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cs_equation.h
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1 #ifndef __CS_EQUATION_H__
2 #define __CS_EQUATION_H__
3 
4 /*============================================================================
5  * Functions to handle the cs_equation_t structure and its related structures
6  *============================================================================*/
7 
8 /*
9  This file is part of code_saturne, a general-purpose CFD tool.
10 
11  Copyright (C) 1998-2024 EDF S.A.
12 
13  This program is free software; you can redistribute it and/or modify it under
14  the terms of the GNU General Public License as published by the Free Software
15  Foundation; either version 2 of the License, or (at your option) any later
16  version.
17 
18  This program is distributed in the hope that it will be useful, but WITHOUT
19  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
20  FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
21  details.
22 
23  You should have received a copy of the GNU General Public License along with
24  this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
25  Street, Fifth Floor, Boston, MA 02110-1301, USA.
26 */
27 
28 /*----------------------------------------------------------------------------
29  * Local headers
30  *----------------------------------------------------------------------------*/
31 
32 #include "cs_cdo_connect.h"
33 #include "cs_cdo_quantities.h"
34 #include "cs_cdo_toolbox.h"
35 #include "cs_equation_param.h"
36 #include "cs_equation_builder.h"
37 #include "cs_field.h"
38 #include "cs_mesh.h"
39 #include "cs_restart.h"
40 #include "cs_time_step.h"
41 
42 /*----------------------------------------------------------------------------*/
43 
45 
46 /*============================================================================
47  * Macro definitions
48  *============================================================================*/
49 
50 /*============================================================================
51  * Type definitions
52  *============================================================================*/
53 
54 typedef struct _cs_equation_t cs_equation_t;
55 
82 typedef struct {
83 
87 
89 
90 /*============================================================================
91  * Public function prototypes
92  *============================================================================*/
93 
94 /*----------------------------------------------------------------------------*/
100 /*----------------------------------------------------------------------------*/
101 
102 int
104 
105 /*----------------------------------------------------------------------------*/
114 /*----------------------------------------------------------------------------*/
115 
117 cs_equation_by_name(const char *eqname);
118 
119 /*----------------------------------------------------------------------------*/
128 /*----------------------------------------------------------------------------*/
129 
131 cs_equation_by_field_name(const char *field_name);
132 
133 /*----------------------------------------------------------------------------*/
144 /*----------------------------------------------------------------------------*/
145 
146 bool
148  const char *fld_name);
149 
150 /*----------------------------------------------------------------------------*/
163 /*----------------------------------------------------------------------------*/
164 
166 cs_equation_param_by_name(const char *eqname);
167 
168 /*----------------------------------------------------------------------------*/
178 /*----------------------------------------------------------------------------*/
179 
181 cs_equation_param_by_field_name(const char *field_name);
182 
183 /*----------------------------------------------------------------------------*/
192 /*----------------------------------------------------------------------------*/
193 
196 
197 /*----------------------------------------------------------------------------*/
206 /*----------------------------------------------------------------------------*/
207 
209 cs_equation_by_id(int eq_id);
210 
211 /*----------------------------------------------------------------------------*/
219 /*----------------------------------------------------------------------------*/
220 
221 const char *
223 
224 /*----------------------------------------------------------------------------*/
232 /*----------------------------------------------------------------------------*/
233 
234 int
236 
237 /*----------------------------------------------------------------------------*/
245 /*----------------------------------------------------------------------------*/
246 
247 cs_field_t *
249 
250 /*----------------------------------------------------------------------------*/
259 /*----------------------------------------------------------------------------*/
260 
261 int
263 
264 /*----------------------------------------------------------------------------*/
275 /*----------------------------------------------------------------------------*/
276 
277 const cs_range_set_t *
279 
280 /*----------------------------------------------------------------------------*/
290 /*----------------------------------------------------------------------------*/
291 
292 cs_gnum_t
294  const cs_cdo_quantities_t *cdoq);
295 
296 /*----------------------------------------------------------------------------*/
305 /*----------------------------------------------------------------------------*/
306 
307 cs_field_t *
309 
310 /*----------------------------------------------------------------------------*/
318 /*----------------------------------------------------------------------------*/
319 
320 cs_flag_t
322 
323 /*----------------------------------------------------------------------------*/
330 /*----------------------------------------------------------------------------*/
331 
332 void
334  cs_flag_t flag);
335 
336 /*----------------------------------------------------------------------------*/
347 /*----------------------------------------------------------------------------*/
348 
349 void
351  void *context,
353 
354 /*----------------------------------------------------------------------------*/
363 /*----------------------------------------------------------------------------*/
364 
367 
368 /*----------------------------------------------------------------------------*/
377 /*----------------------------------------------------------------------------*/
378 
379 void *
381 
382 /*----------------------------------------------------------------------------*/
391 /*----------------------------------------------------------------------------*/
392 
395 
396 /*----------------------------------------------------------------------------*/
406 /*----------------------------------------------------------------------------*/
407 
408 cs_real_t *
410 
411 /*----------------------------------------------------------------------------*/
419 /*----------------------------------------------------------------------------*/
420 
421 bool
423 
424 /*----------------------------------------------------------------------------*/
433 /*----------------------------------------------------------------------------*/
434 
435 bool
437 
438 /*----------------------------------------------------------------------------*/
450 /*----------------------------------------------------------------------------*/
451 
453 cs_equation_add(const char *eqname,
454  const char *varname,
455  cs_equation_type_t eqtype,
456  int dim,
457  cs_param_bc_type_t default_bc);
458 
459 /*----------------------------------------------------------------------------*/
470 /*----------------------------------------------------------------------------*/
471 
473 cs_equation_add_user(const char *eqname,
474  const char *varname,
475  int dim,
476  cs_param_bc_type_t default_bc);
477 
478 /*----------------------------------------------------------------------------*/
495 /*----------------------------------------------------------------------------*/
496 
498 cs_equation_add_user_tracer(const char *eqname,
499  const char *varname,
500  int dim,
501  cs_param_bc_type_t default_bc,
502  cs_property_t *time_pty,
503  cs_adv_field_t *adv,
504  cs_property_t *diff_pty);
505 /*----------------------------------------------------------------------------*/
509 /*----------------------------------------------------------------------------*/
510 
511 void
513 
514 /*----------------------------------------------------------------------------*/
521 /*----------------------------------------------------------------------------*/
522 
523 bool
525 
526 /*----------------------------------------------------------------------------*/
531 /*----------------------------------------------------------------------------*/
532 
533 void
535 
536 /*----------------------------------------------------------------------------*/
544 /*----------------------------------------------------------------------------*/
545 
546 void
547 cs_equation_get_count(int *n_equations,
548  int *n_predef_equations,
549  int *n_user_equations);
550 
551 /*----------------------------------------------------------------------------*/
555 /*----------------------------------------------------------------------------*/
556 
557 void
559 
560 /*----------------------------------------------------------------------------*/
567 /*----------------------------------------------------------------------------*/
568 
569 void
571  const char *keyval);
572 
573 /*----------------------------------------------------------------------------*/
577 /*----------------------------------------------------------------------------*/
578 
579 void
581 
582 /*----------------------------------------------------------------------------*/
598 /*----------------------------------------------------------------------------*/
599 
600 void
602  const cs_cdo_connect_t *connect,
603  const cs_cdo_quantities_t *cdoq,
604  const cs_time_step_t *time_step,
605  cs_flag_t cb_scheme_flag,
606  cs_flag_t eb_scheme_flag,
607  cs_flag_t fb_scheme_flag,
608  cs_flag_t vb_scheme_flag,
609  cs_flag_t vcb_scheme_flag,
610  cs_flag_t hho_scheme_flag);
611 
612 /*----------------------------------------------------------------------------*/
623 /*----------------------------------------------------------------------------*/
624 
625 void
627  cs_flag_t eb_scheme_flag,
628  cs_flag_t fb_scheme_flag,
629  cs_flag_t vb_scheme_flag,
630  cs_flag_t vcb_scheme_flag,
631  cs_flag_t hho_scheme_flag);
632 
633 /*----------------------------------------------------------------------------*/
642 /*----------------------------------------------------------------------------*/
643 
644 bool
646 
647 /*----------------------------------------------------------------------------*/
652 /*----------------------------------------------------------------------------*/
653 
654 void
656 
657 /*----------------------------------------------------------------------------*/
673 /*----------------------------------------------------------------------------*/
674 
675 void
677  cs_equation_t *eq);
678 
679 /*----------------------------------------------------------------------------*/
683 /*----------------------------------------------------------------------------*/
684 
685 void
687 
688 /*----------------------------------------------------------------------------*/
694 /*----------------------------------------------------------------------------*/
695 
696 void
698 
699 /*----------------------------------------------------------------------------*/
703 /*----------------------------------------------------------------------------*/
704 
705 void
707 
708 /*----------------------------------------------------------------------------*/
716 /*----------------------------------------------------------------------------*/
717 
718 void
720  cs_equation_core_t **p_core);
721 
722 /*----------------------------------------------------------------------------*/
730 /*----------------------------------------------------------------------------*/
731 
732 void
734  const cs_time_step_t *ts);
735 
736 /*----------------------------------------------------------------------------*/
744 /*----------------------------------------------------------------------------*/
745 
746 void
748  cs_equation_t *eq);
749 
750 /*----------------------------------------------------------------------------*/
759 /*----------------------------------------------------------------------------*/
760 
761 void
762 cs_equation_solve(bool cur2prev,
763  const cs_mesh_t *mesh,
764  cs_equation_t *eq);
765 
766 /*----------------------------------------------------------------------------*/
774 /*----------------------------------------------------------------------------*/
775 
776 void
777 cs_equation_solve_steady_state_wrapper(const char *eqname);
778 
779 /*----------------------------------------------------------------------------*/
788 /*----------------------------------------------------------------------------*/
789 
790 void
791 cs_equation_solve_wrapper(bool cur2prev,
792  const char *eqname);
793 
794 /*----------------------------------------------------------------------------*/
802 /*----------------------------------------------------------------------------*/
803 
804 void
806  cs_equation_t *eq);
807 
808 /*----------------------------------------------------------------------------*/
815 /*----------------------------------------------------------------------------*/
816 
817 void
819 
820 /*----------------------------------------------------------------------------*/
829 /*----------------------------------------------------------------------------*/
830 
833 
834 /*----------------------------------------------------------------------------*/
843 /*----------------------------------------------------------------------------*/
844 
847 
848 /*----------------------------------------------------------------------------*/
859 /*----------------------------------------------------------------------------*/
860 
863  const int reaction_id);
864 
865 /*----------------------------------------------------------------------------*/
874 /*----------------------------------------------------------------------------*/
875 
878 
879 /*----------------------------------------------------------------------------*/
889 /*----------------------------------------------------------------------------*/
890 
891 cs_real_t
893 
894 /*----------------------------------------------------------------------------*/
903 /*----------------------------------------------------------------------------*/
904 
907 
908 /*----------------------------------------------------------------------------*/
917 /*----------------------------------------------------------------------------*/
918 
919 int
921 
922 /*----------------------------------------------------------------------------*/
930 /*----------------------------------------------------------------------------*/
931 
932 int
934 
935 /*----------------------------------------------------------------------------*/
943 /*----------------------------------------------------------------------------*/
944 
947 
948 /*----------------------------------------------------------------------------*/
958 /*----------------------------------------------------------------------------*/
959 
960 double
962  const cs_equation_t *eq);
963 
964 /*----------------------------------------------------------------------------*/
972 /*----------------------------------------------------------------------------*/
973 
974 void
976 
977 /*----------------------------------------------------------------------------*/
986 /*----------------------------------------------------------------------------*/
987 
988 void
990  cs_cell_sys_t **csys,
