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Nils Berglund 2023-10-29 15:45:58 +01:00 committed by GitHub
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24 changed files with 1378 additions and 207 deletions
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billiard_phase_space.c
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@ -30,7 +30,7 @@
#include <tiffio.h> /* Sam Leffler's libtiff library. */
#include <time.h>
#define MOVIE 1 /* set to 1 to generate movie */
#define MOVIE 0 /* set to 1 to generate movie */
#define SAVE_MEMORY 1 /* set to 1 to save memory when writing tiff images */
#define WINWIDTH 1280 /* window width */
@ -52,7 +52,7 @@
/* Choice of the billiard table, see global_particles.c */
#define B_DOMAIN 11 /* choice of domain shape */
#define B_DOMAIN 1 /* choice of domain shape */
#define CIRCLE_PATTERN 6 /* pattern of circles */
#define POLYLINE_PATTERN 4 /* pattern of polyline */
@ -67,8 +67,8 @@
#define NGOLDENSPIRAL 2000 /* max number of points for C_GOLDEN_SPIRAL arrandement */
#define SDEPTH 2 /* Sierpinski gastket depth */
#define LAMBDAMIN 6.0 /* parameter controlling shape of domain */
#define LAMBDA 20.0 /* parameter controlling shape of domain */
#define LAMBDAMIN 0.0 /* parameter controlling shape of domain */
#define LAMBDA 1.5 /* parameter controlling shape of domain */
#define MU 1.0 /* second parameter controlling shape of billiard */
#define FOCI 1 /* set to 1 to draw focal points of ellipse */
#define NPOLY 6 /* number of sides of polygon */
@ -96,7 +96,7 @@
#define PRINT_TRAJECTORY_LENGTH 0 /* set to 1 to print length of trajectory 0 */
#define PRINT_TRAJECTORY_PERIOD 0 /* set to 1 to print period of trajectory 0 */
#define DRAW_LENGTHS_PLOT 0 /* set to 1 to plot trajectory lengths */
#define LENGTHS_LOG_SCALE 1 /* set to 1 to use log scale for plot of lengths */
#define LENGTHS_LOG_SCALE 0 /* set to 1 to use log scale for plot of lengths */
#define MAX_ANGLE 90.0 /* range of angles of trajectory */
#define NSTEPS 4000 /* number of frames of movie */
@ -141,7 +141,7 @@
#define PLOT_LYAPUNOV 1 /* set to 1 to add plot of Lyapunov exponents */
#define LOGSCALEX_LYAP 0 /* set to 1 to use log scale on parameter axis of Lyapunov exponents */
#define LYAP_MAX 1.0 /* maximal Lyapunov exponent */
#define ADAPT_TO_SYMMETRY 1 /* set to 1 to show only one symmetric part of phase space */
#define ADAPT_TO_SYMMETRY 0 /* set to 1 to show only one symmetric part of phase space */
#define SYMMETRY_FACTOR 3 /* proportion of phase space to be shown */
#define PAUSE 1000 /* number of frames after which to pause */

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global_3d.c
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@ -65,6 +65,14 @@
#define VP_HORIZONTAL 0 /* rotate in a horizontal plane */
#define VP_ORBIT 1 /* rotate in a plane containing the origin */
#define VP_ORBIT2 11 /* rotate in a plane specified by max latitude */
#define VP_POLAR 2 /* polar orbit */
/* Type of digital elevation model */
#define DEM_EARTH 0 /* DEM of Earth */
#define DEM_MARS 1 /* DEM of Mars */
#define DEM_MOON 2 /* DEM of the Moon */
/* macros to avoid unnecessary computations in 3D plots */
@ -85,6 +93,9 @@
#define COMPUTE_TOTAL_ENERGY ((ZPLOT == P_3D_TOTAL_ENERGY)||(CPLOT == P_3D_TOTAL_ENERGY)||(ZPLOT == P_3D_LOG_TOTAL_ENERGY)||(CPLOT == P_3D_LOG_TOTAL_ENERGY)||(ZPLOT == P_3D_MEAN_ENERGY)||(CPLOT == P_3D_MEAN_ENERGY)||(ZPLOT == P_3D_LOG_MEAN_ENERGY)||(CPLOT == P_3D_LOG_MEAN_ENERGY)||(ZPLOT_B == P_3D_TOTAL_ENERGY)||(CPLOT_B == P_3D_TOTAL_ENERGY)||(ZPLOT_B == P_3D_LOG_TOTAL_ENERGY)||(CPLOT_B == P_3D_LOG_TOTAL_ENERGY)||(ZPLOT_B == P_3D_MEAN_ENERGY)||(CPLOT_B == P_3D_MEAN_ENERGY)||(ZPLOT_B == P_3D_LOG_MEAN_ENERGY)||(CPLOT_B == P_3D_LOG_MEAN_ENERGY))
#define PLANET ((B_DOMAIN == D_SPHERE_EARTH)||(B_DOMAIN == D_SPHERE_MARS)||(B_DOMAIN == D_SPHERE_MOON))
#define OTHER_PLANET ((B_DOMAIN == D_SPHERE_MARS)||(B_DOMAIN == D_SPHERE_MOON))
#define NMAXCIRC_SPHERE 100 /* max number of circles on sphere */
int global_time = 0;
@ -154,6 +165,9 @@ typedef struct
double r, g, b; /* RGB values for image */
short int indomain; /* has value 1 if lattice point is in domain */
double x2d, y2d; /* x and y coordinates for 2D representation */
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 */
} t_wave_sphere;

25
global_ljones.c
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@ -75,8 +75,10 @@
#define S_BIN_OPENING 20 /* bin containing particles opening at deactivation time */
#define S_POLYGON_EXT 21 /* exterior of a regular polygon */
#define S_WEDGE_EXT 22 /* exterior of a wedge */
#define S_MIXER 23 /* exterior of a set of fan of rectangles */
#define S_MIXER 23 /* exterior of a blender made of rectangles */
#define S_AIRFOIL 24 /* exterior of an air foil */
#define S_COANDA 25 /* wall for Coanda effect */
#define S_COANDA_SHORT 26 /* shorter wall for Coanda effect */
/* particle interaction */
@ -92,6 +94,7 @@
#define I_VICSEK_REPULSIVE 9 /* Vicsek-type interaction with harmonic repulsion */
#define I_VICSEK_SPEED 10 /* Vicsek-type interaction with speed adjustment */
#define I_VICSEK_SHARK 11 /* Vicsek-type interaction with speed adjustment, and one shark */
#define I_COULOMB_LJ 12 /* Coulomb force regularised by Lennard-Jones repulsion */
/* Boundary conditions */
@ -178,6 +181,17 @@
#define IC_TWOROCKETS 8 /* type 1 or 2 depending on rocket position */
#define IC_TWOROCKETS_TWOFUELS 9 /* type 1 and 2 or 1 and 3 depending on rocket */
/* Initial conditions for option TWO_TYPES */
#define TTC_RANDOM 0 /* assign types randomly */
#define TTC_CHESSBOARD 1 /* assign types according to chessboard, works with hex initial config */
#define TTC_COANDA 2 /* type 1 in a band of width LAMBDA */
/* Initial speed distribution */
#define VI_RANDOM 0 /* random (Gaussian) initial speed distribution */
#define VI_COANDA 1 /* nonzero speed in a band of width LAMBDA */
/* Plot types */
#define P_KINETIC 0 /* colors represent kinetic energy of particles */
@ -197,6 +211,11 @@
#define P_DIRECT_EMEAN 14 /* averaged version of P_DIRECT_ENERGY */
#define P_NOPARTICLE 15 /* particles are not drawn (only the links between them) */
/* Rotation schedules */
#define ROT_SPEEDUP_SLOWDOWN 0 /* rotation speeds up and then slows down to zero */
#define ROT_BACK_FORTH 1 /* rotation goes in one direction and then back */
/* Initial position dependence types */
#define IP_X 0 /* color depends on x coordinate of initial position */
@ -241,6 +260,7 @@ typedef struct
double vy; /* y velocity of particle */
double omega; /* angular velocity of particle */
double mass_inv; /* inverse of particle mass */
double charge; /* electric charge */
double inertia_moment_inv; /* inverse of moment of inertia */
double fx; /* x component of force on particle */
double fy; /* y component of force on particle */
@ -313,6 +333,8 @@ typedef struct
double angle01, angle02; /* initial values of angles in which concave corners repel */
double fx, fy; /* x and y-components of force on segment */
double torque; /* torque on segment with respect to its center */
double pressure; /* pressure acting on segement */
double avrg_pressure; /* time-averaged pressure */
short int inactivate; /* set to 1 for segment to become inactive at time SEGMENT_DEACTIVATION_TIME */
} t_segment;
@ -361,6 +383,7 @@ typedef struct
double angle; /* orientation of obstacle */
double omega; /* angular speed of obstacle */
double bdry_fx, bdry_fy; /* components of boundary force */
double efield, bfield; /* electric and magnetic field */
} t_lj_parameters;
int ncircles, nobstacles, nsegments, ngroups = 1, counter = 0;

18
global_pdes.c
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@ -77,6 +77,7 @@
#define D_ONE_FUNNEL 581 /* one funnel */
#define D_LENSES_RING 59 /* several lenses forming a ring */
#define D_MAZE_CIRCULAR 60 /* circular maze */
#define D_LENS 61 /* symmetric lens made of circular faces */
#define D_WING 70 /* complement of wing-shaped domain */
#define D_TESLA 71 /* Tesla valve */
@ -89,6 +90,9 @@
#define D_SPHERE_JULIA 82 /* Julia set on Riemann sphere */
#define D_SPHERE_JULIA_INV 83 /* inverted Julia set on Riemann sphere */
#define D_SPHERE_EARTH 84 /* map of the Earth */
#define D_SPHERE_JULIA_CUBIC 85 /* Julia set for cubic polynomial on Riemann sphere */
#define D_SPHERE_MARS 86 /* map of Mars */
#define D_SPHERE_MOON 87 /* map of the Moon */
#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) */
@ -149,6 +153,8 @@
#define IOR_POISSON_WELLS 8 /* wells located on a random Poisson disc process */
#define IOR_PPP_WELLS 9 /* wells located on a Poisson point process */
#define IOR_EARTH_DEM 10 /* digital elevation model (for waves on sphere) */
/* Boundary conditions */
#define BC_DIRICHLET 0 /* Dirichlet boundary conditions */
@ -167,6 +173,18 @@
#define OSC_WAVE_PACKET 2 /* Gaussian wave packet */
#define OSC_CHIRP 3 /* chirp (linearly accelerating frequency) */
/* Wave packet types */
#define WP_RANDOM1 0 /* random, variant 1 */
#define WP_RANDOM2 1 /* random, variant 2 */
#define WP_PAIR 2 /* 2 sources */
/* Wave packet envelope types */
#define WE_SINE 0 /* sine envelope */
#define WE_CUTOFF 1 /* sharp cut-off */
#define WE_CONSTANT 2 /* constant envelope */
/* 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 */

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heat.c
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@ -212,6 +212,7 @@
#define WAVE_PACKET_SOURCE_TYPE 1 /* type of wave packet sources */
#define N_WAVE_PACKETS 15 /* number of wave packets */
#define OSCIL_LEFT_YSHIFT 0.0 /* y-dependence of left oscillation (for non-horizontal waves) */
#define OSCILLATING_SOURCE_PERIOD 20 /* period of oscillating source */
/* end of constants only used by sub_wave and sub_maze */
#include "global_pdes.c"

176
lennardjones.c
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@ -22,7 +22,7 @@
/* It may be possible to increase parameter PAUSE */
/* */
/* create movie using */
/* ffmpeg -i lj.%05d.tif -vcodec libx264 lj.mp4 */
/* ffmpeg -i lj.%05d.tif -vcodec libx264 lj.mp4 */
/* */
/*********************************************************************************/
@ -50,8 +50,8 @@
/* General geometrical parameters */
#define WINWIDTH 1280 /* window width */
#define WINHEIGHT 720 /* window height */
#define WINWIDTH 1600 /* window width */
#define WINHEIGHT 900 /* window height */
#define XMIN -2.0
#define XMAX 2.0 /* x interval */
@ -59,7 +59,7 @@
#define YMAX 1.125 /* y interval for 9/16 aspect ratio */
#define INITXMIN -2.0
#define INITXMAX 2.0 /* x interval for initial condition */
#define INITXMAX 2.03 /* x interval for initial condition */
#define INITYMIN -1.1
#define INITYMAX 1.1 /* y interval for initial condition */
@ -86,14 +86,15 @@
#define OBSTACLE_PATTERN 4 /* pattern of obstacles, see list in global_ljones.c */
#define ADD_FIXED_SEGMENTS 1 /* set to 1 to add fixed segments as obstacles */
#define SEGMENT_PATTERN 24 /* pattern of repelling segments, see list in global_ljones.c */
#define SEGMENT_PATTERN 25 /* pattern of repelling segments, see list in global_ljones.c */
#define ROCKET_SHAPE 3 /* shape of rocket combustion chamber, see list in global_ljones.c */
#define ROCKET_SHAPE_B 3 /* shape of second rocket */
#define NOZZLE_SHAPE 6 /* shape of nozzle, see list in global_ljones.c */
#define NOZZLE_SHAPE_B 6 /* shape of nozzle for second rocket, see list in global_ljones.c */
#define TWO_TYPES 0 /* set to 1 to have two types of particles */
#define TWO_TYPES 1 /* set to 1 to have two types of particles */
#define TYPE_PROPORTION 0.5 /* proportion of particles of first type */
#define TWOTYPE_CONFIG 2 /* choice of types, see TTC_ list in global_ljones.c */
#define SYMMETRIZE_FORCE 1 /* set to 1 to symmetrize two-particle interaction, only needed if particles are not all the same */
#define CENTER_PX 0 /* set to 1 to center horizontal momentum */
#define CENTER_PY 0 /* set to 1 to center vertical momentum */
@ -110,9 +111,9 @@
#define PDISC_CANDIDATES 100 /* number of candidates in construction of Poisson disc process */
#define RANDOM_POLY_ANGLE 0 /* set to 1 to randomize angle of polygons */
#define LAMBDA 0.75 /* parameter controlling the dimensions of domain */
#define MU 0.012 /* parameter controlling radius of particles */
#define MU_B 0.010 /* parameter controlling radius of particles of second type */
#define LAMBDA 0.3 /* parameter controlling the dimensions of domain */
#define MU 0.014 /* parameter controlling radius of particles */
#define MU_B 0.01 /* parameter controlling radius of particles of second type */
#define NPOLY 40 /* number of sides of polygon */
#define APOLY 0.0 /* angle by which to turn polygon, in units of Pi/2 */
#define AWEDGE 0.5 /* opening angle of wedge, in units of Pi/2 */
@ -121,10 +122,8 @@
#define MANDELLEVEL 1000 /* iteration level for Mandelbrot set */
#define MANDELLIMIT 10.0 /* limit value for approximation of Mandelbrot set */
#define FOCI 1 /* set to 1 to draw focal points of ellipse */
// #define NGRIDX 140 /* number of grid point for grid of disks */
// #define NGRIDY 70 /* number of grid point for grid of disks */
#define NGRIDX 130 /* number of grid point for grid of disks */
#define NGRIDY 65 /* number of grid point for grid of disks */
#define NGRIDX 101 /* number of grid point for grid of disks */
#define NGRIDY 47 /* number of grid point for grid of disks */
#define EHRENFEST_RADIUS 0.9 /* radius of container for Ehrenfest urn configuration */
#define EHRENFEST_WIDTH 0.035 /* width of tube for Ehrenfest urn configuration */
#define TWO_CIRCLES_RADIUS_RATIO 0.8 /* ratio of radii for S_TWO_CIRCLES_EXT segment configuration */
@ -137,9 +136,8 @@
/* Parameters for length and speed of simulation */
#define NSTEPS 4525 /* number of frames of movie */
// #define NSTEPS 1000 /* number of frames of movie */
#define NVID 30 /* number of iterations between images displayed on screen */
#define NSTEPS 3200 /* number of frames of movie */
#define NVID 15 /* number of iterations between images displayed on screen */
#define NSEG 25 /* number of segments of boundary of circles */
#define INITIAL_TIME 0 /* time after which to start saving frames */
#define OBSTACLE_INITIAL_TIME 150 /* time after which to start moving obstacle */
@ -152,7 +150,7 @@
#define SLEEP1 1 /* initial sleeping time */
#define SLEEP2 1 /* final sleeping time */
#define MID_FRAMES 20 /* number of still frames between parts of two-part movie */
#define END_FRAMES 100 /* number of still frames at end of movie */
#define END_FRAMES 250 /* number of still frames at end of movie */
/* Boundary conditions, see list in global_ljones.c */
@ -160,18 +158,18 @@
/* Plot type, see list in global_ljones.c */
#define PLOT 13
#define PLOT 5
#define PLOT_B 11 /* plot type for second movie */
#define DRAW_BONDS 1 /* set to 1 to draw bonds between neighbours */
#define COLOR_BONDS 1 /* set to 1 to color bonds according to length */
#define FILL_TRIANGLES 0 /* set to 1 to fill triangles between neighbours */
#define ALTITUDE_LINES 0 /* set to 1 to add horizontal lines to show altitude */
#define COLOR_SEG_GROUPS 1 /* set to 1 to collor segment groups differently */
#define COLOR_SEG_GROUPS 0 /* set to 1 to collor segment groups differently */
#define N_PARTICLE_COLORS 200 /* number of colors for P_NUMBER color scheme */
#define INITIAL_POS_TYPE 0 /* type of initial position dependence */
#define ERATIO 0.995 /* ratio for time-averagin in P_EMEAN color scheme */
#define DRATIO 0.995 /* ratio for time-averagin in P_DIRECT_EMEAN color scheme */
#define ERATIO 0.995 /* ratio for time-averaging in P_EMEAN color scheme */
#define DRATIO 0.995 /* ratio for time-averaging in P_DIRECT_EMEAN color scheme */
/* Color schemes */
@ -195,15 +193,15 @@
#define LUMAMP 0.3 /* amplitude of luminosity variation for scheme C_LUM */
#define HUEMEAN 220.0 /* mean value of hue for color scheme C_HUE */
#define HUEAMP -50.0 /* amplitude of variation of hue for color scheme C_HUE */
#define COLOR_HUESHIFT 0.5 /* shift in color hue (for some cyclic palettes) */
#define COLOR_HUESHIFT 0.0 /* shift in color hue (for some cyclic palettes) */
#define PRINT_PARAMETERS 1 /* set to 1 to print certain parameters */
#define PRINT_PARAMETERS 0 /* set to 1 to print certain parameters */
#define PRINT_TEMPERATURE 0 /* set to 1 to print current temperature */
#define PRINT_ANGLE 1 /* set to 1 to print obstacle orientation */
#define PRINT_OMEGA 1 /* set to 1 to print angular speed */
#define PRINT_ANGLE 0 /* set to 1 to print obstacle orientation */
#define PRINT_OMEGA 0 /* set to 1 to print angular speed */
#define PRINT_PARTICLE_SPEEDS 0 /* set to 1 to print average speeds/momenta of particles */
#define PRINT_SEGMENTS_SPEEDS 0 /* set to 1 to print velocity of moving segments */
#define PRINT_SEGMENTS_FORCE 1 /* set to 1 to print force on segments */
#define PRINT_SEGMENTS_FORCE 0 /* set to 1 to print force on segments */
#define FORCE_FACTOR 0.1 /* factor controlling length of force vector */
/* particle properties */
@ -212,7 +210,7 @@
#define ENERGY_HUE_MAX 50.0 /* color of saturated particle */
#define PARTICLE_HUE_MIN 359.0 /* color of original particle */
#define PARTICLE_HUE_MAX 0.0 /* color of saturated particle */
#define PARTICLE_EMAX 5000.0 /* energy of particle with hottest color */
#define PARTICLE_EMAX 1000.0 /* energy of particle with hottest color */
#define HUE_TYPE0 280.0 /* hue of particles of type 0 */
#define HUE_TYPE1 60.0 /* hue of particles of type 1 */
#define HUE_TYPE2 140.0 /* hue of particles of type 2 */
@ -221,35 +219,35 @@
#define RANDOM_RADIUS 0 /* set to 1 for random circle radius */
#define DT_PARTICLE 3.0e-6 /* time step for particle displacement */
#define KREPEL 1.0 /* constant in repelling force between particles */
#define EQUILIBRIUM_DIST 5.0 /* Lennard-Jones equilibrium distance */
#define EQUILIBRIUM_DIST_B 5.0 /* Lennard-Jones equilibrium distance for second type of particle */
#define EQUILIBRIUM_DIST 7.0 /* Lennard-Jones equilibrium distance */
#define EQUILIBRIUM_DIST_B 6.5 /* Lennard-Jones equilibrium distance for second type of particle */
#define REPEL_RADIUS 15.0 /* radius in which repelling force acts (in units of particle radius) */
#define DAMPING 100.0 /* damping coefficient of particles */
#define DAMPING 0.02 /* damping coefficient of particles */
#define OMEGA_INITIAL 10.0 /* initial angular velocity range */
#define INITIAL_DAMPING 5.0 /* damping coefficient of particles during initial phase */
#define DAMPING_ROT 100.0 /* dampint coefficient for rotation of particles */
#define PARTICLE_MASS 1.0 /* mass of particle of radius MU */
#define PARTICLE_MASS_B 1.0 /* mass of particle of radius MU */
#define PARTICLE_MASS_B 6.5 /* mass of particle of radius MU */
#define PARTICLE_INERTIA_MOMENT 0.2 /* moment of inertia of particle */
#define PARTICLE_INERTIA_MOMENT_B 0.02 /* moment of inertia of second type of particle */
