X-Git-Url: https://hackdaworld.org/gitweb/?p=physik%2Fposic.git;a=blobdiff_plain;f=sic.c;h=e1103bd803dcb5676530411e05bc45a30376165c;hp=05de728c9e9cdd4be50bf73a1e1a51fd6956d195;hb=e1080fc0dd66b0cf5b7715c5e99e7a34ac04a8cf;hpb=e84546faff88301a68958b58f66f546b03294503 diff --git a/sic.c b/sic.c index 05de728..e1103bd 100644 --- a/sic.c +++ b/sic.c @@ -13,101 +13,42 @@ #include "potentials/harmonic_oscillator.h" #include "potentials/lennard_jones.h" #include "potentials/albe.h" - #ifdef TERSOFF_ORIG #include "potentials/tersoff_orig.h" #else #include "potentials/tersoff.h" #endif -//#define INJECT 800 -#define INJECT 1 -#define NR_ATOMS 1 -#define R_C 1.5 -#define T_C 5.0 -//#define INJ_LENX (1*ALBE_LC_SIC) -//#define INJ_LENY (1*ALBE_LC_SIC) -//#define INJ_LENZ (1*ALBE_LC_SIC) -#define INJ_LENX (1*ALBE_LC_SI) -#define INJ_LENY (1*ALBE_LC_SI) -#define INJ_LENZ (1*ALBE_LC_SI) -#define INJ_TYPE_SILICON -//#define INJ_TYPE_CARBON -#define INJ_OFFSET (ALBE_LC_SI/8.0) -#define RELAX_S 20 - -#define LCNTX 9 -#define LCNTY 9 -#define LCNTZ 9 -#define PRERUN 40 -#define POSTRUN 3000 - -#define R_TITLE "Silicon self-interstitial" -#define LOG_E 10 -#define LOG_T 10 -#define LOG_P 10 -#define LOG_S 100 -#define LOG_V 20 - typedef struct s_hp { - int a_count; /* atom count */ - u8 quit; /* quit mark */ - int argc; /* arg count */ - char **argv; /* args */ + int prerun_count; /* prerun count */ + int insert_count; /* insert count */ + int postrun_count; /* post run count */ + unsigned char state; /* current state */ + int argc; /* arg count */ + char **argv; /* args */ } t_hp; -int hook_del_atom(void *moldyn,void *hook_params) { - - t_moldyn *md; - t_hp *hp; +#define STATE_PRERUN 0x00 +#define STATE_INSERT 0x01 +#define STATE_POSTRUN 0x02 - md=moldyn; - hp=hook_params; +/* include the config file */ +#include "config.h" - set_pt_scale(md,0,0,T_SCALE_BERENDSEN,100.0); - del_atom(md,2); +int insert_atoms(t_moldyn *moldyn) { - return 0; -} - -int hook_add_atom(void *moldyn,void *hook_params) { - - t_moldyn *md; + int i,j; + u8 run; t_3dvec r,v,dist; double d; - unsigned char run; - int i,j; - t_atom *atom; - t_hp *hp; - - md=moldyn; - hp=hook_params; - /* quit */ - if(hp->quit) - return 0; - - /* switch on t scaling */ - if(md->schedule.count==0) - set_pt_scale(md,0,0,T_SCALE_BERENDSEN,100.0); + t_atom *atom; - /* last schedule add if there is enough carbon inside */ - if(hp->a_count==(INJECT*NR_ATOMS)) { - hp->quit=1; - moldyn_add_schedule(md,POSTRUN,1.0); - return 0; - } + atom=moldyn->atom; - /* more relaxing time for too high temperatures */ - if(md->t-md->t_ref>T_C) { - moldyn_add_schedule(md,RELAX_S,1.0); - return 0; - } + v.x=0; v.y=0; v.z=0; - /* inject carbon atoms */ - printf("injecting another %d atoms ... (-> %d / %d)\n", - NR_ATOMS,hp->a_count+NR_ATOMS,INJECT*NR_ATOMS); - for(j=0;jatom[4372].r.y=(-0.5+0.125+0.125)*ALBE_LC_SI; */ // random - /* - r.x=(rand_get_double(&(md->random))-0.5)*INJ_LENX; - r.y=(rand_get_double(&(md->random))-0.5)*INJ_LENY; - r.z=(rand_get_double(&(md->random))-0.5)*INJ_LENZ; - */ + // + r.x=(rand_get_double(&(moldyn->random))-0.5)*INS_LENX; + r.y=(rand_get_double(&(moldyn->random))-0.5)*INS_LENY; + r.z=(rand_get_double(&(moldyn->random))-0.5)*INS_LENZ; + // // offset - r.x+=INJ_OFFSET; - r.y+=INJ_OFFSET; - r.z+=INJ_OFFSET; + r.x+=INS_OFFSET; + r.y+=INS_OFFSET; + r.z+=INS_OFFSET; /* assume valid coordinates */ run=0; - for(i=0;icount;i++) { - atom=&(md->atom[i]); + for(i=0;icount;i++) { + atom=&(moldyn->atom[i]); v3_sub(&dist,&(atom->r),&r); + check_per_bound(moldyn,&dist); d=v3_absolute_square(&dist); /* reject coordinates */ - if(da_count+=NR_ATOMS; - /* add schedule for simulating injected atoms ;) */ - moldyn_add_schedule(md,RELAX_S,1.0); + return 0; +} + +int sic_hook(void *moldyn,void *hook_params) { + + t_hp *hp; + t_moldyn *md; + int steps; + double tau; + + hp=hook_params; + md=moldyn; + + /* switch on t scaling */ + if(md->schedule.count==0) + set_pt_scale(md,0,0,T_SCALE_BERENDSEN,100.0); + + /* my lousy state machine ! */ + + /* switch to insert state immediately */ + if(hp->state==STATE_PRERUN) + hp->state=STATE_INSERT; + + /* act according to state */ + switch(hp->state) { + case STATE_INSERT: + /* check temperature */ + if(md->t_avg-md->t_ref>INS_DELTA_TC) { + steps=INS_RELAX; + tau=INS_TAU; + break; + } + /* insert atoms */ + hp->insert_count+=1; + printf(" ### insert atoms (%d/%d) ###\n", + hp->insert_count*INS_ATOMS,INS_RUNS*INS_ATOMS); + insert_atoms(md); + /* change state after last insertion */ + if(hp->insert_count==INS_RUNS) + hp->state=STATE_POSTRUN; + break; + case STATE_POSTRUN: + /* settings */ + if(md->t-md->t_ref>POST_DELTA_TC) { + steps=POST_RELAX; + tau=POST_TAU; + } + /* decrease temperature */ + hp->postrun_count+=1; + printf(" ### postrun (%d/%d) ###\n", + hp->postrun_count,POST_RUNS); + set_temperature(md,md->t_ref-POST_DT); + if(hp->postrun_count==POST_RUNS) + return 0; + break; + default: + printf("[hook] FATAL (default case!?!)\n"); + break; + } + + /* add schedule */ + moldyn_add_schedule(md,steps,tau); return 0; } int main(int argc,char **argv) { - /* check argv */ - //if(argc!=3) { - // printf("[sic] usage: %s \n",argv[0]); - // return -1; - //} - /* main moldyn structure */ t_moldyn md; @@ -333,7 +325,6 @@ int main(int argc,char **argv) { // ATOM_ATTR_2BP|ATOM_ATTR_HB, 0,LCNTX,LCNTY,LCNTZ,NULL); // 1,LCNTX,LCNTY,LCNTZ,NULL); - // /* create zinkblende structure */ /* @@ -398,7 +389,7 @@ int main(int argc,char **argv) { set_pressure(&md,BAR); /* set amount of steps to skip before average calc */ - set_avg_skip(&md,(8.0/10.0*PRERUN)); + set_avg_skip(&md,AVG_SKIP); /* set p/t scaling */ //set_pt_scale(&md,0,0,T_SCALE_BERENDSEN,100.0); @@ -411,13 +402,13 @@ int main(int argc,char **argv) { thermal_init(&md,TRUE); /* create the simulation schedule */ - moldyn_add_schedule(&md,PRERUN,1.0); + moldyn_add_schedule(&md,PRERUN,PRE_TAU); /* schedule hook function */ memset(&hookparam,0,sizeof(t_hp)); hookparam.argc=argc; hookparam.argv=argv; - moldyn_set_schedule_hook(&md,&hook_add_atom,&hookparam); + moldyn_set_schedule_hook(&md,&sic_hook,&hookparam); //moldyn_set_schedule_hook(&md,&hook_del_atom,&hookparam); //moldyn_add_schedule(&md,POSTRUN,1.0);