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This commit is contained in:
Nils Berglund
2023-01-22 16:49:04 +01:00
committed by GitHub
parent 59cc5fbcf3
commit e3a7a58057
21 changed files with 7632 additions and 620 deletions
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148
wave_billiard.c
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@@ -43,24 +43,27 @@
#include <omp.h>
#include <time.h>
#define MOVIE 0 /* set to 1 to generate movie */
#define MOVIE 1 /* set to 1 to generate movie */
#define DOUBLE_MOVIE 1 /* set to 1 to produce movies for wave height and energy simultaneously */
#define SAVE_MEMORY 0 /* set to 1 to save memory when writing tiff images */
#define SAVE_MEMORY 1 /* set to 1 to save memory when writing tiff images */
#define NO_EXTRA_BUFFER_SWAP 1 /* some OS require one less buffer swap when recording images */
/* General geometrical parameters */
#define WINWIDTH 1920 /* window width */
#define WINHEIGHT 1000 /* window height */
// #define NX 1920 /* number of grid points on x axis */
// #define NY 1000 /* number of grid points on x axis */
#define WINHEIGHT 1150 /* window height */
// // #define NX 1920 /* number of grid points on x axis */
// // #define NY 1000 /* number of grid points on x axis */
#define NX 3840 /* number of grid points on x axis */
#define NY 2000 /* number of grid points on y axis */
#define NY 2300 /* number of grid points on y axis */
//
#define XMIN -2.0
#define XMAX 2.0 /* x interval */
#define YMIN -1.041666667
#define YMAX 1.041666667 /* y interval for 9/16 aspect ratio */
#define XMAX 2.0 /* x interval */
#define YMIN -1.197916667
#define YMAX 1.197916667 /* y interval for 9/16 aspect ratio */
// #define YMIN -1.041666667
// #define YMAX 1.041666667 /* y interval for 9/16 aspect ratio */
//
#define HIGHRES 1 /* set to 1 if resolution of grid is double that of displayed image */
// #define WINWIDTH 1280 /* window width */
@@ -82,7 +85,7 @@
/* Choice of the billiard table */
#define B_DOMAIN 57 /* choice of domain shape, see list in global_pdes.c */
#define B_DOMAIN 999 /* choice of domain shape, see list in global_pdes.c */
#define CIRCLE_PATTERN 1 /* pattern of circles or polygons, see list in global_pdes.c */
@@ -94,8 +97,8 @@
#define NPOISSON 300 /* number of points for Poisson C_RAND_POISSON arrangement */
#define RANDOM_POLY_ANGLE 1 /* set to 1 to randomize angle of polygons */
#define LAMBDA 0.25 /* parameter controlling the dimensions of domain */
#define MU 0.0 /* parameter controlling the dimensions of domain */
#define LAMBDA 0.5 /* parameter controlling the dimensions of domain */
#define MU 0.5 /* parameter controlling the dimensions of domain */
#define NPOLY 6 /* number of sides of polygon */
#define APOLY 0.0 /* angle by which to turn polygon, in units of Pi/2 */
#define MDEPTH 6 /* depth of computation of Menger gasket */
@@ -122,7 +125,7 @@
/* Physical parameters of wave equation */
#define TWOSPEEDS 1 /* set to 1 to replace hardcore boundary by medium with different speed */
#define TWOSPEEDS 0 /* set to 1 to replace hardcore boundary by medium with different speed */
#define OSCILLATE_LEFT 0 /* set to 1 to add oscilating boundary condition on the left */
#define OSCILLATE_TOPBOT 0 /* set to 1 to enforce a planar wave on top and bottom boundary */
#define OSCILLATION_SCHEDULE 1 /* oscillation schedule, see list in global_pdes.c */
