X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=moldyn.h;h=49ca0b28f92133cedf8da5ee7831734f5892da17;hb=e763f6e3072fbbbc5ecf7345b989d7d29929a38f;hp=42764c5032f8be9244216518b0a82164837eaa81;hpb=512390ceb93a2dd630943165b35bba683e0ffcfc;p=physik%2Fposic.git diff --git a/moldyn.h b/moldyn.h index 42764c5..49ca0b2 100644 --- a/moldyn.h +++ b/moldyn.h @@ -10,6 +10,7 @@ #include "math/math.h" #include "random/random.h" +#include "list/list.h" /* datatypes */ @@ -19,27 +20,42 @@ 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; t_3dvec dim; /* potential, force & parameters */ - double (*potential)(struct s_moldyn *moldyn); - int (*force)(struct s_moldyn *moldyn); + int (*potential_force_function)(struct s_moldyn *moldyn); void *pot_params; + /* cut off radius */ double cutoff; double cutoff_square; + /* 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]; @@ -58,6 +74,8 @@ typedef struct s_moldyn { void *visual; /* moldyn general status */ unsigned char status; + /* random */ + t_random random; } t_moldyn; typedef struct s_ho_params { @@ -68,9 +86,18 @@ typedef struct s_ho_params { typedef struct s_lj_params { double sigma6; double sigma12; - double epsilon; + double epsilon4; } t_lj_params; +typedef struct s_tersoff_params { + double l_1,l_2; + double m_1,m_2; + double a_1,a_2; + double b_1,b_2; + double r_1,r_2; + double s_1,s_2; +} t_tersoff_params; + /* * defines */ @@ -89,8 +116,16 @@ typedef struct s_lj_params { #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 */ @@ -112,14 +147,15 @@ typedef struct s_lj_params { int moldyn_usage(char **argv); int moldyn_parse_argv(t_moldyn *moldyn,int argc,char **argv); -int moldyn_log_init(t_moldyn *moldyn,void *v); +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_moldyn *moldyn,t_random *random,int count); -int scale_velocity(t_moldyn *moldyn,int count); +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); @@ -127,12 +163,15 @@ 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