📄 poissonp3.h
字号:
case 0: return true; break; case 1: return true; break; case 2: return true; break; } return false; } /// Initialize dof map for mesh (return true iff init_cell() is needed) virtual bool init_mesh(const ufc::mesh& m) { __global_dimension = m.num_entities[0] + 2*m.num_entities[1] + m.num_entities[2]; return false; } /// Initialize dof map for given cell virtual void init_cell(const ufc::mesh& m, const ufc::cell& c) { // Do nothing } /// Finish initialization of dof map for cells virtual void init_cell_finalize() { // Do nothing } /// Return the dimension of the global finite element function space virtual unsigned int global_dimension() const { return __global_dimension; } /// Return the dimension of the local finite element function space virtual unsigned int local_dimension() const { return 10; } // Return the geometric dimension of the coordinates this dof map provides virtual unsigned int geometric_dimension() const { return 2; } /// Return the number of dofs on each cell facet virtual unsigned int num_facet_dofs() const { return 4; } /// Return the number of dofs associated with each cell entity of dimension d virtual unsigned int num_entity_dofs(unsigned int d) const { throw std::runtime_error("Not implemented (introduced in UFC v1.1)."); } /// Tabulate the local-to-global mapping of dofs on a cell virtual void tabulate_dofs(unsigned int* dofs, const ufc::mesh& m, const ufc::cell& c) const { dofs[0] = c.entity_indices[0][0]; dofs[1] = c.entity_indices[0][1]; dofs[2] = c.entity_indices[0][2]; unsigned int offset = m.num_entities[0]; dofs[3] = offset + 2*c.entity_indices[1][0]; dofs[4] = offset + 2*c.entity_indices[1][0] + 1; dofs[5] = offset + 2*c.entity_indices[1][1]; dofs[6] = offset + 2*c.entity_indices[1][1] + 1; dofs[7] = offset + 2*c.entity_indices[1][2]; dofs[8] = offset + 2*c.entity_indices[1][2] + 1; offset = offset + 2*m.num_entities[1]; dofs[9] = offset + c.entity_indices[2][0]; } /// Tabulate the local-to-local mapping from facet dofs to cell dofs virtual void tabulate_facet_dofs(unsigned int* dofs, unsigned int facet) const { switch ( facet ) { case 0: dofs[0] = 1; dofs[1] = 2; dofs[2] = 3; dofs[3] = 4; break; case 1: dofs[0] = 0; dofs[1] = 2; dofs[2] = 5; dofs[3] = 6; break; case 2: dofs[0] = 0; dofs[1] = 1; dofs[2] = 7; dofs[3] = 8; break; } } /// Tabulate the local-to-local mapping of dofs on entity (d, i) virtual void tabulate_entity_dofs(unsigned int* dofs, unsigned int d, unsigned int i) const { throw std::runtime_error("Not implemented (introduced in UFC v1.1)."); } /// Tabulate the coordinates of all dofs on a cell virtual void tabulate_coordinates(double** coordinates, const ufc::cell& c) const { const double * const * x = c.coordinates; coordinates[0][0] = x[0][0]; coordinates[0][1] = x[0][1]; coordinates[1][0] = x[1][0]; coordinates[1][1] = x[1][1]; coordinates[2][0] = x[2][0]; coordinates[2][1] = x[2][1]; coordinates[3][0] = 0.666666666666667*x[1][0] + 0.333333333333333*x[2][0]; coordinates[3][1] = 0.666666666666667*x[1][1] + 0.333333333333333*x[2][1]; coordinates[4][0] = 0.333333333333333*x[1][0] + 0.666666666666667*x[2][0]; coordinates[4][1] = 0.333333333333333*x[1][1] + 0.666666666666667*x[2][1]; coordinates[5][0] = 0.666666666666667*x[0][0] + 0.333333333333333*x[2][0]; coordinates[5][1] = 0.666666666666667*x[0][1] + 0.333333333333333*x[2][1]; coordinates[6][0] = 0.333333333333333*x[0][0] + 0.666666666666667*x[2][0]; coordinates[6][1] = 0.333333333333333*x[0][1] + 0.666666666666667*x[2][1]; coordinates[7][0] = 0.666666666666667*x[0][0] + 