#define V_INITIAL 0.0 /* initial velocity range */
#define V_INITIAL 1000.0 /* initial velocity range */
#define OMEGA_INITIAL 10.0 /* initial angular velocity range */
#define VICSEK_VMIN 1.0 /* minimal speed of particles in Vicsek model */
#define VICSEK_VMAX 40.0 /* minimal speed of particles in Vicsek model */
#define V_INITIAL_TYPE 1 /* type of initial speed distribution (see VI_ in global_ljones.c) */
#define THERMOSTAT 0 /* set to 1 to switch on thermostat */
#define VARY_THERMOSTAT 0 /* set to 1 for time-dependent thermostat schedule */
#define SIGMA 5.0 /* noise intensity in thermostat */
#define BETA 0.02 /* initial inverse temperature */
#define BETA 0.0002 /* initial inverse temperature */
#define MU_XI 0.01 /* friction constant in thermostat */
#define KSPRING_BOUNDARY 1.0e7 /* confining harmonic potential outside simulation region */
#define KSPRING_OBSTACLE 1.0e11 /* harmonic potential of obstacles */
// #define NBH_DIST_FACTOR 2.3 /* radius in which to count neighbours */
// #define NBH_DIST_FACTOR 2.7 /* radius in which to count neighbours */
#define NBH_DIST_FACTOR 3.8 /* radius in which to count neighbours */
// #define NBH_DIST_FACTOR 4.0 /* radius in which to count neighbours */
#define GRAVITY 0.0 /* gravity acting on all particles */
#define GRAVITY_X 5000.0 /* horizontal gravity acting on all particles */
#define GRAVITY 0.0 /* gravity acting on all particles */
#define GRAVITY_X 0.0 /* horizontal gravity acting on all particles */
#define CIRCULAR_GRAVITY 0 /* set to 1 to have gravity directed to center */
#define INCREASE_GRAVITY 0 /* set to 1 to increase gravity during the simulation */
#define GRAVITY_SCHEDULE 2 /* type of gravity schedule, see list in global_ljones.c */
#define GRAVITY_FACTOR 100.0 /* factor by which to increase gravity */
@ -258,6 +256,15 @@
#define KSPRING_VICSEK 0.2 /* spring constant for I_VICSEK_SPEED interaction */
#define VICSEK_REPULSION 10.0 /* repulsion between particles in Vicsek model */
#define ADD_EFIELD 1 /* set to 1 to add an electric field */
#define EFIELD 10000.0 /* value of electric field */
#define ADD_BFIELD 0 /* set to 1 to add a magnetic field */
#define BFIELD 1000.0 /* value of magnetic field */
#define CHARGE 0.0 /* charge of particles of first type */
#define CHARGE_B 1.0 /* charge of particles of second type */
#define INCREASE_E 0 /* set to 1 to increase electric field */
#define EFIELD_FACTOR 1000.0 /* factor by which to increase electric field */
#define ROTATION 0 /* set to 1 to include rotation of particles */
#define COUPLE_ANGLE_TO_THERMOSTAT 1 /* set to 1 to couple angular degrees of freedom to thermostat */
#define DIMENSION_FACTOR 1.0 /* scaling factor taking into account number of degrees of freedom */
@ -267,7 +274,7 @@
#define KTORQUE_DIFF 150.0 /* force constant in angular dynamics for different particles */
#define DRAW_SPIN 0 /* set to 1 to draw spin vectors of particles */
#define DRAW_SPIN_B 0 /* set to 1 to draw spin vectors of particles */
#define DRAW_CROSS 1 /* set to 1 to draw cross on particles of second type */
#define DRAW_CROSS 0 /* set to 1 to draw cross on particles of second type */
#define SPIN_RANGE 10.0 /* range of spin-spin interaction */
#define SPIN_RANGE_B 5.0 /* range of spin-spin interaction for second type of particle */
#define QUADRUPOLE_RATIO 0.6 /* anisotropy in quadrupole potential */
@ -290,7 +297,7 @@
#define CENTER_VIEW_ON_OBSTACLE 0 /* set to 1 to center display on moving obstacle */
#define RESAMPLE_Y 0 /* set to 1 to resample y coordinate of moved particles (for shock waves) */
#define NTRIALS 2000 /* number of trials when resampling */
#define OBSTACLE_RADIUS 0.25 /* radius of obstacle for circle boundary conditions */
#define OBSTACLE_RADIUS 0.15 /* radius of obstacle for circle boundary conditions */
#define FUNNEL_WIDTH 0.25 /* funnel width for funnel boundary conditions */
#define OBSTACLE_XMIN 0.0 /* initial position of obstacle */
#define OBSTACLE_XMAX 3.0 /* final position of obstacle */
@ -325,24 +332,28 @@
#define TRACER_PARTICLE_MASS 4.0 /* relative mass of tracer particle */
#define TRAJECTORY_WIDTH 3 /* width of tracer particle trajectory */
#define ROTATE_BOUNDARY 1 /* set to 1 to rotate the repelling segments */
#define ROTATE_BOUNDARY 0 /* set to 1 to rotate the repelling segments */
#define SMOOTH_ROTATION 1 /* set to 1 to update segments at each time step (rather than at each movie frame) */
#define ROTATION_SCHEDULE 0 /* time-dependence of rotation angle, see ROT_* in global_ljones.c */
#define PERIOD_ROTATE_BOUNDARY 1000 /* period of rotating boundary */
#define ROTATE_INITIAL_TIME 300 /* initial time without rotation */
#define ROTATE_FINAL_TIME 300 /* final time without rotation */
#define ROTATE_CHANGE_TIME 0.5 /* relative duration of acceleration/deceleration phases */
#define OMEGAMAX -2.0*PI /* maximal rotation speed */
#define OMEGAMAX -2.0*PI /* maximal rotation speed */
#define MOVE_BOUNDARY 0 /* set to 1 to move repelling segments, due to force from particles */
#define SEGMENTS_MASS 40.0 /* mass of collection of segments */
#define DEACTIVATE_SEGMENT 1 /* set to 1 to deactivate last segment after a certain time */
#define SEGMENT_DEACTIVATION_TIME 20 /* time at which to deactivate last segment */
#define RELEASE_ROCKET_AT_DEACTIVATION 0 /* set to 1 to limit segments velocity before segment release */
#define SEGMENTS_X0 1.5 /* initial position of segments */
#define SEGMENTS_Y0 0.0 /* initial position of segments */
#define SEGMENTS_X0 0.0 /* initial position of segments */
#define SEGMENTS_Y0 -0.6 /* initial position of segments */
#define SEGMENTS_VX0 0.0 /* initial velocity of segments */
#define SEGMENTS_VY0 0.0 /* initial velocity of segments */
#define DAMP_SEGS_AT_NEGATIVE_Y 0 /* set to 1 to dampen segments when y coordinate is negative */
#define SHOW_SEGMENTS_PRESSURE 0 /* set to 1 to show (averaged) pressure acting on segments */
#define SEGMENT_PMAX 7.5e7 /* pressure of segment with hottest color */
#define P_AVRG_FACTOR 0.02 /* factor in computation of mean pressure */
#define MOVE_SEGMENT_GROUPS 0 /* set to 1 to group segments into moving units */
#define SEGMENT_GROUP_MASS 500.0 /* mass of segment group */
@ -407,8 +418,8 @@
#define FLOOR_OMEGA 0 /* set to 1 to limit particle momentum to PMAX */
#define PMAX 1000.0 /* maximal force */
#define HASHX 120 /* size of hashgrid in x direction */
#define HASHY 60 /* size of hashgrid in y direction */
#define HASHX 60 /* size of hashgrid in x direction */
#define HASHY 30 /* size of hashgrid in y direction */
#define HASHMAX 100 /* maximal number of particles per hashgrid cell */
#define HASHGRID_PADDING 0.1 /* padding of hashgrid outside simulation window */
@ -473,6 +484,23 @@ double repel_schedule(int i)
}
double efield_schedule(int i)
{
static double efactor;
static int first = 1;
double efield;
if (first)
{
efactor = EFIELD_FACTOR/(double)(INITIAL_TIME + NSTEPS);
first = 0;
}
efield = EFIELD*(double)i*efactor;
printf("E = %.3lg\n", efield);
return(efield);
}
double temperature_schedule(int i)
{
static double bexponent, omega, bexp2;
@ -614,20 +642,26 @@ double rotation_angle(double phase)
// return(0.5*OMEGAMAX*(phase - sin(phase)));
/* case of centrifuge remaining at constant speed for a while */
if (phase < ROTATE_CHANGE_TIME)
{
// angular_speed = 0.5*OMEGAMAX*(1.0 - cos(phase*PI/ROTATE_CHANGE_TIME));
return(0.5*OMEGAMAX*(phase - (ROTATE_CHANGE_TIME/PI)*sin(phase*PI/ROTATE_CHANGE_TIME)));
}
else if (phase < 1.0 - ROTATE_CHANGE_TIME)
{
// angular_speed = OMEGAMAX;
return(0.5*OMEGAMAX*(2.0*phase - ROTATE_CHANGE_TIME));
}
else
{
// angular_speed = 0.5*OMEGAMAX*(1.0 + cos((phase - 1.0 + ROTATE_CHANGE_TIME)*PI/ROTATE_CHANGE_TIME));
return(0.5*OMEGAMAX*(2.0 - 2.0*ROTATE_CHANGE_TIME + phase - 1.0 + (ROTATE_CHANGE_TIME/PI)*sin((1.0-phase)*PI/ROTATE_CHANGE_TIME)));
switch (ROTATION_SCHEDULE) {
case (ROT_SPEEDUP_SLOWDOWN):
{
if (phase < ROTATE_CHANGE_TIME)
{
return(0.5*OMEGAMAX*(phase - (ROTATE_CHANGE_TIME/PI)*sin(phase*PI/ROTATE_CHANGE_TIME)));
}
else if (phase < 1.0 - ROTATE_CHANGE_TIME)
{
return(0.5*OMEGAMAX*(2.0*phase - ROTATE_CHANGE_TIME));
}
else
{
return(0.5*OMEGAMAX*(2.0 - 2.0*ROTATE_CHANGE_TIME + phase - 1.0 + (ROTATE_CHANGE_TIME/PI)*sin((1.0-phase)*PI/ROTATE_CHANGE_TIME)));
}
}
case (ROT_BACK_FORTH):
{
return(OMEGAMAX*(1.0 - cos(DPI*phase))/DPI);
}
}
}
@ -1253,6 +1287,7 @@ void animation()
if (INCREASE_KREPEL) params.krepel = repel_schedule(i);
if (INCREASE_BETA) params.beta = temperature_schedule(i);
if (INCREASE_E) params.efield = efield_schedule(i);
if (DECREASE_CONTAINER_SIZE)
{
params.xmincontainer = container_size_schedule(i);
@ -1358,12 +1393,33 @@ void animation()
/* add gravity */
if (INCREASE_GRAVITY) particle[j].fy -= params.gravity/particle[j].mass_inv;
else if (CIRCULAR_GRAVITY)
{
particle[j].fx -= GRAVITY*particle[j].xc/particle[j].mass_inv;
particle[j].fy -= GRAVITY*particle[j].yc/particle[j].mass_inv;
}
else
{
particle[j].fy -= GRAVITY/particle[j].mass_inv;
particle[j].fx += GRAVITY_X/particle[j].mass_inv;
}
/* add electric force */
if (ADD_EFIELD)
{
if (INCREASE_E) particle[j].fx += params.efield*particle[j].charge;
else particle[j].fx += EFIELD*particle[j].charge;
}
/* add magnetic force */
if (ADD_BFIELD)
{
// particle[j].fx += BFIELD*particle[j].charge*particle[j].vy;
// particle[j].fy -= BFIELD*particle[j].charge*particle[j].vx;
particle[j].fx += BFIELD*particle[j].charge*particle[j].vy*particle[j].mass_inv;
particle[j].fy -= BFIELD*particle[j].charge*particle[j].vx*particle[j].mass_inv;
}
if (FLOOR_FORCE)
{
if (particle[j].fx > FMAX) particle[j].fx = FMAX;

