#include <math.h>
#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 TRUE 1
-#define FALSE 0
+typedef struct s_hp {
+ int prerun_count; /* prerun count */
+ int insert_count; /* insert count */
+ int postrun_count; /* post run count */
+ unsigned char state; /* current state */
+ int argc; /* arg count */
+ char **argv; /* args */
+} t_hp;
+
+#define STATE_PRERUN 0x00
+#define STATE_INSERT 0x01
+#define STATE_POSTRUN 0x02
+
+/* include the config file */
+#include "config.h"
+
+int insert_atoms(t_moldyn *moldyn) {
+
+ int i,j;
+ u8 run;
+ t_3dvec r,v,dist;
+ double d,dmin;
+
+ t_atom *atom;
+
+ atom=moldyn->atom;
+
+ v.x=0; v.y=0; v.z=0;
+
+ for(j=0;j<INS_ATOMS;j++) {
+ run=1;
+ while(run) {
+#ifdef INS_TETRA
+ // tetrahedral
+ r.x=0.0;
+ r.y=0.0;
+ r.z=0.0;
+#endif
+#ifdef INS_HEXA
+ // hexagonal
+ r.x=-1.0/8.0*ALBE_LC_SI;
+ r.y=-1.0/8.0*ALBE_LC_SI;
+ r.z=1.0/8.0*ALBE_LC_SI;
+#endif
+#ifdef INS_110DB
+ // 110 dumbbell
+ r.x=(-0.5+0.25+0.125)*ALBE_LC_SI;
+ r.y=(-0.5+0.25+0.125)*ALBE_LC_SI;
+ r.z=(-0.5+0.25)*ALBE_LC_SI;
+ moldyn->atom[4372].r.x=(-0.5+0.125+0.125)*ALBE_LC_SI;
+ moldyn->atom[4372].r.y=(-0.5+0.125+0.125)*ALBE_LC_SI;
+#endif
+#ifdef INS_001DB
+ // 001 dumbbell
+ r.x=(-0.5+0.25)*ALBE_LC_SI;
+ r.y=(-0.5+0.25)*ALBE_LC_SI;
+ r.z=(-0.1)*ALBE_LC_SI;
+ moldyn->atom[4372].r.z=(-0.4)*ALBE_LC_SI;
+#endif
+#ifdef INS_USER
+ // 001 dumbbell
+ r.x=INS_UX*ALBE_LC_SI;
+ r.y=INS_UY*ALBE_LC_SI;
+ r.z=INS_UZ*ALBE_LC_SI;
+#endif
+#ifdef INS_RAND
+ // random
+#ifdef INS_DYNAMIC_LEN
+ r.x=(rand_get_double(&(moldyn->random))-0.5)*\
+ moldyn->dim.x;
+ r.y=(rand_get_double(&(moldyn->random))-0.5)*\
+ moldyn->dim.y;
+ r.z=(rand_get_double(&(moldyn->random))-0.5)*\
+ moldyn->dim.z;
+#else
+ r.x=(rand_get_double(&(moldyn->random))-0.5)*INS_LENX;
+ r.y=(rand_get_double(&(moldyn->random))-0.5)*INS_LENY;
+ r.z=(rand_get_double(&(moldyn->random))-0.5)*INS_LENZ;
+#endif
+#endif
+ // offset
+ r.x+=INS_OFFSET;
+ r.y+=INS_OFFSET;
+ r.z+=INS_OFFSET;
+ /* assume valid coordinates */
+ run=0;
+ dmin=10000000000.0; // for sure too high!
+ for(i=0;i<moldyn->count;i++) {
+ atom=&(moldyn->atom[i]);
+ v3_sub(&dist,&(atom->r),&r);
+ check_per_bound(moldyn,&dist);
+ d=v3_absolute_square(&dist);
+ /* reject coordinates */
+ if(d<INS_R_C) {
+ //printf("atom %d - %f\n",i,d);
+ run=1;
+ break;
+ }
+ if(d<dmin)
+ dmin=d;
+ }
+ }
+ add_atom(moldyn,INS_TYPE,INS_BRAND,
+ ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|\
+ INS_ATTR,
+ &r,&v);
+ printf(" %02d: atom %d | %f %f %f | %f\n",
+ j,moldyn->count-1,r.x,r.y,r.z,dmin);
+ }
+
+ return 0;
+}
+
+int sic_hook(void *moldyn,void *hook_params) {
+
+ t_hp *hp;
+ t_moldyn *md;
+ int steps;
+ double tau;
+ double dt;
+ double dp;
+
+ hp=hook_params;
+ md=moldyn;
+
+ tau=1.0;
+ steps=0;
+
+ /* switch on t scaling */
+ if(md->schedule.count==0)
+ set_pt_scale(md,P_SCALE_BERENDSEN,P_SCALE_TAU,
+ T_SCALE_BERENDSEN,T_SCALE_TAU);
+
+ /* my lousy state machine ! */
+
+ /* switch to insert state immediately */
+ if(hp->state==STATE_PRERUN)
+ hp->state=STATE_INSERT;
+
+ switch(hp->state) {
+ case STATE_INSERT:
+ goto insert;
+ break;
+ case STATE_POSTRUN:
+ goto postrun;
+ break;
+ default:
+ printf("[sic hook] unknown state\n");
+ return -1;
+ }
+
+ /* act according to state */
+
+insert:
+
+ /* assigne values */
+ steps=INS_RELAX;
+ tau=INS_TAU;
+
