getfem::mesh_fem_global_function Class Reference
this is a convenience class for defining a mesh_fem with base functions which are global functions (functions defined across more than one convexes of a mesh) given by the user. More...
#include <getfem_mesh_fem_global_function.h>
Inherits getfem::mesh_fem.
Additional Inherited Members | |
 Public Member Functions inherited from getfem::mesh_fem | |
| void | update_from_context () const |
| this function has to be defined and should update the object when the context is modified. More... | |
| const dal::bit_vector & | convex_index () const |
| Get the set of convexes where a finite element has been assigned. | |
| bool | is_reduced () const |
| Return true if a reduction matrix is applied to the dofs. | |
| const REDUCTION_MATRIX & | reduction_matrix () const |
| Return the reduction matrix applied to the dofs. | |
| const EXTENSION_MATRIX & | extension_matrix () const |
| Return the extension matrix corresponding to reduction applied (RE=I). | |
| template<typename MATR , typename MATE > | |
| void | set_reduction_matrices (const MATR &RR, const MATE &EE) |
| Allows to set the reduction and the extension matrices. More... | |
| void | reduce_to_basic_dof (const dal::bit_vector &kept_basic_dof) |
| Allows to set the reduction and the extension matrices in order to keep only a certain number of dof. More... | |
| void | set_reduction (bool r) |
| Validate or invalidate the reduction (keeping the reduction matrices). | |
| const mesh & | linked_mesh () const |
| Return a reference to the underlying mesh. | |
| void | set_auto_add (dim_type K, bool disc=false, scalar_type alpha=scalar_type(0), bool complete=false) |
| Set the degree of the fem for automatic addition of element option. More... | |
| void | set_auto_add (pfem pf) |
| Set the fem for automatic addition of element option. More... | |
| virtual dim_type | get_qdim () const |
| Return the Q dimension. More... | |
| virtual void | set_qdim (dim_type q) |
| Change the Q dimension. | |
| virtual void | set_qdim (dim_type M, dim_type N) |
| Set the dimension for a matrix field. More... | |
| virtual void | set_qdim (dim_type M, dim_type N, dim_type O, dim_type P) |
| Set the dimension for a fourth order tensor field. More... | |
| virtual void | set_qdim (const bgeot::multi_index &mii) |
| Set the dimension for an arbitrary order tensor field. More... | |
| dim_type | get_qdim_m () const IS_DEPRECATED |
| for matrix fields, return the number of rows. More... | |
| dim_type | get_qdim_n () const IS_DEPRECATED |
| for matrix fields, return the number of columns. More... | |
| void | set_finite_element (size_type cv, pfem pf) |
| Set the finite element method of a convex. More... | |
| void | set_finite_element (const dal::bit_vector &cvs, pfem pf) |
| Set the finite element on a set of convexes. More... | |
| void | set_finite_element (pfem pf) |
| shortcut for set_finite_element(linked_mesh().convex_index(),pf); and set_auto_add(pf). More... | |
| void | set_classical_finite_element (size_type cv, dim_type fem_degree, bool complete=false) |
| Set a classical (i.e. More... | |
| void | set_classical_finite_element (const dal::bit_vector &cvs, dim_type fem_degree, bool complete=false) |
| Set a classical (i.e. More... | |
| void | set_classical_discontinuous_finite_element (size_type cv, dim_type fem_degree, scalar_type alpha=0, bool complete=false) |
| Similar to set_classical_finite_element, but uses discontinuous lagrange elements. More... | |
| void | set_classical_discontinuous_finite_element (const dal::bit_vector &cvs, dim_type fem_degree, scalar_type alpha=0, bool complete=false) |
| Similar to set_classical_finite_element, but uses discontinuous lagrange elements. More... | |
| void | set_classical_finite_element (dim_type fem_degree, bool complete=false) |
| Shortcut for set_classical_finite_element(linked_mesh().convex_index(),...) | |
| void | set_classical_discontinuous_finite_element (dim_type fem_degree, scalar_type alpha=0, bool complete=false) |
| Shortcut for set_classical_discontinuous_finite_element(linked_mesh().convex_index() ,...) | |
| virtual pfem | fem_of_element (size_type cv) const |
| Return the basic fem associated with an element (if no fem is associated, the function will crash! use the convex_index() of the mesh_fem to check that a fem is associated to a given convex). More... | |
| virtual ind_dof_ct | ind_basic_dof_of_element (size_type cv) const |
| Give an array of the dof numbers a of convex. More... | |
| virtual ind_dof_face_ct | ind_basic_dof_of_face_of_element (size_type cv, short_type f) const |
| Give an array of the dof numbers lying of a convex face (all degrees of freedom whose associated base function is non-zero on the convex face). More... | |
| virtual size_type | nb_basic_dof_of_face_of_element (size_type cv, short_type f) const |
| Return the number of dof lying on the given convex face. More... | |
| virtual size_type | nb_basic_dof_of_element (size_type cv) const |
| Return the number of degrees of freedom attached to a given convex. More... | |
| virtual base_node | point_of_basic_dof (size_type cv, size_type i) const |
| Return the geometrical location of a degree of freedom. More... | |
| virtual base_node | point_of_basic_dof (size_type d) const |
| Return the geometrical location of a degree of freedom. More... | |
| virtual dim_type | basic_dof_qdim (size_type d) const |
| Return the dof component number (0<= x <Qdim) | |
| virtual size_type | first_convex_of_basic_dof (size_type d) const |
| Shortcut for convex_to_dof(d)[0]. More... | |
| virtual const mesh::ind_cv_ct & | convex_to_basic_dof (size_type d) const |
| Return the list of convexes attached to the specified dof. More... | |
| virtual void | get_global_dof_index (std::vector< size_type > &ind) const |
| Give an array that contains the global dof indices corresponding to the mesh_fem dofs or size_type(-1) if a dof is not global. More... | |
| virtual void | enumerate_dof () const |
| Renumber the degrees of freedom. More... | |
| virtual size_type | nb_basic_dof () const |
| Return the total number of basic degrees of freedom (before the optional reduction). More... | |
| virtual size_type | nb_dof () const |
| Return the total number of degrees of freedom. | |
| virtual dal::bit_vector | basic_dof_on_region (const mesh_region &b) const |
| Get a list of basic dof lying on a given mesh_region. More... | |
| dal::bit_vector | dof_on_region (const mesh_region &b) const |
| Get a list of dof lying on a given mesh_region. More... | |
| mesh_fem (const mesh &me, dim_type Q=1) | |
| Build a new mesh_fem. More... | |
| virtual void | read_from_file (std::istream &ist) |
| Read the mesh_fem from a stream. More... | |
| void | read_from_file (const std::string &name) |
| Read the mesh_fem from a file. More... | |
| virtual void | write_to_file (std::ostream &ost) const |
| Write the mesh_fem to a stream. More... | |
| void | write_to_file (const std::string &name, bool with_mesh=false) const |
| Write the mesh_fem to a file. More... | |
| Public Member Functions inherited from getfem::context_dependencies | |
| bool | context_check () const |
| return true if update_from_context was called | |
Detailed Description
this is a convenience class for defining a mesh_fem with base functions which are global functions (functions defined across more than one convexes of a mesh) given by the user.
Definition at line 50 of file getfem_mesh_fem_global_function.h.
The documentation for this class was generated from the following files:
