AMG_data_bsr Struct Reference

Data for multigrid levels in dBSRmat format. More...

#include <fasp_block.h>

Data Fields
INT	max_levels
	max number of levels More...
INT	num_levels
	number of levels in use <= max_levels More...
dBSRmat	A
	pointer to the matrix at level level_num More...
dBSRmat	R
	restriction operator at level level_num More...
dBSRmat	P
	prolongation operator at level level_num More...
dvector	b
	pointer to the right-hand side at level level_num More...
dvector	x
	pointer to the iterative solution at level level_num More...
dvector	diaginv
	pointer to the diagonal inverse at level level_num More...
dCSRmat	Ac
	pointer to the matrix at level level_num (csr format) More...
void *	Numeric
	pointer to the numerical dactorization from UMFPACK More...
Pardiso_data	pdata
	data for Intel MKL PARDISO More...
dCSRmat	PP
	pointer to the pressure block (only for reservoir simulation) More...
AMG_data *	mglP
	AMG data for PP, Li Zhao, 05/19/2023. More...
dCSRmat	TT
AMG_data *	mglT
	AMG data for TT, Li Zhao, 05/23/2023. More...
dBSRmat	PT
REAL *	pw
	pointer to the auxiliary vectors for pressure block More...
dBSRmat	SS
	pointer to the saturation block (only for reservoir simulation) More...
REAL *	sw
	pointer to the auxiliary vectors for saturation block More...
dvector	diaginv_SS
	pointer to the diagonal inverse of the saturation block at level level_num More...
ILU_data	PP_LU
	ILU data for pressure block. More...
ivector	cfmark
	pointer to the CF marker at level level_num More...
INT	ILU_levels
	number of levels use ILU smoother More...
ILU_data	LU
	ILU matrix for ILU smoother. More...
INT	near_kernel_dim
	dimension of the near kernel for SAMG More...
REAL **	near_kernel_basis
	basis of near kernel space for SAMG More...
dCSRmat *	A_nk
	Matrix data for near kernal. More...
dCSRmat *	P_nk
	Prolongation for near kernal. More...
dCSRmat *	R_nk
	Resriction for near kernal. More...
dvector	w
	temporary work space More...
Mumps_data	mumps
	data for MUMPS More...

Detailed Description

Data for multigrid levels in dBSRmat format.

Note

This structure is needed for the AMG solver/preconditioner in BSR format

Definition at line 146 of file fasp_block.h.

Field Documentation

A

dBSRmat A

pointer to the matrix at level level_num

Definition at line 155 of file fasp_block.h.

A_nk

dCSRmat* A_nk

Matrix data for near kernal.

Definition at line 232 of file fasp_block.h.

Ac

dCSRmat Ac

pointer to the matrix at level level_num (csr format)

Definition at line 173 of file fasp_block.h.

b

dvector b

pointer to the right-hand side at level level_num

Definition at line 164 of file fasp_block.h.

cfmark

ivector cfmark

pointer to the CF marker at level level_num

Definition at line 214 of file fasp_block.h.

diaginv

dvector diaginv

pointer to the diagonal inverse at level level_num

Definition at line 170 of file fasp_block.h.

diaginv_SS

dvector diaginv_SS

pointer to the diagonal inverse of the saturation block at level level_num

Definition at line 208 of file fasp_block.h.

ILU_levels

INT ILU_levels

number of levels use ILU smoother

Definition at line 217 of file fasp_block.h.

LU

ILU_data LU

ILU matrix for ILU smoother.

Definition at line 220 of file fasp_block.h.

max_levels

INT max_levels

max number of levels

Definition at line 149 of file fasp_block.h.

mglP

AMG_data* mglP

AMG data for PP, Li Zhao, 05/19/2023.

Definition at line 185 of file fasp_block.h.

mglT

AMG_data* mglT

AMG data for TT, Li Zhao, 05/23/2023.

Definition at line 192 of file fasp_block.h.

mumps

Mumps_data mumps

data for MUMPS

Definition at line 245 of file fasp_block.h.

near_kernel_basis

REAL** near_kernel_basis

basis of near kernel space for SAMG

Definition at line 226 of file fasp_block.h.

near_kernel_dim

INT near_kernel_dim

dimension of the near kernel for SAMG

Definition at line 223 of file fasp_block.h.

num_levels

INT num_levels

number of levels in use <= max_levels

Definition at line 152 of file fasp_block.h.

Numeric

void* Numeric

pointer to the numerical dactorization from UMFPACK

Definition at line 176 of file fasp_block.h.

P

dBSRmat P

prolongation operator at level level_num

Definition at line 161 of file fasp_block.h.

P_nk

dCSRmat* P_nk

Prolongation for near kernal.

Definition at line 235 of file fasp_block.h.

pdata

Pardiso_data pdata

data for Intel MKL PARDISO

Definition at line 179 of file fasp_block.h.

PP

dCSRmat PP

pointer to the pressure block (only for reservoir simulation)

Definition at line 182 of file fasp_block.h.

PP_LU

ILU_data PP_LU

ILU data for pressure block.

Definition at line 211 of file fasp_block.h.

PT

dBSRmat PT

pointer to the pressure-temperature block (only for thermal reservoir simulation), Li Zhao, 05/19/2023

Definition at line 196 of file fasp_block.h.

pw

REAL* pw

pointer to the auxiliary vectors for pressure block

Definition at line 199 of file fasp_block.h.

R

dBSRmat R

restriction operator at level level_num

Definition at line 158 of file fasp_block.h.

R_nk

dCSRmat* R_nk

Resriction for near kernal.

Definition at line 238 of file fasp_block.h.

SS

dBSRmat SS

pointer to the saturation block (only for reservoir simulation)

Definition at line 202 of file fasp_block.h.

sw

REAL* sw

pointer to the auxiliary vectors for saturation block

Definition at line 205 of file fasp_block.h.

TT

dCSRmat TT

pointer to the temperature block (only for thermal reservoir simulation), Li Zhao, 05/23/2023

Definition at line 189 of file fasp_block.h.

w

dvector w

temporary work space

Definition at line 242 of file fasp_block.h.

x

dvector x

pointer to the iterative solution at level level_num

Definition at line 167 of file fasp_block.h.

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

• fasp_block.h