Build an algebraic CDO vertex-based system for a set of coupled unsteady convection-diffusion-reaction of scalar-valued equations with source terms. More...

#include "cs_defs.h"
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <bft_mem.h>
#include "cs_array.h"
#include "cs_cdo_assembly.h"
#include "cs_cdo_system.h"
#include "cs_cdovb_priv.h"
#include "cs_cdovb_scaleq.h"
#include "cs_matrix.h"
#include "cs_parameters.h"
#include "cs_sles.h"
#include "cs_cdovb_scalsys.h"

Include dependency graph for cs_cdovb_scalsys.c:

Macros
#define	CS_CDOVB_SCALSYS_DBG 0

Typedefs
typedef void()	cs_cdovb_scalsys_build_t(bool cur2prev, int n_equations, cs_equation_core_t *blocks, cs_cdovb_scalsys_t scalsys, cs_field_t *fields, cs_cdo_system_helper_t sh)
	Build the linear system of equations. The number of rows in the system is equal to the number of equations. Thus there are n_eqs*n_eqs blocks in the system. Each block corresponds potentially to a scalar-valued unsteady convection/diffusion/reaction equation with a CDO-Vb scheme. More...

typedef void()	cs_cdovb_scalsys_asb_t(int row_id, const cs_cell_sys_t csys, cs_cdo_system_helper_t sh, cs_equation_builder_t eqb, cs_cdo_assembly_t asb)
	Generic function pointer to perform the assembly step. Add the block attached to the block (row_id, col_id) in the full (coupled) system. More...

typedef int()	cs_cdovb_scalsys_solve_t(int n_eqs, cs_lnum_t n_dofs, const cs_equation_system_param_t sysp, cs_cdo_system_helper_t sh, cs_field_t **fields)
	Solve a linear system arising for a system of equations relying on scalar-valued CDO vertex-based schemes. More...

Functions
void	cs_cdovb_scalsys_init_sharing (const cs_mesh_t mesh, const cs_cdo_connect_t connect, const cs_cdo_quantities_t quant, const cs_time_step_t time_step)
	Set pointers to the main shared structures. More...

void *	cs_cdovb_scalsys_define (int n_eqs, const cs_equation_system_param_t sysp, cs_equation_core_t block_factories, cs_cdo_system_helper_t *p_sh)
	Create and initialize factories for extra-diagonal blocks Build equation builders and scheme context structures for each equation which are in the extra-diagonal blocks related to a system of equations. Structures associated to diagonal blocks should be already initialized during the treatment of the classical full equations. More...

void *	cs_cdovb_scalsys_free (int n_eqs, cs_equation_core_t *blocks, void sys_context)
	Free an array of structures (equation parameters, equation builders or scheme context) for each equation which are in the extra-diagonal blocks related to a system of equations. Structures associated to diagonal blocks are freed during the treatment of the classical full equations. More...

void	cs_cdovb_scalsys_solve_implicit (bool cur2prev, int n_equations, cs_equation_system_param_t sysp, cs_equation_core_t blocks, void sys_context, cs_cdo_system_helper_t *sh)
	Build and solve the linear system of equations. The number of rows in the system is equal to the number of equations. Thus there are n_eqs*n_eqs blocks in the system. Each block corresponds potentially to a scalar-valued unsteady convection/diffusion/reaction equation with a CDO-Vb scheme using an implicit time scheme. More...

Detailed Description

Build an algebraic CDO vertex-based system for a set of coupled unsteady convection-diffusion-reaction of scalar-valued equations with source terms.

Macro Definition Documentation

◆ CS_CDOVB_SCALSYS_DBG

#define CS_CDOVB_SCALSYS_DBG 0

Typedef Documentation

◆ cs_cdovb_scalsys_asb_t

typedef void() cs_cdovb_scalsys_asb_t(int row_id, const cs_cell_sys_t *csys, cs_cdo_system_helper_t *sh, cs_equation_builder_t *eqb, cs_cdo_assembly_t *asb)

Generic function pointer to perform the assembly step. Add the block attached to the block (row_id, col_id) in the full (coupled) system.

Parameters

[in]	row_id	id of the row in the coupled system
[in]	csys	pointer to a cellwise view of the system
[in,out]	sh	pointer to the system helper of the coupled sys.
[in,out]	eqc	context for this kind of discretization
[in,out]	asb	pointer to a cs_cdo_assembly_t structure

◆ cs_cdovb_scalsys_build_t

typedef void() cs_cdovb_scalsys_build_t(bool cur2prev, int n_equations, cs_equation_core_t **blocks, cs_cdovb_scalsys_t *scalsys, cs_field_t **fields, cs_cdo_system_helper_t *sh)

Build the linear system of equations. The number of rows in the system is equal to the number of equations. Thus there are n_eqs*n_eqs blocks in the system. Each block corresponds potentially to a scalar-valued unsteady convection/diffusion/reaction equation with a CDO-Vb scheme.

Parameters

[in]	cur2prev	do a "current to previous" operation ?
[in]	n_eqs	number of equations
[in,out]	blocks	array of the core members for an equation
[in,out]	scalsys	pointer to a cs_cdovb_scalsys_t structure
[in,out]	fields	array of pointers to the associated fields
[in,out]	sh	pointer to a system helper structure

◆ cs_cdovb_scalsys_solve_t

typedef int() cs_cdovb_scalsys_solve_t(int n_eqs, cs_lnum_t n_dofs, const cs_equation_system_param_t *sysp, cs_cdo_system_helper_t *sh, cs_field_t **fields)

Solve a linear system arising for a system of equations relying on scalar-valued CDO vertex-based schemes.

Parameters

[in]	n_eqs	number of equations constituting the system
[in]	n_dofs	local number of DoFs (may be != n_gather_elts)
[in]	sysp	parameter settings
[in,out]	sh	pointer to the system helper structure
[in,out]	fields	array of field pointers (one for each eq.)

Returns: the number of iterations of the linear solver

Function Documentation

◆ cs_cdovb_scalsys_define()

void* cs_cdovb_scalsys_define	(	int	n_eqs,
		const cs_equation_system_param_t *	sysp,
		cs_equation_core_t **	block_factories,
		cs_cdo_system_helper_t **	p_sh
	)

Create and initialize factories for extra-diagonal blocks Build equation builders and scheme context structures for each equation which are in the extra-diagonal blocks related to a system of equations. Structures associated to diagonal blocks should be already initialized during the treatment of the classical full equations.

Case of scalar-valued CDO-Vb scheme in each block

Parameters

[in]	n_eqs	number of equations
[in]	sysp	set of parameters to specify a system of eqs
[in,out]	block_factories	array of the core members for an equation
[out]	p_sh	system helper structure to initialize

Returns: a pointer to a new allocated system context structure

◆ cs_cdovb_scalsys_free()

void* cs_cdovb_scalsys_free	(	int	n_eqs,
		cs_equation_core_t **	blocks,
		void *	sys_context
	)

Free an array of structures (equation parameters, equation builders or scheme context) for each equation which are in the extra-diagonal blocks related to a system of equations. Structures associated to diagonal blocks are freed during the treatment of the classical full equations.

Case of scalar-valued CDO-Vb scheme in each block

Parameters

[in]	n_eqs	number of equations
[in,out]	blocks	array of the core structures for an equation
[in,out]	sys_context	pointer to a structure cast on-the-fly

◆ cs_cdovb_scalsys_init_sharing()

void cs_cdovb_scalsys_init_sharing	(	const cs_mesh_t *	mesh,
		const cs_cdo_connect_t *	connect,
		const cs_cdo_quantities_t *	quant,
		const cs_time_step_t *	time_step
	)

Set pointers to the main shared structures.

Parameters

[in]	mesh	basic mesh structure
[in]	connect	pointer to a cs_cdo_connect_t struct.
[in]	quant	additional mesh quantities struct.
[in]	time_step	pointer to a time step structure

◆ cs_cdovb_scalsys_solve_implicit()

void cs_cdovb_scalsys_solve_implicit	(	bool	cur2prev,
		int	n_equations,
		cs_equation_system_param_t *	sysp,
		cs_equation_core_t **	blocks,
		void *	sys_context,
		cs_cdo_system_helper_t *	sh
	)

Build and solve the linear system of equations. The number of rows in the system is equal to the number of equations. Thus there are n_eqs*n_eqs blocks in the system. Each block corresponds potentially to a scalar-valued unsteady convection/diffusion/reaction equation with a CDO-Vb scheme using an implicit time scheme.

Parameters

[in]	cur2prev	do a "current to previous" operation ?
[in]	n_equations	number of equations
[in]	sysp	set of paremeters for the system of equations
[in,out]	blocks	array of the core members for an equation
[in,out]	sys_context	pointer to a structure cast on-the-fly
[in,out]	sh	pointer to a system helper structure

Macros

Typedefs

Functions

Detailed Description

Macro Definition Documentation

◆ CS_CDOVB_SCALSYS_DBG

Typedef Documentation

◆ cs_cdovb_scalsys_asb_t

◆ cs_cdovb_scalsys_build_t

◆ cs_cdovb_scalsys_solve_t

Function Documentation

◆ cs_cdovb_scalsys_define()

◆ cs_cdovb_scalsys_free()

◆ cs_cdovb_scalsys_init_sharing()

◆ cs_cdovb_scalsys_solve_implicit()