4 |
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|
5 |
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!! @author Charles F. Vardeman II |
6 |
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!! @author Matthew Meineke |
7 |
< |
!! @version $Id: do_Forces.F90,v 1.53 2004-05-01 18:52:38 tim Exp $, $Date: 2004-05-01 18:52:38 $, $Name: not supported by cvs2svn $, $Revision: 1.53 $ |
7 |
> |
!! @version $Id: do_Forces.F90,v 1.54 2004-05-07 21:35:04 gezelter Exp $, $Date: 2004-05-07 21:35:04 $, $Name: not supported by cvs2svn $, $Revision: 1.54 $ |
8 |
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9 |
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module do_Forces |
10 |
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use force_globals |
11 |
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use simulation |
12 |
|
use definitions |
13 |
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use atype_module |
14 |
+ |
use switcheroo |
15 |
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use neighborLists |
16 |
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use lj |
17 |
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use sticky_pair |
31 |
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|
32 |
|
#define __FORTRAN90 |
33 |
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#include "fForceField.h" |
34 |
+ |
#include "fSwitchingFunction.h" |
35 |
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|
36 |
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logical, save :: haveRlist = .false. |
37 |
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logical, save :: haveNeighborList = .false. |
64 |
|
public :: init_FF |
65 |
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public :: do_force_loop |
66 |
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public :: setRlistDF |
65 |
– |
|
67 |
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|
68 |
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#ifdef PROFILE |
69 |
|
public :: getforcetime |
365 |
|
endif |
366 |
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haveNeighborList = .true. |
367 |
|
endif |
368 |
+ |
|
369 |
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|
370 |
+ |
|
371 |
|
end subroutine init_FF |
372 |
|
|
373 |
|
|
374 |
|
!! Does force loop over i,j pairs. Calls do_pair to calculates forces. |
375 |
|
!-------------------------------------------------------------> |
376 |
< |
subroutine do_force_loop(q, qcom, A, u_l, f, t, tau, pot, & |
376 |
> |
subroutine do_force_loop(q, q_group, A, u_l, f, t, tau, pot, & |
377 |
|
do_pot_c, do_stress_c, error) |
378 |
|
!! Position array provided by C, dimensioned by getNlocal |
379 |
|
real ( kind = dp ), dimension(3,nLocal) :: q |
380 |
|
!! molecular center-of-mass position array |
381 |
< |
real ( kind = dp ), dimension(3,nLocal) :: qcom |
381 |
> |
real ( kind = dp ), dimension(3,nGroup) :: q_group |
382 |
|
!! Rotation Matrix for each long range particle in simulation. |
383 |
|
real( kind = dp), dimension(9,nLocal) :: A |
384 |
|
!! Unit vectors for dipoles (lab frame) |
394 |
|
logical ( kind = 2) :: do_pot_c, do_stress_c |
395 |
|
logical :: do_pot |
396 |
|
logical :: do_stress |
397 |
+ |
logical :: in_switching_region |
