MFEM  v4.0
Finite element discretization library
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mfem::miniapps::RT_FESpace Class Reference

#include <fem_extras.hpp>

Inheritance diagram for mfem::miniapps::RT_FESpace:
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Collaboration diagram for mfem::miniapps::RT_FESpace:
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Public Member Functions

 RT_FESpace (Mesh *m, const int p, const int space_dim, int vdim=1, int order=Ordering::byNODES)
 
 ~RT_FESpace ()
 
- Public Member Functions inherited from mfem::FiniteElementSpace
 FiniteElementSpace ()
 Default constructor: the object is invalid until initialized using the method Load(). More...
 
 FiniteElementSpace (const FiniteElementSpace &orig, Mesh *mesh=NULL, const FiniteElementCollection *fec=NULL)
 Copy constructor: deep copy all data from orig except the Mesh, the FiniteElementCollection, ans some derived data. More...
 
 FiniteElementSpace (Mesh *mesh, const FiniteElementCollection *fec, int vdim=1, int ordering=Ordering::byNODES)
 
 FiniteElementSpace (Mesh *mesh, NURBSExtension *ext, const FiniteElementCollection *fec, int vdim=1, int ordering=Ordering::byNODES)
 Construct a NURBS FE space based on the given NURBSExtension, ext. More...
 
MeshGetMesh () const
 Returns the mesh. More...
 
const NURBSExtensionGetNURBSext () const
 
NURBSExtensionGetNURBSext ()
 
NURBSExtensionStealNURBSext ()
 
bool Conforming () const
 
bool Nonconforming () const
 
const SparseMatrixGetConformingProlongation () const
 The returned SparseMatrix is owned by the FiniteElementSpace. More...
 
const SparseMatrixGetConformingRestriction () const
 The returned SparseMatrix is owned by the FiniteElementSpace. More...
 
virtual const OperatorGetProlongationMatrix () const
 The returned Operator is owned by the FiniteElementSpace. More...
 
virtual const SparseMatrixGetRestrictionMatrix () const
 The returned SparseMatrix is owned by the FiniteElementSpace. More...
 
const OperatorGetElementRestriction (ElementDofOrdering e_ordering) const
 Return an Operator that converts L-vectors to E-vectors. More...
 
const QuadratureInterpolatorGetQuadratureInterpolator (const IntegrationRule &ir) const
 Return a QuadratureInterpolator that interpolates E-vectors to quadrature point values and/or derivatives (Q-vectors). More...
 
const QuadratureInterpolatorGetQuadratureInterpolator (const QuadratureSpace &qs) const
 Return a QuadratureInterpolator that interpolates E-vectors to quadrature point values and/or derivatives (Q-vectors). More...
 
int GetVDim () const
 Returns vector dimension. More...
 
int GetOrder (int i) const
 Returns the order of the i'th finite element. More...
 
int GetFaceOrder (int i) const
 Returns the order of the i'th face finite element. More...
 
int GetNDofs () const
 Returns number of degrees of freedom. More...
 
int GetVSize () const
 Return the number of vector dofs, i.e. GetNDofs() x GetVDim(). More...
 
virtual int GetTrueVSize () const
 Return the number of vector true (conforming) dofs. More...
 
int GetNConformingDofs () const
 
int GetConformingVSize () const
 
Ordering::Type GetOrdering () const
 Return the ordering method. More...
 
const FiniteElementCollectionFEColl () const
 
int GetNVDofs () const
 Number of all scalar vertex dofs. More...
 
int GetNEDofs () const
 Number of all scalar edge-interior dofs. More...
 
int GetNFDofs () const
 Number of all scalar face-interior dofs. More...
 
int GetNV () const
 Returns number of vertices in the mesh. More...
 
int GetNE () const
 Returns number of elements in the mesh. More...
 
int GetNF () const
 Returns number of faces (i.e. co-dimension 1 entities) in the mesh. More...
 
int GetNBE () const
 Returns number of boundary elements in the mesh. More...
 
int GetElementType (int i) const
 Returns the type of element i. More...
 
void GetElementVertices (int i, Array< int > &vertices) const
 Returns the vertices of element i. More...
 
int GetBdrElementType (int i) const
 Returns the type of boundary element i. More...
 
ElementTransformationGetElementTransformation (int i) const
 Returns ElementTransformation for the i-th element. More...
 
void GetElementTransformation (int i, IsoparametricTransformation *ElTr)
 Returns the transformation defining the i-th element in the user-defined variable ElTr. More...
 
