablauq, nb_degree_of_freedom, ghost_type, filter_elements);
#define AKANTU_SPECIALIZE_GRADIENT_ON_INTEGRATION_POINTS_HELPER(kind) \
template <> struct GradientOnIntegrationPointsHelper<kind> { \
template <class S> \
static void call(const S & shape_functions, Mesh & mesh, \
const Array<Real> & u, Array<Real> & nablauq, \
const UInt nb_degree_of_freedom, \
const ElementType & type, const GhostType & ghost_type, \
const Array<UInt> & filter_elements) { \
UInt element_dimension = mesh.getSpatialDimension(type); \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(COMPUTE_GRADIENT, kind); \
} \
};
AKANTU_BOOST_ALL_KIND_LIST(
AKANTU_SPECIALIZE_GRADIENT_ON_INTEGRATION_POINTS_HELPER,
AKANTU_FE_ENGINE_LIST_GRADIENT_ON_INTEGRATION_POINTS)
#undef AKANTU_SPECIALIZE_GRADIENT_ON_INTEGRATION_POINTS_HELPER
#undef COMPUTE_GRADIENT
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
gradientOnIntegrationPoints(const Array<Real> & u, Array<Real> & nablauq,
const UInt nb_degree_of_freedom,
const ElementType & type,
const GhostType & ghost_type,
const Array<UInt> & filter_elements) const {
AKANTU_DEBUG_IN();
UInt nb_element = mesh.getNbElement(type, ghost_type);
if (filter_elements != empty_filter)
nb_element = filter_elements.size();
UInt nb_points =
shape_functions.getIntegrationPoints(type, ghost_type).cols();
#ifndef AKANTU_NDEBUG
UInt element_dimension = mesh.getSpatialDimension(type);
AKANTU_DEBUG_ASSERT(u.size() == mesh.getNbNodes(),
"The vector u(" << u.getID()
<< ") has not the good size.");
AKANTU_DEBUG_ASSERT(u.getNbComponent() == nb_degree_of_freedom,
"The vector u("
<< u.getID()
<< ") has not the good number of component.");
AKANTU_DEBUG_ASSERT(
nablauq.getNbComponent() == nb_degree_of_freedom * element_dimension,
"The vector nablauq(" << nablauq.getID()
<< ") has not the good number of component.");
// AKANTU_DEBUG_ASSERT(nablauq.size() == nb_element * nb_points,
// "The vector nablauq(" << nablauq.getID()
// << ") has not the good size.");
#endif
nablauq.resize(nb_element * nb_points);
fe_engine::details::GradientOnIntegrationPointsHelper<kind>::call(
shape_functions, mesh, u, nablauq, nb_degree_of_freedom, type, ghost_type,
filter_elements);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::initShapeFunctions(
const GhostType & ghost_type) {
initShapeFunctions(mesh.getNodes(), ghost_type);
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::initShapeFunctions(
const Array<Real> & nodes, const GhostType & ghost_type) {
AKANTU_DEBUG_IN();
for (auto & type : mesh.elementTypes(element_dimension, ghost_type, kind)) {
integrator.initIntegrator(nodes, type, ghost_type);
const auto & control_points = getIntegrationPoints(type, ghost_type);
shape_functions.initShapeFunctions(nodes, control_points, type, ghost_type);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct IntegrateHelper {};
#define INTEGRATE(type) \
integrator.template integrate<type>(f, intf, nb_degree_of_freedom, \
ghost_type, filter_elements);
#define AKANTU_SPECIALIZE_INTEGRATE_HELPER(kind) \
template <> struct IntegrateHelper<kind> { \
template <class I> \
static void call(const I & integrator, const Array<Real> & f, \
Array<Real> & intf, UInt nb_degree_of_freedom, \
const ElementType & type, const GhostType & ghost_type, \
const Array<UInt> & filter_elements) { \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(INTEGRATE, kind); \
} \
};
AKANTU_BOOST_ALL_KIND(AKANTU_SPECIALIZE_INTEGRATE_HELPER)
#undef AKANTU_SPECIALIZE_INTEGRATE_HELPER
#undef INTEGRATE
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::integrate(
const Array<Real> & f, Array<Real> & intf, UInt nb_degree_of_freedom,
const ElementType & type, const GhostType & ghost_type,
const Array<UInt> & filter_elements) const {
UInt nb_element = mesh.getNbElement(type, ghost_type);
if (filter_elements != empty_filter)
nb_element = filter_elements.size();
#ifndef AKANTU_NDEBUG
UInt nb_quadrature_points = getNbIntegrationPoints(type);
AKANTU_DEBUG_ASSERT(f.size() == nb_element * nb_quadrature_points,
"The vector f(" << f.getID() << " size " << f.size()
<< ") has not the good size ("
<< nb_element << ").");
AKANTU_DEBUG_ASSERT(f.getNbComponent() == nb_degree_of_freedom,
"The vector f("
<< f.getID()
<< ") has not the good number of component.");
AKANTU_DEBUG_ASSERT(intf.getNbComponent() == nb_degree_of_freedom,
"The vector intf("
<< intf.getID()
<< ") has not the good number of component.");
#endif
intf.resize(nb_element);
fe_engine::details::IntegrateHelper<kind>::call(integrator, f, intf,
nb_degree_of_freedom, type,
ghost_type, filter_elements);
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct IntegrateScalarHelper {};
#define INTEGRATE(type) \
integral = \
integrator.template integrate<type>(f, ghost_type, filter_elements);