991  cs_cell_builder_t **cb);
992 
993 /*----------------------------------------------------------------------------*/
1003 /*----------------------------------------------------------------------------*/
1004 
1005 cs_real_t *
1007  bool previous);
1008 
1009 /*----------------------------------------------------------------------------*/
1019 /*----------------------------------------------------------------------------*/
1020 
1021 cs_real_t *
1023  bool previous);
1024 
1025 /*----------------------------------------------------------------------------*/
1035 /*----------------------------------------------------------------------------*/
1036 
1037 cs_real_t *
1039  bool previous);
1040 
1041 /*----------------------------------------------------------------------------*/
1051 /*----------------------------------------------------------------------------*/
1052 
1053 cs_real_t *
1055  bool previous);
1056 
1057 /*----------------------------------------------------------------------------*/
1069 /*----------------------------------------------------------------------------*/
1070 
1071 void
1073  const cs_cdo_quantities_t *cdoq,
1074  const cs_equation_t *eq,
1075  cs_real_t *result);
1076 
1077 /*----------------------------------------------------------------------------*/
1088 /*----------------------------------------------------------------------------*/
1089 
1090 void
1092  const cs_equation_t *eq,
1093  cs_real_t *diff_flux);
1094 
1095 /*----------------------------------------------------------------------------*/
1106 /*----------------------------------------------------------------------------*/
1107 
1108 void
1110  const char *ml_name,
1111  const cs_real_3_t direction,
1112  cs_real_t *diff_flux,
1113  cs_real_t *conv_flux);
1114 
1115 /*----------------------------------------------------------------------------*/
1154 /*----------------------------------------------------------------------------*/
1155 
1156 void
1158  const cs_equation_param_t *eqp,
1159  const cs_property_t *diff_pty,
1160  const cs_real_t *dof_vals,
1161  const cs_real_t *cell_vals,
1162  cs_flag_t location,
1163  cs_real_t t_eval,
1164  cs_real_t *diff_flux);
1165 
1166 /*----------------------------------------------------------------------------*/
1173 /*----------------------------------------------------------------------------*/
1174 
1175 void
1177  cs_real_t *v_gradient);
1178 
1179 /*----------------------------------------------------------------------------*/
1188 /*----------------------------------------------------------------------------*/
1189 
1190 void
1192  const cs_time_step_t *ts,
1193  cs_real_t peclet[]);
1194 
1195 /*----------------------------------------------------------------------------*/
1202 /*----------------------------------------------------------------------------*/
1203 
1204 void
1206 
1207 /*----------------------------------------------------------------------------*/
1214 /*----------------------------------------------------------------------------*/
1215 
1216 void
1218 
1219 /*----------------------------------------------------------------------------*/
1228 /*----------------------------------------------------------------------------*/
1229 
1230 void
1232  const cs_cdo_connect_t *connect,
1233  const cs_cdo_quantities_t *cdoq,
1234  const cs_time_step_t *ts);
1235 
1236 /*----------------------------------------------------------------------------*/
1248 /*----------------------------------------------------------------------------*/
1249 
1250 void
1252  const cs_property_t *property,
1253  const cs_real_t *pot,
1254  cs_flag_t loc_res,
1255  cs_real_t *res);
1256 
1257 /*----------------------------------------------------------------------------*/
1262 /*----------------------------------------------------------------------------*/
1263 
1264 void
1266 
1267 /*----------------------------------------------------------------------------*/
1268 
1270 
1271 #endif /* __CS_EQUATION_H__ */
#define BEGIN_C_DECLS
Definition: cs_defs.h:528
double cs_real_t
Floating-point value.
Definition: cs_defs.h:332
cs_real_t cs_real_3_t[3]
vector of 3 floating-point values
Definition: cs_defs.h:347
unsigned long cs_gnum_t
global mesh entity number
Definition: cs_defs.h:310
#define END_C_DECLS
Definition: cs_defs.h:529
unsigned short int cs_flag_t
Definition: cs_defs.h:334
void cs_equation_add_build_hook(cs_equation_t *eq, void *context, cs_equation_build_hook_t *func)
Add a hook function to enable an advanced control during the cellwise system building....
Definition: cs_equation.c:1373
cs_equation_t * cs_equation_by_name(const char *eqname)
Find the cs_equation_t structure with name eqname Return NULL if not find.
Definition: cs_equation.c:517
void cs_equation_define_builders(const cs_mesh_t *mesh)
Allocate and define the builder structure.
Definition: cs_equation.c:2708
void cs_equation_predefined_create_field(int n_previous, cs_equation_t *eq)
Create a field structure related to the predefined equation given as parameter. This includes an equa...
Definition: cs_equation.c:2652
cs_property_t * cs_equation_get_reaction_property(const cs_equation_t *eq, const int reaction_id)
Return a pointer to the cs_property_t structure associated to the reaction term with id equal to reac...
