GRASS GIS 8 Programmer's Manual 8.4.1(2025)-45ca3179ab
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N_heatflow.h
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1/*****************************************************************************
2 *
3 * MODULE: Grass PDE Numerical Library
4 * AUTHOR(S): Soeren Gebbert, Berlin (GER) Dec 2006
5 * soerengebbert <at> gmx <dot> de
6 *
7 * PURPOSE: Calculation of heatflow
8 * part of the gpde library
9 *
10 * COPYRIGHT: (C) 2000 by the GRASS Development Team
11 *
12 * This program is free software under the GNU General Public
13 * License (>=v2). Read the file COPYING that comes with GRASS
14 * for details.
15 *
16 *****************************************************************************/
17
18#ifndef _N_HEATFLOW_H_
19#define _N_HEATFLOW_H_
20#include "N_pde.h"
21
22typedef struct {
23 N_array_3d *t; /*temperature */
24 N_array_3d *t_start; /*temperature start conditions */
25 N_array_3d *gamma_x; /*x part of the gamma tensor */
26 N_array_3d *gamma_y; /*y part of the gamma tensor */
27 N_array_3d *gamma_z; /*z part of the gamma tensor */
28 N_array_3d *q; /*sources and sinks */
29 N_array_3d *rho; /*density */
30 N_array_3d *c; /*c */
31
32 N_array_3d *status; /*active/inactive/dirichlet cell status */
33
34 double dt; /*calculation time */
35
37
38typedef struct {
39 N_array_2d *t; /*temperature */
40 N_array_2d *t_start; /*temperature start conditions */
41 N_array_2d *gamma_x; /*x part of the gamma tensor */
42 N_array_2d *gamma_y; /*y part of the gamma tensor */
43 N_array_2d *q; /*sources and sinks */
44 N_array_2d *rho; /*density */
45 N_array_2d *c; /*c */
46
47 N_array_2d *status; /*active/inactive/dirichlet cell status */
48
49 double dt; /*calculation time */
50
52
53extern N_data_star *N_callback_heatflow_3d(void *heatdata, N_geom_data *geom,
54 int depth, int row, int col);
55extern N_data_star *N_callback_heatflow_2d(void *heatdata, N_geom_data *geom,
56 int row, int col);
57extern N_heatflow_data3d *N_alloc_heatflow_data3d(int depths, int rows,
58 int cols);
59extern N_heatflow_data2d *N_alloc_heatflow_data2d(int rows, int cols);
60
62
64#endif
N_heatflow_data3d * N_alloc_heatflow_data3d(int depths, int rows, int cols)
N_heatflow_data2d * N_alloc_heatflow_data2d(int rows, int cols)
N_data_star * N_callback_heatflow_3d(void *heatdata, N_geom_data *geom, int depth, int row, int col)
void N_free_heatflow_data3d(N_heatflow_data3d *data)
void N_free_heatflow_data2d(N_heatflow_data2d *data)
N_data_star * N_callback_heatflow_2d(void *heatdata, N_geom_data *geom, int row, int col)
Matrix entries for a mass balance 5/7/9 star system.
Definition N_pde.h:295
Geometric information about the structured grid.
Definition N_pde.h:101
N_array_2d * q
Definition N_heatflow.h:43
N_array_2d * rho
Definition N_heatflow.h:44
N_array_2d * t
Definition N_heatflow.h:39
N_array_2d * c
Definition N_heatflow.h:45
N_array_2d * t_start
Definition N_heatflow.h:40
N_array_2d * status
Definition N_heatflow.h:47
N_array_2d * gamma_y
Definition N_heatflow.h:42
N_array_2d * gamma_x
Definition N_heatflow.h:41
N_array_3d * gamma_z
Definition N_heatflow.h:27
N_array_3d * t
Definition N_heatflow.h:23
N_array_3d * t_start
Definition N_heatflow.h:24
N_array_3d * gamma_x
Definition N_heatflow.h:25
N_array_3d * rho
Definition N_heatflow.h:29
N_array_3d * q
Definition N_heatflow.h:28
N_array_3d * c
Definition N_heatflow.h:30
N_array_3d * status
Definition N_heatflow.h:32
N_array_3d * gamma_y
Definition N_heatflow.h:26