case STAGE_DEL_ATOMS:
psize=sizeof(t_del_atoms_params);
break;
+ case STAGE_MODIFY_ATOMS:
+ psize=sizeof(t_modify_atoms_params);
+ break;
case STAGE_INSERT_ATOMS:
psize=sizeof(t_insert_atoms_params);
break;
case STAGE_THERMAL_INIT:
psize=0;
break;
+ case STAGE_CONSTRAINT_RELAXATION_TECHNIQUE:
+ psize=sizeof(t_constraint_relaxation_technique);
+ break;
default:
printf("%s unknown stage type: %02x\n",ME,type);
return -1;
int i,o;
t_displace_atom_params dap;
+ t_modify_atoms_params map;
t_insert_atoms_params iap;
t_insert_mixed_atoms_params imp;
t_continue_params cp;
t_set_timestep_params stsp;
t_fill_params fp;
t_del_atoms_params delp;
+ t_crt_params crtp;
/* open config file */
fd=open(mdrun->cfile,O_RDONLY);
// reset
memset(&iap,0,sizeof(t_insert_atoms_params));
+ memset(&map,0,sizeof(t_modify_atoms_params));
memset(&imp,0,sizeof(t_insert_mixed_atoms_params));
memset(&cp,0,sizeof(t_continue_params));
memset(&ap,0,sizeof(t_anneal_params));
memset(&stsp,0,sizeof(t_set_timestep_params));
memset(&fp,0,sizeof(t_fill_params));
memset(&delp,0,sizeof(t_del_atoms_params));
+ memset(&crtp,0,sizeof(t_crt_params));
// get command + args
wcnt=0;
continue;
}
+ // offset
+ if(word[i][0]=='o') {
+ fp.o_params.o.x=atof(word[++i])*fp.lc;
+ fp.o_params.o.y=atof(word[++i])*fp.lc;
+ fp.o_params.o.z=atof(word[++i])*fp.lc;
+ fp.o_params.use=1;
+ continue;
+ }
i+=1;
}
add_stage(mdrun,STAGE_FILL,&fp);
case 'e':
cap.type|=CHAATTR_ELEMENT;
break;
+ case 'n':
+ cap.type|=CHAATTR_NUMBER;
default:
break;
}
}
i=2;
if(cap.type&CHAATTR_REGION) {
- cap.x0=atof(word[1]);
- cap.y0=atof(word[2]);
- cap.z0=atof(word[3]);
- cap.x1=atof(word[4]);
- cap.y1=atof(word[5]);
- cap.z1=atof(word[6]);
+ cap.x0=atof(word[2]);
+ cap.y0=atof(word[3]);
+ cap.z0=atof(word[4]);
+ cap.x1=atof(word[5]);
+ cap.y1=atof(word[6]);
+ cap.z1=atof(word[7]);
i+=6;
}
if(cap.type&CHAATTR_ELEMENT) {
cap.element=atoi(word[i]);
i+=1;
}
+ if(cap.type&CHAATTR_NUMBER) {
+ cap.element=atoi(word[i]);
+ i+=1;
+ }
for(o=0;o<strlen(word[i]);o++) {
switch(word[i][o]) {
case 'b':
delp.r=atof(word[5]);
add_stage(mdrun,STAGE_DEL_ATOMS,&delp);
}
+ else if(!strncmp(word[1],"mod_atoms",8)) {
+ i=2;
+ while(i<wcnt) {
+ if(!strncmp(word[i],"t",1)) {
+ map.tag=atoi(word[++i]);
+ i+=1;
+ }
+ if(!strncmp(word[i],"ekin",5)) {
+ map.ekin.x=atof(word[++i])*EV;
+ map.ekin.y=atof(word[++i])*EV;
+ map.ekin.z=atof(word[++i])*EV;
+ i+=1;
+ }
+ }
+ add_stage(mdrun,STAGE_MODIFY_ATOMS,&map);
+ }
else if(!strncmp(word[1],"ins_atoms",9)) {
iap.ins_steps=atoi(word[2]);
iap.ins_atoms=atoi(word[3]);
iap.y0=atof(word[9]);
iap.z0=atof(word[10]);
break;
+ case 'P':
+ iap.type=INS_RELPOS;
+ iap.x0=atof(word[8]);
+ iap.y0=atof(word[9]);
+ iap.z0=atof(word[10]);
+ break;
case 'r':
switch(word[8][0]) {
stsp.tau=atof(word[2]);
add_stage(mdrun,STAGE_SET_TIMESTEP,&stsp);
}
+ else if(!strncmp(word[1],"crt",3)) {
+ crtp.type=atoi(word[2]);
+ crtp.steps=atoi(word[3]);
+ strncpy(crtp.file,word[4],127);