Definition: cs_equation.c:1091
cs_equation_core_t cs_equation_get_core_structure(const cs_equation_t *eq)
Return a pointer to a structure useful to handle low-level operations for the given equation.
Definition: cs_equation.c:964
cs_real_t * cs_equation_get_cell_values(const cs_equation_t *eq, bool previous)
For a given equation, retrieve an array of values related to each cell of the mesh for the unknowns.
Definition: cs_equation.c:3199
void cs_equation_lock_settings(void)
After this call, parameters related to an equation are set once for all.
Definition: cs_equation.c:2607
void cs_equation_extra_post(void)
Predefined extra-operations related to equations according to the type of numerical scheme (for the s...
Definition: cs_equation.c:4137
cs_equation_t * cs_equation_add(const char *eqname, const char *varname, cs_equation_type_t eqtype, int dim, cs_param_bc_type_t default_bc)
Add a new equation structure and set a first set of parameters.
Definition: cs_equation.c:1477
cs_equation_t * cs_equation_by_field_name(const char *field_name)
Return the pointer to a cs_equation_t structure thanks to the field name of the variable field associ...
Definition: cs_equation.c:551
cs_equation_t * cs_equation_add_user(const char *eqname, const char *varname, int dim, cs_param_bc_type_t default_bc)
Add a new user equation structure and set a first set of parameters.
Definition: cs_equation.c:1607
void cs_equation_write_extra_restart(cs_restart_t *restart)
Write into the restart file additionnal arrays (not defined as fields) but useful for the checkpoint/...
Definition: cs_equation.c:3937
void cs_equation_finalize_sharing(cs_flag_t cb_scheme_flag, cs_flag_t eb_scheme_flag, cs_flag_t fb_scheme_flag, cs_flag_t vb_scheme_flag, cs_flag_t vcb_scheme_flag, cs_flag_t hho_scheme_flag)
Free shared local structures among the discretization schemes.
Definition: cs_equation.c:2018
void cs_equation_post_balance(const cs_mesh_t *mesh, const cs_cdo_connect_t *connect, const cs_cdo_quantities_t *cdoq, const cs_time_step_t *ts)
Predefined extra-operations related to all equations.
Definition: cs_equation.c:3962
void cs_equation_set_default_param(cs_equation_key_t key, const char *keyval)
Set a parameter attached to a keyname for the default settigns.
Definition: cs_equation.c:1865
bool cs_equation_set_functions(void)
Assign a set of pointer functions for managing the cs_equation_t structure during the computation Aft...
Definition: cs_equation.c:2065
void cs_equation_read_extra_restart(cs_restart_t *restart)
Write into the restart file additionnal arrays (not defined as fields) but useful for the checkpoint/...
Definition: cs_equation.c:3914
void cs_equation_set_sles(void)
Setup the linear algebra requirements.
Definition: cs_equation.c:1895
void cs_equation_solve(bool cur2prev, const cs_mesh_t *mesh, cs_equation_t *eq)
Build and then solve the linear system for an equation with an unsteady term.
Definition: cs_equation.c:3031
void cs_equation_set_flag(cs_equation_t *eq, cs_flag_t flag)
Redefine the flag associated to an equation.
Definition: cs_equation.c:1349
int cs_equation_get_space_poly_degree(const cs_equation_t *eq)
Return the max. degree used in the polynomial basis for the space discretization.
Definition: cs_equation.c:1209
bool cs_equation_needs_steady_state_solve(void)
Check if a steady-state computation is requested according to the setting.
Definition: cs_equation.c:1739
void cs_equation_solve_steady_state(const cs_mesh_t *mesh, cs_equation_t *eq)
Build and then solve the linear system for this equation when the goal is to find the steady state.
Definition: cs_equation.c:2995
cs_real_t * cs_equation_get_face_values(const cs_equation_t *eq, bool previous)
For a given equation, retrieve an array of values related to each face of the mesh for the unknowns.
Definition: cs_equation.c:3225
cs_flag_t cs_equation_get_flag(const cs_equation_t *eq)
Return the flag associated to an equation.
