cs_cdo_local.h

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#ifndef __CS_CDO_LOCAL_H__
#define __CS_CDO_LOCAL_H__
 
/*============================================================================
 * Functions to handle low-level functions related to CDO local quantities:
 * - local matrices (stored in dense format),
 * - local quantities related to a cell.
 *============================================================================*/
 
/*
  This file is part of code_saturne, a general-purpose CFD tool.
 
  Copyright (C) 1998-2025 EDF S.A.
 
  This program is free software; you can redistribute it and/or modify it under
  the terms of the GNU General Public License as published by the Free Software
  Foundation; either version 2 of the License, or (at your option) any later
  version.
 
  This program is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  details.
 
  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
  Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
 
/*----------------------------------------------------------------------------
 *  Local headers
 *----------------------------------------------------------------------------*/
 
#include "cdo/cs_cdo_connect.h"
#include "cdo/cs_cdo_quantities.h"
#include "cdo/cs_flag.h"
#include "cdo/cs_param_cdo.h"
#include "cdo/cs_sdm.h"
 
/*----------------------------------------------------------------------------*/
 
BEGIN_C_DECLS
 
/*============================================================================
 * Macro definitions
 *============================================================================*/
 
/*============================================================================
 * Type definitions
 *============================================================================*/

 
typedef struct {

 
  cs_real_t     t_pty_eval;
  cs_real_t     t_bc_eval;
  cs_real_t     t_st_eval;
 
  cs_flag_t     cell_flag;    

 
  double        gpty_val;
  double        tpty_val;
  double        rpty_vals[CS_CDO_N_MAX_REACTIONS];
  double        rpty_val;
 
  double *adv_fluxes; 
 
  int          *ids;     
  double       *values;  
  cs_real_3_t  *vectors; 
 
  cs_sdm_t     *loc;
  cs_sdm_t     *aux;

 
} cs_cell_builder_t;

 
typedef struct {
 
  cs_lnum_t   c_id;     
 
  int         n_dofs;   
  cs_lnum_t  *dof_ids;  
  cs_flag_t  *dof_flag; 
 
  cs_sdm_t   *mat;      
  double     *rhs;      
  double     *source;   
  double     *val_n;    
  double     *val_nm1;  

 
  short int   n_bc_faces;  
  short int  *_f_ids;      
  cs_lnum_t  *bf_ids;      
  cs_flag_t  *bf_flag;     
 
  bool        has_dirichlet; 
  double     *dir_values;    
 
  bool        has_nhmg_neumann; 
  double     *neu_values;       
 
  bool        has_robin;      
  double     *rob_values;     
 
  bool        has_sliding;    
 
  bool        has_internal_enforcement; /*<! At least one DoF enforced */
  bool       *dof_is_forced;  

 
} cs_cell_sys_t;

 
typedef struct {
 
  cs_eflag_t     flag;    
  fvm_element_t  type;    
 
  /* Sizes used to allocate buffers */
 
  short int      n_max_vbyc;
  short int      n_max_ebyc;
  short int      n_max_fbyc;
 
  /* Cell information */
 
  cs_lnum_t      c_id;    
  cs_real_3_t    xc;      
  double         vol_c;   
  double         diam_c;  
 
  /* Vertex information */
 
  short int    n_vc;  
  cs_lnum_t   *v_ids; 
  double      *xv;    
  double      *wvc;   
 
  /* Edge information */
 
  short int    n_ec;   
  cs_lnum_t   *e_ids;  
  cs_quant_t  *edge;   
  cs_nvec3_t  *dface;  
  cs_real_t   *pvol_e; 
 
  /* Face information */
 
  short int    n_fc;        
  cs_lnum_t    bface_shift; 
  cs_lnum_t   *f_ids;       
  short int   *f_sgn;       
  double      *f_diam;      
 
  double      *hfc;         
  cs_quant_t  *face;        
  cs_nvec3_t  *dedge;       
  cs_real_t   *pvol_f;      
 
  /* Local e2v connectivity: size 2*n_ec (allocated to 2*n_max_ebyc) */
 
  short int   *e2v_ids;  
  short int   *e2v_sgn;  
 
  /* Local f2v connectivity: size = 2*n_max_ebyc */
 
  short int   *f2v_idx;  
  short int   *f2v_ids;  
 
