Field Class Reference

Interface class for scalar fields. More...

#include <Field.h>

Inheritance diagram for Field:

Collaboration diagram for Field:

Public Member Functions
virtual	~Field ()
	Empty destructor.
const char *	getFieldName () const
	Returns the name of field.
virtual double	valueNode (size_t node) const =0
	Computes the value in a given node/control point.
virtual double	valueFE (const ItgPoint &x) const =0
	Computes the value at a given local coordinate.
virtual double	valueCoor (const Vec4 &x) const
	Computes the value at a given global coordinate.
virtual bool	valueGrid (RealArray &val, const int *npe) const
	Computes the value at a grid of visualization points.
virtual bool	gradFE (const ItgPoint &x, Vector &grad) const =0
	Computes the gradient for a given local coordinate.
virtual bool	gradCoor (const Vec4 &x, Vector &grad) const
	Computes the gradient for a given global/physical coordinate.
virtual bool	hessianFE (const ItgPoint &x, Matrix &H) const
	Computes the hessian for a given local coordinate.

Static Public Member Functions
static Field *	create (const ASMbase *pch, const RealArray &v, char basis=1, char cmp=1, const char *name=nullptr)
	Creates a dynamically allocated field object.

Protected Member Functions
	Field (const char *name=nullptr)
	The constructor sets the field name.

Protected Attributes
std::string	fname
	Name of the field.

Detailed Description

Interface class for scalar fields.

Constructor & Destructor Documentation

Field()

Field::Field ( const char *  name = nullptr )

inlineexplicitprotected

The constructor sets the field name.

Parameters

[in]

name

Optional name of field

References fname.

Member Function Documentation

create()

Field * Field::create ( const ASMbase *  pch, const RealArray &  v, char  basis = 1, char  cmp = 1, const char *  name = nullptr  )

static

Creates a dynamically allocated field object.

Parameters

[in]	pch	The spline patch on which the field is to be defined on
[in]	v	Array of nodal/control point field values
[in]	basis	Basis to use from patch
[in]	cmp	Component to use for field
[in]	name	Name of field

Referenced by FieldFuncScalarBase::addPatchField(), SIMdependency::extractPatchDependencies(), and FieldFuncStream::FieldFuncStream().

gradCoor()

virtual bool Field::gradCoor ( const Vec4 &  x, Vector &  grad  ) const

inlinevirtual

Computes the gradient for a given global/physical coordinate.

Parameters

[in]	x	Global/physical coordinate for point
[out]	grad	Gradient of solution in a given global coordinate

gradFE()

virtual bool Field::gradFE ( const ItgPoint &  x, Vector &  grad  ) const

pure virtual

Computes the gradient for a given local coordinate.

Parameters

[in]	x	Local coordinate of evaluation point
[out]	grad	Gradient of solution in a given local coordinate

Implemented in LagrangeField3D, LRSplineField2D, LRSplineField3D, SplineField2D, SplineField3D, and LagrangeField2D.

hessianFE()

virtual bool Field::hessianFE ( const ItgPoint &  x, Matrix &  H  ) const

inlinevirtual

Computes the hessian for a given local coordinate.

Parameters

[in]	x	Local coordinate of evaluation point
[out]	H	Hessian of solution in a given local coordinate

Reimplemented in LRSplineField2D, LRSplineField3D, SplineField2D, and SplineField3D.

valueCoor()

virtual double Field::valueCoor ( const Vec4 &  x ) const

inlinevirtual

Computes the value at a given global coordinate.

Parameters

[in]

x

Global/physical coordinate for point

Reimplemented in LRSplineField2D, LRSplineField3D, SplineField2D, and SplineField3D.

valueFE()

virtual double Field::valueFE ( const ItgPoint &  x ) const

pure virtual

Computes the value at a given local coordinate.

Parameters

[in]

x

Local coordinate of evaluation point

Implemented in LagrangeField3D, LRSplineField2D, LRSplineField3D, SplineField2D, SplineField3D, and LagrangeField2D.

Referenced by ASMs2D::evaluate(), and ASMs3D::evaluate().

valueGrid()

virtual bool Field::valueGrid ( RealArray &  val, const int *  npe  ) const

inlinevirtual

Computes the value at a grid of visualization points.

Parameters

[out]	val	Field values at the visualization points
[in]	npe	Number of visualization nodes over each knot span

Reimplemented in SplineField2D, and SplineField3D.

valueNode()

virtual double Field::valueNode ( size_t  node ) const

pure virtual

Computes the value in a given node/control point.

Parameters

[in]

node

1-based node/control point index

Implemented in LagrangeField3D, LRSplineField2D, LRSplineField3D, SplineField2D, SplineField3D, and LagrangeField2D.

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

• /home/runner/work/IFEM-2/IFEM-2/src/ASM/Field.h
• /home/runner/work/IFEM-2/IFEM-2/src/ASM/Field.C