/usr/include/gerris/fluid.h is in libgfs-mpi-dev 20131206+dfsg-5.
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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 | /* Gerris - The GNU Flow Solver
* Copyright (C) 2001 National Institute of Water and Atmospheric Research
*
* 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., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef __FLUID_H__
#define __FLUID_H__
#include <gts.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include "ftt.h"
typedef struct _GfsVariable GfsVariable;
typedef struct _GfsDerivedVariable GfsDerivedVariable;
typedef struct _GfsDomain GfsDomain;
typedef struct _GfsStateVector GfsStateVector;
typedef struct _GfsSolidVector GfsSolidVector;
typedef struct _GfsFaceStateVector GfsFaceStateVector;
struct _GfsFaceStateVector {
gdouble un;
gdouble v;
};
struct _GfsStateVector {
/* temporary face variables */
GfsFaceStateVector f[FTT_NEIGHBORS];
/* solid boundaries */
GfsSolidVector * solid;
gdouble place_holder;
};
struct _GfsSolidVector {
gdouble s[FTT_NEIGHBORS];
gdouble a, fv;
FttCell * merged;
FttVector cm, ca, v;
};
typedef enum {
GFS_FLAG_USED = 1 << FTT_FLAG_USER,
GFS_FLAG_BOUNDARY = 1 << (FTT_FLAG_USER + 1),
GFS_FLAG_DIRICHLET = 1 << (FTT_FLAG_USER + 2),
GFS_FLAG_GRADIENT_BOUNDARY = 1 << (FTT_FLAG_USER + 3),
GFS_FLAG_PERMANENT = 1 << (FTT_FLAG_USER + 4),
GFS_FLAG_THIN = 1 << (FTT_FLAG_USER + 5),
GFS_FLAG_USER = FTT_FLAG_USER + 6 /* user flags start here */
} GfsFlags;
#define GFS_STATE(cell) ((GfsStateVector *) (cell)->data)
#define GFS_VALUEI(cell, index) ((&GFS_STATE (cell)->place_holder)[index])
#define GFS_FACE_NORMAL_VELOCITY(fa)\
(GFS_STATE ((fa)->cell)->f[(fa)->d].un)
#define GFS_FACE_NORMAL_VELOCITY_LEFT(fa)\
(GFS_STATE ((fa)->cell)->f[(fa)->d].un)
#define GFS_FACE_NORMAL_VELOCITY_RIGHT(fa)\
(GFS_STATE ((fa)->neighbor)->f[FTT_OPPOSITE_DIRECTION ((fa)->d)].un)
#define GFS_FACE_FRACTION(fa) (GFS_IS_MIXED ((fa)->cell) ?\
GFS_STATE ((fa)->cell)->solid->s[(fa)->d] : 1.)
#define GFS_FACE_FRACTION_LEFT(fa) GFS_FACE_FRACTION(fa)
#define GFS_FACE_FRACTION_RIGHT(fa) (GFS_IS_MIXED ((fa)->neighbor) ?\
GFS_STATE ((fa)->neighbor)->solid->s[FTT_OPPOSITE_DIRECTION ((fa)->d)] : 1.)
#define GFS_IS_FLUID(cell) ((cell) != NULL &&\
GFS_STATE (cell)->solid == NULL)
#define GFS_IS_MIXED(cell) ((cell) != NULL &&\
GFS_STATE (cell)->solid != NULL)
#define GFS_CELL_IS_BOUNDARY(cell) (((cell)->flags & GFS_FLAG_BOUNDARY) != 0)
#define GFS_CELL_IS_PERMANENT(cell) (((cell)->flags & GFS_FLAG_PERMANENT) != 0)
#define GFS_CELL_IS_GRADIENT_BOUNDARY(cell) (((cell)->flags & GFS_FLAG_GRADIENT_BOUNDARY) != 0)
FttCellFace gfs_cell_face (FttCell * cell,
FttDirection d);
void gfs_cell_cleanup (FttCell * cell,
GfsDomain * domain);
void gfs_cell_reset (FttCell * cell,
GfsVariable * v);
void gfs_face_reset (FttCellFace * face,
GfsVariable * v);
void gfs_get_from_below_intensive (FttCell * cell,
const GfsVariable * v);
void gfs_cell_coarse_fine (FttCell * cell,
GfsVariable * v);
gdouble gfs_neighbor_value (const FttCellFace * face,
guint v,
gdouble * x);
gdouble gfs_face_interpolated_value (const FttCellFace * face,
guint v);
gdouble gfs_face_interpolated_value_generic (const FttCellFace * face,
const GfsVariable * v);
gdouble gfs_face_weighted_interpolated_value (const FttCellFace * face,
guint v);
typedef gdouble (* GfsCenterGradient) (FttCell * cell,
FttComponent c,
guint v);
gdouble gfs_center_gradient (FttCell * cell,
FttComponent c,
guint v);
void gfs_cm_gradient (FttCell * cell,
GfsVariable * v,
FttVector * g);
void gfs_center_gradient_stencil (FttCell * cell,
FttComponent c,
guint v);
gdouble gfs_center_van_leer_gradient (FttCell * cell,
FttComponent c,
guint v);
gdouble gfs_center_minmod_gradient (FttCell * cell,
FttComponent c,
guint v);
gdouble gfs_center_superbee_gradient (FttCell * cell,
FttComponent c,
guint v);
gdouble gfs_center_sweby_gradient (FttCell * cell,
FttComponent c,
guint v);
gdouble gfs_center_regular_gradient (FttCell * cell,
FttComponent c,
GfsVariable * v);
gdouble gfs_center_regular_2nd_derivative (FttCell * cell,
FttComponent c,
GfsVariable * v);
typedef struct _GfsGradient GfsGradient;
struct _GfsGradient {
gdouble a, b;
