X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=sic.c;h=73b2935d1633dd1e2de111cde4f4f4cc91892a35;hb=a70de3dccbf0a01c39c2643818ec86c0b465caba;hp=2cd32eb04853a4c14518561999f9d6a429d9e5a1;hpb=dece53fc37f9ebb52b33c9743333c213be2d6f26;p=physik%2Fposic.git diff --git a/sic.c b/sic.c index 2cd32eb..73b2935 100644 --- a/sic.c +++ b/sic.c @@ -8,14 +8,76 @@ #include #include "moldyn.h" -#include "math/math.h" -#include "init/init.h" -#include "visual/visual.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 + +int hook(void *moldyn,void *hook_params) { + + t_moldyn *md; + t_3dvec r,v,dist; + double d; + unsigned char run; + int i,j; + t_atom *atom; + + md=moldyn; + + printf("\nschedule hook: "); + + 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]); + v3_sub(&dist,&(atom->r),&r); + d=v3_absolute_square(&dist); + if(d>TM_R_C) + run=0; + } + } + v.x=0; v.y=0; v.z=0; + add_atom(md,C,M_C,1, + ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + &r,&v); + } + printf("adding atoms & enable t scaling\n"); + set_pt_scale(md,0,0,T_SCALE_BERENDSEN,100.0); + } + else { + /* disable t scaling */ + printf("disabling t scaling\n"); + set_pt_scale(md,0,0,0,0); + } + + return 0; +} + int main(int argc,char **argv) { -printf("%d\n",sizeof(t_atom)); + + /* check argv */ + if(argc!=3) { + printf("[sic] usage: %s \n",argv[0]); + return -1; + } + /* main moldyn structure */ t_moldyn md; @@ -23,21 +85,56 @@ printf("%d\n",sizeof(t_atom)); t_lj_params lj; t_ho_params ho; t_tersoff_mult_params tp; + t_albe_mult_params ap; + + /* atom injection counter */ + int inject; + + /* testing location & velocity vector */ + t_3dvec r,v; + memset(&r,0,sizeof(t_3dvec)); + memset(&v,0,sizeof(t_3dvec)); /* initialize moldyn */ - printf("[sic] moldyn init\n"); moldyn_init(&md,argc,argv); /* choose integration algorithm */ - printf("[sic] setting integration algorithm\n"); set_int_alg(&md,MOLDYN_INTEGRATE_VERLET); /* choose potential */ - printf("[sic] selecting potential\n"); - set_potential1b(&md,tersoff_mult_1bp,&tp); - set_potential2b(&md,tersoff_mult_2bp,&tp); - set_potential3b(&md,tersoff_mult_3bp,&tp); - //set_potential2b(&md,lennard_jones,&lj); + 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); +#elif ALBE + set_potential1b(&md,albe_mult_1bp); + 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_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); +#endif + //set_potential_params(&md,&lj); + //set_potential_params(&md,&ho); + + /* cutoff radius */ + set_cutoff(&md,ALBE_S_SI); + //set_cutoff(&md,TM_S_SI); + //set_cutoff(&md,LC_SI*sqrt(3.0)); + //set_cutoff(&md,2.0*LC_SI); /* * potential parameters @@ -48,10 +145,12 @@ printf("%d\n",sizeof(t_atom)); 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.spring_constant=1; + //ho.equilibrium_distance=LC_SI; + ho.spring_constant=LJ_EPSILON_SI; /* * tersoff mult potential parameters for SiC @@ -78,61 +177,159 @@ printf("%d\n",sizeof(t_atom)); tp.n[1]=TM_N_C; tp.c[1]=TM_C_C; tp.d[1]=TM_D_C; + tp.h[1]=TM_H_C; tp.chi=TM_CHI_SIC; tersoff_mult_complete_params(&tp); - /* cutoff radius */ - printf("[sic] setting cutoff radius\n"); - set_cutoff(&md,TM_S_SI); + /* + * 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; + + albe_mult_complete_params(&ap); /* set (initial) dimensions of simulation volume */ - printf("[sic] setting dimensions\n"); - set_dim(&md,4*LC_SI,4*LC_SI,4*LC_SI,TRUE); + set_dim(&md,6*LC_SI,6*LC_SI,6*LC_SI,TRUE); + //set_dim(&md,6*LC_C,6*LC_C,6*LC_C,TRUE); + //set_dim(&md,6*TM_LC_3C_SIC,6*TM_LC_3C_SIC,6*TM_LC_3C_SIC,TRUE); /* set periodic boundary conditions in all directions */ - printf("[sic] setting periodic boundary conditions\n"); set_pbc(&md,TRUE,TRUE,TRUE); /* create the lattice / place atoms */ - printf("[sic] creating atoms\n"); + //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, - ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP, - 0,4,4,4); + //create_lattice(&md,DIAMOND,LC_C,C,M_C, + ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + // ATOM_ATTR_2BP|ATOM_ATTR_HB, + 0,6,6,6,NULL); + // 1,6,6,6,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, + // 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, + // ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + // 1,6,6,6,&r); + + moldyn_bc_check(&md); + + /* testing configuration */ + //r.x=0.27*sqrt(3.0)*LC_SI/2.0; v.x=0; + //r.x=(TM_S_SI+TM_R_SI)/4.0; v.x=0; + //r.y=0; v.y=0; + //r.z=0; v.z=0; + //add_atom(&md,SI,M_SI,0, + // ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + // ATOM_ATTR_2BP|ATOM_ATTR_HB, + // &r,&v); + //r.x=-r.x; v.x=-v.x; + //r.y=0; v.y=0; + //r.z=0; v.z=0; + //add_atom(&md,SI,M_SI,0, + // ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + // ATOM_ATTR_2BP|ATOM_ATTR_HB, + // &r,&v); + //r.z=0.27*sqrt(3.0)*LC_SI/2.0; v.z=0; + //r.x=(TM_S_SI+TM_R_SI)/4.0; v.x=0; + //r.y=0; v.y=0; + //r.x=0; v.x=0; + //add_atom(&md,SI,M_SI,0, + // ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + // ATOM_ATTR_2BP|ATOM_ATTR_HB, + // &r,&v); + //r.z=-r.z; v.z=-v.z; + //r.y=0; v.y=0; + //r.x=0; v.x=0; + //add_atom(&md,SI,M_SI,0, + // ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + // ATOM_ATTR_2BP|ATOM_ATTR_HB, + // &r,&v); - /* setting a nearest neighbour distance for the moldyn checks */ - set_nn_dist(&md,sqrt(3.0)*LC_SI/4.0); /* diamond ! */ + /* set temperature & pressure */ + set_temperature(&md,atof(argv[2])+273.0); + set_pressure(&md,BAR); - /* set temperature */ - printf("[sic] setting temperature\n"); - set_temperature(&md,273.0+450.0); + /* set p/t scaling */ + //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); + //set_pt_scale(&md,P_SCALE_BERENDSEN,0.001,0,0); - /* initial thermal fluctuations of particles */ - printf("[sic] thermal init\n"); - thermal_init(&md); + /* initial thermal fluctuations of particles (in equilibrium) */ + thermal_init(&md,TRUE); /* create the simulation schedule */ - printf("[sic] adding schedule\n"); - moldyn_add_schedule(&md,10000,1.0e-15); + /* initial configuration */ + moldyn_add_schedule(&md,100,1.0); + /* adding atoms */ + //for(inject=0;inject