2
makefile
View File

@ -1,4 +1,4 @@
LIBS = -L/usr/X11R6/lib -ltiff -lm -lGL -lGLU -lX11 -lXmu -lglut -fopenmp
LIBS = -L/usr/X11R6/lib -ltiff -lm -lGL -lGLU -lX11 -lglut -fopenmp
.c:
gcc -o $@ $< -O3 $(LIBS)

7
mangrove.c
View File

@ -251,16 +251,11 @@
#define IOR 7 /* choice of index of refraction, see list in global_pdes.c */
#define IOR_TOTAL_TURNS 1.5 /* total angle of rotation for IOR_PERIODIC_WELLS_ROTATING */
#define MANDEL_IOR_SCALE -0.05 /* parameter controlling dependence of IoR on Mandelbrot escape speed */
#define COURANT 0.04 /* Courant number */
#define COURANTB 0.0 /* Courant number in medium B */
#define INITIAL_AMP 0.5 /* amplitude of initial condition */
#define INITIAL_VARIANCE 0.0003 /* variance of initial condition */
#define INITIAL_WAVELENGTH 0.015 /* wavelength of initial condition */
#define TWOSPEEDS 0 /* set to 1 to replace hardcore boundary by medium with different speed */
#define WAVE_PACKET_SOURCE_TYPE 1 /* type of wave packet sources */
#define N_WAVE_PACKETS 15 /* number of wave packets */
#define OSCIL_LEFT_YSHIFT 0.0 /* y-dependence of left oscillation (for non-horizontal waves) */
#define DRAW_WAVE_PROFILE 0 /* set to 1 to draw a profile of the wave */
#define OSCILLATING_SOURCE_PERIOD 20 /* period of oscillating source */
/* end of constants only used by sub_wave and sub_maze */
#include "global_pdes.c"

BIN
marscyl2.ppm.gz Normal file
View File

Binary file not shown.

1
schrodinger.c
View File

@ -192,6 +192,7 @@
#define WAVE_PACKET_SOURCE_TYPE 1 /* type of wave packet sources */
#define N_WAVE_PACKETS 15 /* number of wave packets */
#define OSCIL_LEFT_YSHIFT 0.0 /* y-dependence of left oscillation (for non-horizontal waves) */
#define OSCILLATING_SOURCE_PERIOD 20 /* period of oscillating source */
/* end of constants only used by sub_wave and sub_maze */

261
sub_lj.c
View File

@ -34,8 +34,8 @@ int writetiff(char *filename, char *description, int x, int y, int width, int he
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, image);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32) height);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32_t) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32_t) height);
TIFFSetField(file, TIFFTAG_BITSPERSAMPLE, 8);
TIFFSetField(file, TIFFTAG_COMPRESSION, compression);
TIFFSetField(file, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
@ -622,15 +622,18 @@ void init_particle_config(t_particle particles[NMAXCIRCLES])
case (C_SQUARE):
{
ncircles = NGRIDX*NGRIDY;
dy = (YMAX - YMIN)/((double)NGRIDY);
dx = (INITXMAX - INITXMIN)/((double)NGRIDX);
dy = (INITYMAX - INITYMIN)/((double)NGRIDY);
for (i = 0; i < NGRIDX; i++)
for (j = 0; j < NGRIDY; j++)
{
n = NGRIDY*i + j;
particles[n].xc = ((double)(i-NGRIDX/2) + 0.5)*dy;
particles[n].yc = YMIN + ((double)j + 0.5)*dy;
particles[n].xc = INITXMIN + ((double)i - 0.5)*dx;
particles[n].yc = INITYMIN + ((double)j - 0.5)*dy;
particles[n].radius = MU;
particles[n].active = 1;
/* activate only circles that intersect the domain */
if ((particles[n].yc < INITYMAX + MU)&&(particles[n].yc > INITYMIN - MU)&&(particles[n].xc < INITXMAX + MU)&&(particles[n].xc > INITXMIN - MU)) particles[n].active = 1;
else particles[n].active = 0;
}
break;
}
@ -1616,7 +1619,7 @@ void init_segment_config(t_segment segment[NMAXSEGMENTS])
/* initialise linear obstacle configuration */
{
int i, j, cycle = 0, iminus, iplus, nsides, n, concave = 1;
double angle, angle2, dangle, dx, width, height, a, b, length, xmid = 0.5*(BCXMIN + BCXMAX), lpocket, r, x, x1, y1, x2, y2, nozx, nozy, y, dy, ca, sa;
double angle, angle2, dangle, dx, width, height, a, b, length, xmid = 0.5*(BCXMIN + BCXMAX), lpocket, r, x, x1, y1, x2, y2, nozx, nozy, y, yy, dy, ca, sa, padding;
switch (SEGMENT_PATTERN) {
case (S_RECTANGLE):
@ -2399,6 +2402,82 @@ void init_segment_config(t_segment segment[NMAXSEGMENTS])
break;
}
case (S_COANDA):
{
y1 = SEGMENTS_Y0;
width = 0.05;
padding = 0.01;
height = 0.25;
dx = (XMAX - XMIN + 2.0*padding)/(double)(NPOLY-1);
for (i=0; i<NPOLY; i++)
{
x = XMIN - padding + (double)i*dx;
y = y1 + height*cos(PI*x/XMAX);
segment[i].x1 = x;
segment[i].y1 = y + width;
segment[i].x2 = x + dx;
segment[i].x2 = y1 + height*cos(PI*(x+dx)/XMAX) + width;
segment[i].concave = 1;
}
for (i=0; i<NPOLY; i++)
{
x = XMAX + padding - (double)i*dx;
y = y1 + height*cos(PI*x/XMAX);
segment[NPOLY+i].x1 = x;
segment[NPOLY+i].y1 = y - width;
segment[NPOLY+i].x2 = x - dx;
segment[NPOLY+i].x2 = y1 + height*cos(PI*(x-dx)/XMAX) - width;
segment[NPOLY+i].concave = 1;
}
nsegments = 2*NPOLY;
cycle = 1;
concave = 1;
for (i=0; i<nsegments; i++)
{
segment[i].inactivate = 0;
}
break;
}
case (S_COANDA_SHORT):
{
y1 = SEGMENTS_Y0;
width = 0.05;
padding = 0.1;
x1 = XMIN + padding;
height = 0.2;
length = 0.85*(XMAX - XMIN - 2.0*padding);
dx = length/(double)(NPOLY-1);
for (i=0; i<NPOLY; i++)
{
x = x1 + (double)i*dx;
y = y1 - height*cos(DPI*(x-x1)/length);
yy = y1 - height*cos(DPI*(x+dx-x1)/length);
add_rotated_angle_to_segments(x, y, x+dx, yy, width, 1, segment, 0);
}
cycle = 0;
concave = 1;
for (i=0; i<nsegments; i++)
{
segment[i].inactivate = 0;
}
break;
}
default:
{
printf("Function init_segment_config not defined for this pattern \n");
@ -2491,6 +2570,10 @@ void init_segment_config(t_segment segment[NMAXSEGMENTS])
segment[i].angle02 = segment[i].angle2;
}
/* initialize averaged pressure */
if (SHOW_SEGMENTS_PRESSURE) for (i=0; i<nsegments; i++)
segment[i].avrg_pressure = 0.0;
// for (i=0; i<nsegments; i++)
// {
// printf("Segment %i: (x1, y1) = (%.3lg,%.3lg), (x2, y2) = (%.3lg,%.3lg)\n (nx, ny) = (%.3lg,%.3lg), c = %.3lg, length = %.3lg\n", i, segment[i].x1, segment[i].y1, segment[i].x2, segment[i].y2, segment[i].nx, segment[i].ny, segment[i].c, segment[i].length);
@ -2550,7 +2633,7 @@ int in_segment_region(double x, double y, t_segment segment[NMAXSEGMENTS])
/* returns 1 if (x,y) is inside region delimited by obstacle segments */
{
int i;
double angle, dx, height, width, theta, lx, ly, x1, y1, x2, y2, padding, ca, sa, r;
double angle, dx, height, width, length, theta, lx, ly, x1, y1, x2, y2, padding, ca, sa, r;
if (x >= BCXMAX) return(0);
if (x <= BCXMIN) return(0);
@ -2750,6 +2833,17 @@ int in_segment_region(double x, double y, t_segment segment[NMAXSEGMENTS])
y1 += 0.5*x1*x1;
return(x1*x1 + 25.0*y1*y1 > LAMBDA*LAMBDA*(1.0 + padding));
}
case (S_COANDA):
{
return(vabs(y - SEGMENTS_Y0 - 0.25*cos(PI*x/XMAX)) > 0.1);
}
case (S_COANDA_SHORT):
{
x1 = XMIN + 0.1;
length = 0.85*(XMAX - XMIN - 0.2);
if (x > x1 + length + 0.1) return(1);
return(vabs(y - SEGMENTS_Y0 + 0.2*cos(DPI*(x-x1)/length)) > 0.05);
}
case (S_MAZE):
{
for (i=0; i<nsegments; i++)
@ -3384,7 +3478,7 @@ int compute_particle_interaction(int i, int k, double force[2], double *torque,
/* compute repelling force and torque of particle #k on particle #i */
/* returns 1 if distance between particles is smaller than NBH_DIST_FACTOR*MU */
{
double x1, y1, x2, y2, r, f, angle, aniso, fx, fy, ff[2], dist_scaled, spin_f, ck, sk, ck_rel, sk_rel, alpha, amp;
double x1, y1, x2, y2, r, f, angle, aniso, fx, fy, ff[2], dist_scaled, spin_f, ck, sk, ck_rel, sk_rel, alpha, amp, charge;
static double dxhalf = 0.5*(BCXMAX - BCXMIN), dyhalf = 0.5*(BCYMAX - BCYMIN);
int wwrapx, wwrapy, twrapx, twrapy;
@ -3514,6 +3608,17 @@ int compute_particle_interaction(int i, int k, double force[2], double *torque,
}
break;
}
case (I_COULOMB_LJ):
{
charge = particle[i].charge*particle[k].charge;
f = -100.0*krepel*charge/(1.0e-12 + distance*distance);
if (charge < 0.0)
f += 0.01*krepel*lennard_jones_force(distance, particle[k]);
force[0] = f*ca;
force[1] = f*sa;
break;
}
}
if (ROTATION)
@ -3998,7 +4103,7 @@ void compute_particle_colors(t_particle particle, int plot, double rgb[3], doubl
if (hue > DPI) hue -= DPI;
hue = PARTICLE_HUE_MIN + (PARTICLE_HUE_MAX - PARTICLE_HUE_MIN)*(hue)/DPI;
ej = particle.emean;
if (ej < 0.1*PARTICLE_EMAX) lum = 10.0*ej/PARTICLE_EMAX;
if (ej < 0.5*PARTICLE_EMAX) lum = 2.0*ej/PARTICLE_EMAX;
else lum = 1.0;
*radius = particle.radius;
*width = BOUNDARY_WIDTH;
@ -4127,6 +4232,21 @@ void set_segment_group_color(int group, double lum, double rgb[3])
glColor3f(lum*rgb[0], lum*rgb[1], lum*rgb[2]);
}
void set_segment_pressure_color(double pressure, double lum, double rgb[3])
{
double hue;
// if (pressure < 0.0) pressure = 0.0;
hue = PARTICLE_HUE_MIN + (PARTICLE_HUE_MAX - PARTICLE_HUE_MIN)*pressure/SEGMENT_PMAX;
if (hue > PARTICLE_HUE_MIN) hue = PARTICLE_HUE_MIN;
else if (hue < PARTICLE_HUE_MAX) hue = PARTICLE_HUE_MAX;
hsl_to_rgb_turbo(hue, 0.9, lum, rgb);
glColor3f(rgb[0], rgb[1], rgb[2]);
}
void draw_altitude_lines()
{
int i, i1, i2;
@ -4625,8 +4745,18 @@ int draw_special_particle(t_particle particle, double xc1, double yc1, double ra
void draw_one_particle(t_particle particle, double xc, double yc, double radius, double angle, int nsides, double width, double rgb[3])
/* draw one of the particles */
{
double ca, sa, x1, x2, y1, y2, xc1, yc1, wangle, newradius = radius;
double x1, x2, y1, y2, xc1, yc1, wangle, newradius = radius;
int wsign, cont = 1, draw = 1;
static double ca, sa;
static int first = 1;
if (first)
{
angle = APOLY*PID;
ca = cos(angle);
sa = sin(angle);
first = 0;
}
if (CENTER_VIEW_ON_OBSTACLE) xc1 = xc - xshift;
else xc1 = xc;
@ -4651,14 +4781,16 @@ void draw_one_particle(t_particle particle, double xc, double yc, double radius,
/* draw crosses on particles of second type */
if ((TWO_TYPES)&&(DRAW_CROSS))
if (particle.type == 1)
if (particle.type == 2)
{
if (ROTATION) angle = angle + APOLY*PID;
else angle = APOLY*PID;
ca = cos(angle);
sa = sin(angle);
glLineWidth(3);
glColor3f(0.0, 0.0, 0.0);
if (ROTATION)
{
angle = angle + APOLY*PID;
ca = cos(angle);
sa = sin(angle);
}
glLineWidth(2);
glColor3f(1.0, 1.0, 1.0);
x1 = xc1 - MU_B*ca;
y1 = yc1 - MU_B*sa;
x2 = xc1 + MU_B*ca;
@ -5002,6 +5134,7 @@ void draw_container(double xmin, double xmax, t_obstacle obstacle[NMAXOBSTACLES]
for (i = 0; i < nsegments; i++) if (segment[i].active)
{
if (COLOR_SEG_GROUPS) set_segment_group_color(segment[i].group, 1.0, rgb);
else if (SHOW_SEGMENTS_PRESSURE) set_segment_pressure_color(segment[i].avrg_pressure, 1.0, rgb);
draw_line(segment[i].x1 - xtrack, segment[i].y1 - ytrack, segment[i].x2 - xtrack, segment[i].y2 - ytrack);
}
}
@ -5248,6 +5381,12 @@ void print_omega(double angle, double angular_speed, double fx, double fy)
glColor3f(1.0, 1.0, 1.0);
sprintf(message, "Fy = %.4f", fy);
write_text(xrighttext + 0.1, y1, message);
y1 -= 0.1;
erase_area_hsl(xrightbox, y1 + 0.025, 0.42, 0.05, 0.0, 0.9, 0.0);
glColor3f(1.0, 1.0, 1.0);
sprintf(message, "Fy/Fx = %.4f", fy/fx);
write_text(xrighttext + 0.1, y1, message);
}
}
@ -5389,10 +5528,17 @@ void print_parameters(t_lj_parameters params, short int left, double pressure[N_
}
else if (INCREASE_KREPEL) /* print force constant */
{
erase_area_hsl(xbox, y + 0.025*scale, 0.22*scale, 0.05*scale, 0.0, 0.9, 0.0);
erase_area_hsl(xbox, y + 0.025*scale, 0.35*scale, 0.05*scale, 0.0, 0.9, 0.0);
glColor3f(1.0, 1.0, 1.0);
sprintf(message, "Force %.0f", params.krepel);
write_text(xtext + 0.28, y, message);
sprintf(message, "Force constant %.0f", params.krepel);
write_text(xtext + 0.03, y, message);
}
else if (INCREASE_E) /* print electric field */
{
erase_area_hsl(xbox, y + 0.025*scale, 0.27*scale, 0.05*scale, 0.0, 0.9, 0.0);
glColor3f(1.0, 1.0, 1.0);
sprintf(message, "E field = %.2f", 25.0*NVID*DT_PARTICLE*params.efield);
write_text(xtext + 0.08, y, message);
}
if (RECORD_PRESSURES)
@ -5869,9 +6015,7 @@ void print_particles_speeds(t_particle particle[NMAXCIRCLES])
write_text(xrighttext + 0.1, y, message);
}
double compute_boundary_force(int j, t_particle particle[NMAXCIRCLES], t_obstacle obstacle[NMAXOBSTACLES],
t_segment segment[NMAXSEGMENTS],
double xleft, double xright, double *pleft, double *pright, double pressure[N_PRESSURES], int wall)
double compute_boundary_force(int j, t_particle particle[NMAXCIRCLES], t_obstacle obstacle[NMAXOBSTACLES], t_segment segment[NMAXSEGMENTS], double xleft, double xright, double *pleft, double *pright, double pressure[N_PRESSURES], int wall)
{
int i, k;
double xmin, xmax, ymin, ymax, padding, r, rp, r2, cphi, sphi, f, fperp = 0.0, x, y, xtube, distance, dx, dy, width, ybin, angle, x1, x2, h, ytop, norm, dleft, dplus, dminus, tmp_pleft = 0.0, tmp_pright = 0.0, proj, pscal, pvect, pvmin;
@ -5914,8 +6058,6 @@ double compute_boundary_force(int j, t_particle particle[NMAXCIRCLES], t_obstacl
particle[j].fx += f*segment[i].nx;
particle[j].fy += f*segment[i].ny;
if ((MOVE_BOUNDARY)||(MOVE_SEGMENT_GROUPS)||(PRINT_SEGMENTS_FORCE))
{
segment[i].fx -= f*segment[i].nx;
@ -5923,6 +6065,14 @@ double compute_boundary_force(int j, t_particle particle[NMAXCIRCLES], t_obstacl
segment[i].torque -= (x - segment[i].xc)*f*segment[i].ny - (y - segment[i].yc)*f*segment[i].nx;
// printf("Segment %i: f = (%.3lg, %.3lg)\n", i, segment[i].fx, segment[i].fy);
}
if (SHOW_SEGMENTS_PRESSURE)
{
segment[i].pressure = f/segment[i].length;
segment[i].avrg_pressure *= (1.0 - P_AVRG_FACTOR);
segment[i].avrg_pressure += P_AVRG_FACTOR*segment[i].pressure;
// printf("Segment %i: pressure = %.3lg\n", i, segment[i].avrg_pressure);
}
}
if ((VICSEK_INT)&&(vabs(distance) < 1.5*r))
{
@ -6480,21 +6630,51 @@ int reorder_particles(t_particle particle[NMAXCIRCLES], double py[NMAXCIRCLES],
}
int twotype_config(int i, t_particle particle[NMAXCIRCLES])
/* assign different particle types */
{
switch (TWOTYPE_CONFIG) {
case (TTC_RANDOM): return((double)rand()/RAND_MAX > TYPE_PROPORTION);
case (TTC_CHESSBOARD):
{
switch (CIRCLE_PATTERN) {
case (C_SQUARE): return((i%NGRIDY + i/NGRIDY)%2 == 0);
case (C_HEX): return(i%2 == 0);
default: return(i%2 == 0);
}
}
case (TTC_COANDA):
{
if (vabs(particle[i].yc) < LAMBDA) return(1);
if (vabs(particle[i].yc) < LAMBDA + MU) return(-1);
return(0);
}
default: return(0);
}
}
int initialize_configuration(t_particle particle[NMAXCIRCLES], t_hashgrid hashgrid[HASHX*HASHY], t_obstacle obstacle[NMAXOBSTACLES], double px[NMAXCIRCLES], double py[NMAXCIRCLES], double pangle[NMAXCIRCLES], int tracer_n[N_TRACER_PARTICLES],
t_segment segment[NMAXSEGMENTS])
/* initialize all particles, obstacles, and the hashgrid */
{
int i, j, k, n, nactive = 0;
int i, j, k, n, type, nactive = 0;
double x, y, h, xx, yy, rnd;
for (i=0; i < ncircles; i++)
{
/* set particle type */
particle[i].type = 0;
if ((TWO_TYPES)&&((double)rand()/RAND_MAX > TYPE_PROPORTION))
// if ((TWO_TYPES)&&((double)rand()/RAND_MAX > TYPE_PROPORTION))
if ((TWO_TYPES)&&(twotype_config(i, particle)))
{
particle[i].type = 2;
particle[i].radius = MU_B;
type = twotype_config(i, particle);
if (type == 1)
{
particle[i].type = 2;
particle[i].radius = MU_B;
}
else if (type == -1) particle[i].active = 0;
}
if ((INTERACTION == I_VICSEK_SHARK)&&(i==1))
{
@ -6524,6 +6704,7 @@ t_segment segment[NMAXSEGMENTS])
particle[i].spin_freq = SPIN_INTER_FREQUENCY;
particle[i].mass_inv = 1.0/PARTICLE_MASS;
particle[i].inertia_moment_inv = 1.0/PARTICLE_INERTIA_MOMENT;
particle[i].charge = CHARGE;
}
else
{
@ -6533,10 +6714,25 @@ t_segment segment[NMAXSEGMENTS])
particle[i].spin_freq = SPIN_INTER_FREQUENCY_B;
particle[i].mass_inv = 1.0/PARTICLE_MASS_B;
particle[i].inertia_moment_inv = 1.0/PARTICLE_INERTIA_MOMENT_B;
particle[i].charge = CHARGE_B;
}
particle[i].vx = V_INITIAL*gaussian();
particle[i].vy = V_INITIAL*gaussian();
switch (V_INITIAL_TYPE)
{
case (VI_RANDOM):
{
particle[i].vx = V_INITIAL*gaussian();
particle[i].vy = V_INITIAL*gaussian();
break;
}
case (VI_COANDA):
{
if (vabs(particle[i].yc) < LAMBDA) particle[i].vx = V_INITIAL;
else particle[i].vx = 0.0;
particle[i].vy = 0.0;
break;
}
}
if ((INTERACTION == I_VICSEK_SHARK)&&(i==1))
{
@ -6596,6 +6792,7 @@ t_segment segment[NMAXSEGMENTS])
particle[i].dirmean = 0.0;
particle[i].mass_inv = 1.0/PARTICLE_MASS;
particle[i].inertia_moment_inv = 1.0/PARTICLE_INERTIA_MOMENT;
particle[i].charge = 0.0;
particle[i].vx = 0.0;
particle[i].vy = 0.0;
px[i] = 0.0;

