/usr/share/code_saturne/user_examples/cs_user_extra_operations-scalar_balance.c is in code-saturne-data 4.2.0+repack-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 | /*============================================================================
* This function is called at the end of each time step, and has a very
* general purpose
* (i.e. anything that does not have another dedicated user subroutine)
*============================================================================*/
/* Code_Saturne version 4.2.0 */
/*
This file is part of Code_Saturne, a general-purpose CFD tool.
Copyright (C) 1998-2015 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.
*/
/*----------------------------------------------------------------------------*/
#include "cs_defs.h"
/*----------------------------------------------------------------------------
* Standard C library headers
*----------------------------------------------------------------------------*/
#include <assert.h>
#include <math.h>
#if defined(HAVE_MPI)
#include <mpi.h>
#endif
/*----------------------------------------------------------------------------
* PLE library headers
*----------------------------------------------------------------------------*/
#include <ple_coupling.h>
/*----------------------------------------------------------------------------
* Local headers
*----------------------------------------------------------------------------*/
#include "bft_mem.h"
#include "bft_error.h"
#include "bft_printf.h"
#include "fvm_writer.h"
#include "cs_base.h"
#include "cs_field.h"
#include "cs_field_pointer.h"
#include "cs_field_operator.h"
#include "cs_mesh.h"
#include "cs_mesh_quantities.h"
#include "cs_halo.h"
#include "cs_halo_perio.h"
#include "cs_log.h"
#include "cs_parall.h"
#include "cs_parameters.h"
#include "cs_prototypes.h"
#include "cs_time_step.h"
#include "cs_turbomachinery.h"
#include "cs_selector.h"
#include "cs_post.h"
/*----------------------------------------------------------------------------
* Header for the current file
*----------------------------------------------------------------------------*/
#include "cs_prototypes.h"
/*----------------------------------------------------------------------------*/
BEGIN_C_DECLS
/*============================================================================
* User function definitions
*============================================================================*/
/*----------------------------------------------------------------------------
* Example for scalar balance.
*----------------------------------------------------------------------------*/
void
cs_user_extra_operations(void)
{
/* Local variables */
cs_lnum_t n_faces;
cs_lnum_t *face_list;
int cell_id, cell_id1, cell_id2, face_id;
int nt_cur = cs_glob_time_step->nt_cur;
const cs_mesh_t *m = cs_glob_mesh;
const cs_mesh_quantities_t *fvq = cs_glob_mesh_quantities;
const int n_cells = m->n_cells;
const int n_cells_ext = m->n_cells_with_ghosts;
const int n_i_faces = m->n_i_faces;
const int n_b_faces = m->n_b_faces;
const cs_lnum_2_t *i_face_cells = (const cs_lnum_2_t *)m->i_face_cells;
const cs_lnum_t *b_face_cells = (const cs_lnum_t *)m->b_face_cells;
const cs_real_t *cell_vol = fvq->cell_vol;
const cs_real_3_t *diipb = (const cs_real_3_t *)fvq->diipb;
const cs_real_t *b_face_surf = (const cs_real_t *)fvq->b_face_surf;
/* Get physical fields */
const cs_real_t *dt = CS_F_(dt)->val;
const cs_real_t *rho = CS_F_(rho)->val;
const cs_field_t *h = cs_field_by_name_try("enthalpy");
/*-------------------------------------------------------------------------
* This example computes energy balance relative to enthalpy
* We assume that we want to compute balances (convective and diffusive)
* at the boundaries of the calculation domain represented below
* (with boundaries marked by colors).
