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This commit is contained in:
Nils Berglund
2023-04-30 17:01:39 +02:00
committed by GitHub
parent b2d7f56e1c
commit b809ce9e55
14 changed files with 23373 additions and 5093 deletions
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25
global_pdes.c
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@@ -79,6 +79,7 @@
#define D_WING 70 /* complement of wing-shaped domain */
#define D_TESLA 71 /* Tesla valve */
#define D_TESLA_FOUR 72 /* four Tesla valves */
#define NMAXCIRCLES 10000 /* total number of circles/polygons (must be at least NCX*NCY for square grid) */
#define NMAXPOLY 50000 /* maximal number of vertices of polygonal lines (for von Koch et al) */
@@ -120,6 +121,7 @@
/* Variable index of refraction */
#define IOR_MANDELBROT 1 /* index of refraction depends on escape time in Mandelbrot set (log) */
#define IOR_MANDELBROT_LIN 100 /* index of refraction depends on escape time in Mandelbrot set (linear) */
#define IOR_MANDELBROT_MOD 101 /* index of refraction depends on escape time in Mandelbrot set (linear) */
#define IOR_EARTH 2 /* index of refraction models speed of seismic waves */
#define IOR_EXPLO_LENSING 3 /* explosive lensing */
#define IOR_PERIODIC_WELLS 4 /* periodic superposition of "wells" */
@@ -235,11 +237,16 @@
#define Z_EULER_DIRECTION_SPEED 64 /* hut for direction of velocity, luminosity for speed */
/* special boundary conditions for Euler equation */
#define BCE_TOPBOTTOM 1 /* laminar flow at top and bottom */
#define BCE_TOPBOTTOMLEFT 2 /* laminar flow at top, bottom and left side */
#define BCE_CHANNELS 3 /* laminar flow in channels at left and right */
#define BCE_MIDDLE_STRIP 4 /* laminar flow in horizontal strip in the middle */
#define BCE_LEFT 5 /* laminar flow at left side */
#define BCE_TOPBOTTOM 1 /* special flow at top and bottom */
#define BCE_TOPBOTTOMLEFT 2 /* special flow at top, bottom and left side */
#define BCE_CHANNELS 3 /* special flow in channels at left and right */
#define BCE_MIDDLE_STRIP 4 /* special flow in horizontal strip in the middle */
#define BCE_LEFT 5 /* special flow at left side */
#define BCE_FOUR_CHANNELS 6 /* special flow in four channels at left and right */
/* flow types for boundary conditions in Euler equation */
#define BCF_LAMINAR 0 /* laminar flow */
#define BCF_PRESSURE 1 /* laminar flow with pressure gradient */
typedef struct
{
@@ -300,6 +307,14 @@ typedef struct
int time_shift; /* time shift */
} t_wave_packet;
typedef struct
{
double xc, yc; /* (x,y) coordinates of center */
double phase; /* phase of source */
double amp; /* amplitude */
int sign;
} t_wave_source;
int ncircles = NMAXCIRCLES; /* actual number of circles, can be decreased e.g. for random patterns */