Detailed Description

CAD surface class.

Inheritance diagram for nurbs_surf:

Public Member Functions
procedure(nurbs_dummy_eval), deferred	eval (self, pt, u, v)
	Parametric point evaluation.
procedure	eval (self, pt, u, v)
	Parametric point evaluation.
procedure(nurbs_dummy_grid), deferred	grid (self)
	Physical point location.
procedure	grid (self)
	Generate grid over surface domain.
procedure(nurbs_dummy_find), deferred	locate (self, pt, u, v, ierr)
	Physical point location.
procedure	locate (self, pt, u, v, ierr)
	Physical point location.
procedure(nurbs_dummy_unwrap), deferred	unwrap (self, u1, u2, v1, v2)
	Parametric point evaluation.
procedure	unwrap (self, u1, u2, v1, v2)
	Parametric point evaluation.
procedure(nurbs_dummy_wrap), deferred	wrap (self, u, v)
	Parametric point evaluation.
procedure	wrap (self, u, v)
	Physical point location.

Public Attributes
real(r8), dimension(3)	coord_scales = 1.d0
	Scaling for each coordinate.
real(r8), dimension(2, 2)	domain
	Extent in parametric domain.
integer(i4)	id
	Input ID of CAD object.
integer(i4), dimension(2)	nspan
	Size of span vectors.
logical, dimension(2)	periodic = .FALSE.
	Surface is periodic.
logical	planar = .FALSE.
	Surface is flat.
integer(i4)	reflect = -1
	Index to reflect.
real(r8), dimension(3, nurbs_ngrid, nurbs_ngrid)	rgrid
	Object mesh.
integer(i4)	sid
	Surface ID in OFT indexing.
logical, dimension(2, 2)	singular = .FALSE.
	Surface edge is singular.
real(r8), dimension(:), pointer	span1
	Currently unused.
real(r8), dimension(:), pointer	span2
	Currently unused.

Member Function/Subroutine Documentation

◆ eval() [1/2]

procedure(nurbs_dummy_eval), deferred eval	(	class(nurbs_entity), intent(in)	self,
		real(r8), dimension(3), intent(out)	pt,
		real(r8), intent(in)	u,
		real(r8), intent(in)	v )

pure virtualinherited

Parametric point evaluation.

Parameters

[in]	self	NURBS object
[out]	pt	Evaluated position [3]
[in]	u	Parametric coordinate 1
[in]	v	Parametric coordinate 2 (unused if curve)

◆ eval() [2/2]

procedure eval	(	class(nurbs_surf), intent(in)	self,
		real(r8), dimension(3), intent(out)	pt,
		real(r8), intent(in)	u,
		real(r8), intent(in)	v )

Parametric point evaluation.

(u,v) -> (x,y,z)
Parameters

[in] self Surface object

[out] pt Physical position [3]

[in] u Parametric coordinate 1

[in] v Parametric coordinate 2

◆ grid() [1/2]

procedure(nurbs_dummy_grid), deferred grid ( class(nurbs_entity), intent(inout) self )

pure virtualinherited

Physical point location.

Parameters

[in,out] self NURBS object

◆ grid() [2/2]

procedure grid ( class(nurbs_surf), intent(inout) self )

Generate grid over surface domain.

Parameters

[in,out] self Surface object

◆ locate() [1/2]

procedure(nurbs_dummy_find), deferred locate	(	class(nurbs_entity), intent(in), target	self,
		real(r8), dimension(3), intent(in)	pt,
		real(r8), intent(out)	u,
		real(r8), intent(out)	v,
		integer(i4), intent(out)	ierr )

pure virtualinherited

Physical point location.

Parameters

[in]	self	NURBS object
[in]	pt	Test position [3]
[out]	u	Parametric coordinate 1
[out]	v	Parametric coordinate 2 (unused if curve)
[out]	ierr	Error status (point not found if ierr<0)

◆ locate() [2/2]

procedure locate	(	class(nurbs_surf), intent(in), target	self,
		real(r8), dimension(3), intent(in)	pt,
		real(r8), intent(out)	u,
		real(r8), intent(out)	v,
		integer(i4), intent(out)	ierr )

Physical point location.

