First order triangular interpolation in 3D space (3 nodes). More...

#include <fei3dtrlin.h>

Inheritance diagram for oofem::FEI3dTrLin:

Collaboration diagram for oofem::FEI3dTrLin:

Public Member Functions
	FEI3dTrLin ()

virtual integrationDomain	giveIntegrationDomain () const
	Returns the integration domain of the interpolator. More...

virtual Element_Geometry_Type	giveGeometryType () const
	Returns the geometry type fo the interpolator. More...

virtual integrationDomain	giveBoundaryIntegrationDomain (int ib) const
	Returns boundary integration domain. More...

virtual integrationDomain	giveBoundarySurfaceIntegrationDomain (int isurf) const
	Returns boundary integration domain. More...

virtual integrationDomain	giveBoundaryEdgeIntegrationDomain (int iedge) const
	Returns boundary integration domain. More...

virtual void	evalN (FloatArray &answer, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the array of interpolation functions (shape functions) at given point. More...

virtual double	evaldNdx (FloatMatrix &answer, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the matrix of derivatives of interpolation functions (shape functions) at given point. More...

virtual void	local2global (FloatArray &answer, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates global coordinates from given local ones. More...

virtual int	global2local (FloatArray &answer, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates local coordinates from given global ones. More...

void	giveDerivativeXi (FloatArray &n, const FloatArray &lcoords)

void	giveDerivativeEta (FloatArray &n, const FloatArray &lcoords)

virtual void	evaldNdxi (FloatMatrix &answer, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the matrix of derivatives of interpolation functions (shape functions) at given point. More...

void	surfaceEvaldNdxi (FloatMatrix &answer, const FloatArray &lcoords)

virtual void	edgeEvalN (FloatArray &answer, int iedge, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the array of edge interpolation functions (shape functions) at given point. More...

virtual void	edgeEvaldNdxi (FloatArray &answer, int iedge, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the matrix of derivatives of edge interpolation functions (shape functions) at given point. More...

virtual void	edgeEvaldNdx (FloatMatrix &answer, int iedge, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the matrix of derivatives of edge interpolation functions (shape functions) at given point. More...

virtual void	edgeLocal2global (FloatArray &answer, int iedge, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates edge global coordinates from given local ones. More...

virtual double	edgeGiveTransformationJacobian (int iedge, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the edge jacobian of transformation between local and global coordinates. More...

virtual void	computeLocalEdgeMapping (IntArray &edgeNodes, int iedge)

virtual int	giveNumberOfEdges () const
	Returns number of edges. More...

virtual void	surfaceEvalN (FloatArray &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the array of edge interpolation functions (shape functions) at given point. More...

virtual void	surfaceEvaldNdx (FloatMatrix &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the matrix of derivatives of edge interpolation functions (shape functions) at given point. More...

virtual double	surfaceEvalNormal (FloatArray &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the normal out of the surface at given point. More...

virtual void	surfaceLocal2global (FloatArray &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates edge global coordinates from given local ones. More...

virtual double	surfaceGiveTransformationJacobian (int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the edge jacobian of transformation between local and global coordinates. More...

virtual void	computeLocalSurfaceMapping (IntArray &edgeNodes, int iedge)

void	surfaceEvalBaseVectorsAt (FloatArray &G1, FloatArray &G2, const FloatArray &lcoords, const FEICellGeometry &cellgeo)

virtual void	surfaceGiveJacobianMatrixAt (FloatMatrix &jacobianMatrix, const FloatArray &lcoords, const FEICellGeometry &cellgeo)

virtual IntegrationRule *	giveIntegrationRule (int order)
	Sets up a suitable integration rule for numerical integrating over volume. More...

virtual IntegrationRule *	giveBoundaryIntegrationRule (int order, int boundary)
	Sets up a suitable integration rule for integrating over the requested boundary. More...

double	giveArea (const FEICellGeometry &cellgeo) const

virtual int	giveNumberOfNodes () const
	Returns the number of geometric nodes of the receiver. More...