*
* The scalar considered if the enthalpy. We will also use the
* specific heat (to obtain balances in Joules)
*
*
* Domain and associated boundary colors:
* - 2, 3, 4, 7 : adiabatic walls
* - 6 : wall with fixed enthalpy
* - 1 : inlet
* - 5 : outlet
* - 8, 9 : symmetry
*-------------------------------------------------------------------------*/
/* 1. Initialization
=================
--> Local variables
---------------
vol_balance : volume contribution of unsteady terms
div_balance : volume contribution due to to term in div(rho u)
a_wall_balance: contribution from adiabatic walls
h_wall_balance: contribution from walls with fixed temperature
sym_balance : contribution from symmetry boundaries
in_balance : contribution from inlets
out_balance : contribution from outlets
mass_i_balance: contribution from mass injections
mass_o_balance: constribution from mass suctions
tot_balance : total balance */
double vol_balance = 0.;
double div_balance = 0.;
double a_wall_balance = 0.;
double h_wall_balance = 0.;
double sym_balance = 0.;
double in_balance = 0.;
double out_balance = 0.;
double mass_i_balance = 0.;
double mass_o_balance = 0.;
double tot_balance = 0.;
/* If the scalar enthalpy is not computed, return */
if (h == NULL)
return;
/* Boundary condition coefficient for h */
const cs_real_t *a_H = h->bc_coeffs->a;
const cs_real_t *b_H = h->bc_coeffs->b;
const cs_real_t *af_H = h->bc_coeffs->af;
const cs_real_t *bf_H = h->bc_coeffs->bf;
/* Convective mass fluxes for inner and boundary faces */
int iflmas = cs_field_get_key_int(h, cs_field_key_id("inner_mass_flux_id"));
const cs_real_t *i_mass_flux = cs_field_by_id(iflmas)->val;
int iflmab = cs_field_get_key_int(h, cs_field_key_id("boundary_mass_flux_id"));
const cs_real_t *b_mass_flux = cs_field_by_id(iflmab)->val;
/* Allocate temporary array */
cs_real_t *h_reconstructed;
BFT_MALLOC(h_reconstructed, n_b_faces, cs_real_t);
/* Reconstructed value */
if (false) {
cs_real_3_t *grad;
BFT_MALLOC(grad, n_cells_ext, cs_real_3_t);
int key_cal_opt_id = cs_field_key_id("var_cal_opt");
cs_var_cal_opt_t var_cal_opt;
// Get the calculation option from the field
cs_field_get_key_struct(h, key_cal_opt_id, &var_cal_opt);
cs_halo_type_t halo_type;
cs_gradient_type_t gradient_type;
cs_gradient_type_by_imrgra(var_cal_opt.imrgra,
&gradient_type,
&halo_type);
cs_field_gradient_scalar(h,
true, /* use_previous_t */
gradient_type,
halo_type,
1, /* inc */
true, /* _recompute_cocg */
grad);
for (face_id = 0; face_id < n_b_faces; face_id++) {
cell_id = b_face_cells[face_id]; // associated boundary cell
h_reconstructed[face_id] = h->val[cell_id]
+ grad[cell_id][0]*diipb[face_id][0]
+ grad[cell_id][1]*diipb[face_id][1]
+ grad[cell_id][2]*diipb[face_id][2];
}
BFT_FREE(grad);
/* Non-reconstructed value */
} else {
for (face_id = 0; face_id < n_b_faces; face_id++) {
cell_id = b_face_cells[face_id]; // associated boundary cell
h_reconstructed[face_id] = h->val[cell_id];
}
}
/* 2. Compute the balance at time step n
======================================
--> Balance on interior volumes
--------------------------- */
for (cell_id = 0; cell_id < n_cells; cell_id++) {
vol_balance += cell_vol[cell_id] * rho[cell_id]
* (h->val_pre[cell_id] - h->val[cell_id]);
}
/*
--> Balance on all faces (interior and boundary), for div(rho u)
------------------------------------------------------------
*/
for (face_id = 0; face_id < n_i_faces; face_id++) {
cell_id1 = i_face_cells[face_id][0]; // associated boundary cell
cell_id2 = i_face_cells[face_id][1]; // associated boundary cell
/* Contribution to flux from the two cells of the current face
(The cell is count only once in parallel by checking that
the cell_id is not in the halo) */
if (cell_id1 < n_cells)
div_balance += i_mass_flux[face_id] * dt[cell_id1] * h->val[cell_id1];
if (cell_id2 < n_cells)
div_balance -= i_mass_flux[face_id] * dt[cell_id2] * h->val[cell_id2];
}
for (face_id = 0; face_id < n_b_faces; face_id++) {
cell_id = b_face_cells[face_id]; // associated boundary cell
/* Contribution to flux from the current face */
div_balance += b_mass_flux[face_id] * dt[cell_id] * h->val[cell_id];
}
// TODO mass source terms and mass accumulation term
// In case of a mass source term, add contribution from Gamma*Tn+1
/*
--> Balance on boundary faces
-------------------------
We handle different types of boundary faces separately to better
analyze the information, but this is not mandatory. */
/*
Compute the contribution from walls with colors 2, 3, 4 and 7
(adiabatic here, so flux should be 0)
*/
BFT_MALLOC(face_list, n_b_faces, cs_lnum_t);
cs_selector_get_b_face_list("2 or 3 or 4 or 7", &n_faces, face_list);
for (int i = 0; i < n_faces; i++) {
face_id = face_list[i];
cell_id = b_face_cells[face_id]; // associated boundary cell
/* Contribution to flux from the current face
(diffusion and convection flux, negative if incoming) */
a_wall_balance += - b_face_surf[face_id] * dt[cell_id]
* (af_H[face_id] + bf_H[face_id] * h_reconstructed[face_id])
- b_mass_flux[face_id] * dt[cell_id]
* (a_H[face_id] + b_H[face_id] * h_reconstructed[face_id]);
}
/*
Contribution from walls with color 6
(here at fixed enthalpy; the convective flux should be 0)
*/
cs_selector_get_b_face_list("6", &n_faces, face_list);
for (int i = 0; i < n_faces; i++) {
face_id = face_list[i];
cell_id = b_face_cells[face_id]; // associated boundary cell
/* Contribution to flux from the current face
(diffusion and convection flux, negative if incoming) */
h_wall_balance += - b_face_surf[face_id] * dt[cell_id]
* (af_H[face_id] + bf_H[face_id] * h_reconstructed[face_id])
- b_mass_flux[face_id] * dt[cell_id]
* (a_H[face_id] + b_H[face_id] * h_reconstructed[face_id]);
}
/*
Contribution from symmetries (should be 0).