ElementTransformationGetBdrElementTransformation (int i) const
 Returns ElementTransformation for the i-th boundary element. More...
 
int GetAttribute (int i) const
 
int GetBdrAttribute (int i) const
 
virtual void GetElementDofs (int i, Array< int > &dofs) const
 Returns indexes of degrees of freedom in array dofs for i'th element. More...
 
virtual void GetBdrElementDofs (int i, Array< int > &dofs) const
 Returns indexes of degrees of freedom for i'th boundary element. More...
 
virtual void GetFaceDofs (int i, Array< int > &dofs) const
 
void GetEdgeDofs (int i, Array< int > &dofs) const
 
void GetVertexDofs (int i, Array< int > &dofs) const
 
void GetElementInteriorDofs (int i, Array< int > &dofs) const
 
void GetFaceInteriorDofs (int i, Array< int > &dofs) const
 
int GetNumElementInteriorDofs (int i) const
 
void GetEdgeInteriorDofs (int i, Array< int > &dofs) const
 
void DofsToVDofs (Array< int > &dofs, int ndofs=-1) const
 
void DofsToVDofs (int vd, Array< int > &dofs, int ndofs=-1) const
 
int DofToVDof (int dof, int vd, int ndofs=-1) const
 
int VDofToDof (int vdof) const
 
void GetElementVDofs (int i, Array< int > &vdofs) const
 Returns indexes of degrees of freedom in array dofs for i'th element. More...
 
void GetBdrElementVDofs (int i, Array< int > &vdofs) const
 Returns indexes of degrees of freedom for i'th boundary element. More...
 
void GetFaceVDofs (int i, Array< int > &vdofs) const
 Returns indexes of degrees of freedom for i'th face element (2D and 3D). More...
 
void GetEdgeVDofs (int i, Array< int > &vdofs) const
 Returns indexes of degrees of freedom for i'th edge. More...
 
void GetVertexVDofs (int i, Array< int > &vdofs) const
 
void GetElementInteriorVDofs (int i, Array< int > &vdofs) const
 
void GetEdgeInteriorVDofs (int i, Array< int > &vdofs) const
 
void RebuildElementToDofTable ()
 
void ReorderElementToDofTable ()
 Reorder the scalar DOFs based on the element ordering. More...
 
void BuildDofToArrays ()
 
const TableGetElementToDofTable () const
 
const TableGetBdrElementToDofTable () const
 
int GetElementForDof (int i) const
 
int GetLocalDofForDof (int i) const
 
const FiniteElementGetFE (int i) const
 Returns pointer to the FiniteElement associated with i'th element. More...
 
const FiniteElementGetBE (int i) const
 Returns pointer to the FiniteElement for the i'th boundary element. More...
 
const FiniteElementGetFaceElement (int i) const
 
const FiniteElementGetEdgeElement (int i) const
 
const FiniteElementGetTraceElement (int i, Geometry::Type geom_type) const
 Return the trace element from element 'i' to the given 'geom_type'. More...
 
virtual void GetEssentialVDofs (const Array< int > &bdr_attr_is_ess, Array< int > &ess_vdofs, int component=-1) const
 
virtual void GetEssentialTrueDofs (const Array< int > &bdr_attr_is_ess, Array< int > &ess_tdof_list, int component=-1)
 
void ConvertToConformingVDofs (const Array< int > &dofs, Array< int > &cdofs)
 
void ConvertFromConformingVDofs (const Array< int > &cdofs, Array< int > &dofs)
 
SparseMatrixD2C_GlobalRestrictionMatrix (FiniteElementSpace *cfes)
 
SparseMatrixD2Const_GlobalRestrictionMatrix (FiniteElementSpace *cfes)
 
SparseMatrixH2L_GlobalRestrictionMatrix (FiniteElementSpace *lfes)
 
void GetTransferOperator (const FiniteElementSpace &coarse_fes, OperatorHandle &T) const
 Construct and return an Operator that can be used to transfer GridFunction data from coarse_fes, defined on a coarse mesh, to this FE space, defined on a refined mesh. More...
 
virtual void GetTrueTransferOperator (const FiniteElementSpace &coarse_fes, OperatorHandle &T) const
 Construct and return an Operator that can be used to transfer true-dof data from coarse_fes, defined on a coarse mesh, to this FE space, defined on a refined mesh. More...
 
virtual void Update (bool want_transform=true)
 
const OperatorGetUpdateOperator ()
 Get the GridFunction update operator. More...
 
void GetUpdateOperator (OperatorHandle &T)
 Return the update operator in the given OperatorHandle, T. More...
 
void SetUpdateOperatorOwner (bool own)
 Set the ownership of the update operator: if set to false, the Operator returned by GetUpdateOperator() must be deleted outside the FiniteElementSpace. More...
 
void SetUpdateOperatorType (Operator::Type tid)
 Specify the Operator::Type to be used by the update operators. More...
 