@@ -131,8 +134,8 @@
#define AMPLITUDE 0.8 /* amplitude of periodic excitation */
#define ACHIRP 0.25 /* acceleration coefficient in chirp */
#define DAMPING 0.0 /* damping of periodic excitation */
#define COURANT 0.05 /* Courant number */
#define COURANTB 0.1 /* Courant number in medium B */
#define COURANT 0.08 /* Courant number */
#define COURANTB 0.04658753 /* Courant number in medium B */
#define GAMMA 0.0 /* damping factor in wave equation */
#define GAMMAB 0.0 /* damping factor in wave equation */
#define GAMMA_SIDES 1.0e-4 /* damping factor on boundary */
@@ -146,8 +149,8 @@
/* For similar wave forms, COURANT^2*GAMMA should be kept constant */
#define ADD_OSCILLATING_SOURCE 1 /* set to 1 to add an oscillating wave source */
#define OSCILLATING_SOURCE_PERIOD 50 /* period of oscillating source */
#define ALTERNATE_OSCILLATING_SOURCE 1 /* set to 1 to alternate sign of oscillating source */
#define OSCILLATING_SOURCE_PERIOD 15 /* period of oscillating source */
#define ALTERNATE_OSCILLATING_SOURCE 0 /* set to 1 to alternate sign of oscillating source */
/* Boundary conditions, see list in global_pdes.c */
@@ -155,9 +158,10 @@
/* Parameters for length and speed of simulation */
#define NSTEPS 1700 /* number of frames of movie */
// #define NSTEPS 3500 /* number of frames of movie */
#define NVID 12 /* number of iterations between images displayed on screen */
#define NSTEPS 2500 /* number of frames of movie */
// #define NSTEPS 500 /* number of frames of movie */
#define NVID 12 /* number of iterations between images displayed on screen */
// #define NVID 9 /* number of iterations between images displayed on screen */
#define NSEG 1000 /* number of segments of boundary */
#define INITIAL_TIME 0 /* time after which to start saving frames */
// #define INITIAL_TIME 400 /* time after which to start saving frames */
@@ -174,35 +178,38 @@
/* Parameters of initial condition */
#define INITIAL_AMP 0.35 /* amplitude of initial condition */
#define INITIAL_VARIANCE 0.0002 /* variance of initial condition */
#define INITIAL_WAVELENGTH 0.01 /* wavelength of initial condition */
#define INITIAL_AMP 0.1 /* amplitude of initial condition */
#define INITIAL_VARIANCE 0.0003 /* variance of initial condition */
#define INITIAL_WAVELENGTH 0.015 /* wavelength of initial condition */
// #define INITIAL_VARIANCE 0.00015 /* variance of initial condition */
// #define INITIAL_WAVELENGTH 0.0075 /* wavelength of initial condition */
/* Plot type, see list in global_pdes.c */
#define PLOT 0
// #define PLOT 1
#define PLOT 7
// #define PLOT 7
#define PLOT_B 5 /* plot type for second movie */
#define PLOT_B 6 /* plot type for second movie */
/* Color schemes */
#define COLOR_PALETTE 13 /* Color palette, see list in global_pdes.c */
#define COLOR_PALETTE_B 18 /* Color palette, see list in global_pdes.c */
// #define COLOR_PALETTE 15 /* Color palette, see list in global_pdes.c */
#define COLOR_PALETTE 17 /* Color palette, see list in global_pdes.c */
#define COLOR_PALETTE_B 11 /* Color palette, see list in global_pdes.c */
#define BLACK 1 /* background */
#define COLOR_SCHEME 3 /* choice of color scheme, see list in global_pdes.c */
#define SCALE 0 /* set to 1 to adjust color scheme to variance of field */
#define SLOPE 1.0 /* sensitivity of color on wave amplitude */
#define SLOPE 0.75 /* sensitivity of color on wave amplitude */
#define PHASE_FACTOR 1.0 /* factor in computation of phase in color scheme P_3D_PHASE */
#define PHASE_SHIFT 0.0 /* shift of phase in color scheme P_3D_PHASE */
#define ATTENUATION 0.0 /* exponential attenuation coefficient of contrast with time */
#define E_SCALE 100.0 /* scaling factor for energy representation */
#define LOG_SCALE 0.25 /* scaling factor for energy log representation */
#define LOG_SHIFT 0.0 /* shift of colors on log scale */
#define FLUX_SCALE 1.0e4 /* scaling factor for enegy flux represtnation */
#define E_SCALE 140.0 /* scaling factor for energy representation */
#define LOG_SCALE 1.0 /* scaling factor for energy log representation */
#define LOG_SHIFT 3.5 /* shift of colors on log scale */
#define FLUX_SCALE 2.0e3 /* scaling factor for enegy flux represtnation */
#define RESCALE_COLOR_IN_CENTER 0 /* set to 1 to decrease color intentiy in the center (for wave escaping ring) */
#define COLORHUE 260 /* initial hue of water color for scheme C_LUM */
@@ -213,16 +220,16 @@
#define HUEAMP -180.0 /* amplitude of variation of hue for color scheme C_HUE */
#define DRAW_COLOR_SCHEME 1 /* set to 1 to plot the color scheme */
#define COLORBAR_RANGE 2.0 /* scale of color scheme bar */
#define COLORBAR_RANGE_B 7.0 /* scale of color scheme bar for 2nd part */
#define COLORBAR_RANGE 1.5 /* scale of color scheme bar */
#define COLORBAR_RANGE_B 2.5 /* scale of color scheme bar for 2nd part */
#define ROTATE_COLOR_SCHEME 0 /* set to 1 to draw color scheme horizontally */
#define SAVE_TIME_SERIES 0 /* set to 1 to save wave time series at a point */
#define NXMAZE 7 /* width of maze */
#define NYMAZE 7 /* height of maze */
#define MAZE_MAX_NGBH 4 /* max number of neighbours of maze cell */
#define RAND_SHIFT 24 /* seed of random number generator */
#define NXMAZE 8 /* width of maze */
#define NYMAZE 32 /* height of maze */
#define MAZE_MAX_NGBH 5 /* max number of neighbours of maze cell */
#define RAND_SHIFT 0 /* seed of random number generator */
#define MAZE_XSHIFT 0.0 /* horizontal shift of maze */
/* for compatibility with sub_wave and sub_maze */
@@ -231,7 +238,6 @@
#define POTENTIAL 0
/* end of constants only used by sub_wave and sub_maze */
/* For debugging purposes only */
#define FLOOR 0 /* set to 1 to limit wave amplitude to VMAX */
#define VMAX 10.0 /* max value of wave amplitude */
@@ -571,10 +577,10 @@ void draw_color_bar_palette(int plot, double range, int palette, int fade, doubl
void animation()
{
double time, scale, ratio, startleft[2], startright[2], sign = 1.0, r2, xy[2], fade_value, yshift, speed = 0.0, a, b, c;
double time, scale, ratio, startleft[2], startright[2], sign = 1.0, r2, xy[2], fade_value, yshift, speed = 0.0, a, b, c, x, y, angle, x1, sign1;
double *phi[NX], *psi[NX], *tmp[NX], *total_energy[NX], *color_scale[NX], *total_flux;
short int *xy_in[NX];
int i, j, s, sample_left[2], sample_right[2], period = 0, fade;
int i, j, k, s, sample_left[2], sample_right[2], period = 0, fade, source_counter = 0;
static int counter = 0;
long int wave_value;
@@ -608,7 +614,12 @@ void animation()
npolyrect = init_polyrect(polyrect);
for (i=0; i<npolyrect; i++) printf("polyrect vertex %i: (%.3f, %.3f) - (%.3f, %.3f)\n", i, polyrect[i].x1, polyrect[i].y1, polyrect[i].x2, polyrect[i].y2);
printf("Rectangles initialized\n");
init_polyrect_arc(polyrectrot, polyarc, &npolyrect_rot, &npolyarc);