#define AKANTU_SPECIALIZE_INTEGRATE_SCALAR_HELPER(kind) \
template <> struct IntegrateScalarHelper<kind> { \
template <class I> \
static Real call(const I & integrator, const Array<Real> & f, \
const ElementType & type, const GhostType & ghost_type, \
const Array<UInt> & filter_elements) { \
Real integral = 0.; \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(INTEGRATE, kind); \
return integral; \
} \
};
AKANTU_BOOST_ALL_KIND(AKANTU_SPECIALIZE_INTEGRATE_SCALAR_HELPER)
#undef AKANTU_SPECIALIZE_INTEGRATE_SCALAR_HELPER
#undef INTEGRATE
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
Real FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::integrate(
const Array<Real> & f, const ElementType & type,
const GhostType & ghost_type, const Array<UInt> & filter_elements) const {
AKANTU_DEBUG_IN();
#ifndef AKANTU_NDEBUG
// std::stringstream sstr; sstr << ghost_type;
// AKANTU_DEBUG_ASSERT(sstr.str() == nablauq.getTag(),
// "The vector " << nablauq.getID() << " is not taged " <<
// ghost_type);
UInt nb_element = mesh.getNbElement(type, ghost_type);
if (filter_elements != empty_filter)
nb_element = filter_elements.size();
UInt nb_quadrature_points = getNbIntegrationPoints(type, ghost_type);
AKANTU_DEBUG_ASSERT(
f.size() == nb_element * nb_quadrature_points,
"The vector f(" << f.getID() << ") has not the good size. (" << f.size()
<< "!=" << nb_quadrature_points * nb_element << ")");
AKANTU_DEBUG_ASSERT(f.getNbComponent() == 1,
"The vector f("
<< f.getID()
<< ") has not the good number of component.");
#endif
Real integral = fe_engine::details::IntegrateScalarHelper<kind>::call(
integrator, f, type, ghost_type, filter_elements);
AKANTU_DEBUG_OUT();
return integral;
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct IntegrateScalarOnOneElementHelper {};
#define INTEGRATE(type) \
res = integrator.template integrate<type>(f, index, ghost_type);
#define AKANTU_SPECIALIZE_INTEGRATE_SCALAR_ON_ONE_ELEMENT_HELPER(kind) \
template <> struct IntegrateScalarOnOneElementHelper<kind> { \
template <class I> \
static Real call(const I & integrator, const Vector<Real> & f, \
const ElementType & type, UInt index, \
const GhostType & ghost_type) { \
Real res = 0.; \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(INTEGRATE, kind); \
return res; \
} \
};
AKANTU_BOOST_ALL_KIND(
AKANTU_SPECIALIZE_INTEGRATE_SCALAR_ON_ONE_ELEMENT_HELPER)
#undef AKANTU_SPECIALIZE_INTEGRATE_SCALAR_ON_ONE_ELEMENT_HELPER
#undef INTEGRATE
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
Real FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::integrate(
const Vector<Real> & f, const ElementType & type, UInt index,
const GhostType & ghost_type) const {
Real res = fe_engine::details::IntegrateScalarOnOneElementHelper<kind>::call(
integrator, f, type, index, ghost_type);
return res;
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct IntegrateOnIntegrationPointsHelper {};
#define INTEGRATE(type) \
integrator.template integrateOnIntegrationPoints<type>( \
f, intf, nb_degree_of_freedom, ghost_type, filter_elements);
#define AKANTU_SPECIALIZE_INTEGRATE_ON_INTEGRATION_POINTS_HELPER(kind) \
template <> struct IntegrateOnIntegrationPointsHelper<kind> { \
template <class I> \
static void call(const I & integrator, const Array<Real> & f, \
Array<Real> & intf, UInt nb_degree_of_freedom, \
const ElementType & type, const GhostType & ghost_type, \
const Array<UInt> & filter_elements) { \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(INTEGRATE, kind); \
} \
};
AKANTU_BOOST_ALL_KIND(
AKANTU_SPECIALIZE_INTEGRATE_ON_INTEGRATION_POINTS_HELPER)
#undef AKANTU_SPECIALIZE_INTEGRATE_ON_INTEGRATION_POINTS_HELPER
#undef INTEGRATE
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
integrateOnIntegrationPoints(const Array<Real> & f, Array<Real> & intf,
UInt nb_degree_of_freedom,
const ElementType & type,
const GhostType & ghost_type,
const Array<UInt> & filter_elements) const {
UInt nb_element = mesh.getNbElement(type, ghost_type);
if (filter_elements != empty_filter)
nb_element = filter_elements.size();
UInt nb_quadrature_points = getNbIntegrationPoints(type);
#ifndef AKANTU_NDEBUG
// std::stringstream sstr; sstr << ghost_type;
// AKANTU_DEBUG_ASSERT(sstr.str() == nablauq.getTag(),
// "The vector " << nablauq.getID() << " is not taged " <<
// ghost_type);
AKANTU_DEBUG_ASSERT(f.size() == nb_element * nb_quadrature_points,
"The vector f(" << f.getID() << " size " << f.size()
<< ") has not the good size ("
<< nb_element << ").");
AKANTU_DEBUG_ASSERT(f.getNbComponent() == nb_degree_of_freedom,
"The vector f("
<< f.getID()
<< ") has not the good number of component.");
AKANTU_DEBUG_ASSERT(intf.getNbComponent() == nb_degree_of_freedom,
"The vector intf("
<< intf.getID()
<< ") has not the good number of component.");