+ add_stage(mdrun,STAGE_CRT,&crtp);
+ }
else {
printf("%s unknown stage type: %s\n",
ME,word[1]);
}
return 0;
+}
+
+int modify_atoms(t_moldyn *moldyn,t_mdrun *mdrun) {
+ t_modify_atoms_params *map;
+ t_stage *stage;
+ t_atom *atom;
+ t_3dvec v;
+ int i;
+
+ atom=moldyn->atom;
+ stage=mdrun->stage.current->data;
+ map=stage->params;
+ v.x=0.0; v.y=0.0; v.z=0.0;
+
+ for(i=0;i<moldyn->count;i++) {
+ if(atom[i].tag==map->tag) {
+ v.x=sqrt(2.0*fabs(map->ekin.x)/atom[i].mass);
+ if(map->ekin.x<0.0)
+ v.x=-v.x;
+ v.y=sqrt(2.0*fabs(map->ekin.y)/atom[i].mass);
+ if(map->ekin.y<0.0)
+ v.y=-v.y;
+ v.z=sqrt(2.0*fabs(map->ekin.z)/atom[i].mass);
+ if(map->ekin.z<0.0)
+ v.z=-v.z;
+ v3_copy(&(atom[i].v),&v);
+ printf("%s atom modified: v = (%f %f %f)\n",
+ ME,v.x,v.y,v.z);
+ }
+ }
+
+ return 0;
}
int insert_atoms(t_moldyn *moldyn,t_mdrun *mdrun) {
cr_check=TRUE;
break;
case INS_POS:
+ case INS_RELPOS:
x0=iap->x0;
y0=iap->y0;
z0=iap->z0;
while(cnt<iap->ins_atoms) {
run=1;
while(run) {
- if(iap->type!=INS_POS) {
+ if((iap->type!=INS_POS)&&(iap->type!=INS_RELPOS)) {
r.x=rand_get_double(&(moldyn->random))*x;
r.y=rand_get_double(&(moldyn->random))*y;
r.z=rand_get_double(&(moldyn->random))*z;
r.y=0.0;
r.z=0.0;
}
- r.x+=x0;
- r.y+=y0;
- r.z+=z0;
+ if(iap->type==INS_RELPOS) {
+ r.x+=x0*mdrun->lc;
+ r.y+=y0*mdrun->lc;
+ r.z+=z0*mdrun->lc;
+ }
+ else {
+ r.x+=x0;
+ r.y+=y0;
+ r.z+=z0;
+ }
// offset
if(iap->type!=INS_TOTAL) {
r.x+=o;
printf("%s atom inserted (%d/%d): %f %f %f\n",
ME,(iap->cnt_steps+1)*iap->ins_atoms,
iap->ins_steps*iap->ins_atoms,r.x,r.y,r.z);
- printf(" -> d2 = %f/%f\n",dmin,iap->cr*iap->cr);
+ printf(" attributes: ");
+ if(iap->attr&ATOM_ATTR_VB)
+ printf("b ");
+ if(iap->attr&ATOM_ATTR_HB)
+ printf("h ");
+ if(iap->attr&ATOM_ATTR_VA)
+ printf("v ");
+ if(iap->attr&ATOM_ATTR_FP)
+ printf("f ");
+ if(iap->attr&ATOM_ATTR_1BP)
+ printf("1 ");
+ if(iap->attr&ATOM_ATTR_2BP)
+ printf("2 ");
+ if(iap->attr&ATOM_ATTR_3BP)
+ printf("3 ");
+ printf("\n");
+ printf(" d2 = %f/%f\n",dmin,iap->cr*iap->cr);
cnt+=1;
}
if(cap->element!=atom->element)
continue;
}
+ if(cap->type&CHAATTR_NUMBER) {
+ if(cap->element!=atom->tag)
+ continue;
+ }
if(cap->type&CHAATTR_REGION) {
- if(cap->x0<atom->r.x)
+ if(cap->x0>atom->r.x)
continue;
- if(cap->y0<atom->r.y)
+ if(cap->y0>atom->r.y)
continue;
- if(cap->z0<atom->r.z)
+ if(cap->z0>atom->r.z)
continue;
- if(cap->x1>atom->r.x)
+ if(cap->x1<atom->r.x)
continue;
- if(cap->y1>atom->r.y)
+ if(cap->y1<atom->r.y)
continue;
- if(cap->z1>atom->r.z)
+ if(cap->z1<atom->r.z)
continue;
}
+ if(!(cap->type&CHAATTR_TOTALV))
+ printf(" changing attributes of atom %d (0x%x)\n",
+ i,cap->attr);
atom->attr=cap->attr;
}
+ printf("\n\n");
+
return 0;
}
return 0;
}
+int crt(t_moldyn *moldyn,t_mdrun *mdrun) {
+
+ t_stage *stage;
+ t_crt_params *crtp;
+
+ int fd;
+ char line[128];
+ char *wptr;
+ int acount;
+ int ret;
+ void *ptr;
+
+ extern u8 crt;
+ extern u8 *constraints;
+ extern double *trafo_angles;
