#include <math.h>
#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 160
+#define NR_ATOMS 10
+
+typedef struct s_hp {
+ int a_count; /* atom count */
+ u8 quit; /* quit mark */
+} t_hp;
+
+#define TC 50
+
+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;
+ t_hp *hp;
+
+ md=moldyn;
+ hp=hook_params;
+
+ /* quit */
+ if(hp->quit)
+ return 0;
+
+ /* switch on t scaling */
+ if(md->schedule.count==0)
+ set_pt_scale(md,0,0,T_SCALE_BERENDSEN,100.0);
+
+ /* last schedule add if there is enough carbon inside */
+ if(hp->a_count==(INJECT*NR_ATOMS)) {
+ hp->quit=1;
+ moldyn_add_schedule(md,10000,1.0);
+ return 0;
+ }
+
+ /* more relaxing time for too high temperatures */
+ if(md->t-md->t_ref>TC) {
+ moldyn_add_schedule(md,100,1.0);
+ return 0;
+ }
+
+ /* inject carbon atoms */
+ printf("injecting another 10 carbon atoms ...\n");
+ for(j=0;j<NR_ATOMS;j++) {
+ run=1;
+ while(run) {
+ r.x=rand_get_double(&(md->random))*md->dim.x*0.37;
+ r.y=rand_get_double(&(md->random))*md->dim.y*0.37;
+ r.z=rand_get_double(&(md->random))*md->dim.z*0.37;
+ for(i=0;i<md->count;i++) {
+ atom=&(md->atom[i]);
+ v3_sub(&dist,&(atom->r),&r);
+ d=v3_absolute_square(&dist);
+ if(d>1.0)
+ 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);
+ }
+ hp->a_count+=NR_ATOMS;
+
+ /* add schedule for simulating injected atoms ;) */
+ moldyn_add_schedule(md,100,1.0);
+
+ return 0;
+}
+
int main(int argc,char **argv) {
/* check argv */
- if(argc!=2) {
- printf("[sic] error: arg1 (vis/log/save location) ");
- printf("must be given!\n");
+ if(argc!=3) {
+ printf("[sic] usage: %s <logdir> <temperatur>\n",argv[0]);
return -1;
}
/* 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;
+ t_albe_mult_params ap;
- /* misc parameters */
- double tau;
+ /* atom injection counter */
+ int inject;
/* testing location & velocity vector */
- //t_3dvec r,v;
-
- /* values */
- tau=1.0e-15; /* delta t = 1 fs */
+ 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_potential2b_post(&md,tersoff_mult_post_2bp,&tp);
- set_potential3b(&md,tersoff_mult_3bp,&tp);
- //set_potential2b(&md,lennard_jones,&lj);
+#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
+
+#ifdef ALBE
+ set_potential_params(&md,&ap);
+#else
+ set_potential_params(&md,&tp);
+#endif
+
+ /* cutoff radius */
+#ifdef ALBE
+ set_cutoff(&md,ALBE_S_SI);
+#else
+ set_cutoff(&md,TM_S_SI);
+#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;
-
- /* harmonic oscillator */
- ho.equilibrium_distance=0.25*sqrt(3.0)*LC_SI;
- ho.spring_constant=1;
-
/*
* tersoff mult potential parameters for SiC
*/
tersoff_mult_complete_params(&tp);
- /* cutoff radius */
- printf("[sic] setting cutoff radius\n");
- set_cutoff(&md,TM_S_SI);
- //set_cutoff(&md,2*LC_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;
+ 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 */
- printf("[sic] setting dimensions\n");
- set_dim(&md,5*LC_SI,5*LC_SI,5*LC_SI,TRUE);
+#ifdef ALBE
+ set_dim(&md,20*ALBE_LC_SI,20*ALBE_LC_SI,20*ALBE_LC_SI,TRUE);
+ //set_dim(&md,8*ALBE_LC_C,8*ALBE_LC_C,8*ALBE_LC_C,TRUE);
+ //set_dim(&md,8*ALBE_LC_SIC,8*ALBE_LC_SIC,8*ALBE_LC_SIC,TRUE);
+#else
+ //set_dim(&md,8*LC_SI,8*LC_SI,8*LC_SI,TRUE);
+ //set_dim(&md,8*LC_C,8*LC_C,8*LC_C,TRUE);
+ set_dim(&md,8*TM_LC_SIC,8*TM_LC_SIC,8*TM_LC_SIC,TRUE);
+#endif
/* 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,DIAMOND,LC_SI,SI,M_SI,
+#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,
- 0,5,5,5);
+ // ATOM_ATTR_2BP|ATOM_ATTR_HB,
+ 0,20,20,20,NULL);
+ // 1,8,8,8,NULL);
+
+ /* 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,
+ 0,8,8,8,&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,
+ 1,8,8,8,&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,
+ 0,8,8,8,&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,
+ 1,8,8,8,&r);
+#endif
+ */
+
+ /* check for right atom placing */
moldyn_bc_check(&md);
/* testing configuration */
- //r.x=2.45/2; v.x=0;
+ //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=-2.45/2; v.x=0;
+ //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,0.25*sqrt(3.0)*LC_SI); /* diamond ! */
-
- /* set temperature */
- printf("[sic] setting temperature\n");
- //set_temperature(&md,273.0+1410.0);
- set_temperature(&md,273.0+450.0);
- //set_temperature(&md,273.0);
- //set_temperature(&md,1.0);
- //set_temperature(&md,0.0);
+ /* set temperature & pressure */
+ set_temperature(&md,atof(argv[2])+273.0);
+ set_pressure(&md,BAR);
- /* set pressure */
- printf("[sic] setting pressure\n");
- set_pressure(&md,ATM);
+ /* set amount of steps to skip before average calc */
+ set_avg_skip(&md,500);
/* set p/t scaling */
- printf("[sic] set p/t scaling\n");
- //set_pt_scale(&md,P_SCALE_BERENDSEN,100.0,
+ //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);
+ //set_pt_scale(&md,P_SCALE_BERENDSEN,0.001,0,0);
/* initial thermal fluctuations of particles (in equilibrium) */
- printf("[sic] thermal init\n");
thermal_init(&md,TRUE);
/* create the simulation schedule */
- printf("[sic] adding schedule\n");
- moldyn_add_schedule(&md,30001,1.0);
+ moldyn_add_schedule(&md,1000,1.0);
+ //moldyn_add_schedule(&md,1000,1.0);
+ //moldyn_add_schedule(&md,1000,1.0);
+ //moldyn_add_schedule(&md,1000,1.0);
+ //moldyn_add_schedule(&md,1000,1.0);
+ //moldyn_add_schedule(&md,1000,1.0);
+ /* adding atoms */
+ //for(inject=0;inject<INJECT;inject++) {
+ // /* injecting atoms */
+ // moldyn_add_schedule(&md,10,1.0);
+ //}
+
+ /* schedule hook function */
+ memset(&hookparam,0,sizeof(t_hp));
+ moldyn_set_schedule_hook(&md,&hook,&hookparam);
/* activate logging */
- printf("[sic] activate logging\n");
moldyn_set_log_dir(&md,argv[1]);
- moldyn_set_log(&md,LOG_TOTAL_ENERGY,200);
- moldyn_set_log(&md,VISUAL_STEP,200);
+ moldyn_set_report(&md,"Frank Zirkelbach","Test 1");
+ moldyn_set_log(&md,LOG_TOTAL_ENERGY,1);
+ moldyn_set_log(&md,LOG_TEMPERATURE,1);
+ moldyn_set_log(&md,LOG_PRESSURE,1);
+ moldyn_set_log(&md,VISUAL_STEP,100);
+ moldyn_set_log(&md,SAVE_STEP,100);
+ moldyn_set_log(&md,CREATE_REPORT,0);
/*
* let's do the actual md algorithm now
*
* integration of newtons equations
*/
-
- printf("[sic] integration start, go get a coffee ...\n");
moldyn_integrate(&md);
+#ifdef dEBUG
+return 0;
+#endif
- /* close */
+ /*
+ * post processing the data
+ */
- printf("[sic] shutdown\n");
+ /* close */
moldyn_shutdown(&md);
return 0;
projects / physik / posic.git / blobdiff