#endif
intf.resize(nb_element * nb_quadrature_points);
fe_engine::details::IntegrateOnIntegrationPointsHelper<kind>::call(
integrator, f, intf, nb_degree_of_freedom, type, ghost_type,
filter_elements);
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct InterpolateOnIntegrationPointsHelper {
template <class S>
static void call(const S &, const Array<Real> &, Array<Real> &,
const UInt, const ElementType &, const GhostType &,
const Array<UInt> &) {
AKANTU_TO_IMPLEMENT();
}
};
#define INTERPOLATE(type) \
shape_functions.template interpolateOnIntegrationPoints<type>( \
u, uq, nb_degree_of_freedom, ghost_type, filter_elements);
#define AKANTU_SPECIALIZE_INTERPOLATE_ON_INTEGRATION_POINTS_HELPER(kind) \
template <> struct InterpolateOnIntegrationPointsHelper<kind> { \
template <class S> \
static void call(const S & shape_functions, const Array<Real> & u, \
Array<Real> & uq, const UInt nb_degree_of_freedom, \
const ElementType & type, const GhostType & ghost_type, \
const Array<UInt> & filter_elements) { \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(INTERPOLATE, kind); \
} \
};
AKANTU_BOOST_ALL_KIND_LIST(
AKANTU_SPECIALIZE_INTERPOLATE_ON_INTEGRATION_POINTS_HELPER,
AKANTU_FE_ENGINE_LIST_INTERPOLATE_ON_INTEGRATION_POINTS)
#undef AKANTU_SPECIALIZE_INTERPOLATE_ON_INTEGRATION_POINTS_HELPER
#undef INTERPOLATE
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
interpolateOnIntegrationPoints(const Array<Real> & u, Array<Real> & uq,
const UInt nb_degree_of_freedom,
const ElementType & type,
const GhostType & ghost_type,
const Array<UInt> & filter_elements) const {
AKANTU_DEBUG_IN();
UInt nb_points =
shape_functions.getIntegrationPoints(type, ghost_type).cols();
UInt nb_element = mesh.getNbElement(type, ghost_type);
if (filter_elements != empty_filter)
nb_element = filter_elements.size();
#ifndef AKANTU_NDEBUG
AKANTU_DEBUG_ASSERT(u.size() == mesh.getNbNodes(),
"The vector u(" << u.getID()
<< ") has not the good size.");
AKANTU_DEBUG_ASSERT(u.getNbComponent() == nb_degree_of_freedom,
"The vector u("
<< u.getID()
<< ") has not the good number of component.");
AKANTU_DEBUG_ASSERT(uq.getNbComponent() == nb_degree_of_freedom,
"The vector uq("
<< uq.getID()
<< ") has not the good number of component.");
#endif
uq.resize(nb_element * nb_points);
fe_engine::details::InterpolateOnIntegrationPointsHelper<kind>::call(
shape_functions, u, uq, nb_degree_of_freedom, type, ghost_type,
filter_elements);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
interpolateOnIntegrationPoints(
const Array<Real> & u, ElementTypeMapArray<Real> & uq,
const ElementTypeMapArray<UInt> * filter_elements) const {
AKANTU_DEBUG_IN();
const Array<UInt> * filter = nullptr;
for (auto ghost_type : ghost_types) {
for (auto & type : uq.elementTypes(_all_dimensions, ghost_type, kind)) {
UInt nb_quad_per_element = getNbIntegrationPoints(type, ghost_type);
UInt nb_element = 0;
if (filter_elements) {
filter = &((*filter_elements)(type, ghost_type));
nb_element = filter->size();
} else {
filter = &empty_filter;
nb_element = mesh.getNbElement(type, ghost_type);
}
UInt nb_tot_quad = nb_quad_per_element * nb_element;
Array<Real> & quad = uq(type, ghost_type);
quad.resize(nb_tot_quad);
interpolateOnIntegrationPoints(u, quad, quad.getNbComponent(), type,
ghost_type, *filter);
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
namespace fe_engine {
namespace details {
template <ElementKind kind> struct ComputeBtDHelper {};
#define COMPUTE_BTD(type) \
shape_functions.template computeBtD<type>(Ds, BtDs, ghost_type, \
filter_elements);
#define AKANTU_SPECIALIZE_COMPUTE_BtD_HELPER(kind) \
template <> struct ComputeBtDHelper<kind> { \
template <class S> \
static void call(const S & shape_functions, const Array<Real> & Ds, \
Array<Real> & BtDs, const ElementType & type, \
const GhostType & ghost_type, \
const Array<UInt> & filter_elements) { \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(COMPUTE_BTD, kind); \
} \
};
AKANTU_BOOST_ALL_KIND(AKANTU_SPECIALIZE_COMPUTE_BtD_HELPER)
#undef AKANTU_SPECIALIZE_COMPUTE_BtD_HELPER
#undef COMPUTE_BTD
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::computeBtD(
const Array<Real> & Ds, Array<Real> & BtDs, const ElementType & type,
const GhostType & ghost_type, const Array<UInt> & filter_elements) const {
fe_engine::details::ComputeBtDHelper<kind>::call(
shape_functions, Ds, BtDs, type, ghost_type, filter_elements);
}
/* -------------------------------------------------------------------------- */
namespace fe_engine {
namespace details {
template <ElementKind kind> struct ComputeBtDBHelper {};
#define COMPUTE_BTDB(type) \
shape_functions.template computeBtDB<type>(Ds, BtDBs, order_d, ghost_type, \
filter_elements);
#define AKANTU_SPECIALIZE_COMPUTE_BtDB_HELPER(kind) \
