MFEM  v3.3.2
Finite element discretization library
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mfem::PositiveFiniteElement Class Reference

#include <fe.hpp>

Inherits mfem::ScalarFiniteElement.

Inherited by mfem::BiQuadPos2DFiniteElement, mfem::H1Pos_HexahedronElement, mfem::H1Pos_QuadrilateralElement, mfem::H1Pos_SegmentElement, mfem::H1Pos_TetrahedronElement, mfem::H1Pos_TriangleElement, mfem::L2Pos_HexahedronElement, mfem::L2Pos_QuadrilateralElement, mfem::L2Pos_SegmentElement, mfem::L2Pos_TetrahedronElement, mfem::L2Pos_TriangleElement, and mfem::QuadPos1DFiniteElement.

Collaboration diagram for mfem::PositiveFiniteElement:
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Public Member Functions

 PositiveFiniteElement (int D, int G, int Do, int O, int F=FunctionSpace::Pk)
 
virtual void GetLocalInterpolation (ElementTransformation &Trans, DenseMatrix &I) const
 
virtual void Project (Coefficient &coeff, ElementTransformation &Trans, Vector &dofs) const
 
virtual void Project (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &I) const
 
- Public Member Functions inherited from mfem::ScalarFiniteElement
 ScalarFiniteElement (int D, int G, int Do, int O, int F=FunctionSpace::Pk)
 
void SetMapType (int M)
 
- Public Member Functions inherited from mfem::FiniteElement
 FiniteElement (int D, int G, int Do, int O, int F=FunctionSpace::Pk)
 
int GetDim () const
 Returns the reference space dimension for the finite element. More...
 
int GetGeomType () const
 Returns the Geometry::Type of the reference element. More...
 
int GetDof () const
 Returns the number of degrees of freedom in the finite element. More...
 
int GetOrder () const
 Returns the order of the finite element. More...
 
int Space () const
 Returns the type of space on each element. More...
 
int GetRangeType () const
 
int GetDerivRangeType () const
 
int GetMapType () const
 
int GetDerivType () const
 
int GetDerivMapType () const
 
virtual void CalcShape (const IntegrationPoint &ip, Vector &shape) const =0
 Evaluate the values of all shape functions of a scalar finite element in reference space at the given point ip. More...
 
void CalcPhysShape (ElementTransformation &Trans, Vector &shape) const
 Evaluate the values of all shape functions of a scalar finite element in physical space at the point described by Trans. More...
 
virtual void CalcDShape (const IntegrationPoint &ip, DenseMatrix &dshape) const =0
 Evaluate the gradients of all shape functions of a scalar finite element in reference space at the given point ip. More...
 
void CalcPhysDShape (ElementTransformation &Trans, DenseMatrix &dshape) const
 Evaluate the gradients of all shape functions of a scalar finite element in physical space at the point described by Trans. More...
 
const IntegrationRuleGetNodes () const
 
virtual void CalcVShape (const IntegrationPoint &ip, DenseMatrix &shape) const
 Evaluate the values of all shape functions of a vector finite element in reference space at the given point ip. More...
 
virtual void CalcVShape (ElementTransformation &Trans, DenseMatrix &shape) const
 Evaluate the values of all shape functions of a vector finite element in physical space at the point described by Trans. More...
 
void CalcPhysVShape (ElementTransformation &Trans, DenseMatrix &shape) const
 Equivalent to the CalcVShape() method with the same arguments. More...
 
virtual void CalcDivShape (const IntegrationPoint &ip, Vector &divshape) const
 Evaluate the divergence of all shape functions of a vector finite element in reference space at the given point ip. More...
 
void CalcPhysDivShape (ElementTransformation &Trans, Vector &divshape) const
 Evaluate the divergence of all shape functions of a vector finite element in physical space at the point described by Trans. More...
 
virtual void CalcCurlShape (const IntegrationPoint &ip, DenseMatrix &curl_shape) const
 Evaluate the curl of all shape functions of a vector finite element in reference space at the given point ip. More...
 
