Face intersection class. More...

Collaboration diagram for faceAreaIntersect:

Public Types
enum	triangulationMode { tmFan, tmMesh }

Public Member Functions
	faceAreaIntersect (const pointField &pointsA, const pointField &pointsB, const bool reverseB=false)
	Construct from components. More...

scalar	calc (const face &faceA, const face &faceB, const vector &n, const triangulationMode &triMode)
	Return area of intersection of faceA with faceB. More...

Static Public Member Functions
static scalar &	tolerance ()
	Fraction of local length scale to use as intersection tolerance. More...

Static Public Attributes
static const NamedEnum< triangulationMode, 2 >	triangulationModeNames_

Private Member Functions
triPoints	getTriPoints (const pointField &points, const face &f, const bool reverse) const
	Get triPoints from face. More...

void	setTriPoints (const point &a, const point &b, const point &c, label &count, FixedList< triPoints, 10 > &tris) const
	Set triPoints into tri list. More...

void	triangleFan (const face &f, DynamicList< face > &faces) const
	Decompose face into triangle fan. More...

point	planeIntersection (const FixedList< scalar, 3 > &d, const triPoints &t, const label negI, const label posI) const
	Return point of intersection between plane and triangle edge. More...

scalar	triArea (const triPoints &t) const
	Return triangle area. More...

void	triSliceWithPlane (const triPoints &tri, const plane &p, FixedList< triPoints, 10 > &tris, label &nTris, const scalar len)
	Slice triangle with plane and generate new cut sub-triangles. More...

scalar	triangleIntersect (const triPoints &src, const triPoints &tgt, const vector &n)
	Return area of intersection of triangles src and tgt. More...

Private Attributes
const pointField &	pointsA_
	Reference to the points of sideA. More...

const pointField &	pointsB_
	Reference to the points of sideB. More...

const bool	reverseB_
	Flag to reverse B faces. More...

Static Private Attributes
static scalar	tol = 1e-6

Detailed Description

Face intersection class.

- calculates intersection area by sub-dividing face into triangles and cutting

Source files

Definition at line 55 of file faceAreaIntersect.H.

Member Enumeration Documentation

◆ triangulationMode

enum triangulationMode

Enumerator
tmFan
tmMesh

Definition at line 59 of file faceAreaIntersect.H.

Constructor & Destructor Documentation

◆ faceAreaIntersect()

faceAreaIntersect	(	const pointField &	pointsA,
		const pointField &	pointsB,
		const bool	reverseB = `false`
	)

Construct from components.

Definition at line 314 of file faceAreaIntersect.C.

Member Function Documentation

◆ getTriPoints()

Foam::triPoints getTriPoints	(	const pointField &	points,
		const face &	f,
		const bool	reverse
	)		const

inlineprivate

Get triPoints from face.

Definition at line 45 of file faceAreaIntersectI.H.

References f(), points, and Foam::reverse().

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◆ setTriPoints()

void setTriPoints	(	const point &	a,
		const point &	b,
		const point &	c,
		label &	count,
		FixedList< triPoints, 10 > &	tris
	)		const

inlineprivate

Set triPoints into tri list.

Definition at line 29 of file faceAreaIntersectI.H.

References Foam::constant::physicoChemical::b, Foam::constant::universal::c, and tp().

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◆ triangleFan()

void triangleFan	(	const face &	f,
		DynamicList< face > &	faces
	)		const

inlineprivate

Decompose face into triangle fan.

Definition at line 71 of file faceAreaIntersectI.H.

References DynamicList::append(), and f().

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◆ planeIntersection()

Foam::point planeIntersection	(	const FixedList< scalar, 3 > &	d,
		const triPoints &	t,
		const label	negI,
		const label	posI
	)		const

inlineprivate

Return point of intersection between plane and triangle edge.

Definition at line 94 of file faceAreaIntersectI.H.

◆ triArea()

Foam::scalar triArea ( const triPoints & t ) const

inlineprivate

Return triangle area.

Definition at line 105 of file faceAreaIntersectI.H.

References Foam::mag().

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◆ triSliceWithPlane()

void triSliceWithPlane	(	const triPoints &	tri,
		const plane &	p,
		FixedList< triPoints, 10 > &	tris,
		label &	nTris,
		const scalar	len
	)

private

Slice triangle with plane and generate new cut sub-triangles.

Definition at line 48 of file faceAreaIntersect.C.

References FixedList::fcIndex(), forAll, Foam::mag(), and p.

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◆ triangleIntersect()

Foam::scalar triangleIntersect	(	const triPoints &	src,
		const triPoints &	tgt,
		const vector &	n
	)

private

Return area of intersection of triangles src and tgt.

Definition at line 223 of file faceAreaIntersect.C.

References Foam::mag(), n, s(), and Foam::sqrt().

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◆ tolerance()

Foam::scalar & tolerance ( )

inlinestatic

Fraction of local length scale to use as intersection tolerance.

Definition at line 113 of file faceAreaIntersectI.H.

◆ calc()

Foam::scalar calc	(	const face &	faceA,
		const face &	faceB,
		const vector &	n,
		const triangulationMode &	triMode
	)

Return area of intersection of faceA with faceB.

Definition at line 329 of file faceAreaIntersect.C.

References Foam::abort(), Foam::FatalError, FatalErrorInFunction, forAll, n, and face::triangles().

Referenced by faceAreaWeightAMI< SourcePatch, TargetPatch >::interArea().

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Field Documentation

◆ triangulationModeNames_

const Foam::NamedEnum< Foam::faceAreaIntersect::triangulationMode, 2 > triangulationModeNames_

static

Definition at line 65 of file faceAreaIntersect.H.

◆ pointsA_

const pointField& pointsA_

private

Reference to the points of sideA.

Definition at line 73 of file faceAreaIntersect.H.

◆ pointsB_

const pointField& pointsB_

private

Reference to the points of sideB.

Definition at line 76 of file faceAreaIntersect.H.

◆ reverseB_

const bool reverseB_

private

Flag to reverse B faces.

Definition at line 79 of file faceAreaIntersect.H.

◆ tol

Foam::scalar tol = 1e-6

staticprivate

Definition at line 84 of file faceAreaIntersect.H.

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

src/meshTools/AMIInterpolation/faceAreaIntersect/faceAreaIntersect.H
src/meshTools/AMIInterpolation/faceAreaIntersect/faceAreaIntersect.C
src/meshTools/AMIInterpolation/faceAreaIntersect/faceAreaIntersectI.H

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Enumeration Documentation

◆ triangulationMode

Constructor & Destructor Documentation

◆ faceAreaIntersect()

Member Function Documentation

◆ getTriPoints()

◆ setTriPoints()

◆ triangleFan()

◆ planeIntersection()

◆ triArea()

◆ triSliceWithPlane()

◆ triangleIntersect()

◆ tolerance()

◆ calc()

Field Documentation

◆ triangulationModeNames_

◆ pointsA_

◆ pointsB_

◆ reverseB_

◆ tol