oft_mesh_cubit Module Reference

Detailed Description

Mesh handling for CUBIT meshes.

Author

Chris Hansen

Date

July 2012

Data Types
type	exodus_cadlink
	T3D CAD linkage structure. More...
type	exodus_curve
	T3D CAD boundary structure. More...
type	exodus_surf
	T3D CAD boundary structure. More...

Functions/Subroutines
subroutine, public	cubit_finalize_setup
	Finalize setup/load-in of CUBIT mesh and destroy temporaries created for grid construction (eg. high-order input nodes, in-memory data)
subroutine	cubit_ho_tor (pts, wts, n, rmin, pt)
subroutine, public	cubit_read_nodesets (nsets, cubit_filename)
	Needs Docs.
subroutine, public	cubit_read_sidesets (ssets, cubit_filename)
	Needs Docs.
subroutine, public	mesh_cubit_add_quad (mg_mesh)
	Add quadratic mesh node points using CAD model.
subroutine, public	mesh_cubit_cadlink (mesh)
	Link OpenNURBS CAD objects to Exodus mesh entities for use in refinement.
subroutine	mesh_cubit_error (status)
	Catch NETCDF errors.
subroutine	mesh_cubit_geom
	Load and initialize OpenNURBS geometry for current Exodus mesh.
subroutine, public	mesh_cubit_hobase (self)
	Add quadratic mesh node points from high order import.
subroutine	mesh_cubit_hobase_hex (self)
	Add quadratic mesh node points from HEX27 import.
subroutine	mesh_cubit_hobase_quad (self)
	Add quadratic mesh node points from QUAD9 import.
subroutine	mesh_cubit_hobase_tet (self)
	Add quadratic mesh node points from TETRA10 import.
subroutine	mesh_cubit_hobase_tri (self)
	Add quadratic mesh node points from TRI6 import.
subroutine, public	mesh_cubit_load (mg_mesh)
	Read in Exodus mesh and geometry information.
subroutine	mesh_cubit_read_surface
	Read in Exodus surface mesh.
subroutine, public	mesh_cubit_reffix (mg_mesh)
	Adjust points to CAD boundary and propogate CAD linkage.
subroutine	mesh_cubit_reflect (mesh, tol)
	Reflect an exodus mesh and CAD model across the xy-plane.
subroutine, public	mesh_cubit_set_periodic (mesh)
	Needs docs.
subroutine, public	mesh_cubit_test_edge (i)
	Add quadratic mesh node points using CAD model.
subroutine, public	smesh_cubit_load (mg_mesh)
	Needs Docs.

Variables
type(exodus_cadlink), pointer	cad_link => NULL()
	Linkage of mesh to CAD geometry.
integer(i4), parameter	cubit_soffset =1E4
real(r4)	cubit_version = 0.
integer(i4), parameter	ex_topc_len =5
integer(i4), parameter	ex_tops_len =5
integer(i4), dimension(2, 12), parameter	exodus_hex_emap = RESHAPE((/1,2, 2,3, 3,4, 1,4, 1,5, 2,6, 3,7, 4,8, 5,6, 6,7, 7,8, 5,8/), (/2,12/))
integer(i4), dimension(4, 6), parameter	exodus_hex_fmap = RESHAPE((/1,2,3,4, 5,6,7,8, 1,4,8,5, 2,3,7,6, 1,2,6,5, 3,4,8,7/), (/4,6/))
integer(i4), dimension(2, 4), parameter	exodus_quad_emap = RESHAPE([1,2, 2,3, 3,4, 4,1], [2,4])
integer(i4), parameter	exodus_string_len =33
integer(i4), dimension(2, 6), parameter	exodus_tet_emap = RESHAPE((/1,2, 2,3, 3,1, 1,4, 2,4, 3,4/), (/2,6/))
integer(i4), dimension(2, 3), parameter	exodus_tri_emap = RESHAPE([1,2, 2,3, 3,1], [2,3])
character(len=oft_path_slen)	filename = 'none'
	Name of Cubit input file for mesh.
logical	have_ho = .FALSE.
character(len=oft_path_slen), public	inpname = 'none'
	Name of Cubit input file for geometry (Used to retrieve CAD objects)
integer(i4), dimension(:,:), allocatable	lc_ho
logical	lf_file = .TRUE.
	Large format file flag.
integer(i4), parameter, public	mesh_cubit_id = 2
type(exodus_cadlink), dimension(:), pointer	ml_cad_link => NULL()
	ML CAD linkage.
type(exodus_curve), dimension(:), pointer	model_curves => NULL()
	List of model curves.
type(exodus_surf), dimension(:), pointer	model_surfaces => NULL()
	List of model surfaces.
integer(i4)	nblks = 0
integer(i4)	ncid = 0
integer(i4)	ngmc = 0
	Number of geometry model curves.
integer(i4)	ngms = 0
	Number of geometry model surfaces.
integer(i4)	ngwc = 0
	Number of geometry wireframe curves.
integer(i4)	ngws = 0
	Number of geometry wireframe surfaces.
integer(i4)	np_ho = 0
integer(i4)	np_per = 0
integer(i4)	nregions = 0
integer(i4), dimension(:), allocatable	per_nodes
integer(i4)	per_ns = -1
	Integer index of periodic nodeset.
real(r8), dimension(:,:), allocatable	r_ho
logical	reflect = .FALSE.
	Logical flag for mesh reflection (z-direction)
logical	tor_mesh = .FALSE.
	Curve grid to toroidal shaping.
real(r8)	tor_rmin = 0.d0
type(nurbs_curve), dimension(:), pointer	wf_curves => NULL()
	List of CAD wireframe curves.
type(nurbs_surf), dimension(:), pointer	wf_surfs => NULL()
	List of CAD wireframe surfaces.
real(r8)	zstretch = 1.d0
	Scale for z-coordinates (useful for cylindrical pinch studies)

