X-Git-Url: https://www.hackdaworld.org/gitweb/?a=blobdiff_plain;f=sic.c;h=d141782365c68680901fde8d6a3e7fff2adf23c4;hb=b30d3d558354102cf5d0c06392961032b21bf9a9;hp=82b371018cfc11fa99bef055030b541b079b03d2;hpb=a33fe7f5d4d7e09b5b52f5f4dadd462cf868ec2f;p=physik%2Fposic.git diff --git a/sic.c b/sic.c index 82b3710..d141782 100644 --- a/sic.c +++ b/sic.c @@ -15,7 +15,6 @@ #include "posic.h" int main(int argc,char **argv) { -printf("%d\n",sizeof(t_atom)); /* main moldyn structure */ t_moldyn md; @@ -24,6 +23,12 @@ printf("%d\n",sizeof(t_atom)); t_ho_params ho; t_tersoff_mult_params tp; + /* misc parameters */ + double tau; + + /* values */ + tau=1.0e-15; /* delta t = 1 fs */ + /* initialize moldyn */ printf("[sic] moldyn init\n"); moldyn_init(&md,argc,argv); @@ -36,6 +41,7 @@ printf("%d\n",sizeof(t_atom)); printf("[sic] selecting potential\n"); set_potential1b(&md,tersoff_mult_1bp,&tp); set_potential2b(&md,tersoff_mult_2bp,&tp); + set_potential2b_post(&md,tersoff_mult_post_2bp,&tp); set_potential3b(&md,tersoff_mult_3bp,&tp); //set_potential2b(&md,lennard_jones,&lj); @@ -78,6 +84,7 @@ 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; @@ -86,11 +93,10 @@ printf("%d\n",sizeof(t_atom)); /* cutoff radius */ printf("[sic] setting cutoff radius\n"); set_cutoff(&md,TM_S_SI); - //set_cutoff(&md,1.0*LC_SI); /* 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,2*LC_SI,2*LC_SI,2*LC_SI,TRUE); /* set periodic boundary conditions in all directions */ printf("[sic] setting periodic boundary conditions\n"); @@ -99,29 +105,34 @@ printf("%d\n",sizeof(t_atom)); /* create the lattice / place atoms */ printf("[sic] creating atoms\n"); create_lattice(&md,DIAMOND,LC_SI,SI,M_SI, - ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP, - //ATOM_ATTR_2BP, - 0,4,4,4); + ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB, + //ATOM_ATTR_2BP|ATOM_ATTR_HB, + 0,2,2,2); /* setting a nearest neighbour distance for the moldyn checks */ - set_nn_dist(&md,sqrt(3.0)*LC_SI/4.0); /* diamond ! */ + set_nn_dist(&md,0.25*sqrt(3.0)*LC_SI); /* diamond ! */ /* set temperature */ printf("[sic] setting temperature\n"); - set_temperature(&md,10.0); + //set_temperature(&md,273.0+450.0); + set_temperature(&md,0.0); + + /* set p/t scaling */ + printf("[sic] set p/t scaling\n"); + set_pt_scale(&md,0,0,T_SCALE_BERENDSEN,100*tau); - /* initial thermal fluctuations of particles */ + /* initial thermal fluctuations of particles (in equilibrium) */ printf("[sic] thermal init\n"); - thermal_init(&md); + thermal_init(&md,TRUE); /* create the simulation schedule */ printf("[sic] adding schedule\n"); - moldyn_add_schedule(&md,1000,1.0e-15); + moldyn_add_schedule(&md,100,1.0e-15); /* activate logging */ printf("[sic] activate logging\n"); - moldyn_set_log(&md,LOG_TOTAL_ENERGY,"saves/test-energy",10); - moldyn_set_log(&md,VISUAL_STEP,"saves/test-visual",10); + moldyn_set_log(&md,LOG_TOTAL_ENERGY,"saves/test-energy",1); + moldyn_set_log(&md,VISUAL_STEP,"saves/test-visual",1); /* * let's do the actual md algorithm now