oft_mesh_local Module Reference

Detailed Description

Local grid construction.

• Geometric link lists
• Local boundary information

Authors

George Marklin and Chris Hansen

Date

April 2008 - Present

Data Types
interface	oft_metis_partmesh
	Parition a tetrahedral mesh using METIS. More...

Functions/Subroutines
subroutine	amesh_edges (self)
	Identify global edges and link to points and cells.
subroutine	amesh_interactions (self)
	Index point to point, point to edge and edge to edge interactions.
subroutine	amesh_to_cell (self)
	Locate point, edge, face and cell neighbor cells.
subroutine	bmesh_areas (self, fn)
	Compute cell and vertex volumes, rectifying negative volume cells.
subroutine	bmesh_boundary (self)
	Locate and index boundary points, edges, faces and cells.
subroutine	bmesh_local_init (self, parent, sync_normals)
	Driver for grid construction.
subroutine	bmesh_neighbors (self)
	Locate point, edge, face and cell neighbor cells.
subroutine	mesh_boundary (self)
	Locate and index boundary points, edges, faces and cells.
subroutine	mesh_faces (self)
	Identify global faces and link to points, edges and cells.
subroutine	mesh_local_init (self)
	Driver for grid construction.
subroutine	mesh_local_partition (self, tloc_p, tloc_e, tloc_f, tloc_c, nparts)
	Perform local mesh decomposition (METIS)
subroutine	mesh_neighbors (self)
	Locate point, edge, face and cell neighbor cells.
subroutine	mesh_volumes (self)
	Compute cell and vertex volumes, rectifying negative volume cells.
subroutine	sync_face_normals (self)
	Compute cell and vertex volumes, rectifying negative volume cells.

Function/Subroutine Documentation

amesh_edges()

subroutine amesh_edges

(

class(oft_amesh), intent(inout)

self

)

Identify global edges and link to points and cells.

• le List construction
• lce List construction
• klpe, llpe Linkage construction

  Parameters

  [in,out]

  self

  Mesh object

amesh_interactions()

subroutine amesh_interactions

(

class(oft_amesh), intent(inout)

self

)

Index point to point, point to edge and edge to edge interactions.

• kpp, lpp Linkage construction
• kpe, lpe Linkage construction
• kee, lee Linkage construction

  Parameters

  [in,out]

  self

  Mesh object

amesh_to_cell()

subroutine amesh_to_cell

(

class(oft_amesh), intent(inout)

self

)

Locate point, edge, face and cell neighbor cells.

• lfc List construction
• lcc List construction
• kpc, lpc Linkage construction
• kec, lec Linkage construction

  Parameters

  [in,out]

  self

  Mesh object

bmesh_areas()

subroutine bmesh_areas	(	class(oft_bmesh), intent(inout)	self,
		real(r8), dimension(:,:), intent(in), optional	fn
	)

Compute cell and vertex volumes, rectifying negative volume cells.

Zero volume cells or vertices are also caught for mesh validation.

Parameters

[in,out]	self	Mesh object
[in]	fn	Unit normal directions for orientation matching [3,nc]

bmesh_boundary()

subroutine bmesh_boundary

(

class(oft_bmesh), intent(inout)

self

)

Locate and index boundary points, edges, faces and cells.

• nbp, nbe, nbf, nbc Counts
• bp, be, bf, bc Flag construction
• lbp, lbe, lbf, lbc List construction

  Parameters

  [in,out]

  self

  Mesh object

bmesh_local_init()

subroutine bmesh_local_init	(	class(oft_bmesh), intent(inout)	self,
		class(oft_mesh), intent(in), optional	parent,
		logical, intent(in), optional	sync_normals
	)

Driver for grid construction.

Parameters

[in,out]	self	Mesh object
[in]	parent	Parent volume mesh (if present)
[in]	sync_normals	Sync unit normal directions between faces?

bmesh_neighbors()

subroutine bmesh_neighbors

(

class(oft_bmesh), intent(inout)

self

)

Locate point, edge, face and cell neighbor cells.

• lfc List construction
• lcc List construction
• kpc, lpc Linkage construction
• kec, lec Linkage construction

  Parameters

  [in,out]

  self

  Mesh object

mesh_boundary()

subroutine mesh_boundary

(

class(oft_mesh), intent(inout)

self

)

Locate and index boundary points, edges, faces and cells.

• nbp, nbe, nbf, nbc Counts
• bp, be, bf, bc Flag construction
• lbp, lbe, lbf, lbc List construction

  Parameters

  [in,out]

  self

  Mesh object

mesh_faces()

subroutine mesh_faces

(

class(oft_mesh), intent(inout)

self

)

Identify global faces and link to points, edges and cells.

• lf List construction
• lcf List construction
• lfe List construction
• klef, llef Linkage construction

  Parameters

  [in,out]

  self

  Mesh object

mesh_local_init()

subroutine mesh_local_init

(

class(oft_mesh), intent(inout)

self

)

Driver for grid construction.

Parameters

[in,out]

self

Mesh object

mesh_local_partition()

subroutine mesh_local_partition	(	class(oft_mesh), intent(inout)	self,
		type(oft_1d_int), dimension(:), intent(inout)	tloc_p,
		type(oft_1d_int), dimension(:), intent(inout)	tloc_e,
		type(oft_1d_int), dimension(:), intent(inout)	tloc_f,
		type(oft_1d_int), dimension(:), intent(inout)	tloc_c,
		integer(i4), intent(in)	nparts
	)

Perform local mesh decomposition (METIS)

Parameters

[in,out]	self	Mesh to partition
[in,out]	tloc_p	Point partitioning [selfnp]
[in,out]	tloc_e	Edge partitioning [selfne]
[in,out]	tloc_f	Face partitioning [selfnf]
[in,out]	tloc_c	Cell partitioning [selfnc]
[in]	nparts	Number of partitions

mesh_neighbors()

subroutine mesh_neighbors

(

class(oft_mesh), intent(inout)

self

)

Locate point, edge, face and cell neighbor cells.

• lfc List construction
• lcc List construction
• kpc, lpc Linkage construction
• kec, lec Linkage construction

  Parameters

  [in,out]

  self

  Mesh object

mesh_volumes()

subroutine mesh_volumes

(

class(oft_mesh), intent(inout)

self

)

Compute cell and vertex volumes, rectifying negative volume cells.

Zero volume cells or vertices are also caught for mesh validation.

Parameters

[in,out]

self

Mesh object

sync_face_normals()

subroutine sync_face_normals

(

class(oft_bmesh), intent(inout)

self

)

Compute cell and vertex volumes, rectifying negative volume cells.

Zero volume cells or vertices are also caught for mesh validation.

Parameters

[in,out]

self

Mesh object