X-Git-Url: https://www.hackdaworld.org/gitweb/?a=blobdiff_plain;f=sic.c;h=cea4c3934c823a4b6d1003c1de3cb1d04a956512;hb=f939e7a6413390ca309302bb145434d68daeca10;hp=3c815bac57a9ce9d0325bb4e43523177e25ad79e;hpb=acdd9a6aa72f3692ccd03cc0df20e3d60555f555;p=physik%2Fposic.git diff --git a/sic.c b/sic.c index 3c815ba..cea4c39 100644 --- a/sic.c +++ b/sic.c @@ -8,85 +8,196 @@ #include #include "moldyn.h" -#include "posic.h" /* potential */ #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 1 -#define NR_ATOMS 4 +typedef struct s_hp { + 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(void *moldyn,void *hook_params) { +#define STATE_PRERUN 0x00 +#define STATE_INSERT 0x01 +#define STATE_POSTRUN 0x02 + +/* include the config file */ +#include "config.h" + +int insert_atoms(t_moldyn *moldyn) { - t_moldyn *md; - t_3dvec r,v,dist; - double d; - unsigned char run; int i,j; + u8 run; + t_3dvec r,v,dist; + double d,dmin; + t_atom *atom; - md=moldyn; + atom=moldyn->atom; - printf("\nschedule hook: "); + v.x=0; v.y=0; v.z=0; - if(!(md->schedule.count%2)) { - /* add carbon at random place, and enable t scaling */ - for(j=0;jrandom))*md->dim.x; - r.y=rand_get_double(&(md->random))*md->dim.y; - r.z=rand_get_double(&(md->random))*md->dim.z; - for(i=0;icount;i++) { - atom=&(md->atom[i]); +#ifdef INS_TETRA + // tetrahedral + r.x=0.0; + r.y=0.0; + r.z=0.0; +#endif +#ifdef INS_HEXA + // hexagonal + r.x=-1.0/8.0*ALBE_LC_SI; + r.y=-1.0/8.0*ALBE_LC_SI; + r.z=1.0/8.0*ALBE_LC_SI; +#endif +#ifdef INS_110DB + // 110 dumbbell + r.x=(-0.5+0.25+0.125)*ALBE_LC_SI; + r.y=(-0.5+0.25+0.125)*ALBE_LC_SI; + r.z=(-0.5+0.25)*ALBE_LC_SI; + md->atom[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; +#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); + check_per_bound(moldyn,&dist); d=v3_absolute_square(&dist); - if(d>TM_R_C) - run=0; + /* reject coordinates */ + if(dcount-1,r.x,r.y,r.z,dmin); } return 0; } -int main(int argc,char **argv) { +int sic_hook(void *moldyn,void *hook_params) { - /* check argv */ - if(argc!=3) { - printf("[sic] usage: %s \n",argv[0]); - return -1; + t_hp *hp; + 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); + + /* 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: + /* 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) + 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: + /* 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) + break; + /* 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; } + /* reset the average counters */ + average_reset(md); + + /* add schedule */ + moldyn_add_schedule(md,steps,tau); + + return 0; +} + +int main(int argc,char **argv) { + /* main moldyn structure */ t_moldyn md; + /* hook parameter structure */ + t_hp hookparam; + /* potential parameters */ - t_lj_params lj; - t_ho_params ho; t_tersoff_mult_params tp; - - /* atom injection counter */ - int inject; + t_albe_mult_params ap; /* testing location & velocity vector */ t_3dvec r,v; @@ -100,44 +211,40 @@ int main(int argc,char **argv) { set_int_alg(&md,MOLDYN_INTEGRATE_VERLET); /* choose potential */ - set_potential1b(&md,tersoff_mult_1bp); -#ifdef TERSOFF_ORIG - set_potential3b_j1(&md,tersoff_mult_2bp); - set_potential3b_k1(&md,tersoff_mult_3bp); - set_potential3b_j2(&md,tersoff_mult_post_2bp); +#ifdef ALBE + set_potential3b_j1(&md,albe_mult_3bp_j1); + set_potential3b_k1(&md,albe_mult_3bp_k1); + set_potential3b_j2(&md,albe_mult_3bp_j2); + set_potential3b_k2(&md,albe_mult_3bp_k2); #else + set_potential1b(&md,tersoff_mult_1bp); set_potential3b_j1(&md,tersoff_mult_3bp_j1); set_potential3b_k1(&md,tersoff_mult_3bp_k1); set_potential3b_j2(&md,tersoff_mult_3bp_j2); set_potential3b_k2(&md,tersoff_mult_3bp_k2); #endif - //set_potential2b(&md,lennard_jones); - //set_potential2b(&md,harmonic_oscillator); + +#ifdef ALBE + set_potential_params(&md,&ap); +#else set_potential_params(&md,&tp); - //set_potential_params(&md,&lj); - //set_potential_params(&md,&ho); +#endif - /* cutoff radius */ + /* cutoff radius & bondlen */ +#ifdef ALBE + set_cutoff(&md,ALBE_S_SI); + set_bondlen(&md,ALBE_S_SI,ALBE_S_C,ALBE_S_SIC); + //set_cutoff(&md,ALBE_S_C); +#else set_cutoff(&md,TM_S_SI); - //set_cutoff(&md,LC_SI*sqrt(3.0)); - //set_cutoff(&md,2.0*LC_SI); + set_bondlen(&md,TM_S_SI,TM_S_C,-1.0); + //set_cutoff(&md,TM_S_C); +#endif /* * potential parameters */ - /* lennard jones */ - lj.sigma6=LJ_SIGMA_SI*LJ_SIGMA_SI*LJ_SIGMA_SI; - lj.sigma6*=lj.sigma6; - lj.sigma12=lj.sigma6*lj.sigma6; - lj.epsilon4=4.0*LJ_EPSILON_SI; - lj.uc=lj.epsilon4*(lj.sigma12/pow(md.cutoff,12.0)-lj.sigma6/pow(md.cutoff,6)); - - /* harmonic oscillator */ - ho.equilibrium_distance=0.25*sqrt(3.0)*LC_SI; - //ho.equilibrium_distance=LC_SI; - ho.spring_constant=LJ_EPSILON_SI; - /* * tersoff mult potential parameters for SiC */ @@ -169,31 +276,98 @@ int main(int argc,char **argv) { tersoff_mult_complete_params(&tp); + /* + * albe mult potential parameters for SiC + */ + ap.S[0]=ALBE_S_SI; + ap.R[0]=ALBE_R_SI; + ap.A[0]=ALBE_A_SI; + ap.B[0]=ALBE_B_SI; + ap.r0[0]=ALBE_R0_SI; + ap.lambda[0]=ALBE_LAMBDA_SI; + ap.mu[0]=ALBE_MU_SI; + ap.gamma[0]=ALBE_GAMMA_SI; + ap.c[0]=ALBE_C_SI; + ap.d[0]=ALBE_D_SI; + ap.h[0]=ALBE_H_SI; + + ap.S[1]=ALBE_S_C; + ap.R[1]=ALBE_R_C; + ap.A[1]=ALBE_A_C; + ap.B[1]=ALBE_B_C; + ap.r0[1]=ALBE_R0_C; + ap.lambda[1]=ALBE_LAMBDA_C; + ap.mu[1]=ALBE_MU_C; + ap.gamma[1]=ALBE_GAMMA_C; + ap.c[1]=ALBE_C_C; + ap.d[1]=ALBE_D_C; + ap.h[1]=ALBE_H_C; + + ap.Smixed=ALBE_S_SIC; + ap.Rmixed=ALBE_R_SIC; + ap.Amixed=ALBE_A_SIC; + ap.Bmixed=ALBE_B_SIC; + ap.r0_mixed=ALBE_R0_SIC; + ap.lambda_m=ALBE_LAMBDA_SIC; + ap.mu_m=ALBE_MU_SIC; + ap.gamma_m=ALBE_GAMMA_SIC; + ap.c_mixed=ALBE_C_SIC; + ap.d_mixed=ALBE_D_SIC; + ap.h_mixed=ALBE_H_SIC; + + albe_mult_complete_params(&ap); + /* set (initial) dimensions of simulation volume */ - //set_dim(&md,6*LC_SI,6*LC_SI,6*LC_SI,TRUE); - set_dim(&md,6*TM_LC_3C_SIC,6*TM_LC_3C_SIC,6*TM_LC_3C_SIC,TRUE); +#ifdef ALBE + 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); +#else + 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 /* set periodic boundary conditions in all directions */ set_pbc(&md,TRUE,TRUE,TRUE); /* create the lattice / place atoms */ - //create_lattice(&md,CUBIC,LC_SI,SI,M_SI, - //create_lattice(&md,FCC,LC_SI,SI,M_SI, - //create_lattice(&md,DIAMOND,LC_SI,SI,M_SI, - //create_lattice(&md,DIAMOND,LC_C,C,M_C, - // ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + // +#ifdef ALBE + create_lattice(&md,DIAMOND,ALBE_LC_SI,SI,M_SI, + //create_lattice(&md,DIAMOND,ALBE_LC_C,C,M_C, +#else + 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, - // 1,6,6,6,NULL); + 0,LCNTX,LCNTY,LCNTZ,NULL); + // 1,LCNTX,LCNTY,LCNTZ,NULL); - /* create centered zinc blende lattice */ - r.x=0.5*0.25*TM_LC_3C_SIC; r.y=r.x; r.z=r.x; - create_lattice(&md,FCC,TM_LC_3C_SIC,SI,M_SI, + /* create zinkblende structure */ + /* +#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, + 0,LCNTX,LCNTY,LCNTZ,&r); + r.x+=0.25*ALBE_LC_SIC; r.y=r.x; r.z=r.x; + 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 + 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, - 0,6,6,6,&r); - r.x+=0.25*TM_LC_3C_SIC; r.y=r.x; r.z=r.x; - create_lattice(&md,FCC,TM_LC_3C_SIC,C,M_C, + 0,LCNTX,LCNTY,LCNTZ,&r); + r.x+=0.25*TM_LC_SIC; r.y=r.x; r.z=r.x; + create_lattice(&md,FCC,TM_LC_SIC,C,M_C, ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, - 1,6,6,6,&r); + 1,LCNTX,LCNTY,LCNTZ,&r); +#endif + */ + + /* check for right atom placing */ moldyn_bc_check(&md); /* testing configuration */ @@ -232,7 +406,11 @@ int main(int argc,char **argv) { set_temperature(&md,atof(argv[2])+273.0); set_pressure(&md,BAR); + /* set amount of steps to skip before average calc */ + set_avg_skip(&md,AVG_SKIP); + /* set p/t scaling */ + //set_pt_scale(&md,0,0,T_SCALE_BERENDSEN,100.0); //set_pt_scale(&md,P_SCALE_BERENDSEN,0.001, // T_SCALE_BERENDSEN,100.0); //set_pt_scale(&md,0,0,T_SCALE_DIRECT,1.0); @@ -242,39 +420,43 @@ int main(int argc,char **argv) { thermal_init(&md,TRUE); /* create the simulation schedule */ - /* initial configuration */ - moldyn_add_schedule(&md,1000,1.0); - /* adding atoms */ - //for(inject=0;inject