template <> struct ComputeBtDBHelper<kind> { \
template <class S> \
static void call(const S & shape_functions, const Array<Real> & Ds, \
Array<Real> & BtDBs, UInt order_d, \
const ElementType & type, const GhostType & ghost_type, \
const Array<UInt> & filter_elements) { \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(COMPUTE_BTDB, kind); \
} \
};
AKANTU_BOOST_ALL_KIND(AKANTU_SPECIALIZE_COMPUTE_BtDB_HELPER)
#undef AKANTU_SPECIALIZE_COMPUTE_BtDB_HELPER
#undef COMPUTE_BTDB
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::computeBtDB(
const Array<Real> & Ds, Array<Real> & BtDBs, UInt order_d,
const ElementType & type, const GhostType & ghost_type,
const Array<UInt> & filter_elements) const {
fe_engine::details::ComputeBtDBHelper<kind>::call(
shape_functions, Ds, BtDBs, order_d, type, ghost_type, filter_elements);
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
computeIntegrationPointsCoordinates(
ElementTypeMapArray<Real> & quadrature_points_coordinates,
const ElementTypeMapArray<UInt> * filter_elements) const {
const Array<Real> & nodes_coordinates = mesh.getNodes();
interpolateOnIntegrationPoints(
nodes_coordinates, quadrature_points_coordinates, filter_elements);
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
computeIntegrationPointsCoordinates(
Array<Real> & quadrature_points_coordinates, const ElementType & type,
const GhostType & ghost_type,
const Array<UInt> & filter_elements) const {
const Array<Real> & nodes_coordinates = mesh.getNodes();
UInt spatial_dimension = mesh.getSpatialDimension();
interpolateOnIntegrationPoints(
nodes_coordinates, quadrature_points_coordinates, spatial_dimension, type,
ghost_type, filter_elements);
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
initElementalFieldInterpolationFromIntegrationPoints(
const ElementTypeMapArray<Real> & interpolation_points_coordinates,
ElementTypeMapArray<Real> & interpolation_points_coordinates_matrices,
ElementTypeMapArray<Real> & quad_points_coordinates_inv_matrices,
const ElementTypeMapArray<UInt> * element_filter) const {
AKANTU_DEBUG_IN();
UInt spatial_dimension = this->mesh.getSpatialDimension();
ElementTypeMapArray<Real> quadrature_points_coordinates(
"quadrature_points_coordinates_for_interpolation", getID(),
getMemoryID());
quadrature_points_coordinates.initialize(*this,
_nb_component = spatial_dimension);
computeIntegrationPointsCoordinates(quadrature_points_coordinates,
element_filter);
shape_functions.initElementalFieldInterpolationFromIntegrationPoints(
interpolation_points_coordinates,
interpolation_points_coordinates_matrices,
quad_points_coordinates_inv_matrices, quadrature_points_coordinates,
element_filter);
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
interpolateElementalFieldFromIntegrationPoints(
const ElementTypeMapArray<Real> & field,
const ElementTypeMapArray<Real> & interpolation_points_coordinates,
ElementTypeMapArray<Real> & result, const GhostType ghost_type,
const ElementTypeMapArray<UInt> * element_filter) const {
ElementTypeMapArray<Real> interpolation_points_coordinates_matrices(
"interpolation_points_coordinates_matrices", id, memory_id);
ElementTypeMapArray<Real> quad_points_coordinates_inv_matrices(
"quad_points_coordinates_inv_matrices", id, memory_id);
initElementalFieldInterpolationFromIntegrationPoints(
interpolation_points_coordinates,
interpolation_points_coordinates_matrices,
quad_points_coordinates_inv_matrices, element_filter);
interpolateElementalFieldFromIntegrationPoints(
field, interpolation_points_coordinates_matrices,
quad_points_coordinates_inv_matrices, result, ghost_type, element_filter);
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
interpolateElementalFieldFromIntegrationPoints(
const ElementTypeMapArray<Real> & field,
const ElementTypeMapArray<Real> &
interpolation_points_coordinates_matrices,
const ElementTypeMapArray<Real> & quad_points_coordinates_inv_matrices,
ElementTypeMapArray<Real> & result, const GhostType ghost_type,
const ElementTypeMapArray<UInt> * element_filter) const {
shape_functions.interpolateElementalFieldFromIntegrationPoints(
field, interpolation_points_coordinates_matrices,
quad_points_coordinates_inv_matrices, result, ghost_type, element_filter);
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct InterpolateHelper {
template <class S>
static void call(const S &, const Vector<Real> &, UInt,
const Matrix<Real> &, Vector<Real> &,
const ElementType &, const GhostType &) {
AKANTU_TO_IMPLEMENT();
}
};
#define INTERPOLATE(type) \
shape_functions.template interpolate<type>( \
real_coords, element, nodal_values, interpolated, ghost_type);
#define AKANTU_SPECIALIZE_INTERPOLATE_HELPER(kind) \
template <> struct InterpolateHelper<kind> { \
template <class S> \