Public Member Functions inherited from oofem::FEInterpolation3d
	FEInterpolation3d (int o)

virtual int	giveNsd ()
	Returns number of spatial dimensions. More...

virtual double	giveVolume (const FEICellGeometry &cellgeo) const
	Computes the exact volume. More...

virtual void	boundaryEdgeGiveNodes (IntArray &answer, int boundary)
	Gives the boundary nodes for requested boundary number. More...

virtual void	boundaryEdgeEvalN (FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the basis functions on the requested boundary. More...

virtual double	boundaryEdgeGiveTransformationJacobian (int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the determinant of the transformation Jacobian on the requested boundary. More...

virtual void	boundaryEdgeLocal2Global (FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Maps the local boundary coordinates to global. More...

virtual void	boundarySurfaceEvalN (FloatArray &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the array of edge interpolation functions (shape functions) at given point. More...

virtual void	boundarySurfaceEvaldNdx (FloatMatrix &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the matrix of derivatives of edge interpolation functions (shape functions) at given point. More...

virtual double	boundarySurfaceEvalNormal (FloatArray &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the normal out of the surface at given point. More...

virtual void	boundarySurfaceLocal2global (FloatArray &answer, int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates edge global coordinates from given local ones. More...

virtual double	boundarySurfaceGiveTransformationJacobian (int isurf, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the edge jacobian of transformation between local and global coordinates. More...

virtual void	boundaryGiveNodes (IntArray &answer, int boundary)
	Gives the boundary nodes for requested boundary number. More...

virtual void	boundaryEvalN (FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the basis functions on the requested boundary. More...

virtual double	boundaryEvalNormal (FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the normal on the requested boundary. More...

virtual double	boundaryGiveTransformationJacobian (int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the determinant of the transformation Jacobian on the requested boundary. More...

virtual void	boundaryLocal2Global (FloatArray &answer, int boundary, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Maps the local boundary coordinates to global. More...

virtual IntegrationRule *	giveBoundaryEdgeIntegrationRule (int order, int boundary)
	Sets up a suitable integration rule for integrating over the requested boundary. More...

virtual void	boundarySurfaceGiveNodes (IntArray &answer, int boundary)
	Gives the boundary nodes for requested boundary number. More...

void	computeEdgeMapping (IntArray &edgeNodes, IntArray &elemNodes, int iedge)

void	computeSurfaceMapping (IntArray &surfNodes, IntArray &elemNodes, int isurf)

Public Member Functions inherited from oofem::FEInterpolation
	FEInterpolation (int o)

virtual	~FEInterpolation ()

virtual IRResultType	initializeFrom (InputRecord *ir)
	Initializes receiver according to object description stored in input record. More...

std::string	errorInfo (const char *func) const

int	giveInterpolationOrder ()
	Returns the interpolation order. More...

virtual void	evald2Ndx2 (FloatMatrix &answer, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the matrix of second derivatives of interpolation functions (shape functions) at given point. More...

virtual void	giveLocalNodeCoords (FloatMatrix &answer)
	Returns a matrix containing the local coordinates for each node corresponding to the interpolation. More...

virtual double	giveTransformationJacobian (const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Evaluates the determinant of the transformation. More...

virtual IntegrationRule *	giveBoundarySurfaceIntegrationRule (int order, int boundary)
	Sets up a suitable integration rule for integrating over the requested boundary. More...

virtual double	evalNXIntegral (int boundary, const FEICellGeometry &cellgeo)
	Computes the integral $\int_S n \cdot x \mathrm{d}s$ . More...

virtual int	giveKnotSpanBasisFuncMask (const IntArray &knotSpan, IntArray &mask)
	Returns indices (zero based) of nonzero basis functions for given knot span. More...

virtual int	giveNumberOfKnotSpanBasisFunctions (const IntArray &knotSpan)
	Returns the number of nonzero basis functions at individual knot span,. More...

virtual bool	hasSubPatchFormulation ()
	Returns true, if receiver is formulated on sub-patch basis. More...

virtual const double const	giveKnotVector ()
	Returns the subdivision of patch parametric space. More...

virtual int	giveNumberOfKnotSpans (int dim)
	Returns the number of knot spans of the receiver. More...

virtual const FloatArray *	giveKnotValues (int dim)
	Returns the knot values of the receiver. More...

virtual const IntArray *	giveKnotMultiplicity (int dim)
	Returns the knot multiplicity of the receiver. More...

Protected Member Functions
double	edgeComputeLength (IntArray &edgeNodes, const FEICellGeometry &cellgeo)

double	computeVolume (const FEICellGeometry &cellgeo)

virtual void	giveJacobianMatrixAt (FloatMatrix &jacobianMatrix, const FloatArray &lcoords, const FEICellGeometry &cellgeo)
	Gives the jacobian matrix at the local coordinates. More...

Additional Inherited Members
Protected Attributes inherited from oofem::FEInterpolation
int	order

Detailed Description

First order triangular interpolation in 3D space (3 nodes).

Todo:: This class is entirely unchecked.

Author: Jim Brouzoulis

Definition at line 46 of file fei3dtrlin.h.

Constructor & Destructor Documentation

oofem::FEI3dTrLin::FEI3dTrLin ( )

inline

Definition at line 49 of file fei3dtrlin.h.

Member Function Documentation

void oofem::FEI3dTrLin::computeLocalEdgeMapping	(	IntArray &	edgeNodes,
		int	iedge
	)

virtual

Implements oofem::FEInterpolation3d.

Definition at line 165 of file fei3dtrlin.C.

References OOFEM_ERROR.

Referenced by computeLocalSurfaceMapping(), edgeGiveTransformationJacobian(), and edgeLocal2global().

void oofem::FEI3dTrLin::computeLocalSurfaceMapping	(	IntArray &	edgeNodes,
		int	iedge
	)

virtual

Implements oofem::FEInterpolation3d.

Definition at line 293 of file fei3dtrlin.C.

References computeLocalEdgeMapping().

double oofem::FEI3dTrLin::computeVolume ( const FEICellGeometry & cellgeo )

protected

double oofem::FEI3dTrLin::edgeComputeLength	(	IntArray &	edgeNodes,
		const FEICellGeometry &	cellgeo
	)

protected

Todo:: Implement this

Definition at line 184 of file fei3dtrlin.C.

References OOFEM_ERROR.

void oofem::FEI3dTrLin::edgeEvaldNdx	(	FloatMatrix &	answer,
		int	iedge,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the matrix of derivatives of edge interpolation functions (shape functions) at given point.

These derivatives are in global coordinate system (where the nodal coordinates are defined)

Parameters

answer	Contains resulting matrix of derivatives, the member at i,j position contains value of dNj/dxi.
iedge	Determines the edge number.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Implements oofem::FEInterpolation3d.

Definition at line 123 of file fei3dtrlin.C.

References OOFEM_ERROR.

void oofem::FEI3dTrLin::edgeEvaldNdxi	(	FloatArray &	answer,
		int	iedge,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the matrix of derivatives of edge interpolation functions (shape functions) at given point.

These derivatives are in local (parent) coordinate system

Parameters

answer	Contains resulting matrix of derivatives, the member at i,j position contains value of dN_j/dxi_i.
iedge	Determines the edge number.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Reimplemented from oofem::FEInterpolation3d.

Definition at line 130 of file fei3dtrlin.C.

References oofem::FloatArray::resize().

void oofem::FEI3dTrLin::edgeEvalN	(	FloatArray &	answer,
		int	iedge,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the array of edge interpolation functions (shape functions) at given point.

Parameters

answer	Contains resulting array of evaluated interpolation functions.
iedge	Edge number.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Implements oofem::FEInterpolation3d.

Definition at line 112 of file fei3dtrlin.C.

References oofem::FloatArray::at(), and oofem::FloatArray::resize().

Referenced by edgeLocal2global().

double oofem::FEI3dTrLin::edgeGiveTransformationJacobian	(	int	iedge,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the edge jacobian of transformation between local and global coordinates.

Parameters

iedge	Determines edge number.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Returns: Determinant of the transformation.

Todo:: Implement this

Implements oofem::FEInterpolation3d.

Definition at line 154 of file fei3dtrlin.C.

References computeLocalEdgeMapping(), and OOFEM_ERROR.

void oofem::FEI3dTrLin::edgeLocal2global	(	FloatArray &	answer,
		int	iedge,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates edge global coordinates from given local ones.

These derivatives are in global coordinate system (where the nodal coordinates are defined).

Parameters

answer	Contains resulting global coordinates.
iedge	Determines edge number.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Implements oofem::FEInterpolation3d.

Definition at line 138 of file fei3dtrlin.C.

References oofem::FloatArray::add(), computeLocalEdgeMapping(), edgeEvalN(), oofem::FloatArray::giveSize(), oofem::FEICellGeometry::giveVertexCoordinates(), N, and oofem::FloatArray::resize().

double oofem::FEI3dTrLin::evaldNdx	(	FloatMatrix &	answer,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the matrix of derivatives of interpolation functions (shape functions) at given point.

These derivatives are in global coordinate system (where the nodal coordinates are defined)

Parameters

answer	Contains resulting matrix of derivatives, the member at i,j position contains value of dNi/dxj.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Returns: Determinant of the Jacobian.

Implements oofem::FEInterpolation.

Definition at line 50 of file fei3dtrlin.C.

References OOFEM_ERROR.

void oofem::FEI3dTrLin::evaldNdxi	(	FloatMatrix &	answer,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the matrix of derivatives of interpolation functions (shape functions) at given point.

These derivatives are wrt local (parent) coordinate system

Parameters

answer	Contains resulting matrix of derivatives, the member at i,j position contains value of dNi/dxij.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Reimplemented from oofem::FEInterpolation.

Definition at line 58 of file fei3dtrlin.C.

References surfaceEvaldNdxi().

Referenced by oofem::IntElSurfTr1::computeCovarBaseVectorsAt().

void oofem::FEI3dTrLin::evalN	(	FloatArray &	answer,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the array of interpolation functions (shape functions) at given point.

Parameters

answer	Contains resulting array of evaluated interpolation functions.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Implements oofem::FEInterpolation.

Definition at line 44 of file fei3dtrlin.C.

References surfaceEvalN().

Referenced by oofem::IntElSurfTr1::computeGlobalCoordinates(), oofem::IntElSurfTr1::computeNmatrixAt(), and local2global().

double oofem::FEI3dTrLin::giveArea ( const FEICellGeometry & cellgeo ) const

Definition at line 319 of file fei3dtrlin.C.

References oofem::FloatArray::beVectorProductOf(), oofem::FloatArray::computeNorm(), and oofem::FEICellGeometry::giveVertexCoordinates().

virtual integrationDomain oofem::FEI3dTrLin::giveBoundaryEdgeIntegrationDomain ( int boundary ) const

inlinevirtual

Returns boundary integration domain.

Implements oofem::FEInterpolation.

Definition at line 56 of file fei3dtrlin.h.

References oofem::_Line.

virtual integrationDomain oofem::FEI3dTrLin::giveBoundaryIntegrationDomain ( int boundary ) const

inlinevirtual

Returns boundary integration domain.

Implements oofem::FEInterpolation.

Definition at line 54 of file fei3dtrlin.h.

References oofem::_Line.

IntegrationRule * oofem::FEI3dTrLin::giveBoundaryIntegrationRule	(	int	order,
		int	boundary
	)

virtual

Sets up a suitable integration rule for integrating over the requested boundary.

The required polynomial order for the determinant of the jacobian is added automatically.

Parameters

order	Polynomial order of the integrand (should NOT including determinant of jacobian).
boundary	Boundary number.

Todo:: Not sure about what defines boundaries on these elements. 2 surfaces + 3 edges? Ask Jim about this.

Reimplemented from oofem::FEInterpolation3d.

Definition at line 310 of file fei3dtrlin.C.

References OOFEM_ERROR.

virtual integrationDomain oofem::FEI3dTrLin::giveBoundarySurfaceIntegrationDomain ( int boundary ) const

inlinevirtual

Returns boundary integration domain.

Implements oofem::FEInterpolation.

Definition at line 55 of file fei3dtrlin.h.

References oofem::_Triangle.

void oofem::FEI3dTrLin::giveDerivativeEta	(	FloatArray &	n,
		const FloatArray &	lcoords
	)

Definition at line 74 of file fei3dtrlin.C.

References oofem::FloatArray::at(), and oofem::FloatArray::resize().

Referenced by surfaceEvaldNdxi().

void oofem::FEI3dTrLin::giveDerivativeXi	(	FloatArray &	n,
		const FloatArray &	lcoords
	)

Definition at line 65 of file fei3dtrlin.C.

References oofem::FloatArray::at(), and oofem::FloatArray::resize().

Referenced by surfaceEvaldNdxi().

virtual Element_Geometry_Type oofem::FEI3dTrLin::giveGeometryType ( ) const

inlinevirtual

Returns the geometry type fo the interpolator.

Implements oofem::FEInterpolation.

Definition at line 52 of file fei3dtrlin.h.

virtual integrationDomain oofem::FEI3dTrLin::giveIntegrationDomain ( ) const

inlinevirtual

Returns the integration domain of the interpolator.

Implements oofem::FEInterpolation.

Definition at line 51 of file fei3dtrlin.h.

References oofem::_Triangle.

IntegrationRule * oofem::FEI3dTrLin::giveIntegrationRule ( int order )

virtual

Sets up a suitable integration rule for numerical integrating over volume.

The required polynomial order for the determinant of the jacobian is added automatically.

Parameters

order Polynomial order of integrand (should NOT including determinant of jacobian).

Reimplemented from oofem::FEInterpolation.

Definition at line 301 of file fei3dtrlin.C.

References oofem::_Triangle, oofem::IntegrationRule::getRequiredNumberOfIntegrationPoints(), and oofem::IntegrationRule::SetUpPointsOnTriangle().

void oofem::FEI3dTrLin::giveJacobianMatrixAt	(	FloatMatrix &	jacobianMatrix,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

protectedvirtual

Gives the jacobian matrix at the local coordinates.

Parameters

jacobianMatrix	The requested matrix.
lcoords	Local coordinates.
cellgeo	Element geometry.

Reimplemented from oofem::FEInterpolation.

Definition at line 105 of file fei3dtrlin.C.

References OOFEM_ERROR.

virtual int oofem::FEI3dTrLin::giveNumberOfEdges ( ) const

inlinevirtual

Returns number of edges.

Reimplemented from oofem::FEInterpolation.

Definition at line 80 of file fei3dtrlin.h.

virtual int oofem::FEI3dTrLin::giveNumberOfNodes ( ) const

inlinevirtual

Returns the number of geometric nodes of the receiver.

Reimplemented from oofem::FEInterpolation.

Definition at line 99 of file fei3dtrlin.h.

int oofem::FEI3dTrLin::global2local	(	FloatArray &	answer,
		const FloatArray &	gcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates local coordinates from given global ones.

If local coordinates cannot be found (generate elements, or point far outside geometry, then the center coordinate will be used as a last resort, and the return value will be zero.

Parameters

answer	Contains evaluated local coordinates.
gcoords	Array containing global coordinates.
cellgeo	Underlying cell geometry.

Returns: Nonzero is returned if point is within the element geometry, zero otherwise.

Implements oofem::FEInterpolation.

Definition at line 96 of file fei3dtrlin.C.

References OOFEM_ERROR.

void oofem::FEI3dTrLin::local2global	(	FloatArray &	answer,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates global coordinates from given local ones.

Parameters

answer	Contains resulting global coordinates.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Implements oofem::FEInterpolation.

Definition at line 84 of file fei3dtrlin.C.

References oofem::FloatArray::add(), oofem::FloatArray::at(), evalN(), oofem::FEICellGeometry::giveVertexCoordinates(), and oofem::FloatArray::resize().

void oofem::FEI3dTrLin::surfaceEvalBaseVectorsAt	(	FloatArray &	G1,
		FloatArray &	G2,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

Definition at line 239 of file fei3dtrlin.C.

References oofem::FloatArray::add(), oofem::FEICellGeometry::giveVertexCoordinates(), oofem::FloatArray::resize(), and surfaceEvaldNdxi().

Referenced by surfaceEvalNormal(), and surfaceGiveJacobianMatrixAt().

void oofem::FEI3dTrLin::surfaceEvaldNdx	(	FloatMatrix &	answer,
		int	isurf,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the matrix of derivatives of edge interpolation functions (shape functions) at given point.

These derivatives are in global coordinate system (where the nodal coordinates are defined).

Parameters

answer	Contains resulting matrix of derivatives, the member at i,j position contains value of dNj/dxi.
isurf	Determines the surface number.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Todo:: Implement this

Reimplemented from oofem::FEInterpolation3d.

Definition at line 232 of file fei3dtrlin.C.

References OOFEM_ERROR.

void oofem::FEI3dTrLin::surfaceEvaldNdxi	(	FloatMatrix &	answer,
		const FloatArray &	lcoords
	)

Definition at line 201 of file fei3dtrlin.C.

References oofem::FloatArray::at(), oofem::FloatMatrix::at(), giveDerivativeEta(), giveDerivativeXi(), and oofem::FloatMatrix::resize().

Referenced by evaldNdxi(), and surfaceEvalBaseVectorsAt().

void oofem::FEI3dTrLin::surfaceEvalN	(	FloatArray &	answer,
		int	isurf,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the array of edge interpolation functions (shape functions) at given point.

Parameters

answer	Contains resulting array of evaluated interpolation functions.
isurf	Surface number.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Implements oofem::FEInterpolation3d.

Definition at line 192 of file fei3dtrlin.C.

References oofem::FloatArray::at(), and oofem::FloatArray::resize().

Referenced by evalN(), and surfaceLocal2global().

double oofem::FEI3dTrLin::surfaceEvalNormal	(	FloatArray &	answer,
		int	isurf,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the normal out of the surface at given point.

Parameters

answer	Contains resulting normal vector.
isurf	Determines the surface number.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Returns: Surface mapping jacobian.

Reimplemented from oofem::FEInterpolation3d.

Definition at line 254 of file fei3dtrlin.C.

References oofem::FloatArray::beVectorProductOf(), oofem::FloatArray::computeNorm(), surfaceEvalBaseVectorsAt(), and oofem::FloatArray::times().

void oofem::FEI3dTrLin::surfaceGiveJacobianMatrixAt	(	FloatMatrix &	jacobianMatrix,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Definition at line 265 of file fei3dtrlin.C.

References oofem::FloatArray::at(), oofem::FloatMatrix::at(), oofem::FloatArray::beVectorProductOf(), oofem::FloatMatrix::resize(), and surfaceEvalBaseVectorsAt().

double oofem::FEI3dTrLin::surfaceGiveTransformationJacobian	(	int	isurf,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates the edge jacobian of transformation between local and global coordinates.

Parameters

isurf	Determines the surface number.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Returns: Determinant of the transformation.

Implements oofem::FEInterpolation3d.

Definition at line 286 of file fei3dtrlin.C.

References OOFEM_ERROR.

void oofem::FEI3dTrLin::surfaceLocal2global	(	FloatArray &	answer,
		int	isurf,
		const FloatArray &	lcoords,
		const FEICellGeometry &	cellgeo
	)

virtual

Evaluates edge global coordinates from given local ones.

These derivatives are in global coordinate system (where the nodal coordinates are defined).

Parameters

answer	Contains resulting global coordinates.
isurf	Determines the surface number.
lcoords	Array containing (local) coordinates.
cellgeo	Underlying cell geometry.

Implements oofem::FEInterpolation3d.

Definition at line 218 of file fei3dtrlin.C.

References oofem::FloatArray::add(), oofem::FloatArray::giveSize(), oofem::FEICellGeometry::giveVertexCoordinates(), N, oofem::FloatArray::resize(), and surfaceEvalN().

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

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation