GRASS GIS 7 Programmer's Manual  7.0.4(2016)-r00000
N_gwflow.h
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1 
2 /*****************************************************************************
3 *
4 * MODULE: Grass PDE Numerical Library
5 * AUTHOR(S): Soeren Gebbert, Berlin (GER) Dec 2006
6 * soerengebbert <at> gmx <dot> de
7 *
8 * PURPOSE: groundwater flow in porous media
9 * part of the gpde library
10 *
11 * COPYRIGHT: (C) 2000 by the GRASS Development Team
12 *
13 * This program is free software under the GNU General Public
14 * License (>=v2). Read the file COPYING that comes with GRASS
15 * for details.
16 *
17 *****************************************************************************/
18 
19 #ifndef _N_GWFLOW_H_
20 #define _N_GWFLOW_H_
21 #include "N_pde.h"
22 #include <math.h>
23 
24 #define N_GW_CONFINED 0 /*confined groundwater */
25 #define N_GW_UNCONFINED 1 /*unconfined groundwater */
26 
27 #define N_GW_DRY_CELL 0 /*a dry cell */
28 #define N_GW_SURFACE_CELL 1 /*a surface cell */
29 #define N_GW_NORMAL_CELL 2 /*a normal wet cell */
30 
35 typedef struct
36 {
47  /*river */
52  /*drainage */
59  double dt;
62 
67 typedef struct
68 {
78  /*river */
83  /*drainage */
94  double dt;
95  int gwtype;
98 
99 extern N_data_star *N_callback_gwflow_3d(void *gwdata, N_geom_data * geom,
100  int col, int row, int depth);
101 extern N_data_star *N_callback_gwflow_2d(void *gwdata, N_geom_data * geom,
102  int col, int row);
104  N_geom_data * geom, N_array_3d * budget);
106  N_geom_data * geom, N_array_2d * balance);
107 extern N_gwflow_data3d *N_alloc_gwflow_data3d(int cols, int rows, int depths,
108  int river, int drain);
109 extern N_gwflow_data2d *N_alloc_gwflow_data2d(int cols, int rows, int river,
110  int drain);
111 extern void N_free_gwflow_data3d(N_gwflow_data3d * data);
112 extern void N_free_gwflow_data2d(N_gwflow_data2d * data);
113 #endif
N_array_2d * status
Definition: N_gwflow.h:91
N_array_2d * top
Definition: N_gwflow.h:88
Matrix entries for a mass balance 5/7/9 star system.
Definition: N_pde.h:272
N_array_2d * s
Definition: N_gwflow.h:75
N_array_2d * hc_y
Definition: N_gwflow.h:72
N_array_2d * drycells
Definition: N_gwflow.h:92
N_array_2d * river_bed
Definition: N_gwflow.h:81
N_array_3d * river_head
Definition: N_gwflow.h:49
N_data_star * N_callback_gwflow_2d(void *gwdata, N_geom_data *geom, int col, int row)
This callback function creates the mass balance of a 5 point star.
Definition: n_gwflow.c:464
This data structure contains all data needed to compute the groundwater mass balance in three dimensi...
Definition: N_gwflow.h:35
N_array_2d * phead_start
Definition: N_gwflow.h:70
N_array_3d * river_leak
Definition: N_gwflow.h:48
N_array_2d * phead
Definition: N_gwflow.h:69
N_array_2d * q
Definition: N_gwflow.h:73
N_array_3d * s
Definition: N_gwflow.h:44
N_array_3d * nf
Definition: N_gwflow.h:45
N_data_star * N_callback_gwflow_3d(void *gwdata, N_geom_data *geom, int col, int row, int depth)
This callback function creates the mass balance of a 7 point star.
Definition: n_gwflow.c:263
void N_gwflow_3d_calc_water_budget(N_gwflow_data3d *data, N_geom_data *geom, N_array_3d *budget)
This function computes the water budget of the entire groundwater.
Definition: n_gwflow.c:371
N_array_3d * river_bed
Definition: N_gwflow.h:50
N_array_3d * hc_z
Definition: N_gwflow.h:41
N_array_2d * r
Definition: N_gwflow.h:74
N_gwflow_data3d * N_alloc_gwflow_data3d(int cols, int rows, int depths, int river, int drain)
Alllocate memory for the groundwater calculation data structure in 3 dimensions.
Definition: n_gwflow.c:38
void N_gwflow_2d_calc_water_budget(N_gwflow_data2d *data, N_geom_data *geom, N_array_2d *balance)
This function computes the water budget of the entire groundwater.
Definition: n_gwflow.c:659
N_array_2d * r
Definition: N_gwflow.h:43
Geometric information about the structured grid.
Definition: N_pde.h:103
N_array_3d * status
Definition: N_gwflow.h:56
N_array_3d * drain_leak
Definition: N_gwflow.h:53
N_array_3d * drycells
Definition: N_gwflow.h:57
N_array_3d * phead_start
Definition: N_gwflow.h:38
N_array_3d * hc_y
Definition: N_gwflow.h:40
N_gwflow_data2d * N_alloc_gwflow_data2d(int cols, int rows, int river, int drain)
Alllocate memory for the groundwater calculation data structure in 2 dimensions.
Definition: n_gwflow.c:148
N_array_2d * hc_x
Definition: N_gwflow.h:71
N_array_2d * river_head
Definition: N_gwflow.h:80
N_array_2d * nf
Definition: N_gwflow.h:76
N_array_2d * drain_bed
Definition: N_gwflow.h:85
N_array_3d * hc_x
Definition: N_gwflow.h:39
N_array_2d * drain_leak
Definition: N_gwflow.h:84
This data structure contains all data needed to compute the groundwater mass balance in two dimension...
Definition: N_gwflow.h:67
N_array_3d * drain_bed
Definition: N_gwflow.h:54
N_array_3d * phead
Definition: N_gwflow.h:37
void N_free_gwflow_data2d(N_gwflow_data2d *data)
Release the memory of the groundwater flow data structure in two dimensions.
Definition: n_gwflow.c:200
N_array_2d * bottom
Definition: N_gwflow.h:89
N_array_3d * q
Definition: N_gwflow.h:42
N_array_2d * river_leak
Definition: N_gwflow.h:79
void N_free_gwflow_data3d(N_gwflow_data3d *data)
Release the memory of the groundwater flow data structure in three dimensions.
Definition: n_gwflow.c:92