cs_scheme_geometry.h File Reference

#include "cs_cdo_local.h"
#include "cs_math.h"

Include dependency graph for cs_scheme_geometry.h:

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Functions
static void	cs_compute_grdfc (const short int f_sgn, const cs_quant_t pfq, const cs_nvec3_t deq, cs_real_t *grd_c)
	Compute the value of the constant gradient of the Lagrange function attached to xc in p_{f,c} (constant inside this volume) More...
void	cs_compute_face_covariance_tensor (const cs_cell_mesh_t *cm, short int f, const cs_nvec3_t ax, const cs_nvec3_t ay, const cs_real_t center[3], cs_real_t cov[3])
	Compute the inertial matrix of a cell with respect to the point called "center". This computation is performed exactly thanks to quadrature based on a "tetrahedrization" of the cell. More...
void	cs_compute_inertia_tensor (const cs_cell_mesh_t *cm, const cs_real_t center[3], cs_real_t inertia[3][3])
	Compute the inertial matrix of a cell with respect to the point called "center". This computation is performed exactly thanks to quadrature based on a "tetrahedrization" of the cell. More...
void	cs_compute_grd_ve (const short int v1, const short int v2, const cs_nvec3_t deq, const cs_real_3_t uvc[], const cs_real_t lvc[], cs_real_t *grd_v1, cs_real_t *grd_v2)
	Compute the gradient of a Lagrange hat function related to primal vertices in a p_{ef,c} subvolume of a cell c where e is an edge belonging to the face f with vertices v1 and v2. More...
double	cs_compute_fwbs_q1 (short int f, const cs_cell_mesh_t *cm, cs_real_t *wvf, cs_real_t *pefc_vol)
	Compute for a face the weight related to each vertex w_{v,f} This weight is equal to |dc(v) cap f|/|f| so that the sum of the weights is equal to 1. Compute also the volume pefc attached to each edge of the face wvf should be allocated to n_max_vbyc and pefc_vol to n_max_ebyf. More...
void	cs_compute_fwbs_q2 (short int f, const cs_cell_mesh_t *cm, cs_real_3_t grd_c, cs_real_t *wvf, cs_real_t *pefc_vol)
	Compute for a face the weight related to each vertex w_{v,f} This weight is equal to |dc(v) cap f|/|f| so that the sum of the weights is equal to 1. Compute also the volume pefc attached to each edge of the face wvf should be allocated to n_max_vbyc and pefc_vol to n_max_ebyf. More...
double	cs_compute_fwbs_q3 (short int f, const cs_cell_mesh_t *cm, cs_real_3_t grd_c, cs_real_t *wvf, cs_real_t *pefc_vol)
	Compute for a face the weight related to each vertex w_{v,f} This weight is equal to |dc(v) cap f|/|f| so that the sum of the weights is equal to 1. Compute also the volume pefc attached to each edge of the face wvf should be allocated to n_max_vbyc and pefc_vol to n_max_ebyf. More...

Function Documentation

cs_compute_face_covariance_tensor()

void cs_compute_face_covariance_tensor	(	const cs_cell_mesh_t *	cm,
		short int	f,
		const cs_nvec3_t	ax,
		const cs_nvec3_t	ay,
		const cs_real_t	center[3],
		cs_real_t	cov[3]
	)

Compute the inertial matrix of a cell with respect to the point called "center". This computation is performed exactly thanks to quadrature based on a "tetrahedrization" of the cell.

Parameters

[in]	cm	pointer to a cs_cell_mesh_t structure
[in]	f	id of the face in the cell numbering
[in]	ax	main X-axis for the face-related coordinate system
[in]	ay	main Y-axis for the face-related coordinate system
[in]	center	coordinates of the face center
[in,out]	cov	2x2 symmetric covariance matrix to compute

cs_compute_fwbs_q1()

double cs_compute_fwbs_q1	(	short int	f,
		const cs_cell_mesh_t *	cm,
		cs_real_t *	wvf,
		cs_real_t *	pefc_vol
	)

Compute for a face the weight related to each vertex w_{v,f} This weight is equal to |dc(v) cap f|/|f| so that the sum of the weights is equal to 1. Compute also the volume pefc attached to each edge of the face wvf should be allocated to n_max_vbyc and pefc_vol to n_max_ebyf.