Definition: cs_equation.c:1327
cs_param_time_scheme_t cs_equation_get_time_scheme(const cs_equation_t *eq)
Return the type of numerical scheme used for the discretization in time.
Definition: cs_equation.c:1116
cs_real_t * cs_equation_get_source_term_array(const cs_equation_t *eq)
Return a pointer to an array of values corresponding to the values of the source terms (cumulated val...
Definition: cs_equation.c:993
cs_param_space_scheme_t cs_equation_get_space_scheme(const cs_equation_t *eq)
Return the type of numerical scheme used for the discretization in space.
Definition: cs_equation.c:1187
void cs_equation_get_count(int *n_equations, int *n_predef_equations, int *n_user_equations)
Get the count of equations of each macro type.
Definition: cs_equation.c:1813
bool cs_equation_uses_new_mechanism(const cs_equation_t *eq)
Return true is the given equation follows the new mechanism otherwise false.
Definition: cs_equation.c:1439
cs_real_t * cs_equation_get_edge_values(const cs_equation_t *eq, bool previous)
For a given equation, retrieve an array of values related to each edge of the mesh for the unknowns.
Definition: cs_equation.c:3251
void cs_equation_define_context_structures(void)
Allocate and define the context structure associated to each equation.
Definition: cs_equation.c:2737
cs_field_t * cs_equation_get_boundary_flux(const cs_equation_t *eq)
Return the field structure for the (normal) boundary flux associated to a cs_equation_t structure.
Definition: cs_equation.c:902
void cs_equation_log_monitoring(void)
Print a synthesis of the monitoring information in the performance file.
Definition: cs_equation.c:1761
cs_equation_param_t * cs_equation_param_by_name(const char *eqname)
Return the cs_equation_param_t structure associated to a cs_equation_t structure based on the equatio...
Definition: cs_equation.c:615
void cs_equation_define_core_structure(const cs_equation_t *eq, cs_equation_core_t **p_core)
Build a pointer to a core structure. If the input core structure is not allocated,...
Definition: cs_equation.c:2784
cs_equation_t * cs_equation_by_id(int eq_id)
Find the cs_equation_t structure with id eq_id Return NULL if not find.
Definition: cs_equation.c:694
cs_property_t * cs_equation_get_diffusion_property(const cs_equation_t *eq)
Return a pointer to the cs_property_t structure associated to the diffusion term for this equation (N...
Definition: cs_equation.c:1045
cs_equation_param_t * cs_equation_get_param(const cs_equation_t *eq)
Return the cs_equation_param_t structure associated to a cs_equation_t structure.
Definition: cs_equation.c:674
cs_equation_builder_t * cs_equation_get_builder(const cs_equation_t *eq)
Return the cs_equation_builder_t structure associated to a cs_equation_t structure....
Definition: cs_equation.c:924
void cs_equation_compute_vtx_field_gradient(const cs_equation_t *eq, cs_real_t *v_gradient)
Cellwise computation of the discrete gradient at vertices.
Definition: cs_equation.c:3824
cs_real_t * cs_equation_get_vertex_values(const cs_equation_t *eq, bool previous)
For a given equation, retrieve an array of values related to each vertex of the mesh for the unknowns...
Definition: cs_equation.c:3277
cs_equation_param_t * cs_equation_param_by_field_name(const char *field_name)
Return the cs_equation_param_t structure related to a cs_equation_t structure thanks to the field nam...
Definition: cs_equation.c:649
void cs_equation_init_field_values(const cs_mesh_t *mesh, const cs_time_step_t *ts)
Set the initialize condition to all variable fields associated to each cs_equation_t structure.
Definition: cs_equation.c:2813
void cs_equation_init_sharing(const cs_mesh_t *mesh, const cs_cdo_connect_t *connect, const cs_cdo_quantities_t *cdoq, const cs_time_step_t *time_step, cs_flag_t cb_scheme_flag, cs_flag_t eb_scheme_flag, cs_flag_t fb_scheme_flag, cs_flag_t vb_scheme_flag, cs_flag_t vcb_scheme_flag, cs_flag_t hho_scheme_flag)
Set shared pointers to the main structures. Associate these structures among the activated class of d...
Definition: cs_equation.c:1939
void cs_equation_solve_wrapper(bool cur2prev, const char *eqname)
Build and then solve the linear system for an equation with an unsteady term. This is wrapper for the...