static void call(const S & shape_functions, \
const Vector<Real> & real_coords, UInt element, \
const Matrix<Real> & nodal_values, \
Vector<Real> & interpolated, const ElementType & type, \
const GhostType & ghost_type) { \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(INTERPOLATE, kind); \
} \
};
AKANTU_BOOST_ALL_KIND_LIST(AKANTU_SPECIALIZE_INTERPOLATE_HELPER,
AKANTU_FE_ENGINE_LIST_INTERPOLATE)
#undef AKANTU_SPECIALIZE_INTERPOLATE_HELPER
#undef INTERPOLATE
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::interpolate(
const Vector<Real> & real_coords, const Matrix<Real> & nodal_values,
Vector<Real> & interpolated, const Element & element) const {
AKANTU_DEBUG_IN();
fe_engine::details::InterpolateHelper<kind>::call(
shape_functions, real_coords, element.element, nodal_values, interpolated,
element.type, element.ghost_type);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
computeNormalsOnIntegrationPoints(const GhostType & ghost_type) {
AKANTU_DEBUG_IN();
computeNormalsOnIntegrationPoints(mesh.getNodes(), ghost_type);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
computeNormalsOnIntegrationPoints(const Array<Real> & field,
const GhostType & ghost_type) {
AKANTU_DEBUG_IN();
// Real * coord = mesh.getNodes().storage();
UInt spatial_dimension = mesh.getSpatialDimension();
// allocate the normal arrays
for (auto & type : mesh.elementTypes(element_dimension, ghost_type, kind)) {
UInt size = mesh.getNbElement(type, ghost_type);
if (normals_on_integration_points.exists(type, ghost_type)) {
normals_on_integration_points(type, ghost_type).resize(size);
} else {
normals_on_integration_points.alloc(size, spatial_dimension, type,
ghost_type);
}
}
// loop over the type to build the normals
for (auto & type : mesh.elementTypes(element_dimension, ghost_type, kind)) {
Array<Real> & normals_on_quad =
normals_on_integration_points(type, ghost_type);
computeNormalsOnIntegrationPoints(field, normals_on_quad, type, ghost_type);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct ComputeNormalsOnIntegrationPoints {
template <template <ElementKind, class> class I,
template <ElementKind> class S, ElementKind k, class IOF>
static void call(const FEEngineTemplate<I, S, k, IOF> &,
const Array<Real> &, Array<Real> &, const ElementType &,
const GhostType &) {
AKANTU_TO_IMPLEMENT();
}
};
#define COMPUTE_NORMALS_ON_INTEGRATION_POINTS(type) \
fem.template computeNormalsOnIntegrationPoints<type>(field, normal, \
ghost_type);
#define AKANTU_SPECIALIZE_COMPUTE_NORMALS_ON_INTEGRATION_POINTS(kind) \
template <> struct ComputeNormalsOnIntegrationPoints<kind> { \
template <template <ElementKind, class> class I, \
template <ElementKind> class S, ElementKind k, class IOF> \
static void call(const FEEngineTemplate<I, S, k, IOF> & fem, \
const Array<Real> & field, Array<Real> & normal, \
const ElementType & type, const GhostType & ghost_type) { \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(COMPUTE_NORMALS_ON_INTEGRATION_POINTS, \
kind); \
} \
};
AKANTU_BOOST_ALL_KIND_LIST(
AKANTU_SPECIALIZE_COMPUTE_NORMALS_ON_INTEGRATION_POINTS,
AKANTU_FE_ENGINE_LIST_COMPUTE_NORMALS_ON_INTEGRATION_POINTS)
#undef AKANTU_SPECIALIZE_COMPUTE_NORMALS_ON_INTEGRATION_POINTS
#undef COMPUTE_NORMALS_ON_INTEGRATION_POINTS
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
computeNormalsOnIntegrationPoints(const Array<Real> & field,
Array<Real> & normal,
const ElementType & type,
const GhostType & ghost_type) const {
fe_engine::details::ComputeNormalsOnIntegrationPoints<kind>::call(
*this, field, normal, type, ghost_type);
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
template <ElementType type>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
computeNormalsOnIntegrationPoints(const Array<Real> & field,
Array<Real> & normal,
const GhostType & ghost_type) const {
AKANTU_DEBUG_IN();
if (type == _point_1) {
computeNormalsOnIntegrationPointsPoint1(field, normal, ghost_type);
return;
}
UInt spatial_dimension = mesh.getSpatialDimension();
UInt nb_nodes_per_element = Mesh::getNbNodesPerElement(type);
UInt nb_points = getNbIntegrationPoints(type, ghost_type);
UInt nb_element = mesh.getConnectivity(type, ghost_type).size();
normal.resize(nb_element * nb_points);
Array<Real>::matrix_iterator normals_on_quad =
normal.begin_reinterpret(spatial_dimension, nb_points, nb_element);
Array<Real> f_el(0, spatial_dimension * nb_nodes_per_element);
FEEngine::extractNodalToElementField(mesh, field, f_el, type, ghost_type);
const Matrix<Real> & quads =
integrator.template getIntegrationPoints<type>(ghost_type);
Array<Real>::matrix_iterator f_it =
f_el.begin(spatial_dimension, nb_nodes_per_element);
for (UInt elem = 0; elem < nb_element; ++elem) {
ElementClass<type>::computeNormalsOnNaturalCoordinates(quads, *f_it,
