cs_cdofb_navsto.c File Reference

Shared routines among all face-based schemes for building and solving Stokes and Navier-Stokes problem. More...

#include "cs_defs.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <float.h>
#include <assert.h>
#include <string.h>
#include <bft_mem.h>
#include "cs_blas.h"
#include "cs_cdo_bc.h"
#include "cs_equation_bc.h"
#include "cs_equation_priv.h"
#include "cs_evaluate.h"
#include "cs_log.h"
#include "cs_math.h"
#include "cs_navsto_coupling.h"
#include "cs_navsto_param.h"
#include "cs_parall.h"
#include "cs_post.h"
#include "cs_sdm.h"
#include "cs_timer.h"
#include "cs_cdofb_navsto.h"

Include dependency graph for cs_cdofb_navsto.c:

Functions
void	cs_cdofb_navsto_define_builder (cs_real_t t_eval, const cs_navsto_param_t *nsp, const cs_cell_mesh_t *cm, const cs_cell_sys_t *csys, const cs_cdo_bc_face_t *pr_bc, const cs_boundary_type_t *bf_type, cs_cdofb_navsto_builder_t *nsb)
	Set the members of the cs_cdofb_navsto_builder_t structure. More...
cs_real_t	cs_cdofb_navsto_cell_divergence (const cs_lnum_t c_id, const cs_cdo_quantities_t *quant, const cs_adjacency_t *c2f, const cs_real_t *f_vals)
	Compute the divergence of a cell using the cs_cdo_quantities_t structure. More...
void	cs_cdofb_navsto_add_grad_div (short int n_fc, const cs_real_t zeta, const cs_real_t div[], cs_sdm_t *mat)
	Add the grad-div part to the local matrix (i.e. for the current cell) More...
void	cs_cdofb_navsto_init_pressure (const cs_navsto_param_t *nsp, const cs_cdo_quantities_t *quant, const cs_time_step_t *ts, cs_field_t *pr)
	Initialize the pressure values. More...
void	cs_cdofb_navsto_init_face_pressure (const cs_navsto_param_t *nsp, const cs_cdo_quantities_t *quant, const cs_time_step_t *ts, cs_real_t *pr_f)
	Initialize the pressure values when the pressure is defined at faces. More...
void	cs_cdofb_navsto_set_zero_mean_pressure (const cs_cdo_quantities_t *quant, cs_real_t values[])
	Update the pressure field in order to get a field with a zero-mean average. More...
void	cs_cdofb_navsto_extra_op (const cs_navsto_param_t *nsp, const cs_cdo_quantities_t *quant, const cs_cdo_connect_t *connect, const cs_adv_field_t *adv_field)
	Perform extra-operation related to Fb schemes when solving Navier-Stokes. More...
void	cs_cdofb_block_dirichlet_alge (short int f, const cs_equation_param_t *eqp, const cs_cell_mesh_t *cm, cs_cell_builder_t *cb, cs_cell_sys_t *csys)
	Take into account a Dirichlet BCs on the three velocity components. For instance for a velocity inlet boundary or a wall Handle the velocity-block in the global algebraic system in case of an algebraic technique. More...
void	cs_cdofb_block_dirichlet_pena (short int f, const cs_equation_param_t *eqp, const cs_cell_mesh_t *cm, cs_cell_builder_t *cb, cs_cell_sys_t *csys)
	Take into account a Dirichlet BCs on the three velocity components. For instance for a velocity inlet boundary or a wall Handle the velocity-block in the global algebraic system in case of a penalization technique (with a large coefficient). One assumes that static condensation has been performed and that the velocity-block has size 3*n_fc. More...
void	cs_cdofb_block_dirichlet_weak (short int f, const cs_equation_param_t *eqp, const cs_cell_mesh_t *cm, cs_cell_builder_t *cb, cs_cell_sys_t *csys)
	Take into account a Dirichlet BCs on the three velocity components. For instance for a velocity inlet boundary or a wall Handle the velocity-block in the global algebraic system in case of a weak penalization technique (Nitsche). One assumes that static condensation has not been performed yet and that the velocity-block has size 3*(n_fc + 1) More...
void	cs_cdofb_block_dirichlet_wsym (short int f, const cs_equation_param_t *eqp, const cs_cell_mesh_t *cm, cs_cell_builder_t *cb, cs_cell_sys_t *csys)
	Take into account a Dirichlet BCs on the three velocity components. For instance for a velocity inlet boundary or a wall Handle the velocity-block in the global algebraic system in case of a weak penalization technique (symmetrized Nitsche). One assumes that static condensation has not been performed yet and that the velocity-block has size 3*(n_fc + 1) More...
void	cs_cdofb_symmetry (short int f, const cs_equation_param_t *eqp, const cs_cell_mesh_t *cm, cs_cell_builder_t *cb, cs_cell_sys_t *csys)
	Take into account a symmetric boundary (treated as a sliding BCs on the three velocity components. A weak penalization technique (symmetrized Nitsche) is used. One assumes that static condensation has not been performed yet and that the velocity-block has (n_fc + 1) blocks of size 3x3. More...
void	cs_cdofb_fixed_wall (short int f, const cs_equation_param_t *eqp, const cs_cell_mesh_t *cm, cs_cell_builder_t *cb, cs_cell_sys_t *csys)
	Take into account a wall BCs by a weak enforcement using Nitsche technique plus a symmetric treatment. Case of vector-valued CDO Face-based schemes. More...

