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rAKA/src/element_class_igfem.hh
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element_class_igfem.hh
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/**
* @file element_class_igfem.hh
*
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
*
* @brief Specialization for interface-enriched finite elements
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
*/
#include "aka_common.hh"
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
#define AKANTU_DEFINE_IGFEM_INTERPOLATION_TYPE_PROPERTY(itp_type, \
itp_kind, \
nb_nodes, \
ndim, \
parent_itp_type, \
sub_itp_type_1, \
sub_itp_type_2) \
template<> \
struct InterpolationPorperty<itp_type> { \
static const InterpolationKind kind = itp_kind; \
static const UInt nb_nodes_per_element = nb_nodes; \
static const UInt natural_space_dimension = ndim; \
static const InterpolationType parent_interpolation_type = parent_itp_type; \
static const InterpolationType sub_iterpolation_type_1 = sub_itp_type_1; \
static const InterpolationType sub_interpolation_type_2 = sub_itp_type_2; \
}
/* -------------------------------------------------------------------------- */
template<InterpolationType interpolation_type>
class InterpolationElement<interpolation_type, _itk_igfem> {
public:
typedef InterpolationPorperty<interpolation_type> interpolation_property;
/* -------------------------------------------------------------------------- */
/* Member functions */
/* -------------------------------------------------------------------------- */
public:
static void assembleShapes(const Vector<Real> & parent_interpolation, const Vector<Real> & sub_interpolation, Vector<Real> & interpolation, UInt sub_element = 0) {
/// N1, N2, N3 of parent triangle
UInt nb_nodes_parent = InterpolationElement<interpolation_property::parent_interpolation_type>::getShapeSize();
for (UInt i = 0; i < nb_nodes_parent; ++i) {
interpolation(i) = parent_interpolation(i);
}
/// add the enrichment
UInt * enriched_node = enrichments[sub_element];
for (UInt e = 0; e < nb_enrichments; ++e) {
interpolation(nb_nodes_parent + e) = sub_interpolation(enriched_node[e]);
}
}
static void assembleShapeDerivatives(const Matrix<Real> & parent_interpolation, const Matrix<Real> & sub_interpolation, Matrix<Real> & interpolation, UInt sub_element = 0) {
/// N1, N2, N3 of parent triangle
UInt nb_nodes_parent = InterpolationElement<interpolation_property::parent_interpolation_type>::getShapeSize();
for (UInt i = 0; i < nb_nodes_parent; ++i) {
Vector<Real> ip(interpolation(i));
ip = parent_interpolation(i);
}
/// add the enrichment
UInt * enriched_node = enrichments[sub_element];
for (UInt e = 0; e < nb_enrichments; ++e) {
Vector<Real> ip(interpolation(nb_nodes_parent + e));
ip = sub_interpolation(enriched_node[e]);
}
}
public:
static AKANTU_GET_MACRO_NOT_CONST(ShapeSize, interpolation_property::nb_nodes_per_element, UInt);
static AKANTU_GET_MACRO_NOT_CONST(ShapeDerivativesSize, (interpolation_property::nb_nodes_per_element * interpolation_property::natural_space_dimension), UInt);
static AKANTU_GET_MACRO_NOT_CONST(NaturalSpaceDimension, interpolation_property::natural_space_dimension, UInt);
static AKANTU_GET_MACRO_NOT_CONST(NbNodesPerInterpolationElement, InterpolationPorperty<interpolation_type>::nb_nodes_per_element, UInt);
static AKANTU_GET_MACRO_NOT_CONST(NbSubElements, nb_sub_elements, UInt);
static UInt * getSubElementConnectivity(UInt t = 0) {return sub_element_connectivity[t];};
protected:
/// storage of the subelement local connectivity
static UInt sub_element_connectivity_vect[];
/// local connectivity of subelements
static UInt * sub_element_connectivity[];
/// nb of subelements
static UInt nb_sub_elements;
/// storage of enrichments
static UInt enrichment_vect[];
static UInt * enrichments[];