398 |
|
#ifdef IS_MPI |
399 |
|
real( kind = DP ) :: pot_local |
400 |
|
integer :: nrow |
401 |
|
integer :: ncol |
402 |
|
integer :: nprocs |
403 |
+ |
integer :: nrow_group |
404 |
+ |
integer :: ncol_group |
405 |
|
#endif |
406 |
|
integer :: natoms |
407 |
|
logical :: update_nlist |
408 |
|
integer :: i, j, jbeg, jend, jnab |
409 |
+ |
integer :: ia, jb, atom1, atom2 |
410 |
|
integer :: nlist |
411 |
< |
real( kind = DP ) :: rijsq, rcijsq |
412 |
< |
real(kind=dp),dimension(3) :: d, dc |
411 |
> |
real( kind = DP ) :: ratmsq, rgrpsq, rgrp, vpair, vab |
412 |
> |
real( kind = DP ) :: sw, dswdr, swderiv, mf |
413 |
> |
real(kind=dp),dimension(3) :: d_atm, d_grp |
414 |
|
real(kind=dp) :: rfpot, mu_i, virial |
415 |
|
integer :: me_i, me_j |
416 |
|
logical :: is_dp_i |
427 |
|
pot_local = 0.0_dp |
428 |
|
nrow = getNrow(plan_row) |
429 |
|
ncol = getNcol(plan_col) |
430 |
+ |
nrow_group = getNrowGroup(plan_row) |
431 |
+ |
ncol_group = getNcolGroup(plan_col) |
432 |
|
#else |
433 |
|
natoms = nlocal |
434 |
|
#endif |
448 |
|
|
449 |
|
#ifdef IS_MPI |
450 |
|
|
451 |
< |
call gather(q,q_Row,plan_row3d) |
452 |
< |
call gather(q,q_Col,plan_col3d) |
453 |
< |
|
454 |
< |
if (SIM_uses_molecular_cutoffs) then |
455 |
< |
call gather(qcom,qcom_Row,plan_row3d) |
456 |
< |
call gather(qcom,qcom_Col,plan_col3d) |
447 |
< |
endif |
448 |
< |
|
451 |
> |
call gather(q, q_Row, plan_row3d) |
452 |
> |
call gather(q, q_Col, plan_col3d) |
453 |
> |
|
454 |
> |
call gather(q_group, q_group_Row, plan_row_Group_3d) |
455 |
> |
call gather(q_group, q_group_Col, plan_col_Group_3d) |
456 |
> |
|
457 |
|
if (FF_UsesDirectionalAtoms() .and. SIM_uses_directional_atoms) then |
458 |
|
call gather(u_l,u_l_Row,plan_row3d) |
459 |
|
call gather(u_l,u_l_Col,plan_col3d) |
472 |
|
|
473 |
|
if (FF_RequiresPrepairCalc() .and. SIM_requires_prepair_calc) then |
474 |
|
!! See if we need to update neighbor lists |
475 |
< |
if (SIM_uses_molecular_cutoffs) then |
476 |
< |
call checkNeighborList(nlocal, qcom, listSkin, update_nlist) |
477 |
< |
else |
470 |
< |
call checkNeighborList(nlocal, q, listSkin, update_nlist) |
471 |
< |
endif |
475 |
> |
|
476 |
> |
call checkNeighborList(nGroup, q_group, listSkin, update_nlist) |
477 |
> |
|
478 |
|
!! if_mpi_gather_stuff_for_prepair |
479 |
|
!! do_prepair_loop_if_needed |
480 |
|
!! if_mpi_scatter_stuff_from_prepair |
487 |
|
|
488 |
|
!! save current configuration, construct neighbor list, |
489 |
|
!! and calculate forces |
490 |
< |
if (SIM_uses_molecular_cutoffs) then |
491 |
< |
call saveNeighborList(nlocal, qcom) |
486 |
< |
else |
487 |
< |
call saveNeighborList(nlocal, q) |
488 |
< |
endif |
490 |
> |
|
491 |
> |
call saveNeighborList(nGroup, q_group) |
492 |
|
|
493 |
|
neighborListSize = size(list) |
494 |
|
nlist = 0 |
495 |
|
|
496 |
< |
do i = 1, nrow |
496 |
> |
do i = 1, nrow_group |
497 |
|
point(i) = nlist + 1 |
498 |
|
|
499 |
< |
prepair_inner: do j = 1, ncol |
499 |
> |
do j = 1, ncol_group |
500 |
|
|
501 |
< |
if (skipThisPair(i,j)) cycle prepair_inner |
501 |
> |
call get_interatomic_vector(q_group_Row(:,i), & |
502 |
> |
q_group_Col(:,j), d_grp, rgrpsq) |
503 |
|
|
504 |
< |
if (SIM_uses_molecular_cutoffs) then |
501 |
< |
call get_interatomic_vector(qcom_Row(:,i), qcom_Col(:,j), & |
502 |
< |
dc, rcijsq) |
503 |
< |
else |
504 |
< |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), & |
505 |
< |
dc, rcijsq) |
506 |
< |
endif |
507 |
< |
|
508 |
< |
if (rcijsq < rlistsq) then |
509 |
< |
|
504 |
> |
if (rgrpsq < rlistsq) then |
505 |
|
nlist = nlist + 1 |
506 |
|
|
507 |
|
if (nlist > neighborListSize) then |
508 |
< |
call expandNeighborList(nlocal, listerror) |
508 |
> |
call expandNeighborList(nGroup, listerror) |
509 |
|
if (listerror /= 0) then |
510 |
|
error = -1 |
511 |
|
write(DEFAULT_ERROR,*) "ERROR: nlist > list size and max allocations exceeded." |
516 |
|
|
517 |
|
list(nlist) = j |
518 |
|
|
519 |
< |
if (SIM_uses_molecular_cutoffs) then |
520 |
< |
! since the simulation distances were in molecular COMs: |
521 |
< |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), & |
522 |
< |
d, rijsq) |
523 |
< |
else |
524 |
< |
d(1:3) = dc(1:3) |
525 |
< |
rijsq = rcijsq |
526 |
< |
endif |
527 |
< |
|
528 |
< |
call do_prepair(i, j, rijsq, d, rcijsq, dc, & |
529 |
< |
do_pot, do_stress, u_l, A, f, t, pot_local) |
530 |
< |
endif |
531 |
< |
enddo prepair_inner |
519 |
> |
do ia = groupStart(i), groupStart(i+1)-1 |
520 |
> |
atom1 = groupList(ia) |
521 |
> |
|
522 |
> |
prepair_inner: do jb = groupStart(j), groupStart(j+1)-1 |
523 |
> |
atom2 = groupList(jb) |
524 |
> |
|
525 |
> |
if (skipThisPair(atom1, atom2)) cycle prepair_inner |
526 |
> |
|
527 |
> |
call get_interatomic_vector(q_Row(:,atom1), & |
528 |
> |
q_Col(:,atom2), d_atm, ratmsq) |
529 |
> |
|
530 |
> |
call do_prepair(atom1, atom2, ratmsq, d_atm, & |
531 |
> |
rgrpsq, d_grp, do_pot, do_stress, & |
532 |
> |
u_l, A, f, t, pot_local) |
533 |
> |
|
534 |
> |
enddo prepair_inner |
535 |
> |
enddo |
536 |
> |
end if |
537 |
> |
enddo |
538 |
|
enddo |
539 |
< |
|
540 |
< |
point(nrow + 1) = nlist + 1 |
540 |
< |
|
539 |
> |
point(nrow_group + 1) = nlist + 1 |
540 |
> |
|
541 |
|
else !! (of update_check) |
542 |
|
|
543 |
|
! use the list to find the neighbors |
544 |
< |
do i = 1, nrow |
544 |
> |
do i = 1, nrow_group |
545 |
|
JBEG = POINT(i) |
546 |
|
JEND = POINT(i+1) - 1 |
547 |
< |
! check thiat molecule i has neighbors |
547 |
> |
! check that group i has neighbors |
548 |
|
if (jbeg .le. jend) then |
549 |
|
|
550 |
|
do jnab = jbeg, jend |
551 |
|
j = list(jnab) |
552 |
– |
|
553 |
– |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), & |
554 |
– |
d, rijsq) |
555 |
– |
if (SIM_uses_molecular_cutoffs) then |
556 |
– |
call get_interatomic_vector(qcom_Row(:,i),qcom_Col(:,j),& |
557 |
– |
dc, rcijsq) |
558 |
– |
else |
559 |
– |
dc(1:3) = d(1:3) |
560 |
– |
rcijsq = rijsq |
561 |
– |
endif |
552 |
|
|
553 |
< |
call do_prepair(i, j, rijsq, d, rcijsq, dc, & |
554 |
< |
do_pot, do_stress, u_l, A, f, t, pot_local) |
555 |
< |
|
553 |
> |
do ia = groupStart(i), groupStart(i+1)-1 |
554 |
> |
atom1 = groupList(ia) |
555 |
> |
|
556 |
> |
do jb = groupStart(j), groupStart(j+1)-1 |
557 |
> |
atom2 = groupList(jb) |
558 |
> |
|
559 |
> |
call get_interatomic_vector(q_Row(:,atom1), & |
560 |
> |
q_Col(:,atom2), d_atm, ratmsq) |
561 |
> |
|
562 |
> |
call do_prepair(atom1, atom2, ratmsq, d_atm, & |
563 |
> |
rgrpsq, d_grp, do_pot, do_stress, & |
564 |
> |
u_l, A, f, t, pot_local) |
565 |
> |
|
566 |
> |
enddo |
567 |
> |
enddo |