virtual void UpdatesFinished ()
 Free the GridFunction update operator (if any), to save memory. More...
 
long GetSequence () const
 Return update counter (see Mesh::sequence) More...
 
void Save (std::ostream &out) const
 
FiniteElementCollectionLoad (Mesh *m, std::istream &input)
 Read a FiniteElementSpace from a stream. The returned FiniteElementCollection is owned by the caller. More...
 
virtual ~FiniteElementSpace ()
 

Additional Inherited Members

- Static Public Member Functions inherited from mfem::FiniteElementSpace
static void AdjustVDofs (Array< int > &vdofs)
 
static void MarkerToList (const Array< int > &marker, Array< int > &list)
 Convert a Boolean marker array to a list containing all marked indices. More...
 
static void ListToMarker (const Array< int > &list, int marker_size, Array< int > &marker, int mark_val=-1)
 
- Protected Member Functions inherited from mfem::FiniteElementSpace
void UpdateNURBS ()
 
void Construct ()
 
void Destroy ()
 
void BuildElementToDofTable () const
 
void GetEntityDofs (int entity, int index, Array< int > &dofs) const
 Helper to get vertex, edge or face DOFs (entity=0,1,2 resp.). More...
 
void BuildConformingInterpolation () const
 Calculate the cP and cR matrices for a nonconforming mesh. More...
 
void MakeVDimMatrix (SparseMatrix &mat) const
 
SparseMatrixRefinementMatrix_main (const int coarse_ndofs, const Table &coarse_elem_dof, const DenseTensor localP[]) const
 
void GetLocalRefinementMatrices (Geometry::Type geom, DenseTensor &localP) const
 
void GetLocalDerefinementMatrices (Geometry::Type geom, DenseTensor &localR) const
 
SparseMatrixRefinementMatrix (int old_ndofs, const Table *old_elem_dof)
 
SparseMatrixDerefinementMatrix (int old_ndofs, const Table *old_elem_dof)
 Calculate GridFunction restriction matrix after mesh derefinement. More...
 
void GetLocalRefinementMatrices (const FiniteElementSpace &coarse_fes, Geometry::Type geom, DenseTensor &localP) const
 
void Constructor (Mesh *mesh, NURBSExtension *ext, const FiniteElementCollection *fec, int vdim=1, int ordering=Ordering::byNODES)
 Help function for constructors + Load(). More...
 
- Static Protected Member Functions inherited from mfem::FiniteElementSpace
static int DecodeDof (int dof, double &sign)
 Helper to remove encoded sign from a DOF. More...
 
static void AddDependencies (SparseMatrix &deps, Array< int > &master_dofs, Array< int > &slave_dofs, DenseMatrix &I)
 
static bool DofFinalizable (int dof, const Array< bool > &finalized, const SparseMatrix &deps)
 
- Protected Attributes inherited from mfem::FiniteElementSpace
Meshmesh
 The mesh that FE space lives on (not owned). More...
 
const FiniteElementCollectionfec
 Associated FE collection (not owned). More...
 
int vdim
 Vector dimension (number of unknowns per degree of freedom). More...
 
Ordering::Type ordering
 
int ndofs
 Number of degrees of freedom. Number of unknowns is ndofs * vdim. More...
 
int nvdofs
 
int nedofs
 
int nfdofs
 
int nbdofs
 
int * fdofs
 
int * bdofs
 
Tableelem_dof
 
TablebdrElem_dof
 
Array< int > dof_elem_array
 
Array< int > dof_ldof_array
 
NURBSExtensionNURBSext
 
int own_ext
 
SparseMatrixcP
 
SparseMatrixcR
 Conforming restriction matrix such that cR.cP=I. More...
 
bool cP_is_set
 
OperatorHandle Th
 Transformation to apply to GridFunctions after space Update(). More...
 
OperatorHandle L2E_nat
 The element restriction operators, see GetElementRestriction(). More...
 
OperatorHandle L2E_lex
 
Array< QuadratureInterpolator * > E2Q_array
 
long sequence
 

Detailed Description

The RT_FESpace class is a FiniteElementSpace which automatically allocates and destroys its own FiniteElementCollection, in this case an RT_FECollection object.

Definition at line 58 of file fem_extras.hpp.

Constructor & Destructor Documentation

mfem::miniapps::RT_FESpace::RT_FESpace ( Mesh m,
const int  p,
const int  space_dim,
int  vdim = 1,
int  order = Ordering::byNODES 
)

Definition at line 47 of file fem_extras.cpp.

mfem::miniapps::RT_FESpace::~RT_FESpace ( )

Definition at line 54 of file fem_extras.cpp.


The documentation for this class was generated from the following files: