ot::_p_DAMG Struct Reference

The Octree-Multigrid Object. More...

#include <omg.h>

List of all members.

Public Attributes
Mat	B
Vec	b
MPI_Comm	comm
ot::DA *	da
ot::DA *	da_aux
unsigned int	dof
PetscErrorCode(*	initialguess )(_p_DAMG *, Vec)
Mat	J
KSP	ksp
int	nlevels
Mat	R
Vec	r
PetscErrorCode(*	rhs )(_p_DAMG *, Vec)
PetscErrorCode(*	solve )(_p_DAMG **, int)
unsigned char *	suppressedDOF
unsigned char *	suppressedDOFaux
int	totalLevels
void *	user
Vec	x

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Detailed Description

The Octree-Multigrid Object.

Author:

Rahul Sampath

Definition at line 419 of file omg.h.

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Member Data Documentation

Mat ot::_p_DAMG::B

preconditioning matrix for this level Definition at line 432 of file omg.h. Referenced by ot::DAMGCreateAndSetDA(), ot::DAMGDestroy(), and ot::DAMGSetKSP().

Vec ot::_p_DAMG::b

Definition at line 430 of file omg.h. Referenced by ot::DAMGCreateAndSetDA(), ot::DAMGDestroy(), and ot::DAMGSolveKSP().

MPI_Comm ot::_p_DAMG::comm

The communicator Definition at line 436 of file omg.h. Referenced by ComputeFBM2_RHS(), ComputeFBM_RHS(), ComputeRandomRHS(), ComputeRHS1(), ComputeRHS3(), ComputeRHS4(), ComputeRHS5(), ComputeTestFBM_RHS(), CreateConstVecMass(), CreateDirichletJacobian(), CreateDirichletLaplacian(), CreateElasticityMat(), ot::createInterpolationType1(), ot::createInterpolationType2(), CreateJacobian1(), CreateJacobian2(), CreateJacobian3(), CreateTmpDirichletJacobian(), CreateTmpDirichletLaplacian(), ot::DAMGCreateAndSetDA(), and ot::DAMGSetUpLevel().

ot::DA* ot::_p_DAMG::da

octree mesh used for smoothing at this level Definition at line 421 of file omg.h. Referenced by ComputeDirichletJacobian(), ComputeDirichletLaplacian(), ComputeElasticityRHS(), ComputeFBM2_RHS_Part1(), ComputeFBM2_RHS_Part2(), ComputeFBM_RHS_Part1(), ComputeFBM_RHS_Part2(), ComputeFBM_RHS_Part3(), ComputeRHS1(), ComputeRHS2(), ComputeRHS3(), ComputeRHS5(), ComputeRHS6(), ComputeRHS7(), ComputeRHS8(), ComputeRHS9(), ComputeRHS_omgNeumann(), ComputeSol(), CreateAndComputeFullActiveJacobian1(), CreateAndComputeFullJacobian1(), CreateAndComputeMassMatrix(), CreateConstVecMass(), CreateDirichletJacobian(), CreateDirichletLaplacian(), CreateElasticityMat(), ot::createInterpolationType1(), ot::createInterpolationType2(), CreateJacobian1(), CreateJacobian2(), CreateJacobian3(), CreateTmpDirichletJacobian(), CreateTmpDirichletLaplacian(), ot::DAMGCreateAndSetDA(), ot::DAMGCreateSuppressedDOFs(), ot::DAMGDestroy(), ot::DAMGSetKSP(), ot::DAMGSetUp(), EnforceZeroFBM(), EnforceZeroFBM2(), getActiveStateAndActiveCommForKSP_Shell_Jac2or3(), main(), ot::PrintDAMG(), SetDirichletJacContexts(), SetElasticityContexts(), SetPDECoefFromPts(), SetSolutionFBM(), and SetSolutionFBM2().

ot::DA* ot::_p_DAMG::da_aux

Pseudo-mesh used in inter-grid transfers (Scatters). This is not used for smoothing. This is NULL, if the immediate coarser grid shares the same partition. Definition at line 422 of file omg.h. Referenced by ot::createInterpolationType2(), ot::DAMGCreateAndSetDA(), ot::DAMGCreateSuppressedDOFs(), ot::DAMGDestroy(), ot::DAMGSetUp(), main(), ot::PrintDAMG(), SetDirichletJacContexts(), and SetElasticityContexts().

unsigned int ot::_p_DAMG::dof

the number of degrees of freedom per node Definition at line 425 of file omg.h. Referenced by ot::createInterpolationType1(), ot::createInterpolationType2(), ot::DAMGCreateAndSetDA(), and ot::DAMGCreateSuppressedDOFs().

PetscErrorCode(* ot::_p_DAMG::initialguess)(_p_DAMG *, Vec)

Function handle to compute the initial guess vector Referenced by ot::DAMGCreateAndSetDA(), ot::DAMGSetInitialGuess(), and ot::DAMGSolve().