+ /* check temperature */
+ dt=md->t_avg-md->t_ref;
+ dp=md->p_avg-md->p_ref;
+ if(dt<0)
+ dt=-dt;
+ if(dp<0)
+ dp=-dp;
+ if((dt>INS_DELTA_TC)|(dp>INS_DELTA_PC))
+ goto addsched;
+
+ /* immediately go on if no job is to be done */
+ if(hp->insert_count==INS_RUNS) {
+ printf(" --- leaving insert state ---\n");
+ hp->state=STATE_POSTRUN;
+ goto postrun;
+ }
+
+ /* else -> insert atoms */
+ hp->insert_count+=1;
+ printf(" ### insert atoms (%d/%d) ###\n",
+ hp->insert_count*INS_ATOMS,INS_RUNS*INS_ATOMS);
+ insert_atoms(md);
+ goto addsched;
+
+postrun:
+
+ /* assigne values */
+ steps=POST_RELAX;
+ tau=POST_TAU;
+
+ /* check temperature */
+ dt=md->t_avg-md->t_ref;
+ dp=md->p_avg-md->p_ref;
+ if(dt<0)
+ dt=-dt;
+ if(dp<0)
+ dp=-dp;
+ if((dt>POST_DELTA_TC)|(dp>POST_DELTA_PC))
+ goto addsched;
+
+ /* immediately return if no job is to be done */
+ if(hp->postrun_count==POST_RUNS) {
+ printf(" --- leaving post run state ---\n");
+ return 0;
+ }
+
+ /* postrun action */
+ hp->postrun_count+=1;
+ printf(" ### postrun (%d/%d) ###\n",
+ hp->postrun_count,POST_RUNS);
+ set_temperature(md,md->t_ref-POST_DT);
+
+addsched:
+
+ /* reset the average counters */
+ average_reset(md);
+
+ /* add schedule */
+ moldyn_add_schedule(md,steps,tau);
+
+ return 0;
+}
int main(int argc,char **argv) {
/* main moldyn structure */
t_moldyn md;
- /* potential parameters */
- t_lj_params lj;
- t_ho_params ho;
- t_tersoff_mult_params tp;
+ /* hook parameter structure */
+ t_hp hookparam;
- /* misc variables, mainly to initialize stuff */
+ /* 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_potential(&md,MOLDYN_1BP,tersoff_mult_1bp,&tp);
- //set_potential(&md,MOLDYN_2BP,tersoff_mult_2bp,&tp);
- //set_potential(&md,MOLDYN_3BP,tersoff_mult_3bp,&tp);
- set_potential(&md,MOLDYN_2BP,lennard_jones,&lj);
+#ifdef ALBE
+ if(set_potential(&md,MOLDYN_POTENTIAL_AM)<0)
+ return -1;
+#else
+ if(set_potential(&md,MOLDYN_POTENTIAL_TM)<0)
+ return -1;
+#endif
+
+ /* cutoff radius & bondlen */
+#ifdef ALBE
+ set_cutoff(&md,ALBE_S_SI);
+ //set_cutoff(&md,ALBE_S_C);
+#else
+ set_cutoff(&md,TM_S_SI);
+ //set_cutoff(&md,TM_S_C);
+#endif
/*
* potential parameters
*/
- /* lennard jones */
- lj.sigma6=LJ_SIGMA_SI*LJ_SIGMA_SI*LJ_SIGMA;
- 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;
-
- /* cutoff radius */
- set_cutoff(&md,LC_SI);
+#ifndef ALBE
+ /*
+ * tersoff mult potential parameters for SiC
+ */
+ tersoff_mult_set_params(&md,SI,C);
+#else
+ /*
+ * albe mult potential parameters for SiC
+ */
+ albe_mult_set_params(&md,SI,C);
+#endif
/* set (initial) dimensions of simulation volume */
- set_dim(&md,10*LC_SI,10*LC_SI,10*LC_SI,TRUE);
+#ifdef ALBE
+ #ifdef INIT_SI
+ set_dim(&md,LCNTX*ALBE_LC_SI,LCNTY*ALBE_LC_SI,LCNTZ*ALBE_LC_SI,TRUE);
+ #endif
+ #ifdef INIT_C
+ set_dim(&md,LCNTX*ALBE_LC_C,LCNTY*ALBE_LC_C,LCNTZ*ALBE_LC_C,TRUE);
+ #endif
+ #ifdef INIT_3CSIC
+ set_dim(&md,LCNTX*ALBE_LC_SIC,LCNTY*ALBE_LC_SIC,LCNTZ*ALBE_LC_SIC,TRUE);
+ #endif
+#else
+ #ifdef INIT_SI
+ set_dim(&md,LCNTX*LC_SI,LCNTY*LC_SI,LCNTZ*LC_SI,TRUE);
+ #endif
+ #ifdef INIT_C
+ set_dim(&md,LCNTX*LC_C,LCNTY*LC_C,LCNTZ*LC_C,TRUE);
+ #endif
+ #ifdef INIT_3CSIC
+ set_dim(&md,LCNTX*TM_LC_SIC,LCNTY*TM_LC_SIC,LCNTZ*TM_LC_SIC,TRUE);
+ #endif
+#endif
/* set periodic boundary conditions in all directions */
set_pbc(&md,TRUE,TRUE,TRUE);
/* create the lattice / place atoms */