0.333333333333333*x[1][0]; coordinates[7][1] = 0.666666666666667*x[0][1] + 0.333333333333333*x[1][1]; coordinates[8][0] = 0.333333333333333*x[0][0] + 0.666666666666667*x[1][0]; coordinates[8][1] = 0.333333333333333*x[0][1] + 0.666666666666667*x[1][1]; coordinates[9][0] = 0.333333333333333*x[0][0] + 0.333333333333333*x[1][0] + 0.333333333333333*x[2][0]; coordinates[9][1] = 0.333333333333333*x[0][1] + 0.333333333333333*x[1][1] + 0.333333333333333*x[2][1]; } /// Return the number of sub dof maps (for a mixed element) virtual unsigned int num_sub_dof_maps() const { return 1; } /// Create a new dof_map for sub dof map i (for a mixed element) virtual ufc::dof_map* create_sub_dof_map(unsigned int i) const { return new UFC_PoissonP3BilinearForm_dof_map_0(); }};/// This class defines the interface for a local-to-global mapping of/// degrees of freedom (dofs).class UFC_PoissonP3BilinearForm_dof_map_1: public ufc::dof_map{private: unsigned int __global_dimension;public: /// Constructor UFC_PoissonP3BilinearForm_dof_map_1() : ufc::dof_map() { __global_dimension = 0; } /// Destructor virtual ~UFC_PoissonP3BilinearForm_dof_map_1() { // Do nothing } /// Return a string identifying the dof map virtual const char* signature() const { return "FFC dof map for Lagrange finite element of degree 3 on a triangle"; } /// Return true iff mesh entities of topological dimension d are needed virtual bool needs_mesh_entities(unsigned int d) const { switch ( d ) { case 0: return true; break; case 1: return true; break; case 2: return true; break; } return false; } /// Initialize dof map for mesh (return true iff init_cell() is needed) virtual bool init_mesh(const ufc::mesh& m) { __global_dimension = m.num_entities[0] + 2*m.num_entities[1] + m.num_entities[2]; return false; } /// Initialize dof map for given cell virtual void init_cell(const ufc::mesh& m, const ufc::cell& c) { // Do nothing } /// Finish initialization of dof map for cells virtual void init_cell_finalize() { // Do nothing } /// Return the dimension of the global finite element function space virtual unsigned int global_dimension() const { return __global_dimension; } /// Return the dimension of the local finite element function space virtual unsigned int local_dimension() const { return 10; } // Return the geometric dimension of the coordinates this dof map provides virtual unsigned int geometric_dimension() const { return 2; } /// Return the number of dofs on each cell facet virtual unsigned int num_facet_dofs() const { return 4; } /// Return the number of dofs associated with each cell entity of dimension d virtual unsigned int num_entity_dofs(unsigned int d) const { throw std::runtime_error("Not implemented (introduced in UFC v1.1)."); } /// Tabulate the local-to-global mapping of dofs on a cell virtual void tabulate_dofs(unsigned int* dofs, const ufc::mesh& m, const ufc::cell& c) const { dofs[0] = c.entity_indices[0][0]; dofs[1] = c.entity_indices[0][1]; dofs[2] = c.entity_indices[0][2]; unsigned int offset = m.num_entities[0]; dofs[3] = offset + 2*c.entity_indices[1][0]; dofs[4] = offset + 2*c.entity_indices[1][0] + 1; dofs[5] = offset + 2*c.entity_indices[1][1]; dofs[6] = offset + 2*c.entity_indices[1][1] + 1; dofs[7] = offset + 2*c.entity_indices[1][2]; dofs[8] = offset + 2*c.entity_indices[1][2] + 1; offset = offset + 2*m.num_entities[1]; dofs[9] = offset + c.entity_indices[2][0]; } /// Tabulate the local-to-local mapping from facet dofs to cell dofs virtual void tabulate_facet_dofs(unsigned int* dofs,
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -