X-Git-Url: https://www.hackdaworld.org/gitweb/?a=blobdiff_plain;f=moldyn.h;h=3016bc491cf1049942aafaeb8dd7e2c0b8641960;hb=dc70c570abec4596355df26ff19756658e33e762;hp=a2633baf6f9d38a29b8655d619f9251879676459;hpb=45b27e01673a6cc5bebecb49c51d7f587917483e;p=physik%2Fposic.git diff --git a/moldyn.h b/moldyn.h index a2633ba..3016bc4 100644 --- a/moldyn.h +++ b/moldyn.h @@ -10,7 +10,7 @@ #include "math/math.h" #include "random/random.h" -//#include "visual/visual.h" +#include "list/list.h" /* datatypes */ @@ -20,24 +20,62 @@ typedef struct s_atom { t_3dvec f; /* forces */ int element; /* number of element in pse */ double mass; /* atom mass */ - //t_list vicinity /* verlet neighbour list */ } t_atom; +typedef struct s_linkcell { + int listfd; + int nx,ny,nz; + int cells; + double x,y,z; + t_list *subcell; +} t_linkcell; + +#include "visual/visual.h" + typedef struct s_moldyn { + /* atoms, amount, dimensions */ int count; t_atom *atom; - double (*potential)(struct s_moldyn *moldyn); + t_3dvec dim; + /* potential, force & parameters */ + int (*potential_force_function)(struct s_moldyn *moldyn); void *pot_params; - int (*force)(struct s_moldyn *moldyn); + /* cut off radius */ double cutoff; double cutoff_square; - t_3dvec dim; + /* linked list / cell method */ + t_linkcell lc; + /* temperature */ + double t; + /* integration of newtons equations */ int (*integrate)(struct s_moldyn *moldyn); int time_steps; double tau; + double tau_square; + /* energy */ + double energy; + /* logging & visualization */ + t_visual vis; + unsigned char lvstat; + unsigned int ewrite; + char efb[64]; + int efd; + unsigned int mwrite; + char mfb[64]; + int mfd; + unsigned int swrite; + char sfb[64]; + int sfd; + unsigned int dwrite; + char dfb[64]; + int dfd; + unsigned int vwrite; + char vfb[64]; void *visual; - int write; + /* moldyn general status */ unsigned char status; + /* random */ + t_random random; } t_moldyn; typedef struct s_ho_params { @@ -48,7 +86,7 @@ typedef struct s_ho_params { typedef struct s_lj_params { double sigma6; double sigma12; - double epsilon; + double epsilon4; } t_lj_params; /* @@ -57,9 +95,28 @@ typedef struct s_lj_params { /* general defines */ +#define MOLDYN_LVSTAT_TOTAL_E 0x01 +#define MOLDYN_LVSTAT_TOTAL_M 0x02 +#define MOLDYN_LVSTAT_SAVE 0x04 +#define MOLDYN_LVSTAT_DUMP 0x08 +#define MOLDYN_LVSTAT_VISUAL 0x10 +#define MOLDYN_LVSTAT_INITIALIZED 0x80 + #define MOLDYN_STAT_POTENTIAL 0x01 #define MOLDYN_STAT_FORCE 0x02 +#define MOLDYN_TEMP 273.0 +#define MOLDYN_TAU 1.0e-15 +#define MOLDYN_CUTOFF 10.0e-9 +#define MOLDYN_RUNS 1000000 + +#define MOLDYN_INTEGRATE_VERLET 0x00 +#define MOLDYN_INTEGRATE_DEFAULT MOLDYN_INTEGRATE_VERLET + +#define MOLDYN_POTENTIAL_HO 0x00 +#define MOLDYN_POTENTIAL_LJ 0x01 +#define MOLDYN_POTENTIAL_DEFAULT MOLDYN_POTENTIAL_LJ + /* phsical values */ #define K_BOLTZMANN 1.3807e-27 /* Nm/K */ @@ -74,16 +131,22 @@ typedef struct s_lj_params { #define SI 0x0e #define LC_SI 0.543105e-9 /* m */ #define M_SI (28.085*AMU) /* kg */ -#define LJ_SIGMA_SI ((0.25*sqrt(3.0)*LC_SI)/1.122462) /* m */ +#define LJ_SIGMA_SI ((0.20*sqrt(3.0)*LC_SI)/1.122462) /* m */ #define LJ_EPSILON_SI (2.1678*1.60e-19) /* Nm */ /* function prototypes */ +int moldyn_usage(char **argv); +int moldyn_parse_argv(t_moldyn *moldyn,int argc,char **argv); +int moldyn_log_init(t_moldyn *moldyn); +int moldyn_init(t_moldyn *moldyn,int argc,char **argv); +int moldyn_shutdown(t_moldyn *moldyn); + int create_lattice(unsigned char type,int element,double mass,double lc, int a,int b,int c,t_atom **atom); int destroy_lattice(t_atom *atom); -int thermal_init(t_atom *atom,t_random *random,int count,double t); -int scale_velocity(t_atom *atom,int count,double t); +int thermal_init(t_moldyn *moldyn); +int scale_velocity(t_moldyn *moldyn); double get_e_kin(t_atom *atom,int count); double get_e_pot(t_moldyn *moldyn); double get_total_energy(t_moldyn *moldyn); @@ -91,12 +154,15 @@ t_3dvec get_total_p(t_atom *atom,int count); double estimate_time_step(t_moldyn *moldyn,double nn_dist,double t); +int link_cell_init(t_moldyn *moldyn); +int link_cell_update(t_moldyn *moldyn); +int link_cell_neighbour_index(t_moldyn *moldyn,int i,int j,int k,t_list *cell); +int link_cell_shutdown(t_moldyn *moldyn); + int moldyn_integrate(t_moldyn *moldyn); int velocity_verlet(t_moldyn *moldyn); -double potential_harmonic_oscillator(t_moldyn *moldyn); -int force_harmonic_oscillator(t_moldyn *moldyn); -double potential_lennard_jones(t_moldyn *moldyn); -int force_lennard_jones(t_moldyn *moldyn); +int harmonic_oscillator(t_moldyn *moldyn); +int lennard_jones(t_moldyn *moldyn); #endif