printf("Rotated rectangles and arcs initialized\n");
printf("%i rotated rectangles, %i arcs\n", npolyrect_rot, npolyarc);
courant2 = COURANT*COURANT;
courantb2 = COURANTB*COURANTB;
c = COURANT*(XMAX - XMIN)/(double)NX;
@@ -649,11 +660,21 @@ void animation()
// xy_to_ij(startright[0], startright[1], sample_right);
// printf("xleft = (%.3f, %.3f) xright = (%.3f, %.3f)\n", xin_left, yin_left, xin_right, yin_right);
// init_wave_flat(phi, psi, xy_in);
init_wave_flat(phi, psi, xy_in);
// init_circular_wave(sqrt(LAMBDA*LAMBDA - 1.0), 0.0, phi, psi, xy_in);
init_circular_wave(0.0, 0.0, phi, psi, xy_in);
// x = XMIN + (XMAX - XMIN)*rand()/RAND_MAX;
// y = YMIN + (YMAX - YMIN)*rand()/RAND_MAX;
// init_circular_wave(0.0, -0.8, phi, psi, xy_in);
// add_circular_wave(-1.0, -1.5, -0.8, phi, psi, xy_in);
// add_circular_wave(-1.0, 1.5, -0.8, phi, psi, xy_in);
// sign = -sign;
// init_circular_wave(2.0*LAMBDA*cos(APOLY*PID), 2.0*LAMBDA*sin(APOLY*PID), phi, psi, xy_in);
// angle = DPI/(double)NPOLY;
// for (j=1; j<NPOLY; j++)
// add_circular_wave(1.0, 2.0*LAMBDA*cos((double)j*angle + APOLY*PID), 2.0*LAMBDA*sin((double)j*angle + APOLY*PID), phi, psi, xy_in);
// init_wave_plus(LAMBDA - 0.3*MU, 0.5*MU, phi, psi, xy_in);
// init_wave(LAMBDA - 0.3*MU, 0.5*MU, phi, psi, xy_in);
// init_circular_wave(X_SHOOTER, Y_SHOOTER, phi, psi, xy_in);
@@ -753,7 +774,30 @@ void animation()
if ((ADD_OSCILLATING_SOURCE)&&(i%OSCILLATING_SOURCE_PERIOD == OSCILLATING_SOURCE_PERIOD - 1))
{
if (ALTERNATE_OSCILLATING_SOURCE) sign = -sign;
add_circular_wave(sign, 0.0, 0.0, phi, psi, xy_in);
y = -0.8;
sign1 = sign;
for (k=-4; k<5; k++)
{
x1 = 0.3*(double)source_counter + 1.2*(double)k;
if ((x1 > XMIN)&&(x1 < XMAX))
{
add_circular_wave(sign1, x1, y, phi, psi, xy_in);
printf("Adding wave at (%.2lg, %.2lg)\n", x1, y);
}
sign1 = -sign1;
}
source_counter++;
if (source_counter == 4)
{
source_counter = 0;
sign = -sign;
}
// for (j=0; j<NPOLY; j++)
// add_circular_wave(sign, 2.0*LAMBDA*cos((double)j*angle + APOLY*PID), 2.0*LAMBDA*sin((double)j*angle + APOLY*PID), phi, psi, xy_in);
// x = XMIN + (XMAX - XMIN)*rand()/RAND_MAX;
// y = YMIN + (YMAX - YMIN)*rand()/RAND_MAX;
// add_circular_wave(sign, 0.0, 0.0, phi, psi, xy_in);
// add_circular_wave(1.0, -1.5*LAMBDA, 0.0, phi, psi, xy_in);
// add_circular_wave(-1.0, 0.6*cos((double)(period)*DPI/3.0), 0.6*sin((double)(period)*DPI/3.0), phi, psi, xy_in);
@@ -770,7 +814,7 @@ void animation()
}
if (PRINT_SPEED) print_speed(speed, 0, 1.0);
glutSwapBuffers();
if (!((NO_EXTRA_BUFFER_SWAP)&&(MOVIE))) glutSwapBuffers();
if (MOVIE)
{
@@ -788,10 +832,10 @@ void animation()
if (PRINT_SPEED) print_speed(speed, 0, 1.0);
glutSwapBuffers();
save_frame_counter(NSTEPS + MID_FRAMES + 1 + counter);
// save_frame_counter(NSTEPS + 21 + counter);
counter++;
}
else if (NO_EXTRA_BUFFER_SWAP) glutSwapBuffers();
/* it seems that saving too many files too fast can cause trouble with the file system */
/* so this is to make a pause from time to time - parameter PAUSE may need adjusting */
if (i % PAUSE == PAUSE - 1)
@@ -826,7 +870,7 @@ void animation()
draw_billiard(1, fade_value);
if (DRAW_COLOR_SCHEME) draw_color_bar_palette(PLOT, COLORBAR_RANGE, COLOR_PALETTE, 1, fade_value);
if (PRINT_SPEED) print_speed(speed, 1, fade_value);
glutSwapBuffers();
if (!NO_EXTRA_BUFFER_SWAP) glutSwapBuffers();
save_frame_counter(NSTEPS + i + 1);
}
if (DOUBLE_MOVIE)