#include <math.h>
#include "moldyn.h"
-
#include "posic.h"
+/* potential */
+#include "potentials/harmonic_oscillator.h"
+#include "potentials/lennard_jones.h"
+#include "potentials/tersoff.h"
+
+#define INJECT 20
+#define NR_ATOMS 20
+
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;
- /* switch to direct scaling in first hook */
- if(md->schedule.count==0)
+ printf("\nschedule hook: ");
+
+ if(!(md->schedule.count%2)) {
+ /* add carbon at random place, and enable t scaling */
+ for(j=0;j<NR_ATOMS;j++) {
+ run=1;
+ while(run) {
+ r.x=rand_get_double(&(md->random))*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;i<md->count;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);
- /* switch off temp scaling in second hook */
- if(md->schedule.count==1)
+ }
+ else {
+ /* disable t scaling */
+ printf("disabling t scaling\n");
set_pt_scale(md,0,0,0,0);
-
- //set_temperature(md,md->t_ref-100.0);
+ }
return 0;
}
t_ho_params ho;
t_tersoff_mult_params tp;
+ /* 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 */
moldyn_init(&md,argc,argv);
set_int_alg(&md,MOLDYN_INTEGRATE_VERLET);
/* choose potential */
- //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);
- //set_potential2b(&md,harmonic_oscillator,&ho);
+ set_potential1b(&md,tersoff_mult_1bp);
+ set_potential2b(&md,tersoff_mult_2bp);
+ set_potential2b_post(&md,tersoff_mult_post_2bp);
+ set_potential3b(&md,tersoff_mult_3bp);
+ //set_potential2b(&md,lennard_jones);
+ //set_potential2b(&md,harmonic_oscillator);
+ set_potential_params(&md,&tp);
+ //set_potential_params(&md,&lj);
+ //set_potential_params(&md,&ho);
/* cutoff radius */
- //set_cutoff(&md,TM_S_SI);
- //set_cutoff(&md,2*LC_SI*0.5*sqrt(1.5));
- set_cutoff(&md,2.0*LC_SI);
+ set_cutoff(&md,TM_S_SI);
+ //set_cutoff(&md,LC_SI*sqrt(3.0));
+ //set_cutoff(&md,2.0*LC_SI);
/*
* potential parameters
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.equilibrium_distance=0.25*sqrt(3.0)*LC_SI;
+ //ho.equilibrium_distance=LC_SI;
ho.spring_constant=LJ_EPSILON_SI;
/*
set_pbc(&md,TRUE,TRUE,TRUE);
/* create the lattice / place atoms */
- create_lattice(&md,CUBIC,LC_SI,SI,M_SI,
+ //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|ATOM_ATTR_HB,
- ATOM_ATTR_2BP|ATOM_ATTR_HB,
+ create_lattice(&md,DIAMOND,LC_SI,SI,M_SI,
+ ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
+ // ATOM_ATTR_2BP|ATOM_ATTR_HB,
0,6,6,6);
moldyn_bc_check(&md);
/* testing configuration */
- //r.x=0.28*sqrt(3)*LC_SI/2; v.x=0;
- //r.x=1.75*LC_SI; v.x=-0.01;
+ //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=0; v.x=0;
+ //r.y=0; v.y=0;
+ //r.z=sin(M_PI*60.0/180.0)*(TM_S_SI+TM_R_SI)/4.0; 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);
- /* setting a nearest neighbour distance for the moldyn checks */
- //set_nn_dist(&md,0.25*sqrt(3.0)*LC_SI); /* diamond ! */
- set_nn_dist(&md,LC_SI);
-
- /* set temperature */
- //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 */
set_pressure(&md,ATM);
/* set p/t scaling */
- //set_pt_scale(&md,P_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,100.0,0,0);
+ //set_pt_scale(&md,P_SCALE_BERENDSEN,0.001,0,0);
/* initial thermal fluctuations of particles (in equilibrium) */
thermal_init(&md,TRUE);
/* create the simulation schedule */
- moldyn_add_schedule(&md,100001,1.0);
- //moldyn_add_schedule(&md,501,1.0);
- //moldyn_add_schedule(&md,501,1.0);
+ /* initial configuration */
+ moldyn_add_schedule(&md,500,1.0);
+ /* adding atoms */
+ for(inject=0;inject<INJECT;inject++) {
+ /* injecting atom and run with enabled t scaling */
+ moldyn_add_schedule(&md,400,1.0);
+ /* continue running with disabled t scaling */
+ moldyn_add_schedule(&md,100,1.0);
+ }
/* schedule hook function */
- //moldyn_set_schedule_hook(&md,&hook,NULL);
+ moldyn_set_schedule_hook(&md,&hook,NULL);
/* activate logging */
moldyn_set_log_dir(&md,argv[1]);
moldyn_set_report(&md,"Frank Zirkelbach","Test 1");
- moldyn_set_log(&md,LOG_TOTAL_ENERGY,1);
- moldyn_set_log(&md,VISUAL_STEP,1000);
+ moldyn_set_log(&md,LOG_TOTAL_ENERGY,10);
+ moldyn_set_log(&md,LOG_TEMPERATURE,10);
+ moldyn_set_log(&md,LOG_PRESSURE,10);
+ moldyn_set_log(&md,VISUAL_STEP,100);
+ moldyn_set_log(&md,SAVE_STEP,100);
moldyn_set_log(&md,CREATE_REPORT,0);
/*