X-Git-Url: https://www.hackdaworld.org/gitweb/?a=blobdiff_plain;f=sic.c;h=2cd32eb04853a4c14518561999f9d6a429d9e5a1;hb=dece53fc37f9ebb52b33c9743333c213be2d6f26;hp=9c988573bae2b736f58a677f5abaadc0fb96abfe;hpb=7aface2e184e527132819f17b0fa18a6e1ba4bc3;p=physik%2Fposic.git diff --git a/sic.c b/sic.c index 9c98857..2cd32eb 100644 --- a/sic.c +++ b/sic.c @@ -14,11 +14,8 @@ #include "posic.h" -#define TRUE 1 -#define FALSE 0 - int main(int argc,char **argv) { - +printf("%d\n",sizeof(t_atom)); /* main moldyn structure */ t_moldyn md; @@ -27,9 +24,6 @@ int main(int argc,char **argv) { t_ho_params ho; t_tersoff_mult_params tp; - /* misc variables, mainly to initialize stuff */ - t_3dvec r,v; - /* initialize moldyn */ printf("[sic] moldyn init\n"); moldyn_init(&md,argc,argv); @@ -40,10 +34,10 @@ int main(int argc,char **argv) { /* 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,&tp); + set_potential2b(&md,tersoff_mult_2bp,&tp); + set_potential3b(&md,tersoff_mult_3bp,&tp); + //set_potential2b(&md,lennard_jones,&lj); /* * potential parameters @@ -59,13 +53,43 @@ int main(int argc,char **argv) { ho.equilibrium_distance=0.25*sqrt(3.0)*LC_SI; ho.spring_constant=1; + /* + * tersoff mult potential parameters for SiC + */ + tp.S[0]=TM_S_SI; + tp.R[0]=TM_R_SI; + tp.A[0]=TM_A_SI; + tp.B[0]=TM_B_SI; + tp.lambda[0]=TM_LAMBDA_SI; + tp.mu[0]=TM_MU_SI; + tp.beta[0]=TM_BETA_SI; + tp.n[0]=TM_N_SI; + tp.c[0]=TM_C_SI; + tp.d[0]=TM_D_SI; + tp.h[0]=TM_H_SI; + + tp.S[1]=TM_S_C; + tp.R[1]=TM_R_C; + tp.A[1]=TM_A_C; + tp.B[1]=TM_B_C; + tp.lambda[1]=TM_LAMBDA_C; + tp.mu[1]=TM_MU_C; + tp.beta[1]=TM_BETA_C; + tp.n[1]=TM_N_C; + tp.c[1]=TM_C_C; + tp.d[1]=TM_D_C; + + tp.chi=TM_CHI_SIC; + + tersoff_mult_complete_params(&tp); + /* cutoff radius */ printf("[sic] setting cutoff radius\n"); - set_cutoff(&md,LC_SI); + set_cutoff(&md,TM_S_SI); /* set (initial) dimensions of simulation volume */ printf("[sic] setting dimensions\n"); - set_dim(&md,10*LC_SI,10*LC_SI,10*LC_SI,TRUE); + set_dim(&md,4*LC_SI,4*LC_SI,4*LC_SI,TRUE); /* set periodic boundary conditions in all directions */ printf("[sic] setting periodic boundary conditions\n"); @@ -73,17 +97,16 @@ int main(int argc,char **argv) { /* create the lattice / place atoms */ printf("[sic] creating atoms\n"); - memset(&v,0,sizeof(t_3dvec)); - r.y=0; - r.z=0; - r.x=0.23*sqrt(3.0)*LC_SI/2.0; - add_atom(&md,SI,M_SI,0,ATOM_ATTR_2BP,&r,&v); - r.x=-r.x; - add_atom(&md,SI,M_SI,0,ATOM_ATTR_2BP,&r,&v); + create_lattice(&md,DIAMOND,LC_SI,SI,M_SI, + ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP, + 0,4,4,4); + + /* setting a nearest neighbour distance for the moldyn checks */ + set_nn_dist(&md,sqrt(3.0)*LC_SI/4.0); /* diamond ! */ /* set temperature */ printf("[sic] setting temperature\n"); - set_temperature(&md,0.0); + set_temperature(&md,273.0+450.0); /* initial thermal fluctuations of particles */ printf("[sic] thermal init\n"); @@ -91,12 +114,12 @@ int main(int argc,char **argv) { /* create the simulation schedule */ printf("[sic] adding schedule\n"); - moldyn_add_schedule(&md,1000,1.0e-15); + moldyn_add_schedule(&md,10000,1.0e-15); /* activate logging */ printf("[sic] activate logging\n"); moldyn_set_log(&md,LOG_TOTAL_ENERGY,"saves/test-energy",100); - moldyn_set_log(&md,VISUAL_STEP,"saves/test-visual",50); + moldyn_set_log(&md,VISUAL_STEP,"saves/test-visual",100); /* * let's do the actual md algorithm now