daviddoji/YouTube-simulations
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This commit is contained in:
Nils Berglund
2025-07-29 17:42:52 +02:00
committed by GitHub
parent e619fee32c
commit e64ed967ce
19 changed files with 6301 additions and 964 deletions
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20
global_3d.c
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@@ -13,6 +13,8 @@
#define E_EULER_COMP 7 /* compressible Euler equation */
#define E_SHALLOW_WATER 8 /* shallow water equation */
#define E_KURAMOTO 9 /* Kuramoto-type equation (nearest neighbor coupling) */
#define E_KURAMOTO_SPHERE 91 /* Kuramoto on the sphere, with Poisson grid */
#define E_KELLER_SEGEL 10 /* Keller-Segel model */
/* Choice of potential */
@@ -69,6 +71,11 @@
#define DEM_VENUS 3 /* DEM of Venus */
#define DEM_MERCURY 4 /* DEM of Mercury */
/* Type of simulation grid on the sphere */
#define GRID_EQUILONGITUDE 0 /* equally spaced latitudes an longitudes */
#define GRID_CUBIC 1 /* projection of regular grid on cube */
/* macros to avoid unnecessary computations in 3D plots */
#define COMPUTE_THETA ((cplot == Z_POLAR)||(cplot == Z_NORM_GRADIENT)||(cplot == Z_ANGLE_GRADIENT)||(cplot == Z_NORM_GRADIENT_INTENSITY)||(cplot == Z_VORTICITY)||(cplot == Z_VORTICITY_ABS))
@@ -95,11 +102,13 @@
// #define RDE_PLANET (((ADAPT_STATE_TO_BC)&&((OBSTACLE_GEOMETRY == D_SPHERE_EARTH)||(OBSTACLE_GEOMETRY == D_SPHERE_MARS)||(OBSTACLE_GEOMETRY == D_SPHERE_VENUS)))||((RDE_EQUATION == E_SHALLOW_WATER)&&(SWATER_DEPTH == SH_EARTH)))
#define NMAXCIRC_SPHERE 100 /* max number of circles on sphere */
#define NMAX_TRACER_PTS 20 /* max number of tracer points recorded per cell */
#define NMAX_TRACER_PTS 20 /* max number of tracer points recorded per cell */
#define NMAX_SPHERE_NEIGHB 10 /* max number of neighbours in Poisson simulation grid */
int global_time = 0;
double max_depth = 1.0;
int moon_position;
int ngridpoints;
/* structure used for color and height representations */
/* possible extra fields: zfield, cfield, interpolated coordinates */
@@ -134,6 +143,7 @@ typedef struct
double field_norm; /* norm of field or gradient */
double field_arg; /* argument of field or gradient */
double curl; /* curl of field */
double divergence; /* divergence of field */
double cos_angle; /* cos of angle between normal vector and direction of light */
double log_vorticity; /* logarithm of vorticity (for Euler equation) */
double Lpressure; /* Laplacian of pressure (for Euler equation) */
@@ -176,7 +186,13 @@ typedef struct
double altitude; /* altitude in case of Earth with digital elevation model */
double cos_angle; /* cosine of light angle */
double cos_angle_sphere; /* cosing of light angle for perfect sphere */
double force; /* external forcing */
double force; /* external forcing */
double phigrid, thetagrid; /* phi, theta angles for alt simulation grid on sphere */
short int nneighb; /* number of neighbours, for Kuramoto model on sphere */
int neighbor[NMAX_SPHERE_NEIGHB]; /* list of neighbours */
int convert_grid; /* convert field from simulation grid to longitude-latitude */
short int edge; /* has value 1 on edges of cubic simulation grid */
// short int jcoord; /* j coordinate of grid */
} t_wave_sphere;