Function/Subroutine Documentation

cubit_finalize_setup()

subroutine, public cubit_finalize_setup

Finalize setup/load-in of CUBIT mesh and destroy temporaries created for grid construction (eg. high-order input nodes, in-memory data)

cubit_ho_tor()

subroutine cubit_ho_tor ( real(r8), dimension(3,n), intent(in)  pts, real(r8), dimension(n), intent(in)  wts, integer(i4), intent(in)  n, real(r8), intent(in)  rmin, real(r8), dimension(3), intent(inout)  pt  )

private

cubit_read_nodesets()

subroutine, public cubit_read_nodesets	(	type(oft_1d_int), dimension(:), intent(inout), pointer	nsets,
		character(len=oft_path_slen), intent(in), optional	cubit_filename
	)

Needs Docs.

cubit_read_sidesets()

subroutine, public cubit_read_sidesets	(	type(oft_1d_int), dimension(:), intent(inout), pointer	ssets,
		character(len=oft_path_slen), intent(in), optional	cubit_filename
	)

Needs Docs.

mesh_cubit_add_quad()

subroutine, public mesh_cubit_add_quad

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Add quadratic mesh node points using CAD model.

mesh_cubit_cadlink()

subroutine, public mesh_cubit_cadlink

(

class(oft_amesh), intent(inout)

mesh

)

Link OpenNURBS CAD objects to Exodus mesh entities for use in refinement.

• Map Exodus surface mesh to CAD objects using name attributes

mesh_cubit_error()

subroutine mesh_cubit_error ( integer(i4), intent(in)  status )

private

Catch NETCDF errors.

mesh_cubit_geom()

subroutine mesh_cubit_geom

private

Load and initialize OpenNURBS geometry for current Exodus mesh.

• Initialize OpenNURBS library
• Construct FORTRAN objects for each CAD object

mesh_cubit_hobase()

subroutine, public mesh_cubit_hobase

(

class(oft_amesh), intent(inout)

self

)

Add quadratic mesh node points from high order import.

mesh_cubit_hobase_hex()

subroutine mesh_cubit_hobase_hex ( class(oft_mesh), intent(inout)  self )

private

Add quadratic mesh node points from HEX27 import.

mesh_cubit_hobase_quad()

subroutine mesh_cubit_hobase_quad ( class(oft_bmesh), intent(inout)  self )

private

Add quadratic mesh node points from QUAD9 import.

mesh_cubit_hobase_tet()

subroutine mesh_cubit_hobase_tet ( class(oft_mesh), intent(inout)  self )

private

Add quadratic mesh node points from TETRA10 import.

mesh_cubit_hobase_tri()

subroutine mesh_cubit_hobase_tri ( class(oft_bmesh), intent(inout)  self )

private

Add quadratic mesh node points from TRI6 import.

mesh_cubit_load()

subroutine, public mesh_cubit_load

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Read in Exodus mesh and geometry information.

• Read in Cubit options from input file
• Read in mesh points and cells
• Read in surface mesh
• Load and initialize OpenNURBS CAD representation

mesh_cubit_read_surface()

subroutine mesh_cubit_read_surface

private

Read in Exodus surface mesh.