Detailed Description

Shared routines among all face-based schemes for building and solving Stokes and Navier-Stokes problem.

Function Documentation

cs_cdofb_block_dirichlet_alge()

void cs_cdofb_block_dirichlet_alge	(	short int	f,
		const cs_equation_param_t *	eqp,
		const cs_cell_mesh_t *	cm,
		cs_cell_builder_t *	cb,
		cs_cell_sys_t *	csys
	)

Take into account a Dirichlet BCs on the three velocity components. For instance for a velocity inlet boundary or a wall Handle the velocity-block in the global algebraic system in case of an algebraic technique.

Take into account a Dirichlet BCs on the three velocity components. For instance for a velocity inlet boundary or a wall Handle the velocity-block in the global algebraic system in case of an algebraic technique. One assumes that static condensation has been performed and that the velocity-block has size 3*n_fc.

Parameters

[in]	f	face id in the cell mesh numbering
[in]	eqp	pointer to a cs_equation_param_t struct.
[in]	cm	pointer to a cs_cell_mesh_t structure
[in,out]	cb	pointer to a cs_cell_builder_t structure
[in,out]	csys	structure storing the cellwise system

cs_cdofb_block_dirichlet_pena()

void cs_cdofb_block_dirichlet_pena	(	short int	f,
		const cs_equation_param_t *	eqp,
		const cs_cell_mesh_t *	cm,
		cs_cell_builder_t *	cb,
		cs_cell_sys_t *	csys
	)

Take into account a Dirichlet BCs on the three velocity components. For instance for a velocity inlet boundary or a wall Handle the velocity-block in the global algebraic system in case of a penalization technique (with a large coefficient). One assumes that static condensation has been performed and that the velocity-block has size 3*n_fc.

Parameters

[in]	f	face id in the cell mesh numbering
[in]	eqp	pointer to a cs_equation_param_t struct.
[in]	cm	pointer to a cs_cell_mesh_t structure
[in,out]	cb	pointer to a cs_cell_builder_t structure
[in,out]	csys	structure storing the cellwise system

cs_cdofb_block_dirichlet_weak()

void cs_cdofb_block_dirichlet_weak	(	short int	f,
		const cs_equation_param_t *	eqp,
		const cs_cell_mesh_t *	cm,
		cs_cell_builder_t *	cb,
		cs_cell_sys_t *	csys
	)

Take into account a Dirichlet BCs on the three velocity components. For instance for a velocity inlet boundary or a wall Handle the velocity-block in the global algebraic system in case of a weak penalization technique (Nitsche). One assumes that static condensation has not been performed yet and that the velocity-block has size 3*(n_fc + 1)

Parameters

[in]	f	face id in the cell mesh numbering
[in]	eqp	pointer to a cs_equation_param_t struct.
[in]	cm	pointer to a cs_cell_mesh_t structure
[in,out]	cb	pointer to a cs_cell_builder_t structure
[in,out]	csys	structure storing the cellwise system

cs_cdofb_block_dirichlet_wsym()

void cs_cdofb_block_dirichlet_wsym	(	short int	f,
		const cs_equation_param_t *	eqp,
		const cs_cell_mesh_t *	cm,
		cs_cell_builder_t *	cb,
		cs_cell_sys_t *	csys
	)

Take into account a Dirichlet BCs on the three velocity components. For instance for a velocity inlet boundary or a wall Handle the velocity-block in the global algebraic system in case of a weak penalization technique (symmetrized Nitsche). One assumes that static condensation has not been performed yet and that the velocity-block has size 3*(n_fc + 1)

Parameters

[in]	f	face id in the cell mesh numbering
[in]	eqp	pointer to a cs_equation_param_t struct.
[in]	cm	pointer to a cs_cell_mesh_t structure
[in,out]	cb	pointer to a cs_cell_builder_t structure
[in,out]	csys	structure storing the cellwise system

cs_cdofb_fixed_wall()

void cs_cdofb_fixed_wall	(	short int	f,
		const cs_equation_param_t *	eqp,
		const cs_cell_mesh_t *	cm,
		cs_cell_builder_t *	cb,
		cs_cell_sys_t *	csys
	)

Take into account a wall BCs by a weak enforcement using Nitsche technique plus a symmetric treatment. Case of vector-valued CDO Face-based schemes.