- 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);
-
- /* set temperature */
- set_temperature(&md,0.0);
+
+ // diamond
+#ifdef ALBE
+ #ifdef INIT_SI
+ create_lattice(&md,DIAMOND,ALBE_LC_SI,SI,
+ ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
+ 0,LCNTX,LCNTY,LCNTZ,NULL,0,NULL);
+ #endif
+ #ifdef INIT_C
+ create_lattice(&md,DIAMOND,ALBE_LC_C,C,
+ ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
+ 1,LCNTX,LCNTY,LCNTZ,NULL,0,NULL);
+ #endif
+#else
+ #ifdef INIT_SI
+ create_lattice(&md,DIAMOND,LC_SI,SI,
+ ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
+ 0,LCNTX,LCNTY,LCNTZ,NULL,0,NULL);
+ #endif
+ #ifdef INIT_C
+ create_lattice(&md,DIAMOND,LC_C,SI,
+ ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
+ 1,LCNTX,LCNTY,LCNTZ,NULL,0,NULL);
+ #endif
+#endif
+
+ // zinkblende
+#ifdef INIT_3CSIC
+ #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,
+ ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
+ 0,LCNTX,LCNTY,LCNTZ,&r,0,NULL);
+ r.x+=0.25*ALBE_LC_SIC; r.y=r.x; r.z=r.x;
+ create_lattice(&md,FCC,ALBE_LC_SIC,C,
+ ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB|ATOM_ATTR_VB,
+ 1,LCNTX,LCNTY,LCNTZ,&r,0,NULL);
+ #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,
+ ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
+ 0,LCNTX,LCNTY,LCNTZ,&r,0,NULL);
+ r.x+=0.25*TM_LC_SIC; r.y=r.x; r.z=r.x;
+ create_lattice(&md,FCC,TM_LC_SIC,C,
+ ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
+ 1,LCNTX,LCNTY,LCNTZ,&r,0,NULL);
+ #endif
+#endif
+
+ /* check for right atom placing */
+ 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);
+
+ /* set temperature & pressure */
+ set_temperature(&md,atof(argv[2])+273.0);
+ set_pressure(&md,0.0);
+
+ /* set amount of steps to skip before average calc */
+ set_avg_skip(&md,AVG_SKIP);
+
+ /* set p/t scaling */
+ //set_pt_scale(&md,0,0,T_SCALE_BERENDSEN,100.0);
+ //set_pt_scale(&md,P_SCALE_BERENDSEN,0.01/(100*GPA),
+ // 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 */
- thermal_init(&md);
+ /* initial thermal fluctuations of particles (in equilibrium) */
+ thermal_init(&md,TRUE);
/* create the simulation schedule */
- moldyn_add_schedule(&md,10000,1.0e-15);
+ moldyn_add_schedule(&md,PRERUN,PRE_TAU);
+
+ /* schedule hook function */
+ memset(&hookparam,0,sizeof(t_hp));
+ hookparam.argc=argc;
+ hookparam.argv=argv;
+ moldyn_set_schedule_hook(&md,&sic_hook,&hookparam);
+ //moldyn_set_schedule_hook(&md,&hook_del_atom,&hookparam);
+ //moldyn_add_schedule(&md,POSTRUN,1.0);
+
+ /* activate logging */
+ moldyn_set_log_dir(&md,argv[1]);
+ moldyn_set_report(&md,"Frank Zirkelbach",R_TITLE);
+ moldyn_set_log(&md,LOG_TOTAL_ENERGY,LOG_E);
+ moldyn_set_log(&md,LOG_TEMPERATURE,LOG_T);
+ moldyn_set_log(&md,LOG_PRESSURE,LOG_P);
+ moldyn_set_log(&md,LOG_VOLUME,LOG_V);
+ moldyn_set_log(&md,VISUAL_STEP,LOG_A);
+ moldyn_set_log(&md,SAVE_STEP,LOG_S);
+ moldyn_set_log(&md,CREATE_REPORT,0);
+
+ /* next neighbour distance for critical checking */
+ set_nn_dist(&md,0.25*ALBE_LC_SI*sqrt(3.0));
/*
* let's do the actual md algorithm now
*
* integration of newtons equations
*/
-
moldyn_integrate(&md);
+#ifdef dEBUG
+return 0;
+#endif
- /* close */
-
- link_cell_shutdown(&md);
+ /*
+ * post processing the data
+ */
+ /* close */
moldyn_shutdown(&md);
return 0;
projects / physik / posic.git / blobdiff