*normals_on_quad);
++normals_on_quad;
++f_it;
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
template <ElementKind kind> struct InverseMapHelper {
template <class S>
static void
call(const S & /*shape_functions*/, const Vector<Real> & /*real_coords*/,
UInt /*element*/, const ElementType & /*type*/,
Vector<Real> & /*natural_coords*/, const GhostType & /*ghost_type*/) {
AKANTU_TO_IMPLEMENT();
}
};
#define INVERSE_MAP(type) \
shape_functions.template inverseMap<type>(real_coords, element, \
natural_coords, ghost_type);
#define AKANTU_SPECIALIZE_INVERSE_MAP_HELPER(kind) \
template <> struct InverseMapHelper<kind> { \
template <class S> \
static void call(const S & shape_functions, \
const Vector<Real> & real_coords, UInt element, \
const ElementType & type, Vector<Real> & natural_coords, \
const GhostType & ghost_type) { \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(INVERSE_MAP, kind); \
} \
};
AKANTU_BOOST_ALL_KIND_LIST(AKANTU_SPECIALIZE_INVERSE_MAP_HELPER,
AKANTU_FE_ENGINE_LIST_INVERSE_MAP)
#undef AKANTU_SPECIALIZE_INVERSE_MAP_HELPER
#undef INVERSE_MAP
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::inverseMap(
const Vector<Real> & real_coords, UInt element, const ElementType & type,
Vector<Real> & natural_coords, const GhostType & ghost_type) const {
AKANTU_DEBUG_IN();
InverseMapHelper<kind>::call(shape_functions, real_coords, element, type,
natural_coords, ghost_type);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct ContainsHelper {
template <class S>
static void call(const S &, const Vector<Real> &, UInt,
const ElementType &, const GhostType &) {
AKANTU_TO_IMPLEMENT();
}
};
#define CONTAINS(type) \
contain = shape_functions.template contains<type>(real_coords, element, \
ghost_type);
#define AKANTU_SPECIALIZE_CONTAINS_HELPER(kind) \
template <> struct ContainsHelper<kind> { \
template <template <ElementKind> class S, ElementKind k> \
static bool call(const S<k> & shape_functions, \
const Vector<Real> & real_coords, UInt element, \
const ElementType & type, const GhostType & ghost_type) { \
bool contain = false; \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(CONTAINS, kind); \
return contain; \
} \
};
AKANTU_BOOST_ALL_KIND_LIST(AKANTU_SPECIALIZE_CONTAINS_HELPER,
AKANTU_FE_ENGINE_LIST_CONTAINS)
#undef AKANTU_SPECIALIZE_CONTAINS_HELPER
#undef CONTAINS
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline bool FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::contains(
const Vector<Real> & real_coords, UInt element, const ElementType & type,
const GhostType & ghost_type) const {
return fe_engine::details::ContainsHelper<kind>::call(
shape_functions, real_coords, element, type, ghost_type);
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct ComputeShapesHelper {
template <class S>
static void call(const S &, const Vector<Real> &, UInt, const ElementType,
Vector<Real> &, const GhostType &) {
AKANTU_TO_IMPLEMENT();
}
};
#define COMPUTE_SHAPES(type) \
shape_functions.template computeShapes<type>(real_coords, element, shapes, \
ghost_type);
#define AKANTU_SPECIALIZE_COMPUTE_SHAPES_HELPER(kind) \
template <> struct ComputeShapesHelper<kind> { \
template <class S> \
static void call(const S & shape_functions, \
const Vector<Real> & real_coords, UInt element, \
const ElementType type, Vector<Real> & shapes, \
const GhostType & ghost_type) { \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(COMPUTE_SHAPES, kind); \
} \
};
AKANTU_BOOST_ALL_KIND_LIST(AKANTU_SPECIALIZE_COMPUTE_SHAPES_HELPER,
AKANTU_FE_ENGINE_LIST_COMPUTE_SHAPES)
#undef AKANTU_SPECIALIZE_COMPUTE_SHAPES_HELPER
#undef COMPUTE_SHAPES
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void
FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::computeShapes(
const Vector<Real> & real_coords, UInt element, const ElementType & type,
Vector<Real> & shapes, const GhostType & ghost_type) const {
AKANTU_DEBUG_IN();
fe_engine::details::ComputeShapesHelper<kind>::call(
shape_functions, real_coords, element, type, shapes, ghost_type);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct ComputeShapeDerivativesHelper {
template <class S>
static void call(__attribute__((unused)) const S & shape_functions,
__attribute__((unused)) const Vector<Real> & real_coords,
__attribute__((unused)) UInt element,
__attribute__((unused)) const ElementType type,
__attribute__((unused)) Matrix<Real> & shape_derivatives,
__attribute__((unused)) const GhostType & ghost_type) {
AKANTU_TO_IMPLEMENT();
}
};
#define COMPUTE_SHAPE_DERIVATIVES(type) \
Matrix<Real> coords_mat(real_coords.storage(), shape_derivatives.rows(), 1); \
Tensor3<Real> shapesd_tensor(shape_derivatives.storage(), \
shape_derivatives.rows(), \
shape_derivatives.cols(), 1); \
shape_functions.template computeShapeDerivatives<type>( \
