X-Git-Url: https://www.hackdaworld.org/gitweb/?a=blobdiff_plain;f=moldyn.h;h=0dbc1f96a91981ef7908297568279f948d497fb7;hb=c0ddf2bdd8067456f39f6b63fe2261624ebde6b7;hp=8254568af609f69d171862a7ba9d8023bee8decc;hpb=9f6af2cd82a72451741b68ca333f94c6c1d2eec5;p=physik%2Fposic.git diff --git a/moldyn.h b/moldyn.h index 8254568..0dbc1f9 100644 --- a/moldyn.h +++ b/moldyn.h @@ -12,7 +12,6 @@ #include "random/random.h" #include "list/list.h" - /* * * datatypes @@ -82,7 +81,6 @@ typedef struct s_moldyn { t_3dvec dim; /* dimensions of the simulation volume */ double volume; /* volume of sim cell (dim.x*dim.y*dim.z) */ - double vt1,vt2; /* potential force function and parameter pointers */ int (*func1b)(struct s_moldyn *moldyn,t_atom *ai); @@ -105,7 +103,9 @@ typedef struct s_moldyn { double t; /* actual temperature */ double p_ref; /* reference pressure */ - double p; /* actual pressure */ + double p; /* actual pressure (computed by virial) */ + t_3dvec tp; /* thermodynamic pressure dU/dV */ + double dv; /* dV for thermodynamic pressure calc */ /* pressure and temperature control (velocity/volume scaling) */ /* (t_tc in units of tau, p_tc in units of tau * isoth. compressib.) */ @@ -137,12 +137,16 @@ typedef struct s_moldyn { int mfd; /* fd for momentum log */ unsigned int vwrite; /* how often to visualize atom information */ unsigned int swrite; /* how often to create a save file */ + int rfd; /* report file descriptor */ + char rtitle[64]; /* report title */ + char rauthor[64]; /* report author */ + int pfd; /* gnuplot script file descriptor */ u8 status; /* general moldyn properties */ t_random random; /* random interface */ - int debug; /* debugging stuff, ignore */ + double debug; /* debugging stuff, ignore */ } t_moldyn; #define MOLDYN_STAT_PBX 0x01 /* periodic boudaries in x */ @@ -160,7 +164,6 @@ typedef struct s_moldyn { #define P_SCALE_BERENDSEN 0x04 /* berendsen p control */ #define P_SCALE_DIRECT 0x08 /* direct p control */ - /* * * potential parameter structures @@ -232,7 +235,7 @@ typedef struct s_tersoff_exchange { t_3dvec dzeta_ji; } t_tersoff_exchange; -/* tersoff multi (2!) potential parameters */ +/* tersoff mult (2!) potential parameters */ typedef struct s_tersoff_mult_params { double S[2]; /* tersoff cutoff radii */ double S2[2]; /* tersoff cutoff radii squared */ @@ -287,7 +290,7 @@ typedef struct s_tersoff_mult_params { #define KILOGRAM (1.0/AMU) /* amu */ #define NEWTON (METER*KILOGRAM/(SECOND*SECOND)) /* A amu / fs^2 */ #define PASCAL (NEWTON/(METER*METER)) /* N / A^2 */ -#define ATM (1.0133e5*PASCAL) /* N / A^2 */ +#define ATM ((1.0133e5*PASCAL)) /* N / A^2 */ #define MOLDYN_TEMP 273.0 #define MOLDYN_TAU 1.0 @@ -305,6 +308,7 @@ typedef struct s_tersoff_mult_params { #define LOG_TOTAL_MOMENTUM 0x02 #define SAVE_STEP 0x04 #define VISUAL_STEP 0x08 +#define CREATE_REPORT 0x10 #define TRUE 1 #define FALSE 0 @@ -326,7 +330,8 @@ typedef struct s_tersoff_mult_params { #define LC_SI (0.543105e-9*METER) /* A */ #define M_SI 28.08553 /* amu */ -#define LJ_SIGMA_SI ((0.25*sqrt(3.0)*LC_SI)/1.122462) /* A */ +//#define LJ_SIGMA_SI ((0.25*sqrt(3.0)*LC_SI)/1.122462) /* A */ +#define LJ_SIGMA_SI (LC_SI/1.122462) /* A */ #define LJ_EPSILON_SI (2.1678*EV) /* NA */ #define TM_R_SI (2.7e-10*METER) /* A */ @@ -359,8 +364,9 @@ typedef struct s_tersoff_mult_params { * lattice constants */ -#define FCC 0x01 -#define DIAMOND 0x02 +#define CUBIC 0x01 +#define FCC 0x02 +#define DIAMOND 0x04 /* @@ -391,11 +397,13 @@ int set_potential2b_post(t_moldyn *moldyn,pf_func2b_post func,void *params); int set_potential3b(t_moldyn *moldyn,pf_func3b func,void *params); int moldyn_set_log_dir(t_moldyn *moldyn,char *dir); +int moldyn_set_report(t_moldyn *moldyn,char *author,char *title); int moldyn_set_log(t_moldyn *moldyn,u8 type,int timer); int moldyn_log_shutdown(t_moldyn *moldyn); int create_lattice(t_moldyn *moldyn,u8 type,double lc,int element,double mass, u8 attr,u8 brand,int a,int b,int c); +int cubic_init(int a,int b,int c,double lc,t_atom *atom,t_3dvec *origin); int fcc_init(int a,int b,int c,double lc,t_atom *atom,t_3dvec *origin); int diamond_init(int a,int b,int c,double lc,t_atom *atom,t_3dvec *origin); int add_atom(t_moldyn *moldyn,int element,double mass,u8 brand,u8 attr, @@ -407,8 +415,11 @@ double temperature_calc(t_moldyn *moldyn); double get_temperature(t_moldyn *moldyn); int scale_velocity(t_moldyn *moldyn,u8 equi_init); double pressure_calc(t_moldyn *moldyn); +double thermodynamic_pressure_calc(t_moldyn *moldyn); double get_pressure(t_moldyn *moldyn); int scale_volume(t_moldyn *moldyn); +int scale_dim(t_moldyn *moldyn,double scale,u8 x,u8 y,u8 z); +int scale_atoms(t_moldyn *moldyn,double scale,u8 x,u8 y,u8 z); double get_e_kin(t_moldyn *moldyn); double update_e_kin(t_moldyn *moldyn);