Parameters

[in]	f	face id in the cell mesh numbering
[in]	eqp	pointer to a cs_equation_param_t struct.
[in]	cm	pointer to a cs_cell_mesh_t structure
[in,out]	cb	pointer to a cs_cell_builder_t structure
[in,out]	csys	structure storing the cellwise system

cs_cdofb_navsto_add_grad_div()

void cs_cdofb_navsto_add_grad_div	(	short int	n_fc,
		const cs_real_t	zeta,
		const cs_real_t	div[],
		cs_sdm_t *	mat
	)

Add the grad-div part to the local matrix (i.e. for the current cell)

Parameters

[in]	n_fc	local number of faces for the current cell
[in]	zeta	scalar coefficient for the grad-div operator
[in]	div	divergence
[in,out]	mat	local system matrix to update

cs_cdofb_navsto_cell_divergence()

cs_real_t cs_cdofb_navsto_cell_divergence	(	const cs_lnum_t	c_id,
		const cs_cdo_quantities_t *	quant,
		const cs_adjacency_t *	c2f,
		const cs_real_t *	f_vals
	)

Compute the divergence of a cell using the cs_cdo_quantities_t structure.

Parameters

[in]	c_id	cell id
[in]	quant	pointer to a cs_cdo_quantities_t
[in]	c2f	pointer to cell-to-face cs_adjacency_t
[in]	f_vals	values of the face DoFs

Returns

the divergence for the corresponding cell

cs_cdofb_navsto_define_builder()

void cs_cdofb_navsto_define_builder	(	cs_real_t	t_eval,
		const cs_navsto_param_t *	nsp,
		const cs_cell_mesh_t *	cm,
		const cs_cell_sys_t *	csys,
		const cs_cdo_bc_face_t *	pr_bc,
		const cs_boundary_type_t *	bf_type,
		cs_cdofb_navsto_builder_t *	nsb
	)

Set the members of the cs_cdofb_navsto_builder_t structure.

Parameters

[in]	t_eval	time at which one evaluates the pressure BC
[in]	nsp	set of parameters to define the NavSto system
[in]	cm	cellwise view of the mesh
[in]	csys	cellwise view of the algebraic system
[in]	pr_bc	set of definitions for the presuure BCs
[in]	bf_type	type of boundaries for all boundary faces
[in,out]	nsb	builder to update

cs_cdofb_navsto_extra_op()

void cs_cdofb_navsto_extra_op	(	const cs_navsto_param_t *	nsp,
		const cs_cdo_quantities_t *	quant,
		const cs_cdo_connect_t *	connect,
		const cs_adv_field_t *	adv_field
	)

Perform extra-operation related to Fb schemes when solving Navier-Stokes.

• Compute the mass flux accross the boundaries.

Parameters

[in]	nsp	pointer to a cs_navsto_param_t struct.
[in]	quant	pointer to a cs_cdo_quantities_t struct.
[in]	connect	pointer to a cs_cdo_connect_t struct.
[in]	adv_field	pointer to a cs_adv_field_t struct.

cs_cdofb_navsto_init_face_pressure()

void cs_cdofb_navsto_init_face_pressure	(	const cs_navsto_param_t *	nsp,
		const cs_cdo_quantities_t *	quant,
		const cs_time_step_t *	ts,
		cs_real_t *	pr_f
	)

Initialize the pressure values when the pressure is defined at faces.

Parameters

[in]	nsp	pointer to a cs_navsto_param_t structure
[in]	quant	pointer to a cs_cdo_quantities_t structure
[in]	ts	pointer to a cs_time_step_t structure
[in,out]	pr_f	pointer to the pressure values at faces

cs_cdofb_navsto_init_pressure()

void cs_cdofb_navsto_init_pressure	(	const cs_navsto_param_t *	nsp,
		const cs_cdo_quantities_t *	quant,
		const cs_time_step_t *	ts,
		cs_field_t *	pr
	)

Initialize the pressure values.

Parameters

[in]	nsp	pointer to a cs_navsto_param_t structure
[in]	quant	pointer to a cs_cdo_quantities_t structure
[in]	ts	pointer to a cs_time_step_t structure
[in,out]	pr	pointer to the pressure cs_field_t structure

cs_cdofb_navsto_set_zero_mean_pressure()

void cs_cdofb_navsto_set_zero_mean_pressure	(	const cs_cdo_quantities_t *	quant,
		cs_real_t	values[]
	)

Update the pressure field in order to get a field with a zero-mean average.

Parameters

[in]	quant	pointer to a cs_cdo_quantities_t structure
[in,out]	values	pressure field values

cs_cdofb_symmetry()

void cs_cdofb_symmetry	(	short int	f,
		const cs_equation_param_t *	eqp,
		const cs_cell_mesh_t *	cm,
		cs_cell_builder_t *	cb,
		cs_cell_sys_t *	csys
	)

Take into account a symmetric boundary (treated as a sliding BCs on the three velocity components. A weak penalization technique (symmetrized Nitsche) is used. One assumes that static condensation has not been performed yet and that the velocity-block has (n_fc + 1) blocks of size 3x3.

Parameters

[in]	f	face id in the cell mesh numbering
[in]	eqp	pointer to a cs_equation_param_t struct.
[in]	cm	pointer to a cs_cell_mesh_t structure
[in,out]	cb	pointer to a cs_cell_builder_t structure
[in,out]	csys	structure storing the cellwise system