4
sub_part_billiard.c
View File

@ -110,8 +110,8 @@ int writetiff(char *filename, char *description, int x, int y, int width, int he
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, image);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32) height);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32_t) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32_t) height);
TIFFSetField(file, TIFFTAG_BITSPERSAMPLE, 8);
TIFFSetField(file, TIFFTAG_COMPRESSION, compression);
TIFFSetField(file, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);

4
sub_part_billiard_phasespace.c
View File

@ -112,8 +112,8 @@ int writetiff(char *filename, char *description, int x, int y, int width, int he
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, image);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32) height);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32_t) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32_t) height);
TIFFSetField(file, TIFFTAG_BITSPERSAMPLE, 8);
TIFFSetField(file, TIFFTAG_COMPRESSION, compression);
TIFFSetField(file, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);

4
sub_perco.c
View File

@ -50,8 +50,8 @@ int writetiff(char *filename, char *description, int x, int y, int width, int he
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, image);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32) height);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32_t) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32_t) height);
TIFFSetField(file, TIFFTAG_BITSPERSAMPLE, 8);
TIFFSetField(file, TIFFTAG_COMPRESSION, compression);
TIFFSetField(file, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);

833
sub_sphere.c
View File

File diff suppressed because it is too large Load Diff

68
sub_wave.c
View File

@ -30,8 +30,8 @@ int writetiff_new(char *filename, char *description, int x, int y, int width, in
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, image);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32) height);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32_t) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32_t) height);
TIFFSetField(file, TIFFTAG_BITSPERSAMPLE, 8);
TIFFSetField(file, TIFFTAG_COMPRESSION, compression);
TIFFSetField(file, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
@ -85,8 +85,8 @@ int writetiff(char *filename, char *description, int x, int y, int width, int he
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, image);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32) height);
TIFFSetField(file, TIFFTAG_IMAGEWIDTH, (uint32_t) width);
TIFFSetField(file, TIFFTAG_IMAGELENGTH, (uint32_t) height);
TIFFSetField(file, TIFFTAG_BITSPERSAMPLE, 8);
TIFFSetField(file, TIFFTAG_COMPRESSION, compression);
TIFFSetField(file, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
@ -3130,6 +3130,13 @@ int xy_in_billiard_single_domain(double x, double y, int b_domain, int ncirc, t_
}
return(1);
}
case (D_LENS):
{
if (vabs(y) > MU) return(1);
a = LAMBDA - 0.25;
if (x > 0) return ((x+a)*(x+a) + y*y > LAMBDA*LAMBDA);
return ((x-a)*(x-a) + y*y > LAMBDA*LAMBDA);
}
case (D_MENGER):
{
x1 = 0.5*(x+1.0);
@ -4537,6 +4544,22 @@ void draw_billiard(int fade, double fade_value) /* draws the billiard bound
}
break;
}
case (D_LENS):
{
a = LAMBDA - 0.25;
if (first)
{
arcangle = asin(MU/LAMBDA);
ll = LAMBDA*cos(arcangle) - a;
first = 0;
}
draw_circle_arc(-a, 0.0, LAMBDA, -arcangle, 2.0*arcangle, NSEG);
draw_line(ll, MU, -ll, MU);
draw_circle_arc(a, 0.0, LAMBDA, PI-arcangle, 2.0*arcangle, NSEG);
draw_line(-ll, -MU, ll, -MU);
break;
}
case (D_MENGER):
{
glLineWidth(3);
@ -6330,7 +6353,7 @@ void init_wave_packets(t_wave_packet *packet, int radius)
printf("Initialising wave packets\n");
switch (WAVE_PACKET_SOURCE_TYPE) {
case (0):
case (WP_RANDOM1):
{
nx = (int)sqrt((double)N_WAVE_PACKETS);
ny = N_WAVE_PACKETS/nx;
@ -6356,15 +6379,12 @@ void init_wave_packets(t_wave_packet *packet, int radius)
break;
}
case (1):
case (WP_RANDOM2):
{
for (i=0; i<N_WAVE_PACKETS; i++)
{
// j = i/nx;
// k = i%nx;
packet[i].xc = XMIN + 0.15*(XMAX - XMIN)*(double)rand()/RAND_MAX;
packet[i].yc = 0.4*(YMAX - YMIN)*((double)rand()/RAND_MAX - 0.5);
// packet[i].period = 30.0*(1.0 + 0.5*(double)rand()/RAND_MAX);
packet[i].period = 50.0*(1.0 + 0.5*(double)rand()/RAND_MAX);
packet[i].amp = INITIAL_AMP;
packet[i].phase = DPI*(double)rand()/RAND_MAX;
@ -6377,6 +6397,27 @@ void init_wave_packets(t_wave_packet *packet, int radius)
packet[i].iy = ij[1];
}
break;
}
case (WP_PAIR):
{
for (i=0; i<2; i++)
{
packet[i].xc = -1.25;
packet[i].yc = 0.06;
if (i==1) packet[i].yc *= -1.0;
packet[i].period = OSCILLATING_SOURCE_PERIOD;
packet[i].amp = INITIAL_AMP;
packet[i].phase = 0.0;
packet[i].var_envelope = 100000.0;
packet[i].time_shift = 0;
xy_to_ij(packet[i].xc, packet[i].yc, ij);
if(ij[0] <= radius) ij[0] = radius+1;
packet[i].ix = ij[0];
packet[i].iy = ij[1];
}
break;
}
}
@ -6390,18 +6431,23 @@ double wave_packet_height(double t, t_wave_packet packet, int type_envelope)
cwave = packet.amp*cos(DPI*t/packet.period + packet.phase);
switch (type_envelope) {
case (0):
case (WE_SINE):
{
envelope = 0.1 + sin(DPI*t/packet.var_envelope);
envelope = envelope*envelope;
break;
}
case (1):
case (WE_CUTOFF):
{
if (t < (double)packet.var_envelope) envelope = 1.0;
else envelope = 0.0;
break;
}
case (WE_CONSTANT):
{
envelope = 1.0;
break;
}
}
return(cwave*envelope);

7
wave_energy.c
View File

@ -219,16 +219,11 @@
#define IOR 7 /* choice of index of refraction, see list in global_pdes.c */
#define IOR_TOTAL_TURNS 1.5 /* total angle of rotation for IOR_PERIODIC_WELLS_ROTATING */
#define MANDEL_IOR_SCALE -0.05 /* parameter controlling dependence of IoR on Mandelbrot escape speed */
#define COURANT 0.04 /* Courant number */
#define COURANTB 0.0 /* Courant number in medium B */
#define INITIAL_AMP 0.5 /* amplitude of initial condition */
#define INITIAL_VARIANCE 0.0003 /* variance of initial condition */
#define INITIAL_WAVELENGTH 0.015 /* wavelength of initial condition */
#define TWOSPEEDS 0 /* set to 1 to replace hardcore boundary by medium with different speed */
#define WAVE_PACKET_SOURCE_TYPE 1 /* type of wave packet sources */
#define N_WAVE_PACKETS 15 /* number of wave packets */
#define OSCIL_LEFT_YSHIFT 0.0 /* y-dependence of left oscillation (for non-horizontal waves) */
#define DRAW_WAVE_PROFILE 0 /* set to 1 to draw a profile of the wave */
#define OSCILLATING_SOURCE_PERIOD 20 /* period of oscillating source */
/* end of constants only used by sub_wave and sub_maze */
#include "global_pdes.c" /* constants and global variables */