+
+ t_atom *atom;
+ double dx,dy,dz;
+
+ stage=mdrun->stage.current->data;
+ crtp=stage->params;
+
+ acount=0;
+
+ /* initial stuff */
+
+ if(crtp->count==0) {
+ printf(" crt init\n",acount);
+ // read final positions, constraints and do the alloc
+ fd=open(crtp->file,O_RDONLY);
+ if(fd<0) {
+ perror("[mdrun] FATAL reading constraints file");
+ return fd;
+ }
+ while(1) {
+ ret=get_line(fd,line,128);
+ // check for end of file
+ if(ret<=0) {
+ printf(" -> read %d atom positions\n",acount);
+ crtp->acnt=acount;
+ break;
+ }
+ // ignore # lines and \n
+ if((line[0]=='#')|(ret==1))
+ continue;
+ // allocate new memory
+ ptr=realloc(crtp->r_fin,(acount+1)*sizeof(t_3dvec));
+ if(ptr==NULL) {
+ perror("[mdrun] FATAL realloc crt positions");
+ return -1;
+ }
+ crtp->r_fin=ptr;
+ ptr=realloc(constraints,(acount+1)*3*sizeof(u8));
+ if(ptr==NULL) {
+ perror("[mdrun] FATAL realloc crt constraints");
+ return -1;
+ }
+ constraints=ptr;
+ // ignore type
+ wptr=strtok(line," \t");
+ // read x y z
+ wptr=strtok(NULL," \t");
+ crtp->r_fin.x=atof(wptr);
+ wptr=strtok(NULL," \t");
+ crtp->r_fin.y=atof(wptr);
+ wptr=strtok(NULL," \t");
+ crtp->r_fin.z=atof(wptr);
+ // read constraints
+ wptr=strtok(NULL," \t");
+ constraints[acount]=atoi(wptr);
+ wptr=strtok(NULL," \t");
+ constraints[acount+1]=atoi(wptr);
+ wptr=strtok(NULL," \t");
+ constraints[acount+2]=atoi(wptr);
+ // done reading
+ acount+=1;
+ }
+ // allocate trafo angles
+ trafo_angle=malloc(acount*2*sizeof(double));
+ if(trafo_angle==NULL) {
+ perror("[mdrun] FATAL alloc trafo angles");
+ return -1;
+ }
+ // set crt mode
+ crt=crtp->type;
+ }
+
+ /* crt routines: calculate displacement + set individual constraints */
+
+ for(i=0;i<moldyn->count;i++) {
+ atom=moldyn->atom;
+ dx=atom[i].r.x-crtp->r_fin[i].x;
+ dy=atom[i].r.y-crtp->r_fin[i].y;
+ dz=atom[i].r.z-crtp->r_fin[i].z;
+ // HIER WEITER
+ }
+
+ return 0;
+}
+
#define stage_print(m) if(!(stage->executed)) \
printf("%s",m)
del_atoms(moldyn,mdrun);
change_stage=TRUE;
break;
+ case STAGE_MODIFY_ATOMS:
+ stage_print(" -> modify atoms\n\n");
+ modify_atoms(moldyn,mdrun);
+ change_stage=TRUE;
+ break;
case STAGE_INSERT_ATOMS:
stage_print(" -> insert atoms\n\n");
iap=stage->params;
fp->lx,fp->ly,fp->lz,
&o,
&(fp->p_params),
- &(fp->d_params));
+ &(fp->d_params),
+ &(fp->o_params));
o.x+=0.25*fp->lc;
o.y=o.x;
o.z=o.x;
fp->lx,fp->ly,fp->lz,
&o,
&(fp->p_params),
- &(fp->d_params));
+ &(fp->d_params),
+ &(fp->o_params));
break;
default:
fp->lx,fp->ly,fp->lz,
NULL,
&(fp->p_params),
- &(fp->d_params));
+ &(fp->d_params),
+ &(fp->o_params));
break;
}
moldyn_bc_check(moldyn);
thermal_init(moldyn,TRUE);
change_stage=TRUE;
break;
+ case STAGE_CRT:
+ stage_print(" -> constraint relaxation")
+ stage_print(" technique\n\n");
+ crtp=stage->params;
+ if(crtp->count==crtp->steps) {
+ change_stage=TRUE;
+ break;
+ }
+ crt(moldyn,mdrun);
+ crtp->count+=1;
+ break;
default:
printf("%s unknwon stage type\n",ME);
break;