Merge branch 'leadoff'
[physik/posic.git] / sic.c
diff --git a/sic.c b/sic.c
index 5bdfeea..375c6d5 100644 (file)
--- a/sic.c
+++ b/sic.c
 #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         1
-#define NR_ATOMS       4
+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;
 
-int hook(void *moldyn,void *hook_params) {
+#define STATE_PRERUN   0x00
+#define STATE_INSERT   0x01
+#define STATE_POSTRUN  0x02
 
-       t_moldyn *md;
-       t_3dvec r,v,dist;
-       double d;
-       unsigned char run;
-       int i,j;
-       t_atom *atom;
+/* include the config file */
+#include "config.h"
 
-       md=moldyn;
+int insert_atoms(t_moldyn *moldyn) {
+
+       int i,j;
+       u8 run;
+       t_3dvec r,v,dist;
+       double d,dmin;
 
-// vortrag
-set_temperature(moldyn,(4-md->schedule.count)*1000.0);
-set_pt_scale(md,0,0,T_SCALE_BERENDSEN,100.0);
+       t_atom *atom;
 
-return 0;
+       atom=moldyn->atom;
 
-       printf("\nschedule hook: ");
+       v.x=0; v.y=0; v.z=0;
 
-       if(!(md->schedule.count%2)) {
-               /* add carbon at random place, and enable t scaling */
-               for(j=0;j<NR_ATOMS;j++) {
+       for(j=0;j<INS_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]);
+#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);
-                               if(d>TM_R_C)
-                                       run=0;
+                               /* reject coordinates */
+                               if(d<INS_R_C) {
+                                       //printf("atom %d - %f\n",i,d);
+                                       run=1;
+                                       break;
+                               }
+                               if(d<dmin)
+                                       dmin=d;
                        }
                }
-               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,
+               add_atom(moldyn,INS_TYPE,INS_BRAND,
+                        ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|\
+                        INS_ATTR,
                         &r,&v);
-               }
-               printf("adding atoms & enable t scaling\n");
-               set_pt_scale(md,0,0,T_SCALE_BERENDSEN,100.0);
-       }
-       else {
-               /* disable t scaling */
-               printf("disabling t scaling\n");
-               set_pt_scale(md,0,0,0,0);
+               printf(" %02d: atom %d | %f %f %f | %f\n",
+                      j,moldyn->count-1,r.x,r.y,r.z,dmin);
        }
 
        return 0;
 }
 
-int main(int argc,char **argv) {
+int sic_hook(void *moldyn,void *hook_params) {
 
-       /* check argv */
-       if(argc!=3) {
-               printf("[sic] usage: %s <logdir> <temperatur>\n",argv[0]);
-               return -1;
+       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_tersoff_mult_params tp;
-       t_albe_mult_params ap;
-
-       /* atom injection counter */
-       int inject;
+       /* hook parameter structure */
+       t_hp hookparam;
 
        /* testing location & velocity vector */
        t_3dvec r,v;
@@ -107,155 +262,113 @@ int main(int argc,char **argv) {
 
        /* choose potential */
 #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);
+       if(set_potential(&md,MOLDYN_POTENTIAL_AM)<0)
+               return -1;
 #else
-       set_potential_params(&md,&tp);
+       if(set_potential(&md,MOLDYN_POTENTIAL_TM)<0)
+               return -1;
 #endif
 
-       /* cutoff radius */
+       /* 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
         */
 
+#ifndef ALBE
        /*
          * 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.h[1]=TM_H_C;
-
-       tp.chi=TM_CHI_SIC;
-
-       tersoff_mult_complete_params(&tp);
-
+       tersoff_mult_set_params(&md,SI,C);
+#else
        /*
          * 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);
+       albe_mult_set_params(&md,SI,C);
+#endif
 
        /* set (initial) dimensions of simulation volume */
 #ifdef ALBE
-       //set_dim(&md,8*ALBE_LC_SI,8*ALBE_LC_SI,8*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);
+ #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
-       //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);
+ #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 */
+
+       // diamond
 #ifdef ALBE
-       //create_lattice(&md,DIAMOND,ALBE_LC_SI,SI,M_SI,
-       //create_lattice(&md,DIAMOND,ALBE_LC_C,C,M_C,
+ #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
-       //create_lattice(&md,DIAMOND,LC_SI,SI,M_SI,
+ #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
-       //               ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
-       //               ATOM_ATTR_2BP|ATOM_ATTR_HB,
-       //               0,8,8,8,NULL);
-       //               1,8,8,8,NULL);
 
-       /* create zinkblende structure */
-       /**/
-#ifdef ALBE
+       // 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,M_SI,
+       create_lattice(&md,FCC,ALBE_LC_SIC,SI,
                       ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
-                      0,8,8,8,&r);
+                      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,M_C,
-                      ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
-                      1,8,8,8,&r);
-#else
+       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,M_SI,
+       create_lattice(&md,FCC,TM_LC_SIC,SI,
                       ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
-                      0,8,8,8,&r);
+                      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,M_C,
+       create_lattice(&md,FCC,TM_LC_SIC,C,
                       ATOM_ATTR_1BP|ATOM_ATTR_2BP|ATOM_ATTR_3BP|ATOM_ATTR_HB,
-                      1,8,8,8,&r);
+                      1,LCNTX,LCNTY,LCNTZ,&r,0,NULL);
+ #endif
 #endif
-       /**/
 
        /* check for right atom placing */
        moldyn_bc_check(&md);
@@ -294,51 +407,46 @@ int main(int argc,char **argv) {
 
        /* set temperature & pressure */
        set_temperature(&md,atof(argv[2])+273.0);
-       set_pressure(&md,BAR);
+       set_pressure(&md,0.0);
 
        /* set amount of steps to skip before average calc */
-       set_mean_skip(&md,500);
+       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,0.001,
+       //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,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) */
        thermal_init(&md,TRUE);
 
        /* create the simulation schedule */
-       /* initial configuration */
-       moldyn_add_schedule(&md,10000,1.0);
-       //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 atom and run with enabled t scaling */
-       //      moldyn_add_schedule(&md,900,1.0);
-       //      /* continue running with disabled t scaling */
-       //      moldyn_add_schedule(&md,1100,1.0);
-       //}
-
+       moldyn_add_schedule(&md,PRERUN,PRE_TAU);
 
        /* schedule hook function */
-       moldyn_set_schedule_hook(&md,&hook,NULL);
+       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","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_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
         *