• Surface mesh used for indexing CAD geometry

mesh_cubit_reffix()

subroutine, public mesh_cubit_reffix

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Adjust points to CAD boundary and propogate CAD linkage.

mesh_cubit_reflect()

subroutine mesh_cubit_reflect ( class(oft_amesh), intent(inout)  mesh, real(r8), intent(in)  tol  )

private

Reflect an exodus mesh and CAD model across the xy-plane.

Parameters

[in,out]	mesh	Mesh to reflect
[in]	tol	Tolerance for marking point as on the reflection plane

mesh_cubit_set_periodic()

subroutine, public mesh_cubit_set_periodic

(

class(oft_mesh), intent(inout)

mesh

)

Needs docs.

mesh_cubit_test_edge()

subroutine, public mesh_cubit_test_edge

(

integer(i4), intent(in)

i

)

Add quadratic mesh node points using CAD model.

smesh_cubit_load()

subroutine, public smesh_cubit_load

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Needs Docs.

Variable Documentation

cad_link

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

private

Linkage of mesh to CAD geometry.

cubit_soffset

integer(i4), parameter cubit_soffset =1E4

private

cubit_version

real(r4) cubit_version = 0.

private

ex_topc_len

integer(i4), parameter ex_topc_len =5

private

ex_tops_len

integer(i4), parameter ex_tops_len =5

private

exodus_hex_emap

integer(i4), dimension(2,12), parameter exodus_hex_emap = RESHAPE((/1,2, 2,3, 3,4, 1,4, 1,5, 2,6, 3,7, 4,8, 5,6, 6,7, 7,8, 5,8/), (/2,12/))

private

exodus_hex_fmap

integer(i4), dimension(4,6), parameter exodus_hex_fmap = RESHAPE((/1,2,3,4, 5,6,7,8, 1,4,8,5, 2,3,7,6, 1,2,6,5, 3,4,8,7/), (/4,6/))

private

exodus_quad_emap

integer(i4), dimension(2,4), parameter exodus_quad_emap = RESHAPE([1,2, 2,3, 3,4, 4,1], [2,4])

private

exodus_string_len

integer(i4), parameter exodus_string_len =33

private

exodus_tet_emap

integer(i4), dimension(2,6), parameter exodus_tet_emap = RESHAPE((/1,2, 2,3, 3,1, 1,4, 2,4, 3,4/), (/2,6/))

private

exodus_tri_emap

integer(i4), dimension(2,3), parameter exodus_tri_emap = RESHAPE([1,2, 2,3, 3,1], [2,3])

private

filename

character(len=oft_path_slen) filename = 'none'

private

Name of Cubit input file for mesh.

have_ho

logical have_ho = .FALSE.

private

inpname

character(len=oft_path_slen), public inpname = 'none'

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

lc_ho

integer(i4), dimension(:,:), allocatable lc_ho

private

lf_file

logical lf_file = .TRUE.

private

Large format file flag.

mesh_cubit_id

integer(i4), parameter, public mesh_cubit_id = 2

ml_cad_link

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

private

ML CAD linkage.

model_curves

type(exodus_curve), dimension(:), pointer model_curves => NULL()

private

List of model curves.

model_surfaces

type(exodus_surf), dimension(:), pointer model_surfaces => NULL()

private

List of model surfaces.

nblks

integer(i4) nblks = 0

private

ncid

integer(i4) ncid = 0

private

ngmc

integer(i4) ngmc = 0

private

Number of geometry model curves.

ngms

integer(i4) ngms = 0

private

Number of geometry model surfaces.

ngwc

integer(i4) ngwc = 0

private

Number of geometry wireframe curves.

ngws

integer(i4) ngws = 0

private

Number of geometry wireframe surfaces.

np_ho

integer(i4) np_ho = 0

private

np_per

integer(i4) np_per = 0

private

nregions

integer(i4) nregions = 0

private

per_nodes

integer(i4), dimension(:), allocatable per_nodes

private

per_ns

integer(i4) per_ns = -1

private

Integer index of periodic nodeset.

r_ho

real(r8), dimension(:,:), allocatable r_ho

private

reflect

logical reflect = .FALSE.

private

Logical flag for mesh reflection (z-direction)

tor_mesh

logical tor_mesh = .FALSE.

private

Curve grid to toroidal shaping.

tor_rmin

real(r8) tor_rmin = 0.d0

private

wf_curves

type(nurbs_curve), dimension(:), pointer wf_curves => NULL()

private

List of CAD wireframe curves.

wf_surfs

type(nurbs_surf), dimension(:), pointer wf_surfs => NULL()

private

List of CAD wireframe surfaces.

zstretch

real(r8) zstretch = 1.d0

private

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