class NodalFiniteElement

Nodal finite element.

Documentation

Nodal finite element. Provides shape functions and derivaties. Values of shape functions and derivatives in integration points are stored as static data (IPData).

Inheritance:

Public Methods

NodalFiniteElement(int adimspace = 0, ELEMENT_TYPE aeltype = ET_TRIG, int andof = 0, int aorder = 0)

virtual ~NodalFiniteElement()

virtual const IntegrationRule& NodalIntegrationRule() const

const FlatVector<> GetShape(const IntegrationPoint & ip, LocalHeap & lh) const

returns shape functions in point ip.

virtual const FlatVector<> GetShapeV(const IntegrationPoint & ip) const

const FlatMatrix<> GetDShape(const IntegrationPoint & ip, LocalHeap & lh) const

returns derivatives in point ip.

virtual const FlatMatrix<> GetDShapeV(const IntegrationPoint & ip) const

returns stored derivaties

virtual void CalcShape(const IntegrationPoint & ip, FlatVector<> shape) const = 0

compute shape

virtual void CalcDShape(const IntegrationPoint & ip, FlatMatrix<> dshape) const

compute dshape, matrix: ndof x spacedim

Protected Methods

virtual const ARRAY<IPData*> & GetIPData() const = 0

returns integarion point data structure

void CalcIPData(ELEMENT_TYPE et, ARRAY<IPData*> & ipdata)

Protected Members

class IPData

stored information in integration points

Inherited from FiniteElement:

Public Methods

int SpatialDim() const

int GetNDof() const

int Order() const

ELEMENT_TYPE ElementType() const

NodalFiniteElement(int adimspace = 0, ELEMENT_TYPE aeltype = ET_TRIG, int andof = 0, int aorder = 0)

virtual ~NodalFiniteElement()

virtual const IntegrationRule& NodalIntegrationRule() const

const FlatVector<> GetShape(const IntegrationPoint & ip, LocalHeap & lh) const

returns shape functions in point ip. returns stored values for valid ip.IPNr(), else computes values

virtual const FlatVector<> GetShapeV(const IntegrationPoint & ip) const

const FlatMatrix<> GetDShape(const IntegrationPoint & ip, LocalHeap & lh) const

returns derivatives in point ip. returns stored values for valid ip.IPNr(), else computes values

virtual const FlatMatrix<> GetDShapeV(const IntegrationPoint & ip) const

returns stored derivaties

virtual void CalcShape(const IntegrationPoint & ip, FlatVector<> shape) const = 0

compute shape

virtual void CalcDShape(const IntegrationPoint & ip, FlatMatrix<> dshape) const

compute dshape, matrix: ndof x spacedim

virtual const ARRAY<IPData*> & GetIPData() const = 0

returns integarion point data structure

void CalcIPData(ELEMENT_TYPE et, ARRAY<IPData*> & ipdata)

Direct child classes:

T_NodalFiniteElement
FE_TrigP
FE_Trig3Pot
FE_Trig2HB
FE_Trig0
FE_TetP
FE_Tet3Pot
FE_Tet2HB
FE_SegmP
FE_Segm3Pot
FE_QuadP
FE_Quad2aniso
FE_Quad1
FE_Quad0
FE_Pyramid2
FE_Pyramid1
FE_Pyramid0
FE_PrismP
FE_Prism3aniso
FE_Prism2aniso
FE_Prism2HBaniso
FE_Prism2
FE_Prism1
FE_Prism0
FE_NcTrig1
FE_NcTet1
FE_HexP
FE_Hex1
FE_Hex0
FE_Augmented_TrigP
FE_Augmented_TetP
FE_Augmented_SegmP

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