coords_mat, element, shapesd_tensor, ghost_type);
#define AKANTU_SPECIALIZE_COMPUTE_SHAPE_DERIVATIVES_HELPER(kind) \
template <> struct ComputeShapeDerivativesHelper<kind> { \
template <class S> \
static void call(const S & shape_functions, \
const Vector<Real> & real_coords, UInt element, \
const ElementType type, Matrix<Real> & shape_derivatives, \
const GhostType & ghost_type) { \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(COMPUTE_SHAPE_DERIVATIVES, kind); \
} \
};
AKANTU_BOOST_ALL_KIND_LIST(
AKANTU_SPECIALIZE_COMPUTE_SHAPE_DERIVATIVES_HELPER,
AKANTU_FE_ENGINE_LIST_COMPUTE_SHAPES_DERIVATIVES)
#undef AKANTU_SPECIALIZE_COMPUTE_SHAPE_DERIVATIVES_HELPER
#undef COMPUTE_SHAPE_DERIVATIVES
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void
FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::computeShapeDerivatives(
const Vector<Real> & real_coords, UInt element, const ElementType & type,
Matrix<Real> & shape_derivatives, const GhostType & ghost_type) const {
AKANTU_DEBUG_IN();
fe_engine::details::ComputeShapeDerivativesHelper<kind>::call(
shape_functions, real_coords, element, type, shape_derivatives,
ghost_type);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct GetNbIntegrationPointsHelper {};
#define GET_NB_INTEGRATION_POINTS(type) \
nb_quad_points = integrator.template getNbIntegrationPoints<type>(ghost_type);
#define AKANTU_SPECIALIZE_GET_NB_INTEGRATION_POINTS_HELPER(kind) \
template <> struct GetNbIntegrationPointsHelper<kind> { \
template <template <ElementKind, class> class I, ElementKind k, class IOF> \
static UInt call(const I<k, IOF> & integrator, const ElementType type, \
const GhostType & ghost_type) { \
UInt nb_quad_points = 0; \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(GET_NB_INTEGRATION_POINTS, kind); \
return nb_quad_points; \
} \
};
AKANTU_BOOST_ALL_KIND(AKANTU_SPECIALIZE_GET_NB_INTEGRATION_POINTS_HELPER)
#undef AKANTU_SPECIALIZE_GET_NB_INTEGRATION_POINTS_HELPER
#undef GET_NB_INTEGRATION
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline UInt
FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::getNbIntegrationPoints(
const ElementType & type, const GhostType & ghost_type) const {
return fe_engine::details::GetNbIntegrationPointsHelper<kind>::call(
integrator, type, ghost_type);
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct GetShapesHelper {};
#define GET_SHAPES(type) ret = &(shape_functions.getShapes(type, ghost_type));
#define AKANTU_SPECIALIZE_GET_SHAPES_HELPER(kind) \
template <> struct GetShapesHelper<kind> { \
template <class S> \
static const Array<Real> & call(const S & shape_functions, \
const ElementType type, \
const GhostType & ghost_type) { \
const Array<Real> * ret = NULL; \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(GET_SHAPES, kind); \
return *ret; \
} \
};
AKANTU_BOOST_ALL_KIND(AKANTU_SPECIALIZE_GET_SHAPES_HELPER)
#undef AKANTU_SPECIALIZE_GET_SHAPES_HELPER
#undef GET_SHAPES
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline const Array<Real> &
FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::getShapes(
const ElementType & type, const GhostType & ghost_type,
__attribute__((unused)) UInt id) const {
return fe_engine::details::GetShapesHelper<kind>::call(shape_functions, type,
ghost_type);
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct GetShapesDerivativesHelper {
template <template <ElementKind> class S, ElementKind k>
static const Array<Real> & call(const S<k> &, const ElementType &,
const GhostType &, UInt) {
AKANTU_TO_IMPLEMENT();
}
};
#define GET_SHAPES_DERIVATIVES(type) \
ret = &(shape_functions.getShapesDerivatives(type, ghost_type));
#define AKANTU_SPECIALIZE_GET_SHAPES_DERIVATIVES_HELPER(kind) \
template <> struct GetShapesDerivativesHelper<kind> { \
template <template <ElementKind> class S, ElementKind k> \
static const Array<Real> & \
call(const S<k> & shape_functions, const ElementType type, \
const GhostType & ghost_type, __attribute__((unused)) UInt id) { \
const Array<Real> * ret = NULL; \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(GET_SHAPES_DERIVATIVES, kind); \
return *ret; \
} \
};
AKANTU_BOOST_ALL_KIND_LIST(AKANTU_SPECIALIZE_GET_SHAPES_DERIVATIVES_HELPER,
AKANTU_FE_ENGINE_LIST_GET_SHAPES_DERIVATIVES)
#undef AKANTU_SPECIALIZE_GET_SHAPE_DERIVATIVES_HELPER
#undef GET_SHAPES_DERIVATIVES
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline const Array<Real> &
FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::getShapesDerivatives(
const ElementType & type, const GhostType & ghost_type,
__attribute__((unused)) UInt id) const {
return fe_engine::details::GetShapesDerivativesHelper<kind>::call(
shape_functions, type, ghost_type, id);
}
/* -------------------------------------------------------------------------- */