138
wave_sphere.c
View File

@ -53,6 +53,7 @@
#define DPOLE 20 /* safety distance to poles */
#define SMOOTHPOLE 0.1 /* smoothing coefficient at poles */
#define ZERO_MERIDIAN 0.0 /* choice of zero meridian (will be at left/right boundary of 2d plot) */
#define XMIN -2.0
#define XMAX 2.0 /* x interval */
@ -61,10 +62,10 @@
#define HIGHRES 0 /* set to 1 if resolution of grid is double that of displayed image */
#define JULIA_SCALE 0.25 /* scaling for Julia sets */
#define JULIA_ROT 90.0 /* rotation of Julia set, in degrees */
#define JULIA_RE -0.77145
#define JULIA_IM -0.10295 /* parameters for Julia sets */
#define JULIA_SCALE 0.6 /* scaling for Julia sets */
#define JULIA_ROT -20.0 /* rotation of Julia set, in degrees */
#define JULIA_RE 0.5
#define JULIA_IM 0.462 /* parameters for Julia sets */
/* Choice of the billiard table */
@ -77,7 +78,7 @@
#define CIRCLE_PATTERN_B 0 /* second pattern of circles or polygons */
#define VARIABLE_IOR 0 /* set to 1 for a variable index of refraction */
#define IOR 9 /* choice of index of refraction, see list in global_pdes.c */
#define IOR 10 /* choice of index of refraction, see list in global_pdes.c */
#define IOR_TOTAL_TURNS 1.0 /* total angle of rotation for IOR_PERIODIC_WELLS_ROTATING */
#define MANDEL_IOR_SCALE -0.05 /* parameter controlling dependence of IoR on Mandelbrot escape speed */
@ -114,7 +115,7 @@
/* Physical parameters of wave equation */
#define TWOSPEEDS 0 /* set to 1 to replace hardcore boundary by medium with different speed */
#define TWOSPEEDS 1 /* 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 3 /* oscillation schedule, see list in global_pdes.c */
@ -124,7 +125,7 @@
#define ACHIRP 0.2 /* acceleration coefficient in chirp */
#define DAMPING 0.0 /* damping of periodic excitation */
#define COURANT 0.05 /* Courant number */
#define COURANTB 0.01 /* Courant number in medium B */
#define COURANTB 0.002 /* Courant number in medium B */
#define GAMMA 0.0 /* damping factor in wave equation */
#define GAMMAB 1.0e-6 /* damping factor in wave equation */
#define GAMMA_SIDES 1.0e-4 /* damping factor on boundary */
@ -155,7 +156,7 @@
/* Parameters for length and speed of simulation */
#define NSTEPS 3600 /* number of frames of movie */
#define NSTEPS 2500 /* number of frames of movie */
#define NVID 4 /* 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 */
@ -167,15 +168,14 @@
#define SLEEP1 1 /* initial sleeping time */
#define SLEEP2 1 /* final sleeping time */
#define MID_FRAMES 100 /* number of still frames between parts of two-part movie */
#define END_FRAMES 100 /* number of still frames at end of movie */
#define END_FRAMES 500 /* number of still frames at end of movie */
#define FADE 1 /* set to 1 to fade at end of movie */
#define ROTATE_VIEW_WHILE_FADE 1 /* set to 1 to keep rotating viewpoint during fade */
/* Parameters of initial condition */
#define INITIAL_AMP 0.75 /* amplitude of initial condition */
#define INITIAL_VARIANCE 0.0005 /* variance of initial condition */
#define INITIAL_WAVELENGTH 0.025 /* wavelength of initial condition */
#define INITIAL_AMP 0.5 /* amplitude of initial condition */
#define INITIAL_VARIANCE 0.001 /* variance of initial condition */
#define INITIAL_WAVELENGTH 0.05 /* wavelength of initial condition */
/* Plot type, see list in global_pdes.c */
@ -188,15 +188,15 @@
#define CHANGE_LUMINOSITY 1 /* set to 1 to let luminosity depend on energy flux intensity */
#define FLUX_WINDOW 30 /* size of averaging window of flux intensity */
#define AMPLITUDE_HIGH_RES 1 /* set to 1 to increase resolution of plot */
#define SHADE_3D 1 /* set to 1 to change luminosity according to normal vector */
#define SHADE_2D 0 /* set to 1 to change luminosity according to normal vector to plane */
#define SHADE_3D 0 /* set to 1 to change luminosity according to normal vector */
#define SHADE_2D 1 /* set to 1 to change luminosity according to normal vector to plane */
#define SHADE_WAVE 1 /* set to 1 to have luminosity depend on wave height */
#define NON_DIRICHLET_BC 0 /* set to 1 to draw only facets in domain, if field is not zero on boundary */
#define FLOOR_ZCOORD 1 /* set to 1 to draw only facets with z not too negative */
#define DRAW_BILLIARD 0 /* set to 1 to draw boundary */
#define DRAW_BILLIARD_FRONT 0 /* set to 1 to draw front of boundary after drawing wave */
#define DRAW_CONSTRUCTION_LINES 0 /* set to 1 to draw construction lines of certain domains */
#define FADE_IN_OBSTACLE 1 /* set to 1 to fade color inside obstacles */
#define FADE_IN_OBSTACLE 0 /* set to 1 to fade color inside obstacles */
#define DRAW_OUTSIDE_GRAY 0 /* experimental, draw outside of billiard in gray */
#define SHADE_SCALE_2D 10.0 /* controls "depth" of 2D shading */
#define COS_LIGHT_MIN 0.0 /* controls angle-dependence of 2D shading */
@ -208,16 +208,19 @@
/* 3D representation */
#define REPRESENTATION_3D 1 /* choice of 3D representation */
#define PLOT_2D 0 /* switch to 2D representation, equirectangular projection */
#define PLOT_2D 1 /* switch to 2D representation, equirectangular projection */
#define PHISHIFT 0.0 /* shift of phi in 2D plot (in degrees) */
#define FLOODING 1 /* set to 1 to draw waves above altitude (for Earth representations) */
#define REP_AXO_3D 0 /* linear projection (axonometry) */
#define REP_PROJ_3D 1 /* projection on plane orthogonal to observer line of sight */
#define ROTATE_VIEW 1 /* set to 1 to rotate position of observer */
#define ROTATE_ANGLE -360.0 /* total angle of rotation during simulation */
#define ROTATE_ANGLE 75.0 /* total angle of rotation during simulation */
#define ROTATE_VIEW_WHILE_FADE 1 /* set to 1 to keep rotating viewpoint during fade */
#define VIEWPOINT_TRAJ 1 /* type of viewpoint trajectory */
#define VIEWPOINT_TRAJ 2 /* type of viewpoint trajectory */
#define MAX_LATITUDE 45.0 /* maximal latitude for viewpoint trajectory VP_ORBIT2 */
/* Color schemes */
@ -233,18 +236,18 @@
#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 VSCALE_AMPLITUDE 1.0 /* additional scaling factor for color scheme P_3D_AMPLITUDE */
#define VSCALE_ENERGY 10.0 /* additional scaling factor for color scheme P_3D_ENERGY */
#define VSCALE_AMPLITUDE 1.5 /* additional scaling factor for color scheme P_3D_AMPLITUDE */
#define VSCALE_ENERGY 4.0 /* additional scaling factor for color scheme P_3D_ENERGY */
#define PHASE_FACTOR 20.0 /* 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 E_SCALE 150.0 /* scaling factor for energy representation */
#define LOG_SCALE 0.75 /* scaling factor for energy log representation */
#define LOG_SHIFT 0.5 /* shift of colors on log scale */
#define LOG_ENERGY_FLOOR -10.0 /* floor value for log of (total) energy */
#define LOG_MEAN_ENERGY_SHIFT 1.0 /* additional shift for log of mean energy */
#define FLUX_SCALE 600.0 /* scaling factor for energy flux representation */
#define FLUX_CSCALE 5.0 /* scaling factor for color in energy flux representation */
#define FLUX_SCALE 1200.0 /* scaling factor for energy flux representation */
#define FLUX_CSCALE 2.0 /* scaling factor for color in energy flux representation */
#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 */
@ -261,9 +264,9 @@
#define MAZE_XSHIFT 0.0 /* horizontal shift of maze */
#define MAZE_WIDTH 0.02 /* half width of maze walls */
#define DRAW_COLOR_SCHEME 1 /* set to 1 to plot the color scheme */
#define COLORBAR_RANGE 3.0 /* scale of color scheme bar */
#define COLORBAR_RANGE_B 2.0 /* scale of color scheme bar for 2nd part */
#define DRAW_COLOR_SCHEME 0 /* set to 1 to plot the color scheme */
#define COLORBAR_RANGE 2.0 /* scale of color scheme bar */
#define COLORBAR_RANGE_B 3.0 /* scale of color scheme bar for 2nd part */
#define ROTATE_COLOR_SCHEME 0 /* set to 1 to draw color scheme horizontally */
#define CIRC_COLORBAR 0 /* set to 1 to draw circular color scheme */
#define CIRC_COLORBAR_B 0 /* set to 1 to draw circular color scheme */
@ -276,7 +279,6 @@
#define POT_FACT 20.0
/* end of constants only used by sub_wave and sub_maze */
/* For debugging purposes only */
#define FLOOR 1 /* set to 1 to limit wave amplitude to VMAX */
#define VMAX 10.0 /* max value of wave amplitude */
@ -286,18 +288,27 @@
double u_3d[2] = {0.75, -0.45}; /* projections of basis vectors for REP_AXO_3D representation */
double v_3d[2] = {-0.75, -0.45};
double w_3d[2] = {0.0, 0.015};
double light[3] = {0.816496581, -0.40824829, 0.40824829}; /* vector of "light" direction for P_3D_ANGLE color scheme */
double observer[3] = {6.0, 8.0, 2.5}; /* location of observer for REP_PROJ_3D representation */
double light[3] = {-0.816496581, 0.40824829, 0.40824829}; /* vector of "light" direction for P_3D_ANGLE color scheme */
double observer[3] = {-5.0, 8.0, -7.0}; /* location of observer for REP_PROJ_3D representation */
int reset_view = 0; /* switch to reset 3D view parameters (for option ROTATE_VIEW) */
#define ADD_DEM 1 /* add DEM (digital elevation model) */
#define ADD_NEGATIVE_DEM 0 /* add DEM with bathymetric data */
#define RSCALE_DEM 0.1 /* scaling factor of radial component for DEM */
#define SMOOTH_DEM 0 /* set to 1 to smoothen DEM (to make altitude less constant) */
#define DEM_SMOOTH_STEPS 10 /* number of smoothening steps */
#define DEM_SMOOTH_HEIGHT 0.5 /* relative height below which to smoothen */
#define DEM_MAXHEIGHT 8000 /* max height of DEM (estimated from Everest) */
#define PLANET_SEALEVEL 2500.0 /* sea level for flooded planet */
#define RSCALE 0.01 /* scaling factor of radial component */
#define RMAX 10.0 /* max value of radial component */
#define Z_SCALING_FACTOR 0.8 /* overall scaling factor of z axis for REP_PROJ_3D representation */
#define Z_SCALING_FACTOR 0.85 /* overall scaling factor of z axis for REP_PROJ_3D representation */
#define XY_SCALING_FACTOR 2.0 /* overall scaling factor for on-screen (x,y) coordinates after projection */
#define ZMAX_FACTOR 1.0 /* max value of z coordinate for REP_PROJ_3D representation */
#define XSHIFT_3D 0.0 /* overall x shift for REP_PROJ_3D representation */
#define YSHIFT_3D 0.0 /* overall y shift for REP_PROJ_3D representation */
#define COS_VISIBLE -0.75 /* limit on cosine of normal to shown facets */
#define COS_VISIBLE -0.5 /* limit on cosine of normal to shown facets */
#include "global_pdes.c" /* constants and global variables */
#include "global_3d.c" /* constants and global variables */
@ -498,25 +509,36 @@ void evolve_wave(double phi[NX*NY], double psi[NX*NY], double tmp[NX*NY], short
void draw_color_bar_palette(int plot, double range, int palette, int circular, int fade, double fade_value)
{
// double width = 0.2;
double width = 0.14;
double width = 0.12;
// double width = 0.2;
width *= (double)NX/(double)WINWIDTH;
if (ROTATE_COLOR_SCHEME)
draw_color_scheme_palette_3d(-1.0, -0.8, XMAX - 0.1, -1.0, plot, -range, range, palette, fade, fade_value);
else if (circular)
draw_circular_color_scheme_palette_3d(XMAX - 2.0*width, YMIN + 2.0*width, 1.5*width, 1.3*width, plot, -range, range, palette, fade, fade_value);
if (PLOT_2D)
{
if (ROTATE_COLOR_SCHEME)
draw_color_scheme_palette_fade(XMIN + 0.6, YMIN + 0.1, XMAX - 0.6, YMIN + 0.1 + width, plot, -range, range, palette, fade, fade_value);
else
draw_color_scheme_palette_fade(XMAX - 1.5*width, YMIN + 0.1, XMAX - 0.5*width, YMAX - 0.1, plot, -range, range, palette, fade, fade_value);
}
else
draw_color_scheme_palette_3d(XMAX - 1.5*width, YMIN + 0.1, XMAX - 0.5*width, YMAX - 0.1, plot, -range, range, palette, fade, fade_value);
{
if (ROTATE_COLOR_SCHEME)
draw_color_scheme_palette_3d(-1.0, -0.8, XMAX - 0.1, -1.0, plot, -range, range, palette, fade, fade_value);
else if (circular)
draw_circular_color_scheme_palette_3d(XMAX - 2.0*width, YMIN + 2.0*width, 1.5*width, 1.3*width, plot, -range, range, palette, fade, fade_value);
else
draw_color_scheme_palette_3d(XMAX - 1.5*width, YMIN + 0.1, XMAX - 0.5*width, YMAX - 0.1, plot, -range, range, palette, fade, fade_value);
}
}
void viewpoint_schedule(int i)
/* change position of observer */
{
int j;
double angle, ca, sa, r1;
static double observer_initial[3], r, ratio;
double angle, ca, sa, r1, interpolate, rho;
static double observer_initial[3], r, ratio, rho0, zmax;
static int first = 1;
if (first)
@ -525,10 +547,14 @@ void viewpoint_schedule(int i)
r1 = observer[0]*observer[0] + observer[1]*observer[1];
r = sqrt(r1 + observer[2]*observer[2]);
ratio = r/sqrt(r1);
rho0 = module2(observer[0], observer[1]);
if (vabs(rho0) < 0.001) rho0 = 0.001;
zmax = r*sin(MAX_LATITUDE*PI/180.0);
first = 0;
}
angle = (ROTATE_ANGLE*DPI/360.0)*(double)i/(double)NSTEPS;
interpolate = (double)i/(double)NSTEPS;
angle = (ROTATE_ANGLE*DPI/360.0)*interpolate;
ca = cos(angle);
sa = sin(angle);
switch (VIEWPOINT_TRAJ)
@ -546,6 +572,21 @@ void viewpoint_schedule(int i)
observer[2] = ca*observer_initial[2];
break;
}
case (VP_ORBIT2):
{
observer[0] = ca*observer_initial[0] - sa*observer_initial[1]*ratio;
observer[1] = ca*observer_initial[1] + sa*observer_initial[0]*ratio;
observer[2] = sa*zmax;
break;
}
case (VP_POLAR):
{
rho = -sa*observer_initial[2] + ca*rho0;
observer[0] = observer_initial[0]*rho/rho0;
observer[1] = observer_initial[1]*rho/rho0;
observer[2] = ca*observer_initial[2] + sa*rho0;
break;
}
}
printf("Angle %.3lg, Observer position (%.3lg, %.3lg, %.3lg)\n", angle, observer[0], observer[1], observer[2]);
@ -630,10 +671,7 @@ void animation()
courant2 = COURANT*COURANT;
courantb2 = COURANTB*COURANTB;
c = COURANT*(XMAX - XMIN)/(double)NX;
// a = 0.015;
// b = 0.0003;
// a = 0.04;
// b = 0.0018;
a = 0.05;
b = 0.0016;
@ -674,16 +712,18 @@ void animation()
// for (j=1; j<NPOLY; j++)
// add_circular_wave_mod(1.0, lambda1*cos(((double)j+0.5)*angle), lambda1*sin(((double)j+0.5)*angle), phi, psi, xy_in);
init_circular_wave_sphere(0.7, 0.5, phi, psi, xy_in, wsphere);
// init_wave_flat_sphere(phi, psi, xy_in, wsphere);
// init_circular_wave_sphere(0.25 + PID, 0.0, phi, psi, xy_in, wsphere);
// add_circular_wave_sphere(-1.0, 0.25 + 3.0*PID, 0.0, phi, psi, xy_in, wsphere);
init_circular_wave_sphere(123.3*PI/180.0, -48.8*PI/180.0, phi, psi, xy_in, wsphere);
// add_circular_wave_sphere(1.0, 1.0 - PI/9.0 + DPI/3.0, 0.15, phi, psi, xy_in, wsphere);
// add_circular_wave_sphere(1.0, 1.0 - PI/9.0 + 2.0*DPI/3.0, 0.15, phi, psi, xy_in, wsphere);
// printf("Wave initialized\n");
/* initialize table of wave speeds/dissipation */
init_speed_dissipation(xy_in, tc, tcc, tgamma);
init_speed_dissipation_sphere(xy_in, tc, tcc, tgamma, wsphere);
/* initialze potential to add to z coordinate */
if (ADD_POTENTIAL)