*/
cs_selector_get_b_face_list("8 or 9", &n_faces, face_list);
for (int i = 0; i < n_faces; i++) {
face_id = face_list[i];
cell_id = b_face_cells[face_id]; // associated boundary cell
/* Contribution to flux from the current face
(diffusion and convection flux, negative if incoming) */
sym_balance += - b_face_surf[face_id] * dt[cell_id]
* (af_H[face_id] + bf_H[face_id] * h_reconstructed[face_id])
- b_mass_flux[face_id] * dt[cell_id]
* (a_H[face_id] + b_H[face_id] * h_reconstructed[face_id]);
}
/*
Contribution from inlet (color 1, diffusion and convection flux)
*/
cs_selector_get_b_face_list("1", &n_faces, face_list);
for (int i = 0; i < n_faces; i++) {
face_id = face_list[i];
cell_id = b_face_cells[face_id]; // associated boundary cell
/* Contribution to flux from the current face
(diffusion and convection flux, negative if incoming) */
in_balance += - b_face_surf[face_id] * dt[cell_id]
* (af_H[face_id] + bf_H[face_id] * h_reconstructed[face_id])
- b_mass_flux[face_id] * dt[cell_id]
* (a_H[face_id] + b_H[face_id] * h_reconstructed[face_id]);
}
/*
Contribution from outlet (color 5, diffusion and convection flux)
*/
cs_selector_get_b_face_list("5", &n_faces, face_list);
for (int i = 0; i < n_faces; i++) {
face_id = face_list[i];
cell_id = b_face_cells[face_id]; // associated boundary cell
/* Contribution to flux from the current face
(diffusion and convection flux, negative if incoming) */
out_balance += - b_face_surf[face_id] * dt[cell_id]
* (af_H[face_id] + bf_H[face_id] * h_reconstructed[face_id])
- b_mass_flux[face_id] * dt[cell_id]
* (a_H[face_id] + b_H[face_id] * h_reconstructed[face_id]);
}
/* Free memory */
BFT_FREE(face_list);
BFT_FREE(h_reconstructed);
/* Sum of values on all ranks (parallel calculations) */
cs_parall_sum(1, CS_DOUBLE, &vol_balance);
cs_parall_sum(1, CS_DOUBLE, &div_balance);
cs_parall_sum(1, CS_DOUBLE, &a_wall_balance);
cs_parall_sum(1, CS_DOUBLE, &h_wall_balance);
cs_parall_sum(1, CS_DOUBLE, &sym_balance);
cs_parall_sum(1, CS_DOUBLE, &in_balance);
cs_parall_sum(1, CS_DOUBLE, &out_balance);
cs_parall_sum(1, CS_DOUBLE, &mass_i_balance);
cs_parall_sum(1, CS_DOUBLE, &mass_o_balance);
/* --> Total balance
------------- */
/* We add the different contributions calculated above */
tot_balance = vol_balance + div_balance + a_wall_balance + h_wall_balance
+ sym_balance + in_balance + out_balance + mass_i_balance
+ mass_o_balance;
/* 3. Write the balance at time step n
==================================== */
bft_printf("\n ** Enthalpy balance **\n"
" ----------------\n"
"-----------"
"----------------------------------------------------------\n"
"bt Iter"
" Volume Divergence Adia Wall Fixed_H Wall Symmetry"
" Inlet Outlet Inj. Mass. Suc. Mass. Total\n"
"bt %6i %12.4e %12.4e %12.4e %12.4e %12.4e %12.4e %12.4e "
"%12.4e %12.4e %12.4e\n"
"-----------"
"----------------------------------------------------------\n",
nt_cur, vol_balance, div_balance, a_wall_balance, h_wall_balance,
sym_balance, in_balance, out_balance,
mass_i_balance, mass_o_balance, tot_balance);
}
END_C_DECLS
|