  /* Local f2e connectivity: size = 2*n_max_ebyc */
  short int   *f2e_idx;  
  short int   *f2e_ids;  
  short int   *f2e_sgn;  
  double      *tef;      
 
  /* Local e2f connectivity: size 2*n_ec (allocated to 2*n_max_ebyc) */
 
  short int   *e2f_ids;  
  cs_nvec3_t  *sefc;     
 
} cs_cell_mesh_t;

 
typedef struct {
 
  short int    n_max_vbyf; 
 
  cs_lnum_t    c_id;    
  cs_real_3_t  xc;      
 
  /* Face information */
 
  cs_lnum_t    f_id;   
  short int    f_sgn;  
  cs_quant_t   face;   
  cs_nvec3_t   dedge;  
  double       pvol;   
  double       hfc;    
 
  /* Vertex information */
 
  short int    n_vf;    
  cs_lnum_t   *v_ids;   
  double      *xv;      
  double      *wvf;     
 
  /* Edge information */
 
  short int    n_ef;    
  cs_lnum_t   *e_ids;   
  cs_quant_t  *edge;    
  double      *tef;     
 
  /* Local e2v connectivity: size 2*n_ec (allocated to 2*n_max_ebyf) */
 
  short int   *e2v_ids;  
 
} cs_face_mesh_t;
 
/*
  A cs_face_mesh_light_t structure is close to a cs_face_mesh_t structure
  There are less members to be buildt quicker.
  Such structure is always associated to a cs_cell_mesh_t structure
*/
 
typedef struct {
 
  short int    n_max_vbyf;  /* Max number of vertices belonging to a face
                               (= n_max_ebyf) */
 
  cs_lnum_t    c_id;    /* id of related cell in the mesh numbering */
  short int    f;       /* id of the face in the cell mesh numbering */
 
  /* Vertex information */
 
  short int    n_vf;    /* local number of vertices on this face */
  short int   *v_ids;   /* vertex ids in the cellwise numbering */
  double      *wvf;     /* weights related to each vertex */
 
  /* Edge information */
 
  short int    n_ef;    /* local number of edges on this face (= n_vf) */
  short int   *e_ids;   /* edge ids in the cellwise numbering */
  double      *tef;     /* area of the triangle of base e and apex xf */
 
} cs_face_mesh_light_t;
 
/*============================================================================
 *  Global variables
 *============================================================================*/
 
/* Pointer of pointers to global structures */
 
extern cs_cell_mesh_t        **cs_cdo_local_cell_meshes;
extern cs_face_mesh_t        **cs_cdo_local_face_meshes;
extern cs_face_mesh_light_t  **cs_cdo_local_face_meshes_light;
 
/*============================================================================
 * Static inline function prototypes
 *============================================================================*/
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
static inline bool
cs_cell_has_boundary_elements(const cs_cell_builder_t  *const cb)
{
  if ((cb->cell_flag & (CS_FLAG_BOUNDARY_CELL_BY_FACE   |
                        CS_FLAG_BOUNDARY_CELL_BY_VERTEX |
                        CS_FLAG_BOUNDARY_CELL_BY_EDGE)) > 0)
    return true;
  else
    return false;
}
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
static inline short int
cs_cell_mesh_get_v(const cs_lnum_t              v_id,
                   const cs_cell_mesh_t  *const cm)
{
  if (cm == NULL)
    return -1;
  for (short int v = 0; v < cm->n_vc; v++)
    if (cm->v_ids[v] == v_id)
      return v;
  return -1;
}
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
static inline short int
cs_cell_mesh_get_e(const cs_lnum_t              e_id,
                   const cs_cell_mesh_t  *const cm)
{
  if (cm == NULL)
    return -1;
  for (short int e = 0; e < cm->n_ec; e++)
    if (cm->e_ids[e] == e_id)
      return e;
  return -1;
}
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
static inline short int
cs_cell_mesh_get_f(const cs_lnum_t              f_id,
                   const cs_cell_mesh_t  *const cm)
{
  if (cm == NULL)
    return -1;
  for (short int f = 0; f < cm->n_fc; f++)
    if (cm->f_ids[f] == f_id)
      return f;
  return -1;
}
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
static inline void
cs_cell_mesh_get_f2v(short int                    f,
                     const cs_cell_mesh_t        *cm,
                     short int                   *n_vf,
                     short int                   *v_ids)
{
  /* Reset */
 