568 |
|
enddo |
569 |
|
endif |
570 |
|
enddo |
571 |
|
endif |
572 |
|
|
573 |
|
#else |
574 |
< |
|
574 |
> |
|
575 |
|
if (update_nlist) then |
576 |
|
|
577 |
< |
! save current configuration, contruct neighbor list, |
578 |
< |
! and calculate forces |
577 |
< |
call saveNeighborList(natoms, q) |
577 |
> |
!! save current configuration, construct neighbor list, |
578 |
> |
!! and calculate forces |
579 |
|
|
580 |
+ |
call saveNeighborList(nGroup, q_group) |
581 |
+ |
|
582 |
|
neighborListSize = size(list) |
583 |
+ |
nlist = 0 |
584 |
|
|
585 |
< |
nlist = 0 |
582 |
< |
|
583 |
< |
do i = 1, natoms-1 |
585 |
> |
do i = 1, nGroup-1 |
586 |
|
point(i) = nlist + 1 |
587 |
|
|
588 |
< |
prepair_inner: do j = i+1, natoms |
588 |
> |
do j = i+1, nGroup |
589 |
|
|
590 |
< |
if (skipThisPair(i,j)) cycle prepair_inner |
590 |
> |
call get_interatomic_vector(q_group(:,i), & |
591 |
> |
q_group(:,j), d_grp, rgrpsq) |
592 |
|
|
593 |
< |
if (SIM_uses_molecular_cutoffs) then |
591 |
< |
call get_interatomic_vector(qcom(:,i), qcom(:,j), & |
592 |
< |
dc, rcijsq) |
593 |
< |
else |
594 |
< |
call get_interatomic_vector(q(:,i), q(:,j), dc, rcijsq) |
595 |
< |
endif |
596 |
< |
|
597 |
< |
if (rcijsq < rlistsq) then |
598 |
< |
|
593 |
> |
if (rgrpsq < rlistsq) then |
594 |
|
nlist = nlist + 1 |
595 |
|
|
596 |
|
if (nlist > neighborListSize) then |
597 |
< |
call expandNeighborList(natoms, listerror) |
597 |
> |
call expandNeighborList(nGroup, listerror) |
598 |
|
if (listerror /= 0) then |
599 |
|
error = -1 |
600 |
|
write(DEFAULT_ERROR,*) "ERROR: nlist > list size and max allocations exceeded." |
605 |
|
|
606 |
|
list(nlist) = j |
607 |
|
|
608 |
< |
|
609 |
< |
if (SIM_uses_molecular_cutoffs) then |
610 |
< |
! since the simulation distances were in molecular COMs: |
611 |
< |
call get_interatomic_vector(q(:,i), q(:,j), & |
612 |
< |
d, rijsq) |
613 |
< |
else |
614 |
< |
dc(1:3) = d(1:3) |
615 |
< |
rcijsq = rijsq |
616 |
< |
endif |
617 |
< |
|
618 |
< |
call do_prepair(i, j, rijsq, d, rcijsq, dc, & |
619 |
< |
do_pot, do_stress, u_l, A, f, t, pot) |
620 |
< |
|
621 |
< |
endif |
622 |
< |
enddo prepair_inner |
608 |
> |
do ia = groupStart(i), groupStart(i+1)-1 |
609 |
> |
atom1 = groupList(ia) |
610 |
> |
|
611 |
> |
prepair_inner: do jb = groupStart(j), groupStart(j+1)-1 |
612 |
> |
atom2 = groupList(jb) |
613 |
> |
|
614 |
> |
if (skipThisPair(atom1, atom2)) cycle prepair_inner |
615 |
> |
|
616 |
> |
call get_interatomic_vector(q(:,atom1), & |
617 |
> |
q(:,atom2), d_atm, ratmsq) |
618 |
> |
|
619 |
> |
call do_prepair(atom1, atom2, ratmsq, d_atm, & |
620 |
> |
rgrpsq, d_grp, do_pot, do_stress, & |
621 |
> |
u_l, A, f, t, pot) |
622 |
> |
|
623 |
> |
enddo prepair_inner |
624 |
> |
enddo |
625 |
> |
end if |
626 |
> |
enddo |
627 |
|
enddo |
628 |
+ |
point(nGroup) = nlist + 1 |
629 |
+ |
|
630 |
+ |
else !! (of update_check) |
631 |
|
|
630 |
– |
point(natoms) = nlist + 1 |
631 |
– |
|
632 |
– |
else !! (update) |
633 |
– |
|
632 |
|
! use the list to find the neighbors |
633 |
< |
do i = 1, natoms-1 |
633 |
> |
do i = 1, nGroup-1 |
634 |
|
JBEG = POINT(i) |
635 |
|
JEND = POINT(i+1) - 1 |
636 |
< |
! check thiat molecule i has neighbors |
636 |
> |
! check that group i has neighbors |
637 |
|
if (jbeg .le. jend) then |
