X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=sic.c;h=8901104bb849971bdfbd99bd59f59fc25e1dc2e6;hb=42cf5612e9b7a14314b5dd295d692ebe19ecd295;hp=e1103bd803dcb5676530411e05bc45a30376165c;hpb=e1080fc0dd66b0cf5b7715c5e99e7a34ac04a8cf;p=physik%2Fposic.git diff --git a/sic.c b/sic.c index e1103bd..8901104 100644 --- a/sic.c +++ b/sic.c @@ -40,7 +40,7 @@ int insert_atoms(t_moldyn *moldyn) { int i,j; u8 run; t_3dvec r,v,dist; - double d; + double d,dmin; t_atom *atom; @@ -51,38 +51,52 @@ int insert_atoms(t_moldyn *moldyn) { for(j=0;jatom[4372].r.x=(-0.5+0.125+0.125)*ALBE_LC_SI; - md->atom[4372].r.y=(-0.5+0.125+0.125)*ALBE_LC_SI; - */ + moldyn->atom[4372].r.x=(-0.5+0.125+0.125)*ALBE_LC_SI; + moldyn->atom[4372].r.y=(-0.5+0.125+0.125)*ALBE_LC_SI; +#endif +#ifdef INS_001DB + // 001 dumbbell + r.x=(-0.5+0.25)*ALBE_LC_SI; + r.y=(-0.5+0.25)*ALBE_LC_SI; + r.z=(-0.5+0.25+0.125)*ALBE_LC_SI; + moldyn->atom[4372].r.z=(-0.5+0.25-0.125)*ALBE_LC_SI; +#endif +#ifdef INS_USER + // 001 dumbbell + r.x=INS_UX*ALBE_LC_SI; + r.y=INS_UY*ALBE_LC_SI; + r.z=INS_UZ*ALBE_LC_SI; +#endif +#ifdef INS_RAND // random - // 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; - // +#endif // offset r.x+=INS_OFFSET; r.y+=INS_OFFSET; r.z+=INS_OFFSET; /* assume valid coordinates */ run=0; + dmin=10000000000.0; // for sure too high! for(i=0;icount;i++) { atom=&(moldyn->atom[i]); v3_sub(&dist,&(atom->r),&r); @@ -94,13 +108,16 @@ int insert_atoms(t_moldyn *moldyn) { run=1; break; } + if(dcount-1,r.x,r.y,r.z,dmin); } return 0; @@ -112,57 +129,95 @@ int sic_hook(void *moldyn,void *hook_params) { t_moldyn *md; int steps; double tau; + double dt; hp=hook_params; md=moldyn; + tau=1.0; + steps=0; + /* switch on t scaling */ if(md->schedule.count==0) - set_pt_scale(md,0,0,T_SCALE_BERENDSEN,100.0); + set_pt_scale(md,0,0,T_SCALE_BERENDSEN,T_SCALE_TAU); /* 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; + goto insert; 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; + goto postrun; break; default: - printf("[hook] FATAL (default case!?!)\n"); - break; + printf("[sic hook] unknown state\n"); + return -1; } + /* act according to state */ + +insert: + + /* assigne values */ + steps=INS_RELAX; + tau=INS_TAU; + + /* check temperature */ + dt=md->t_avg-md->t_ref; + if(dt<0) + dt=-dt; + if(dt>INS_DELTA_TC) + goto addsched; + + /* immediately go on if no job is to be done */ + if(hp->insert_count==INS_RUNS) { + printf(" --- leaving insert state ---\n"); + hp->state=STATE_POSTRUN; + goto postrun; + } + + /* else -> insert atoms */ + hp->insert_count+=1; + printf(" ### insert atoms (%d/%d) ###\n", + hp->insert_count*INS_ATOMS,INS_RUNS*INS_ATOMS); + insert_atoms(md); + goto addsched; + +postrun: + + /* assigne values */ + steps=POST_RELAX; + tau=POST_TAU; + + /* check temperature */ + dt=md->t_avg-md->t_ref; + if(dt<0) + dt=-dt; + if(dt>POST_DELTA_TC) + goto addsched; + + /* immediately return if no job is to be done */ + if(hp->postrun_count==POST_RUNS) { + printf(" --- leaving post run state ---\n"); + return 0; + } + + /* postrun action */ + hp->postrun_count+=1; + printf(" ### postrun (%d/%d) ###\n", + hp->postrun_count,POST_RUNS); + set_temperature(md,md->t_ref-POST_DT); + +addsched: + + /* reset the average counters */ + average_reset(md); + /* add schedule */ moldyn_add_schedule(md,steps,tau); @@ -301,34 +356,60 @@ int main(int argc,char **argv) { /* set (initial) dimensions of simulation volume */ #ifdef ALBE + #ifdef INIT_SI set_dim(&md,LCNTX*ALBE_LC_SI,LCNTY*ALBE_LC_SI,LCNTZ*ALBE_LC_SI,TRUE); - //set_dim(&md,LCNTX*ALBE_LC_C,LCNTY*ALBE_LC_C,LCNTZ*ALBE_LC_C,TRUE); - //set_dim(&md,LCNTX*ALBE_LC_SIC,LCNTY*ALBE_LC_SIC,LCNTZ*ALBE_LC_SIC,TRUE); + #endif + #ifdef INIT_C + set_dim(&md,LCNTX*ALBE_LC_C,LCNTY*ALBE_LC_C,LCNTZ*ALBE_LC_C,TRUE); + #endif + #ifdef INIT_3CSIC + set_dim(&md,LCNTX*ALBE_LC_SIC,LCNTY*ALBE_LC_SIC,LCNTZ*ALBE_LC_SIC,TRUE); + #endif #else + #ifdef INIT_SI set_dim(&md,LCNTX*LC_SI,LCNTY*LC_SI,LCNTZ*LC_SI,TRUE); - //set_dim(&md,LCNTX*LC_C,LCNTY*LC_C,LCNTZ*LC_C,TRUE); - //set_dim(&md,LCNTX*TM_LC_SIC,LCNTY*TM_LC_SIC,LCNTZ*TM_LC_SIC,TRUE); + #endif + #ifdef INIT_C + set_dim(&md,LCNTX*LC_C,LCNTY*LC_C,LCNTZ*LC_C,TRUE); + #endif + #ifdef INIT_3CSIC + set_dim(&md,LCNTX*TM_LC_SIC,LCNTY*TM_LC_SIC,LCNTZ*TM_LC_SIC,TRUE); + #endif #endif /* set periodic boundary conditions in all directions */ set_pbc(&md,TRUE,TRUE,TRUE); /* create the lattice / place atoms */ - // + + // diamond #ifdef ALBE + #ifdef INIT_SI create_lattice(&md,DIAMOND,ALBE_LC_SI,SI,M_SI, - //create_lattice(&md,DIAMOND,ALBE_LC_C,C,M_C, + ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + 0,LCNTX,LCNTY,LCNTZ,NULL); + #endif + #ifdef INIT_C + create_lattice(&md,DIAMOND,ALBE_LC_C,C,M_C, + ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + 1,LCNTX,LCNTY,LCNTZ,NULL); + #endif #else + #ifdef INIT_SI create_lattice(&md,DIAMOND,LC_SI,SI,M_SI, -#endif ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, - // ATOM_ATTR_2BP|ATOM_ATTR_HB, - 0,LCNTX,LCNTY,LCNTZ,NULL); - // 1,LCNTX,LCNTY,LCNTZ,NULL); + 0,LCNTX,LCNTY,LCNTZ,NULL); + #endif + #ifdef INIT_C + create_lattice(&md,DIAMOND,LC_C,SI,M_SI, + ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + 1,LCNTX,LCNTY,LCNTZ,NULL); + #endif +#endif - /* create zinkblende structure */ - /* -#ifdef ALBE + // zinkblende +#ifdef INIT_3CSIC + #ifdef ALBE r.x=0.5*0.25*ALBE_LC_SIC; r.y=r.x; r.z=r.x; create_lattice(&md,FCC,ALBE_LC_SIC,SI,M_SI, ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, @@ -337,7 +418,7 @@ int main(int argc,char **argv) { create_lattice(&md,FCC,ALBE_LC_SIC,C,M_C, ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, 1,LCNTX,LCNTY,LCNTZ,&r); -#else + #else r.x=0.5*0.25*TM_LC_SIC; r.y=r.x; r.z=r.x; create_lattice(&md,FCC,TM_LC_SIC,SI,M_SI, ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, @@ -346,8 +427,8 @@ int main(int argc,char **argv) { create_lattice(&md,FCC,TM_LC_SIC,C,M_C, ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, 1,LCNTX,LCNTY,LCNTZ,&r); + #endif #endif - */ /* check for right atom placing */ moldyn_bc_check(&md); @@ -422,6 +503,9 @@ int main(int argc,char **argv) { moldyn_set_log(&md,SAVE_STEP,LOG_S); moldyn_set_log(&md,CREATE_REPORT,0); + /* next neighbour distance for critical checking */ + set_nn_dist(&md,0.25*ALBE_LC_SI*sqrt(3.0)); + /* * let's do the actual md algorithm now *