Definition: cs_equation.c:3106
cs_gnum_t cs_equation_get_global_n_dofs(const cs_equation_t *eq, const cs_cdo_quantities_t *cdoq)
Return the global number of degrees of freedom associated to this cs_equation_t structure.
Definition: cs_equation.c:830
cs_property_t * cs_equation_get_time_property(const cs_equation_t *eq)
Return a pointer to the cs_property_t structure associated to the unsteady term for this equation (NU...
Definition: cs_equation.c:1067
void cs_equation_compute_diffusive_flux(const cs_equation_t *eq, const cs_equation_param_t *eqp, const cs_property_t *diff_pty, const cs_real_t *dof_vals, const cs_real_t *cell_vals, cs_flag_t location, cs_real_t t_eval, cs_real_t *diff_flux)
Computation of the diffusive flux across the requested location. If the location is not the "natural"...
Definition: cs_equation.c:3608
bool cs_equation_is_steady(const cs_equation_t *eq)
Return true is the given equation is steady otherwise false.
Definition: cs_equation.c:1414
bool cs_equation_has_field_name(const cs_equation_t *eq, const char *fld_name)
Check if the asociated field to a cs_equation_t structure has name equal to fld_name.
Definition: cs_equation.c:583
void cs_equation_compute_boundary_diff_flux(cs_real_t t_eval, const cs_equation_t *eq, cs_real_t *diff_flux)
Compute the diffusive flux across all boundary faces According to the space discretization scheme,...
Definition: cs_equation.c:3420
void cs_equation_compute_flux_across_plane(const cs_equation_t *eq, const char *ml_name, const cs_real_3_t direction, cs_real_t *diff_flux, cs_real_t *conv_flux)
Compute the diffusive and convective flux across a plane defined by a mesh location structure attache...
Definition: cs_equation.c:3505
void cs_equation_current_to_previous(const cs_equation_t *eq)
Apply the current to previous to all fields (and potentially arrays) related to an equation....
Definition: cs_equation.c:3143
void cs_equation_integrate_variable(const cs_cdo_connect_t *connect, const cs_cdo_quantities_t *cdoq, const cs_equation_t *eq, cs_real_t *result)
Compute the integral over the domain of the variable field associated to the given equation....
Definition: cs_equation.c:3305
void cs_equation_build_system(const cs_mesh_t *mesh, cs_equation_t *eq)
Build the linear system for this equation (deprecated). Only for HHO schemes.
Definition: cs_equation.c:2865
void cs_equation_apply_stiffness(cs_equation_t *eq, const cs_property_t *property, const cs_real_t *pot, cs_flag_t loc_res, cs_real_t *res)
Compute the cellwise stiffness matrix associated to the property given as a parameter and apply it to...
Definition: cs_equation.c:4090
void cs_equation_destroy_all(void)
Destroy all cs_equation_t structures.
Definition: cs_equation.c:1692
const char * cs_equation_get_name(const cs_equation_t *eq)
Return the name related to the given cs_equation_t structure.
Definition: cs_equation.c:714
cs_field_t * cs_equation_get_field(const cs_equation_t *eq)
Return the field structure associated to a cs_equation_t structure.
Definition: cs_equation.c:754
void cs_equation_get_cellwise_builders(const cs_equation_t *eq, cs_cell_sys_t **csys, cs_cell_builder_t **cb)
For a given equation, retrieve the related cellwise builder structures: cs_cell_builder_t and cs_cell...
Definition: cs_equation.c:3172
void cs_equation_log_setup(void)
Summarize all cs_equation_t structures.
Definition: cs_equation.c:1829
void cs_equation_user_create_fields(void)
Create a field structure related to all user-defined equations.
Definition: cs_equation.c:2679
cs_real_t cs_equation_get_theta_time_val(const cs_equation_t *eq)
Return the value of the theta parameter in theta time scheme discretization.
Definition: cs_equation.c:1139
void * cs_equation_get_scheme_context(const cs_equation_t *eq)
Return a pointer to a structure useful to handle low-level operations for the given equation.
Definition: cs_equation.c:944
int cs_equation_get_id(const cs_equation_t *eq)
Return the id number related to the given cs_equation_t structure.