void CalcPhysCurlShape (ElementTransformation &Trans, DenseMatrix &curl_shape) const
 Evaluate the curl of all shape functions of a vector finite element in physical space at the point described by Trans. More...
 
virtual void GetFaceDofs (int face, int **dofs, int *ndofs) const
 
virtual void CalcHessian (const IntegrationPoint &ip, DenseMatrix &h) const
 
virtual void Project (VectorCoefficient &vc, ElementTransformation &Trans, Vector &dofs) const
 
virtual void ProjectMatrixCoefficient (MatrixCoefficient &mc, ElementTransformation &T, Vector &dofs) const
 
virtual void ProjectDelta (int vertex, Vector &dofs) const
 
virtual void ProjectGrad (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &grad) const
 
virtual void ProjectCurl (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &curl) const
 
virtual void ProjectDiv (const FiniteElement &fe, ElementTransformation &Trans, DenseMatrix &div) const
 
virtual ~FiniteElement ()
 

Protected Member Functions

void PositiveLocalInterpolation (ElementTransformation &Trans, DenseMatrix &I, const PositiveFiniteElement &fine_fe) const
 

Additional Inherited Members

- Public Types inherited from mfem::FiniteElement
enum  { SCALAR, VECTOR }
 Enumeration for RangeType and DerivRangeType. More...
 
enum  { VALUE, INTEGRAL, H_DIV, H_CURL }
 Enumeration for MapType: defines how reference functions are mapped to physical space. More...
 
enum  { NONE, GRAD, DIV, CURL }
 Enumeration for DerivType: defines which derivative method is implemented. More...
 
- Static Public Member Functions inherited from mfem::FiniteElement
static int VerifyClosed (int pt_type)
 
static int VerifyOpen (int pt_type)
 
- Protected Attributes inherited from mfem::FiniteElement
int Dim
 Dimension of reference space. More...
 
int GeomType
 Geometry::Type of the reference element. More...
 
int Dof
 Number of degrees of freedom. More...
 
int Order
 Order/degree of the shape functions. More...
 
int FuncSpace
 
int RangeType
 
int MapType
 
int DerivType
 
int DerivRangeType
 
int DerivMapType
 
IntegrationRule Nodes
 
DenseMatrix vshape
 

Detailed Description

Definition at line 370 of file fe.hpp.

Constructor & Destructor Documentation

mfem::PositiveFiniteElement::PositiveFiniteElement ( int  D,
int  G,
int  Do,
int  O,
int  F = FunctionSpace::Pk 
)
inline

Definition at line 378 of file fe.hpp.

Member Function Documentation

virtual void mfem::PositiveFiniteElement::GetLocalInterpolation ( ElementTransformation Trans,
DenseMatrix I 
) const
inlinevirtual

Return the local interpolation matrix I (Dof x Dof) where the fine element is the image of the base geometry under the given transformation.

Reimplemented from mfem::FiniteElement.

Reimplemented in mfem::BiQuadPos2DFiniteElement.

Definition at line 383 of file fe.hpp.

void mfem::PositiveFiniteElement::PositiveLocalInterpolation ( ElementTransformation Trans,
DenseMatrix I,
const PositiveFiniteElement fine_fe 
) const
protected

Definition at line 405 of file fe.cpp.

void mfem::PositiveFiniteElement::Project ( Coefficient coeff,
ElementTransformation Trans,
Vector dofs 
) const
virtual

Given a coefficient and a transformation, compute its projection (approximation) in the local finite dimensional space in terms of the degrees of freedom.

Reimplemented from mfem::FiniteElement.

Reimplemented in mfem::BiQuadPos2DFiniteElement.

Definition at line 445 of file fe.cpp.

void mfem::PositiveFiniteElement::Project ( const FiniteElement fe,
ElementTransformation Trans,
DenseMatrix I 
) const
virtual

Compute the embedding/projection matrix from the given FiniteElement onto 'this' FiniteElement. The ElementTransformation is included to support cases when the projection depends on it.

Reimplemented from mfem::FiniteElement.

Definition at line 456 of file fe.cpp.


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