static UInt nb_enrichments;
};
#if defined(AKANTU_IGFEM)
# include "interpolation_element_igfem_tmpl.hh"
#endif
/* -------------------------------------------------------------------------- */
#define AKANTU_DEFINE_IGFEM_ELEMENT_CLASS_PROPERTY(elem_type, \
geom_type, \
interp_type, \
parent_el_type, \
sub_el_type_1, \
sub_el_type_2, \
elem_kind, \
sp, \
gauss_int_type, \
min_int_order) \
template<> \
struct ElementClassProperty<elem_type> { \
static const GeometricalType geometrical_type = geom_type; \
static const InterpolationType interpolation_type = interp_type; \
static const ElementType parent_element_type = parent_el_type; \
static const ElementType sub_element_type_1 = sub_el_type_1; \
static const ElementType sub_element_type_2 = sub_el_type_2; \
static const ElementKind element_kind = elem_kind; \
static const UInt spatial_dimension = sp; \
static const GaussIntergrationType gauss_integration_type = gauss_int_type; \
static const UInt minimal_integration_order = min_int_order; \
}
/* -------------------------------------------------------------------------- */
// // template <ElementType type, UInt sub_element>
// struct return_sub_element_type {
// enum { value = _not_defined };
// };
// /// specializations
// template<ElementType type>
// struct return_sub_element_type<type, 0> {
// enum { value = ElementClassProperty<type>::sub_element_type_1 };
// };
// template<ElementType type>
// struct return_sub_element_type<type, 1> {
// enum { value = ElementClassProperty<type>::sub_element_type_2 };
// };
/* -------------------------------------------------------------------------- */
template<ElementType element_type>
class ElementClass<element_type, _ek_igfem> :
public GeometricalElement<ElementClassProperty<element_type>::geometrical_type>,
public InterpolationElement<ElementClassProperty<element_type>::interpolation_type> {
protected:
typedef GeometricalElement<ElementClassProperty<element_type>::geometrical_type> geometrical_element;
typedef InterpolationElement<ElementClassProperty<element_type>::interpolation_type> interpolation_element;
typedef ElementClass<ElementClassProperty<element_type>::parent_element_type> parent_element;
typedef ElementClassProperty<element_type> element_property;
typedef typename interpolation_element::interpolation_property interpolation_property;
/* -------------------------------------------------------------------------- */
/* Member functions */
/* -------------------------------------------------------------------------- */
public:
// static const ElementType getSubElementType(const UInt sub_element) {
// switch(sub_element) {
// case 0: return return_sub_element_type<element_type, 0>(); break;
// case 1: return return_sub_element_type<element_type, 1>(); break;
// default: return _not_defined;
// }
// }
static void getSubElementCoords(const Matrix<Real> & element_coords, Matrix<Real> & sub_coords,
const UInt sub_element) {
/// get the sub_element_type
/// constexrp ElementType sub_el_type = getSubElementType(sub_element);
UInt nb_nodes_sub_el = 0;
switch (sub_element){
case 0: nb_nodes_sub_el = ElementClass<ElementClassProperty<element_type>::sub_element_type_1>::getNbNodesPerInterpolationElement(); break;
case 1: nb_nodes_sub_el = ElementClass<ElementClassProperty<element_type>::sub_element_type_2>::getNbNodesPerInterpolationElement(); break;
}
for (UInt i = 0; i < nb_nodes_sub_el; ++i) {
UInt lc = InterpolationElement<ElementClassProperty<element_type>::interpolation_type>::sub_element_connectivity[sub_element][i];
Vector<Real> sub_c(sub_coords(i));
sub_c = element_coords(lc);
}
}
static void getParentCoords(const Matrix<Real> & element_coords, Matrix<Real> & parent_coords) {
const ElementType parent_type = ElementClassProperty<element_type>::parent_element_type;