};
void gfs_face_gradient (const FttCellFace * face,
GfsGradient * g,
guint v,
gint max_level);
void gfs_face_weighted_gradient (const FttCellFace * face,
GfsGradient * g,
guint v,
gint max_level);
void gfs_face_weighted_gradient_2D (const FttCellFace * face,
GfsGradient * g,
guint v,
gint max_level);
void gfs_face_cm_gradient (const FttCellFace * face,
GfsGradient * g,
guint v,
gint max_level);
void gfs_face_cm_weighted_gradient (const FttCellFace * face,
GfsGradient * g,
guint v,
gint max_level);
void gfs_cell_dirichlet_gradient (FttCell * cell,
guint v,
gint max_level,
gdouble v0,
FttVector * grad);
void gfs_mixed_cell_gradient (FttCell * cell,
GfsVariable * v,
FttVector * g);
gdouble gfs_cell_dirichlet_gradient_flux (FttCell * cell,
guint v,
gint max_level,
gdouble v0);
gdouble gfs_cell_dirichlet_value (FttCell * cell,
GfsVariable * v,
gint max_level);
gdouble gfs_mixed_cell_interpolate (FttCell * cell,
FttVector p,
GfsVariable * v);
void gfs_normal_divergence (FttCell * cell,
GfsVariable * v);
void gfs_normal_divergence_2D (FttCell * cell,
GfsVariable * v);
gdouble gfs_divergence (FttCell * cell,
GfsVariable ** v);
gdouble gfs_vorticity (FttCell * cell,
GfsVariable ** v);
gdouble gfs_vector_norm (FttCell * cell,
GfsVariable ** v);
gdouble gfs_vector_norm2 (FttCell * cell,
GfsVariable ** v);
gdouble gfs_vector_lambda2 (FttCell * cell,
GfsVariable ** v);
void gfs_pressure_force (FttCell * cell,
GfsVariable * p,
FttVector * f);
GtsRange gfs_stats_variable (FttCell * root,
GfsVariable * v,
FttTraverseFlags flags,
gint max_depth);
typedef struct _GfsNorm GfsNorm;
struct _GfsNorm {
gdouble bias, first, second, infty, w;
};
void gfs_norm_init (GfsNorm * n);
void gfs_norm_reset (GfsNorm * n);
void gfs_norm_add (GfsNorm * n,
gdouble val,
gdouble weight);
void gfs_norm_update (GfsNorm * n);
GfsNorm gfs_norm_variable (FttCell * root,
GfsVariable * v,
FttTraverseFlags flags,
gint max_depth);
void gfs_cell_traverse_mixed (FttCell * root,
FttTraverseType order,
FttTraverseFlags flags,
FttCellTraverseFunc func,
gpointer data);
void gfs_cell_corner_values (FttCell * cell,
GfsVariable * v,
gint max_level,
gdouble f[4*(FTT_DIMENSION - 1)]);
gdouble gfs_interpolate_from_corners (FttCell * cell,
FttVector p,
gdouble * f);
gdouble gfs_interpolate (FttCell * cell,
FttVector p,
GfsVariable * v);
void gfs_interpolate_stencil (FttCell * cell,
GfsVariable * v);
void ftt_cell_refine_corners (FttCell * cell,
FttCellInitFunc init,
gpointer data);
gdouble gfs_center_curvature (FttCell * cell,
FttComponent c,
guint v);
gdouble gfs_streamline_curvature (FttCell * cell,
GfsVariable ** v);
void gfs_shear_strain_rate_tensor (FttCell * cell,
GfsVariable ** u,
gdouble t[FTT_DIMENSION][FTT_DIMENSION]);
gdouble gfs_2nd_principal_invariant (FttCell * cell,
GfsVariable ** u);
typedef struct {
#if FTT_2D
FttCell * c[7];
gdouble w[7];
#else /* 3D */
FttCell * c[29];
gdouble w[29];
#endif /* 3D */
guint n;
} GfsInterpolator;
void gfs_cell_corner_interpolator (FttCell * cell,
FttDirection d[FTT_DIMENSION],
gint max_level,
gboolean centered,
GfsInterpolator * inter);
gdouble gfs_cell_corner_value (FttCell * cell,
FttDirection * d,
GfsVariable * v,
gint max_level);
/* GfsStencil: Header */
typedef struct _GfsLinearProblem GfsLinearProblem;
typedef struct _GfsStencil GfsStencil;
struct _GfsStencil {
GArray * coeff; /* doubles */
GArray * id; /* ints */
};
GfsStencil * gfs_stencil_new (FttCell * cell,
GfsLinearProblem * lp,
gdouble coeff);
void gfs_stencil_add_element (GfsStencil * stencil,
FttCell * cell,
GfsLinearProblem * lp,
gdouble coeff);
void gfs_stencil_destroy (GfsStencil * stencil);
void gfs_face_weighted_gradient_stencil (const FttCellFace * face,
GfsGradient * g,
gint max_level,
GfsLinearProblem * lp,
GfsStencil * stencil);
void gfs_face_cm_weighted_gradient_stencil (const FttCellFace * face,
GfsGradient * g,
gint max_level,
GfsLinearProblem * lp,
GfsStencil * stencil);
gdouble gfs_cell_dirichlet_gradient_flux_stencil (FttCell * cell,
gint max_level,
gdouble v0,
GfsLinearProblem * lp,
GfsStencil * stencil);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __FLUID_H__ */
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