  *n_vf = 0;
  for (short int v = 0; v < cm->n_vc; v++) v_ids[v] = -1;
 
  /* Tag vertices belonging to the current face f */
 
  for (short int i = cm->f2e_idx[f]; i < cm->f2e_idx[f+1]; i++) {
 
    const short int  *e2v = cm->e2v_ids + 2*cm->f2e_ids[i];
    v_ids[e2v[0]] = 1;
    v_ids[e2v[1]] = 1;
 
  } /* Loop on face edges */
 
  for (short int v = 0; v < cm->n_vc; v++) {
    if (v_ids[v] > 0)
      v_ids[*n_vf] = v, *n_vf += 1;
  }
}
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
static inline void
cs_cell_mesh_get_next_3_vertices(const short int   *f2e_ids,
                                 const short int   *e2v_ids,
                                 short int         *v0,
                                 short int         *v1,
                                 short int         *v2)
{
  const short int e0  = f2e_ids[0];
  const short int e1  = f2e_ids[1];
  const short int tmp = e2v_ids[2*e1];
 
  *v0 = e2v_ids[2*e0];
  *v1 = e2v_ids[2*e0+1];
  *v2 = ((tmp != *v0) && (tmp != *v1)) ? tmp : e2v_ids[2*e1+1];
}
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
static inline bool
cs_cell_mesh_is_boundary_face(const cs_cell_mesh_t    *cm,
                              const short int          f)
{
  if (cm->f_ids[f] - cm->bface_shift > -1)
    return true;
  else
    return false;
}
 
/*============================================================================
 * Public function prototypes
 *============================================================================*/
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_cdo_local_initialize(const cs_cdo_connect_t     *connect);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_cdo_local_finalize(void);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
cs_cell_sys_t *
cs_cell_sys_create(int    n_max_dofbyc,
                   int    n_max_fbyc,
                   int    n_blocks,
                   int   *block_sizes);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_cell_sys_reset(int              n_fbyc,
                  cs_cell_sys_t   *csys);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_cell_sys_free(cs_cell_sys_t     **p_csys);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_cell_sys_dump(const char              msg[],
                 const cs_cell_sys_t    *csys);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
cs_cell_builder_t *
cs_cell_builder_create(void);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_cell_builder_free(cs_cell_builder_t     **p_cb);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
cs_cell_mesh_t *
cs_cell_mesh_create(const cs_cdo_connect_t   *connect);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
cs_cell_mesh_t *
cs_cdo_local_get_cell_mesh(int    mesh_id);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_cell_mesh_reset(cs_cell_mesh_t   *cm);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_cell_mesh_dump(const cs_cell_mesh_t     *cm);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_cell_mesh_free(cs_cell_mesh_t     **p_cm);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_cell_mesh_build(cs_lnum_t                    c_id,
                   cs_eflag_t                   build_flag,
                   const cs_cdo_connect_t      *connect,
                   const cs_cdo_quantities_t   *quant,
                   cs_cell_mesh_t              *cm);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
cs_face_mesh_t *
cs_face_mesh_create(short int   n_max_vbyf);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
cs_face_mesh_t *
cs_cdo_local_get_face_mesh(int    mesh_id);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_face_mesh_free(cs_face_mesh_t     **p_fm);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_face_mesh_build(cs_lnum_t                    c_id,
                   cs_lnum_t                    f_id,
                   const cs_cdo_connect_t      *connect,
                   const cs_cdo_quantities_t   *quant,
                   cs_face_mesh_t              *fm);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_face_mesh_build_from_cell_mesh(const cs_cell_mesh_t    *cm,
                                  short int                f,
                                  cs_face_mesh_t          *fm);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
cs_face_mesh_light_t *
cs_face_mesh_light_create(short int   n_max_vbyf,
                          short int   n_max_vbyc);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
cs_face_mesh_light_t *
cs_cdo_local_get_face_mesh_light(int    mesh_id);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_face_mesh_light_free(cs_face_mesh_light_t     **p_fm);
 
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
 
void
cs_face_mesh_light_build(const cs_cell_mesh_t    *cm,
                         short int                f,
                         cs_face_mesh_light_t    *fm);
 
/*----------------------------------------------------------------------------*/
 
END_C_DECLS
 
#endif /* __CS_CDO_LOCAL_H__ */