UInt nb_nodes_parent_el = ElementClass<parent_type>::getNbNodesPerInterpolationElement();
for (UInt i = 0; i < nb_nodes_parent_el; ++i) {
Vector<Real> parent_c(parent_coords(i));
parent_c = element_coords(i);
}
}
/// map the points from the reference domain of the subelement to the physical domain
static void mapToPhysicalDomain(const Matrix<Real> & element_coords, Matrix<Real> & sub_coords, Matrix<Real> & sub_shapes, Matrix<Real> & physical_points, UInt sub_element = 0) {
/// get the sub_element_type
getSubElementCoords(element_coords, sub_coords, sub_element);
/// map the points of the subelements in the physical domain
switch (sub_element){
case 0: ElementClass<ElementClassProperty<element_type>::sub_element_type_1>::interpolate(sub_coords, sub_shapes, physical_points); break;
case 1: ElementClass<ElementClassProperty<element_type>::sub_element_type_2>::interpolate(sub_coords, sub_shapes, physical_points); break;
}
}
/// map the points from the physical domain to the parent reference domain
static void mapToParentRefDomain(const Matrix<Real> & element_coords, Matrix<Real> & parent_coords, Matrix<Real> & physical_points, Matrix<Real> & natural_coords) {
const ElementType parent_type = ElementClassProperty<element_type>::parent_element_type;
getParentCoords(element_coords, parent_coords);
/// map the points from the physical domain into the parent reference domain
ElementClass<parent_type>::inverseMap(physical_points,
parent_coords,
natural_coords);
}
/// map the points from the subelement reference domain to the parent reference domain
static void mapFromSubRefToParentRef(const Matrix<Real> & element_coords, Matrix<Real> & parent_coords, Matrix<Real> & sub_coords, Matrix<Real> & sub_shapes, Matrix<Real> & physical_points, Matrix<Real> & natural_points, UInt nb_points, UInt sub_element) {
mapToPhysicalDomain(element_coords, sub_coords, sub_shapes, physical_points, sub_element);
mapToParentRefDomain(element_coords, parent_coords, physical_points, natural_points);
}
static void mapFromSubRefToParentRef(const Matrix<Real> & element_coords, Matrix<Real> & sub_coords, Matrix<Real> & parent_coords, Matrix<Real> & sub_shapes, Matrix<Real> & physical_points, Matrix<Real> & parent_el_natural_coords, UInt sub_element) {
mapToPhysicalDomain(element_coords, sub_coords, sub_shapes, physical_points, sub_element);
mapToParentRefDomain(element_coords, parent_coords, physical_points, parent_el_natural_coords);
}
/// compute the normal of a surface defined by the function f
static inline void computeNormalsOnNaturalCoordinates(const Matrix<Real> & coord,
Matrix<Real> & f,
Matrix<Real> & normals) {
AKANTU_DEBUG_TO_IMPLEMENT();
}
/// determine orientation of the element with respect to the interface
static inline bool getOrientation(const Vector<bool> & is_inside);
/* -------------------------------------------------------------------------- */
/* Accessors */
/* -------------------------------------------------------------------------- */
public:
static AKANTU_GET_MACRO_NOT_CONST(Kind, _ek_igfem, ElementKind);
static const ElementType getP1ElementType(){AKANTU_DEBUG_TO_IMPLEMENT();};
static AKANTU_GET_MACRO_NOT_CONST(SpatialDimension, ElementClassProperty<element_type>::spatial_dimension, UInt);
static const ElementType & getFacetType(UInt t = 0) { AKANTU_DEBUG_TO_IMPLEMENT(); }
static const ElementType * getFacetTypeInternal() { AKANTU_DEBUG_TO_IMPLEMENT(); }
private:
/// Type of the facet elements
/// static ElementType facet_type[];
/// type of element P1 associated
/// static ElementType p1_type;
};
#include "element_classes_igfem/element_class_igfem_segment_3_inline_impl.cc"
#include "element_classes_igfem/element_class_igfem_triangle_4_inline_impl.cc"
#include "element_classes_igfem/element_class_igfem_triangle_5_inline_impl.cc"
__END_AKANTU__
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