(x,y,z) -> (u,v)
Parameters

[in] self Surface object

[in] pt Position vector [3]

[out] u Parametric coordinate 1

[out] v Parametric coordinate 2

◆ unwrap() [1/2]

procedure(nurbs_dummy_unwrap), deferred unwrap	(	class(nurbs_entity), intent(in)	self,
		real(r8), intent(inout)	u1,
		real(r8), intent(inout)	u2,
		real(r8), intent(inout)	v1,
		real(r8), intent(inout)	v2 )

pure virtualinherited

Parametric point evaluation.

Parameters

[in]	self	NURBS object
[in,out]	u1	Parametric coordinate 1 of first point
[in,out]	u2	Parametric coordinate 2 of first point (unused if curve)
[in,out]	v1	Parametric coordinate 1 of second point
[in,out]	v2	Parametric coordinate 2 of second point (unused if curve)

◆ unwrap() [2/2]

procedure unwrap	(	class(nurbs_surf), intent(in)	self,
		real(r8), intent(inout)	u1,
		real(r8), intent(inout)	u2,
		real(r8), intent(inout)	v1,
		real(r8), intent(inout)	v2 )

Parametric point evaluation.

Example: For a periodic domain of \( [0,2 \pi] (3 \pi/4,0) -> (-\pi/4,0) \)

Parameters

[in]	self	Surface object
[in,out]	u1	Parametric coordinate 1 of first point
[in,out]	u2	Parametric coordinate 2 of first point
[in,out]	v1	Parametric coordinate 1 of second point
[in,out]	v2	Parametric coordinate 2 of second point

◆ wrap() [1/2]

procedure(nurbs_dummy_wrap), deferred wrap	(	class(nurbs_entity), intent(in)	self,
		real(r8), intent(inout)	u,
		real(r8), intent(inout)	v )

pure virtualinherited

Parametric point evaluation.

Parameters

[in]	self	NURBS object
[in,out]	u	Parametric coordinate 1
[in,out]	v	Parametric coordinate 2 (unused if curve)

◆ wrap() [2/2]

procedure wrap	(	class(nurbs_surf), intent(in)	self,
		real(r8), intent(inout)	u,
		real(r8), intent(inout)	v )

Physical point location.

Example: For a periodic domain of \( [0,2 \pi] (-\pi/4,0) -> (3 \pi/4,0) \)
Parameters

[in] self Surface object

[in,out] u Parametric coordinate 1

[in,out] v Parametric coordinate 2

Member Data Documentation

◆ coord_scales

real(r8), dimension(3) coord_scales = 1.d0

inherited

Scaling for each coordinate.

◆ domain

real(r8), dimension(2,2) domain

Extent in parametric domain.

◆ id

integer(i4) id

inherited

Input ID of CAD object.

◆ nspan

integer(i4), dimension(2) nspan

Size of span vectors.

◆ periodic

logical, dimension(2) periodic = .FALSE.

Surface is periodic.

◆ planar

logical planar = .FALSE.

Surface is flat.

◆ reflect

integer(i4) reflect = -1

inherited

Index to reflect.

◆ rgrid

real(r8), dimension(3,nurbs_ngrid,nurbs_ngrid) rgrid

Object mesh.

◆ sid

integer(i4) sid

Surface ID in OFT indexing.

◆ singular

logical, dimension(2,2) singular = .FALSE.

Surface edge is singular.

◆ span1

real(r8), dimension(:), pointer span1

Currently unused.

◆ span2

real(r8), dimension(:), pointer span2

Currently unused.

The documentation for this type was generated from the following file:

/home/runner/work/OpenFUSIONToolkit/OpenFUSIONToolkit/src/grid/nurbs_cad.F90

Detailed Description

Public Member Functions

Public Attributes

Member Function/Subroutine Documentation

◆ eval() [1/2]

◆ eval() [2/2]

◆ grid() [1/2]

◆ grid() [2/2]

◆ locate() [1/2]

◆ locate() [2/2]

◆ unwrap() [1/2]

◆ unwrap() [2/2]

◆ wrap() [1/2]

◆ wrap() [2/2]

Member Data Documentation

◆ coord_scales

◆ domain

◆ id

◆ nspan

◆ periodic

◆ planar

◆ reflect

◆ rgrid

◆ sid

◆ singular

◆ span1

◆ span2