Parameters

[in]	f	id of the face in the cell-wise numbering
[in]	cm	pointer to a cs_cell_mesh_t structure
[in,out]	wvf	pointer to an array storing the weight/vertex
[in,out]	pefc_vol	pointer to an array storing the volume of pefc

Returns

the volume of p_{f,c}

cs_compute_fwbs_q2()

void cs_compute_fwbs_q2	(	short int	f,
		const cs_cell_mesh_t *	cm,
		cs_real_3_t	grd_c,
		cs_real_t *	wvf,
		cs_real_t *	pefc_vol
	)

Compute for a face the weight related to each vertex w_{v,f} This weight is equal to |dc(v) cap f|/|f| so that the sum of the weights is equal to 1. Compute also the volume pefc attached to each edge of the face wvf should be allocated to n_max_vbyc and pefc_vol to n_max_ebyf.

Parameters

[in]	f	id of the face in the cell-wise numbering
[in]	cm	pointer to a cs_cell_mesh_t structure
[in,out]	grd_c	gradient of the Lagrange function related to xc
[in,out]	wvf	pointer to an array storing the weight/vertex
[in,out]	pefc_vol	pointer to an array storing the volume of pefc

cs_compute_fwbs_q3()

double cs_compute_fwbs_q3	(	short int	f,
		const cs_cell_mesh_t *	cm,
		cs_real_3_t	grd_c,
		cs_real_t *	wvf,
		cs_real_t *	pefc_vol
	)

Compute for a face the weight related to each vertex w_{v,f} This weight is equal to |dc(v) cap f|/|f| so that the sum of the weights is equal to 1. Compute also the volume pefc attached to each edge of the face wvf should be allocated to n_max_vbyc and pefc_vol to n_max_ebyf.

Parameters

[in]	f	id of the face in the cell-wise numbering
[in]	cm	pointer to a cs_cell_mesh_t structure
[in,out]	grd_c	gradient of the Lagrange function related to xc
[in,out]	wvf	pointer to an array storing the weight/vertex
[in,out]	pefc_vol	pointer to an array storing the volume of pefc

Returns

the volume of p_{f,c}

cs_compute_grd_ve()

void cs_compute_grd_ve	(	const short int	v1,
		const short int	v2,
		const cs_nvec3_t	deq,
		const cs_real_3_t	uvc[],
		const cs_real_t	lvc[],
		cs_real_t *	grd_v1,
		cs_real_t *	grd_v2
	)

Compute the gradient of a Lagrange hat function related to primal vertices in a p_{ef,c} subvolume of a cell c where e is an edge belonging to the face f with vertices v1 and v2.

Parameters

[in]	v1	number of the first vertex in cell numbering
[in]	v2	number of the second vertex in cell numbering
[in]	deq	dual edge quantities
[in]	uvc	xc --> xv unit tangent vector
[in]	lvc	xc --> xv vector length
[in,out]	grd_v1	gradient of Lagrange function related to v1
[in,out]	grd_v2	gradient of Lagrange function related to v2

cs_compute_grdfc()

static void cs_compute_grdfc ( const short int  f_sgn, const cs_quant_t  pfq, const cs_nvec3_t  deq, cs_real_t *  grd_c  )

inlinestatic

Compute the value of the constant gradient of the Lagrange function attached to xc in p_{f,c} (constant inside this volume)

Parameters

[in]	f_sgn	orientation of the face
[in]	pfq	quantities related to a face
[in]	deq	quantities related a dual edge
[in,out]	grd_c	gradient of the Lagrange function related to xc

cs_compute_inertia_tensor()

void cs_compute_inertia_tensor	(	const cs_cell_mesh_t *	cm,
		const cs_real_t	center[3],
		cs_real_t	inertia[3][3]
	)

Compute the inertial matrix of a cell with respect to the point called "center". This computation is performed exactly thanks to quadrature based on a "tetrahedrization" of the cell.

Parameters

[in]	cm	pointer to a cs_cell_mesh_t structure
[in]	center	coordinates of the cell center
[in,out]	inertia	inertia matrix to compute