SF_fem_utils.h File Reference

FEM utilities. More...

#include <cassert>
#include <cmath>
#include <cstring>
#include <mpi.h>
#include "SF_container.h"
#include "SF_abstract_vector.h"
#include "SF_abstract_matrix.h"
#include "SF_abstract_lin_solver.h"

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Classes
class	SF::element_view< T, S >
	Comfort class. Provides getter functions to access the mesh member variables more comfortably. More...
class	SF::matrix_integrator< T, S >
	Abstract matrix integration base class. More...
class	SF::vector_integrator< T, S >
	Abstract vector integration base class. More...

Namespaces
	SF

Macros
#define	SF_MAX_ELEM_NODES   10
	max #nodes defining an element More...

Functions
short	SF::num_dof (elem_t type, short order)
	Get number of d.o.f. for an element type and an Ansatz function order. More...
void	SF::general_integration_points (const elem_t type, const short order, Point *ip, double *w, int &nint)
	Compute the integration point locations and weights. More...
void	SF::reference_shape (const elem_t type, const Point ip, dmat< double > &rshape)
	Compute shape function and its derivatives on a reference element. More...
void	SF::jacobian_matrix (const dmat< double > &rshape, const int npts, const Point *pts, double *J)
	Compute Jacobian matrix from the real element to the reference element. More...
void	SF::invert_jacobian_matrix (const elem_t type, double *J, double &detJ)
void	SF::shape_deriv (const double *iJ, const dmat< double > &rshape, const int ndof, dmat< double > &shape)
	Compute shape derivatives for an element, based on the shape derivatives of the associated reference element. More...
template<class T , class V >
void	SF::canonic_indices (const T *nidx, const T *nbr, const T esize, const short dpn, V *cidx)
	Compute canonical indices from nodal indices and dpn. More...
template<class T , class S >
void	SF::assemble_matrix (abstract_matrix< T, S > &mat, meshdata< mesh_int_t, mesh_real_t > &domain, matrix_integrator< mesh_int_t, mesh_real_t > &integrator)
	Generalized matrix assembly. More...
template<class T , class S >
void	SF::assemble_lumped_matrix (abstract_matrix< T, S > &mat, meshdata< mesh_int_t, mesh_real_t > &domain, matrix_integrator< mesh_int_t, mesh_real_t > &integrator)
template<class T , class S >
void	SF::assemble_vector (abstract_vector< T, S > &vec, meshdata< mesh_int_t, mesh_real_t > &domain, vector_integrator< mesh_int_t, mesh_real_t > &integrator)
	Generalized vector assembly. More...
template<class T , class S >
void	SF::extract_element_data (const element_view< mesh_int_t, mesh_real_t > &view, abstract_vector< T, S > &vec, SF_real *buffer)
template<class T , class S >
void	SF::set_element_data (const element_view< mesh_int_t, mesh_real_t > &view, SF_real *buffer, abstract_vector< T, S > &vec)
template<class T , class S >
void	SF::get_transformed_pts (const element_view< T, S > &view, Point *loc_pts, Point &trsf_fibre)

Detailed Description

FEM utilities.

Some of these functions (num dof, integration points, shape funcs) have been copied over from the carpentry source base.

Author

Aurel Neic, Christoph Augustin

Version

Date

2017-11-15

Definition in file SF_fem_utils.h.

Macro Definition Documentation

SF_MAX_ELEM_NODES

#define SF_MAX_ELEM_NODES   10

max #nodes defining an element

Definition at line 40 of file SF_fem_utils.h.