multigrid Module Reference

Detailed Description

Multi-Level grid implementation using nested meshes.

Authors

George Marklin and Chris Hansen

Date

December 2009

Data Types
type	multigrid_inter
	Level to level interface structure. More...
type	multigrid_mesh
	Multigrid meshes and ML context structure. More...

Functions/Subroutines
subroutine	hexmesh_mg_globals (mg_mesh, self, fmesh)
	Update global indices following refinement.
subroutine	multigrid_base_popcc (mg_mesh, bccg, bcc, n)
	Transfer a cell based field from the base level to the distributed mesh.
subroutine	multigrid_base_pushcc (mg_mesh, bccl, bcc, n)
	Transfer a cell based field from the distributed to base level.
subroutine	multigrid_brefine (mg_mesh)
	Refine the current boundary mesh level once.
subroutine	multigrid_hybrid_base (mg_mesh)
	Generate a transfer level for local to global mapping.
subroutine	multigrid_hybrid_bmesh (mg_mesh)
	Generate a transfer level for local to global mapping for the boundary mesh.
subroutine	multigrid_level (mg_mesh, level)
	Set mesh level in ML mesh.
subroutine	multigrid_reffix_ho (mg_mesh)
	Adjust points to CAD boundary and propogate CAD linkage.
subroutine	multigrid_reffix_ho_surf (mg_mesh)
	Adjust points to CAD boundary and propogate CAD linkage.
subroutine	multigrid_refine (mg_mesh)
	Refine the current mesh level once.
subroutine	multigrid_reset (mg_mesh)
	Construct multi-level mesh.
subroutine	quadmesh_mg_globals (mg_mesh, self, fmesh)
	Update global indices following refinement.
subroutine	tetmesh_mg_globals (mg_mesh, self, fmesh)
	Update global indices following refinement.
subroutine	trimesh_mg_globals (mg_mesh, self, fmesh)
	Update global indices following refinement.

Function/Subroutine Documentation

hexmesh_mg_globals()

subroutine hexmesh_mg_globals	(	type(multigrid_mesh), intent(inout)	mg_mesh,
		class(oft_mesh), intent(in)	self,
		class(oft_mesh), intent(inout)	fmesh
	)

Update global indices following refinement.

• Populate new indices using consistent mapping

multigrid_base_popcc()

subroutine multigrid_base_popcc	(	type(multigrid_mesh), intent(inout)	mg_mesh,
		real(r8), dimension(:,:), intent(in)	bccg,
		real(r8), dimension(:,:), intent(out)	bcc,
		integer(i4), intent(in)	n
	)

Transfer a cell based field from the base level to the distributed mesh.

• Sample local cell variables from the base level

  Parameters

  [in]	bccg	Cell field on base mesh [n,basenc]
  [out]	bcc	Cell field on local domain [n,localnc]
  [in]	n	Number of values per cell

multigrid_base_pushcc()

subroutine multigrid_base_pushcc	(	type(multigrid_mesh), intent(inout)	mg_mesh,
		real(r8), dimension(:,:), intent(in)	bccl,
		real(r8), dimension(:,:), intent(out)	bcc,
		integer(i4), intent(in)	n
	)

Transfer a cell based field from the distributed to base level.

• Synchronize cell variables to the base mesh

  Parameters

  [in]	bccl	Cell field on local domain [n,localnc]
  [out]	bcc	Cell field on base mesh [n,basenc]
  [in]	n	Number of values per cell

multigrid_brefine()

subroutine multigrid_brefine

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Refine the current boundary mesh level once.

• Add new points at the center of each edge
• Update face lists

multigrid_hybrid_base()

subroutine multigrid_hybrid_base

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Generate a transfer level for local to global mapping.

• Populate global indexing for grid block

multigrid_hybrid_bmesh()

subroutine multigrid_hybrid_bmesh

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Generate a transfer level for local to global mapping for the boundary mesh.

• Populate global indexing for grid block

multigrid_level()

subroutine multigrid_level	(	type(multigrid_mesh), intent(inout)	mg_mesh,
		integer(i4), intent(in)	level
	)

Set mesh level in ML mesh.

Parameters

[in]

level

Desired mesh level

multigrid_reffix_ho()

subroutine multigrid_reffix_ho

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Adjust points to CAD boundary and propogate CAD linkage.

multigrid_reffix_ho_surf()

subroutine multigrid_reffix_ho_surf

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Adjust points to CAD boundary and propogate CAD linkage.

multigrid_refine()

subroutine multigrid_refine

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Refine the current mesh level once.

• Add new points at the center of each edge
• Update cell lists

multigrid_reset()

subroutine multigrid_reset

(

type(multigrid_mesh), intent(inout)

mg_mesh

)

Construct multi-level mesh.

• Read in mesh options
• Load base mesh
• Setup local meshes
• Decompose mesh
• Setup distributed meshes

quadmesh_mg_globals()

subroutine quadmesh_mg_globals	(	type(multigrid_mesh), intent(inout)	mg_mesh,
		class(oft_bmesh), intent(in)	self,
		class(oft_bmesh), intent(inout)	fmesh
	)

Update global indices following refinement.

• Populate new indices using consistent mapping

tetmesh_mg_globals()

subroutine tetmesh_mg_globals	(	type(multigrid_mesh), intent(inout)	mg_mesh,
		class(oft_mesh), intent(in)	self,
		class(oft_mesh), intent(inout)	fmesh
	)

Update global indices following refinement.

• Populate new indices using consistent mapping

trimesh_mg_globals()

subroutine trimesh_mg_globals	(	type(multigrid_mesh), intent(inout)	mg_mesh,
		class(oft_bmesh), intent(in)	self,
		class(oft_bmesh), intent(inout)	fmesh
	)

Update global indices following refinement.

• Populate new indices using consistent mapping