Definition: cs_equation.c:734
cs_equation_type_t cs_equation_get_type(const cs_equation_t *eq)
Return the type of equation for the given equation structure.
Definition: cs_equation.c:1251
cs_equation_t * cs_equation_add_user_tracer(const char *eqname, const char *varname, int dim, cs_param_bc_type_t default_bc, cs_property_t *time_pty, cs_adv_field_t *adv, cs_property_t *diff_pty)
Add a new user transport equation and set a first set of parameters If time_pty is NULL,...
Definition: cs_equation.c:1656
void cs_equation_solve_steady_state_wrapper(const char *eqname)
Build and then solve the linear system for a steady-state equation. This is wrapper for the FORTRAN i...
Definition: cs_equation.c:3068
double cs_equation_get_time_eval(const cs_time_step_t *ts, const cs_equation_t *eq)
Estimate the time at which the evaluation of properties related to the different terms of an equation...
Definition: cs_equation.c:1274
int cs_equation_get_field_id(const cs_equation_t *eq)
Return the id related to the variable field structure associated to the cs_equation_t structure.
Definition: cs_equation.c:774
const cs_range_set_t * cs_equation_get_range_set(const cs_equation_t *eq)
Return the range set structure associated to a cs_equation_t structure. One assumes that there is onl...
Definition: cs_equation.c:796
int cs_equation_get_var_dim(const cs_equation_t *eq)
Return the dimension of the variable solved by this equation.
Definition: cs_equation.c:1230
int cs_equation_get_n_equations(void)
Retrieve the number of equations.
Definition: cs_equation.c:500
void cs_equation_compute_peclet(const cs_equation_t *eq, const cs_time_step_t *ts, cs_real_t peclet[])
Compute and post-process Peclet number if requested.
Definition: cs_equation.c:3864
void cs_equation_solve_deprecated(cs_equation_t *eq)
Solve the linear system for this equation (deprecated). Only for HHO schemes.
Definition: cs_equation.c:2893
void() cs_equation_build_hook_t(const cs_equation_param_t *eqp, const cs_equation_builder_t *eqb, const void *eqc, const cs_cell_mesh_t *cm, void *context, cs_hodge_t *mass_hodge, cs_hodge_t *diff_hodge, cs_cell_sys_t *csys, cs_cell_builder_t *cb)
Generic function prototype for a hook during the cellwise building of the linear system Enable an adv...
Definition: cs_equation_builder.h:76
cs_equation_key_t
List of available keys for setting the parameters of an equation.
Definition: cs_equation_param.h:1184
cs_equation_type_t
Type of equations managed by the solver.
Definition: cs_equation_param.h:172
cs_param_space_scheme_t
Type of numerical scheme for the discretization in space.
Definition: cs_param_types.h:211
cs_param_bc_type_t
Definition: cs_param_types.h:476
cs_param_time_scheme_t
Definition: cs_param_types.h:274
struct _cs_restart_t cs_restart_t
Definition: cs_restart.h:95
Definition: mesh.f90:26
Definition: cs_equation_priv.h:321
Definition: cs_advection_field.h:150
Definition: cs_cdo_connect.h:61
Definition: cs_cdo_quantities.h:137
Set of local and temporary buffers.
Definition: cs_cdo_local.h:60
Set of arrays and local (small) dense matrices related to a mesh cell This is a key structure for bui...
Definition: cs_cdo_local.h:147
Store common elements used when building an algebraic system related to an equation.
Main structures on which an equation structure relies.
Definition: cs_equation.h:82
void * scheme_context
Definition: cs_equation.h:86
cs_equation_builder_t * builder
Definition: cs_equation.h:85
cs_equation_param_t * param
Definition: cs_equation.h:84
Set of parameters to handle an unsteady convection-diffusion-reaction equation with term sources.
Definition: cs_equation_param.h:193
Main structure to handle the discretization and the resolution of an equation.
Field descriptor.
Definition: cs_field.h:131
Definition: cs_mesh.h:85
Structure associated to the definition of a property relying on the cs_xdef_t structure.
Definition: cs_range_set.h:57
time step descriptor
Definition: cs_time_step.h:64