oft_mesh_t3d Module Reference

Detailed Description

Mesh handling for T3D meshes.

Functions to read in, intialize and refine T3D based geometry

• Mesh file read-in
• CAD file read-in
• Boundary point location and refinement

Authors

George Marklin and Chris Hansen

Date

April 2008 - Present

Data Types
type	t3d_cad
	T3D raw CAD structure. More...
type	t3d_cadgeom
	T3D CAD boundary structure. More...
type	t3d_cadlink
	T3D CAD linkage structure. More...

Functions/Subroutines
subroutine, public	mesh_t3d_add_quad (mg_mesh)
	Add quadratic mesh node points using CAD model.
subroutine	mesh_t3d_cadconv
	Convert T3D CAD representation to code represenation.
subroutine, public	mesh_t3d_cadlink (mesh)
	Link T3D CAD objects to mesh entities for use in refinement.
subroutine, public	mesh_t3d_cadsync (mg_mesh)
	Synchronize T3D geometry information.
subroutine	mesh_t3d_geom
	Read in T3D geometry information from file 'inpname'.
subroutine, public	mesh_t3d_load (mg_mesh)
	Read in t3d mesh file from file "filename".
subroutine, public	mesh_t3d_reffix (mg_mesh)
	Adjust boundary points to CAD boundary.
subroutine	mesh_t3d_reflect (mesh, k, tol, per_flag)
	Reflect a T3D mesh and CAD model across a plane.
subroutine, public	mesh_t3d_set_periodic (mesh)
	Needs docs.
subroutine	mesh_t3d_surfconst (si, surf)
	Construct CAD surface object.
subroutine, public	smesh_t3d_load (mg_mesh)
	Read in t3d mesh file from file "filename".

Variables
type(t3d_cadlink), pointer	cad_link => NULL()
	Linkage of mesh to CAD geometry.
type(t3d_cadgeom), pointer	cad_rep => NULL()
	CAD representation.
type(t3d_cad)	cad_tmp
	Raw CAD information from "inpname".
character(len=oft_path_slen)	filename = 'none'
	Name of T3D input file for mesh.
character(len=oft_path_slen)	inpname = 'none'
	Name of T3D input file for geometry (Used to retrieve CAD objects).
integer(i4), parameter, public	mesh_t3d_id = 1
type(t3d_cadlink), dimension(:), pointer	ml_cad_link => NULL()
	ML CAD linkage.
type(t3d_cadgeom), dimension(:), pointer	ml_cad_rep => NULL()
	ML CAD representation array.
logical, dimension(3)	ref_per = .FALSE.
	Character flag for periodic reflections.
character(len=3)	reflect = ''
	Character flag for mesh reflection (eg. 'xy').
real(r8)	zstretch = 1.d0
	Scale for z-coordinates (useful for cylindrical pinch studies).

Function/Subroutine Documentation

mesh_t3d_add_quad()

subroutine, public mesh_t3d_add_quad

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Add quadratic mesh node points using CAD model.

mesh_t3d_cadconv()

subroutine mesh_t3d_cadconv

private

Convert T3D CAD representation to code represenation.

• Convert CAD entities to bezier_cad objects.

mesh_t3d_cadlink()

subroutine, public mesh_t3d_cadlink

(

class(oft_mesh), intent(inout)

mesh

)

Link T3D CAD objects to mesh entities for use in refinement.

mesh_t3d_cadsync()

subroutine, public mesh_t3d_cadsync

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Synchronize T3D geometry information.

mesh_t3d_geom()

subroutine mesh_t3d_geom

private

Read in T3D geometry information from file 'inpname'.

• CAD vertices
• Weight points
• Curves
• Surfaces

Note

Limited to quadratic curves and dual quadratic surfaces. Cubic curves and surfaces are not implemented at this time.

mesh_t3d_load()

subroutine, public mesh_t3d_load

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Read in t3d mesh file from file "filename".

• Read in T3D options from input file
• Read in mesh points and cells
• Read in surface IDs for CAD edges and faces

mesh_t3d_reffix()

subroutine, public mesh_t3d_reffix

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Adjust boundary points to CAD boundary.

mesh_t3d_reflect()

subroutine mesh_t3d_reflect ( class(oft_mesh), intent(inout) mesh, integer(i4), intent(in) k, real(r8), intent(in) tol, logical, intent(in) per_flag )

private

Reflect a T3D mesh and CAD model across a plane.

Parameters

[in]	k	Index of plane normal coordinate ( eg. 1 -> y-z plane )
[in]	tol	Tolerance for marking point as on the reflection plane
[in]	per_flag	Flag for periodicity

mesh_t3d_set_periodic()

subroutine, public mesh_t3d_set_periodic

(

class(oft_mesh), intent(inout)

mesh

)

Needs docs.

mesh_t3d_surfconst()

subroutine mesh_t3d_surfconst ( integer(i4), intent(in) si, type(cad_surf), intent(out) surf )

private

Construct CAD surface object.

Parameters

[in]	si	Index of CAD surface to use as source
[out]	surf	Surface object

smesh_t3d_load()

subroutine, public smesh_t3d_load

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Read in t3d mesh file from file "filename".

• Read in T3D options from input file
• Read in mesh points and cells
• Read in surface IDs for CAD edges and faces

Variable Documentation

cad_link

type(t3d_cadlink), pointer cad_link => NULL()

private

Linkage of mesh to CAD geometry.

cad_rep

type(t3d_cadgeom), pointer cad_rep => NULL()

private

CAD representation.

cad_tmp

type(t3d_cad) cad_tmp

private

Raw CAD information from "inpname".

filename

character(len=oft_path_slen) filename = 'none'

private

Name of T3D input file for mesh.

inpname

character(len=oft_path_slen) inpname = 'none'

private

Name of T3D input file for geometry (Used to retrieve CAD objects).

mesh_t3d_id

integer(i4), parameter, public mesh_t3d_id = 1

ml_cad_link

type(t3d_cadlink), dimension(:), pointer ml_cad_link => NULL()

private

ML CAD linkage.

ml_cad_rep

type(t3d_cadgeom), dimension(:), pointer ml_cad_rep => NULL()

private

ML CAD representation array.

ref_per

logical, dimension(3) ref_per = .FALSE.

private

Character flag for periodic reflections.

reflect

character(len=3) reflect = ''

private

Character flag for mesh reflection (eg. 'xy').

zstretch

real(r8) zstretch = 1.d0

private

Scale for z-coordinates (useful for cylindrical pinch studies).