Mat ot::_p_DAMG::J

matrix on this level Definition at line 431 of file omg.h. Referenced by ComputeRHS4(), ComputeRHS6(), ot::DAMGCreateAndSetDA(), ot::DAMGDestroy(), and ot::DAMGSetKSP().

KSP ot::_p_DAMG::ksp

The solver Definition at line 447 of file omg.h. Referenced by ot::DAMGCreateAndSetDA(), ot::DAMGDestroy(), ot::DAMGSetKSP(), and ot::DAMGSetNullSpace().

int ot::_p_DAMG::nlevels

number of levels above this one (total number of levels on level 0) Definition at line 434 of file omg.h. Referenced by CreateConstVecMass(), CreateDirichletJacobian(), CreateDirichletLaplacian(), CreateElasticityMat(), CreateJacobian1(), CreateJacobian2(), CreateJacobian3(), ot::DAMGCreateAndSetDA(), ot::DAMGCreateSuppressedDOFs(), ot::DAMGDestroy(), ot::DAMGSetInitialGuess(), ot::DAMGSetKSP(), ot::DAMGSetNullSpace(), ot::DAMGSetUp(), ot::DAMGSolve(), DestroyDirichletJacContexts(), DestroyElasticityContexts(), DestroyUserContexts(), ot::PrintDAMG(), SetCoarseToFineFromPts(), SetDirichletJacContexts(), SetElasticityContexts(), SetPDECoefFromPts(), SetUserContexts(), SetUserContextsCoarsestToFinest(), and SetUserContextsFromPts().

Mat ot::_p_DAMG::R

interpolation to next finer level Definition at line 433 of file omg.h. Referenced by ot::DAMGCreateAndSetDA(), and ot::DAMGDestroy().

Vec ot::_p_DAMG::r

global vectors used in multigrid preconditioner for this level Definition at line 430 of file omg.h. Referenced by ot::DAMGCreateAndSetDA(), and ot::DAMGDestroy().

PetscErrorCode(* ot::_p_DAMG::rhs)(_p_DAMG *, Vec)

Function handle to compute the RHS vector Referenced by ot::DAMGCreateAndSetDA(), ot::DAMGSetKSP(), and ot::DAMGSolveKSP().

PetscErrorCode(* ot::_p_DAMG::solve)(_p_DAMG **, int)

The pointer to the solve function is just taken from the PETSc implementation. In PETSc, it is used to choose between a KSP solve and SNES solve or FAS solve. However, OTK only supports KSP solve. This can be extended later if required. Referenced by ot::DAMGCreateAndSetDA(), ot::DAMGSetKSP(), and ot::DAMGSolve().

unsigned char* ot::_p_DAMG::suppressedDOF

A list of Dirichlet boundary nodes on 'da'. Must be the size of (dof*localbufferSize) Definition at line 427 of file omg.h. Referenced by ot::createInterpolationType1(), ot::createInterpolationType2(), ot::DAMGCreateAndSetDA(), ot::DAMGCreateSuppressedDOFs(), ot::DAMGDestroy(), SetDirichletJacContexts(), and SetElasticityContexts().

unsigned char* ot::_p_DAMG::suppressedDOFaux

A list of Dirichlet boundary nodes on 'da_aux'. Must be the size of (dof*localbufferSize) Definition at line 428 of file omg.h. Referenced by ot::createInterpolationType2(), ot::DAMGCreateAndSetDA(), ot::DAMGCreateSuppressedDOFs(), ot::DAMGDestroy(), SetDirichletJacContexts(), and SetElasticityContexts().

int ot::_p_DAMG::totalLevels

The total number of levels. Definition at line 435 of file omg.h. Referenced by CreateDirichletJacobian(), CreateDirichletLaplacian(), CreateElasticityMat(), CreateJacobian1(), CreateJacobian2(), ot::DAMGCreateAndSetDA(), and main().

void* ot::_p_DAMG::user

User context Definition at line 445 of file omg.h. Referenced by ComputeConstVecMass(), ComputeDirichletJacobian(), ComputeDirichletLaplacian(), ComputeElasticityMat(), ComputeElasticityRHS(), ComputeFBM2_RHS_Part1(), ComputeFBM2_RHS_Part2(), ComputeFBM_RHS_Part1(), ComputeFBM_RHS_Part2(), ComputeFBM_RHS_Part3(), ComputeJacobian2(), ComputeJacobian3(), CreateDirichletJacobian(), CreateDirichletLaplacian(), CreateElasticityMat(), CreateJacobian2(), CreateJacobian3(), ot::DAMGCreateAndSetDA(), DestroyDirichletJacContexts(), DestroyElasticityContexts(), DestroyUserContexts(), SetPDECoefFromPts(), SetUserContexts(), and SetUserContextsFromPts().

Vec ot::_p_DAMG::x

Definition at line 430 of file omg.h. Referenced by ot::DAMGCreateAndSetDA(), ot::DAMGDestroy(), and ot::DAMGSolve().

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

• /net/www/csela/dendro/releases/Dendro/include/omg/omg.h

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