/**
* Helper class to be able to write a partial specialization on the element kind
*/
namespace fe_engine {
namespace details {
template <ElementKind kind> struct GetIntegrationPointsHelper {};
#define GET_INTEGRATION_POINTS(type) \
ret = &(integrator.template getIntegrationPoints<type>(ghost_type));
#define AKANTU_SPECIALIZE_GET_INTEGRATION_POINTS_HELPER(kind) \
template <> struct GetIntegrationPointsHelper<kind> { \
template <template <ElementKind, class> class I, ElementKind k, class IOF> \
static const Matrix<Real> & call(const I<k, IOF> & integrator, \
const ElementType type, \
const GhostType & ghost_type) { \
const Matrix<Real> * ret = NULL; \
AKANTU_BOOST_KIND_ELEMENT_SWITCH(GET_INTEGRATION_POINTS, kind); \
return *ret; \
} \
};
AKANTU_BOOST_ALL_KIND(AKANTU_SPECIALIZE_GET_INTEGRATION_POINTS_HELPER)
#undef AKANTU_SPECIALIZE_GET_INTEGRATION_POINTS_HELPER
#undef GET_INTEGRATION_POINTS
} // namespace details
} // namespace fe_engine
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline const Matrix<Real> &
FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::getIntegrationPoints(
const ElementType & type, const GhostType & ghost_type) const {
return fe_engine::details::GetIntegrationPointsHelper<kind>::call(
integrator, type, ghost_type);
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::printself(
std::ostream & stream, int indent) const {
std::string space;
for (Int i = 0; i < indent; i++, space += AKANTU_INDENT)
;
stream << space << "FEEngineTemplate [" << std::endl;
stream << space << " + parent [" << std::endl;
FEEngine::printself(stream, indent + 3);
stream << space << " ]" << std::endl;
stream << space << " + shape functions [" << std::endl;
shape_functions.printself(stream, indent + 3);
stream << space << " ]" << std::endl;
stream << space << " + integrator [" << std::endl;
integrator.printself(stream, indent + 3);
stream << space << " ]" << std::endl;
stream << space << "]" << std::endl;
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::onElementsAdded(
const Array<Element> & new_elements, const NewElementsEvent &) {
integrator.onElementsAdded(new_elements);
shape_functions.onElementsAdded(new_elements);
}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::onElementsRemoved(
const Array<Element> &, const ElementTypeMapArray<UInt> &,
const RemovedElementsEvent &) {}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::onElementsChanged(
const Array<Element> &, const Array<Element> &,
const ElementTypeMapArray<UInt> &, const ChangedElementsEvent &) {}
/* -------------------------------------------------------------------------- */
template <template <ElementKind, class> class I, template <ElementKind> class S,
ElementKind kind, class IntegrationOrderFunctor>
inline void FEEngineTemplate<I, S, kind, IntegrationOrderFunctor>::
computeNormalsOnIntegrationPointsPoint1(
const Array<Real> &, Array<Real> & normal,
const GhostType & ghost_type) const {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_ASSERT(mesh.getSpatialDimension() == 1,
"Mesh dimension must be 1 to compute normals on points!");
const ElementType type = _point_1;
UInt spatial_dimension = mesh.getSpatialDimension();
// UInt nb_nodes_per_element = Mesh::getNbNodesPerElement(type);
UInt nb_points = getNbIntegrationPoints(type, ghost_type);
UInt nb_element = mesh.getConnectivity(type, ghost_type).size();
normal.resize(nb_element * nb_points);
Array<Real>::matrix_iterator normals_on_quad =
normal.begin_reinterpret(spatial_dimension, nb_points, nb_element);
const Array<std::vector<Element>> & segments =
mesh.getElementToSubelement(type, ghost_type);
const Array<Real> & coords = mesh.getNodes();
const Mesh * mesh_segment;
if (mesh.isMeshFacets())
mesh_segment = &(mesh.getMeshParent());
else
mesh_segment = &mesh;
for (UInt elem = 0; elem < nb_element; ++elem) {
UInt nb_segment = segments(elem).size();
AKANTU_DEBUG_ASSERT(
nb_segment > 0,
"Impossible to compute a normal on a point connected to 0 segments");
Real normal_value = 1;
if (nb_segment == 1) {
const Element & segment = segments(elem)[0];
const Array<UInt> & segment_connectivity =
mesh_segment->getConnectivity(segment.type, segment.ghost_type);
// const Vector<UInt> & segment_points =
// segment_connectivity.begin(Mesh::getNbNodesPerElement(segment.type))[segment.element];
Real difference;
if (segment_connectivity(0) == elem) {
difference = coords(elem) - coords(segment_connectivity(1));
} else {
difference = coords(elem) - coords(segment_connectivity(0));
}
normal_value = difference / std::abs(difference);
}
for (UInt n(0); n < nb_points; ++n) {
(*normals_on_quad)(0, n) = normal_value;
}
++normals_on_quad;
}
AKANTU_DEBUG_OUT();
}
} // namespace akantu
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