638 |
|
|
639 |
|
do jnab = jbeg, jend |
640 |
|
j = list(jnab) |
641 |
|
|
642 |
< |
call get_interatomic_vector(q(:,i), q(:,j), d, rijsq) |
643 |
< |
if (SIM_uses_molecular_cutoffs) then |
644 |
< |
call get_interatomic_vector(qcom(:,i), qcom(:,j), & |
645 |
< |
dc, rcijsq) |
646 |
< |
else |
647 |
< |
dc(1:3) = d(1:3) |
648 |
< |
rcijsq = rijsq |
649 |
< |
endif |
650 |
< |
|
651 |
< |
call do_prepair(i, j, rijsq, d, rcijsq, dc, & |
652 |
< |
do_pot, do_stress, u_l, A, f, t, pot) |
653 |
< |
|
642 |
> |
do ia = groupStart(i), groupStart(i+1)-1 |
643 |
> |
atom1 = groupList(ia) |
644 |
> |
|
645 |
> |
do jb = groupStart(j), groupStart(j+1)-1 |
646 |
> |
atom2 = groupList(jb) |
647 |
> |
|
648 |
> |
call get_interatomic_vector(q(:,atom1), & |
649 |
> |
q(:,atom2), d_atm, ratmsq) |
650 |
> |
|
651 |
> |
call do_prepair(atom1, atom2, ratmsq, d_atm, & |
652 |
> |
rgrpsq, d_grp, do_pot, do_stress, & |
653 |
> |
u_l, A, f, t, pot) |
654 |
> |
|
655 |
> |
enddo |
656 |
> |
enddo |
657 |
|
enddo |
658 |
|
endif |
659 |
|
enddo |
660 |
|
endif |
661 |
+ |
|
662 |
|
#endif |
663 |
+ |
|
664 |
|
!! Do rest of preforce calculations |
665 |
|
!! do necessary preforce calculations |
666 |
|
call do_preforce(nlocal,pot) |
668 |
|
update_nlist = .false. |
669 |
|
else |
670 |
|
!! See if we need to update neighbor lists for non pre-pair |
671 |
< |
call checkNeighborList(nlocal, q, listSkin, update_nlist) |
671 |
> |
call checkNeighborList(nGroup, q_group, listSkin, update_nlist) |
672 |
|
endif |
673 |
|
|
674 |
|
!---------------------------------MAIN Pair LOOP->>>>>>>>>>>>> |
676 |
|
#ifdef IS_MPI |
677 |
|
|
678 |
|
if (update_nlist) then |
679 |
+ |
|
680 |
|
!! save current configuration, construct neighbor list, |
681 |
|
!! and calculate forces |
678 |
– |
call saveNeighborList(nlocal, q) |
682 |
|
|
683 |
+ |
call saveNeighborList(nGroup, q_group) |
684 |
+ |
|
685 |
|
neighborListSize = size(list) |
686 |
|
nlist = 0 |
687 |
|
|
688 |
< |
do i = 1, nrow |
684 |
< |
|
688 |
> |
do i = 1, nrow_group |
689 |
|
point(i) = nlist + 1 |
690 |
|
|
691 |
< |
inner: do j = 1, ncol |
691 |
> |
do j = 1, ncol_group |
692 |
|
|
693 |
< |
if (skipThisPair(i,j)) cycle inner |
693 |
> |
call get_interatomic_vector(q_group_Row(:,i), & |
694 |
> |
q_group_Col(:,j), d_grp, rgrpsq) |
695 |
|
|
696 |
< |
if (SIM_uses_molecular_cutoffs) then |
692 |
< |
call get_interatomic_vector(qcom_Row(:,i), qcom_Col(:,j), & |
693 |
< |
dc, rcijsq) |
694 |
< |
else |
695 |
< |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), & |
696 |
< |
dc, rcijsq) |
697 |
< |
endif |
698 |
< |
|
699 |
< |
if (rcijsq < rlistsq) then |
700 |
< |
|
696 |
> |
if (rgrpsq < rlistsq) then |
697 |
|
nlist = nlist + 1 |
698 |
|
|
699 |
|
if (nlist > neighborListSize) then |
700 |
< |
call expandNeighborList(nlocal, listerror) |
700 |
> |
call expandNeighborList(nGroup, listerror) |
701 |
|
if (listerror /= 0) then |
702 |
|
error = -1 |
703 |
|
write(DEFAULT_ERROR,*) "ERROR: nlist > list size and max allocations exceeded." |
708 |
|
|
709 |
|
list(nlist) = j |
710 |
|
|
711 |
< |
if (SIM_uses_molecular_cutoffs) then |
712 |
< |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), & |
713 |
< |
d, rijsq) |
718 |
< |
else |
719 |
< |
d(1:3) = dc(1:3) |
720 |
< |
rijsq = rcijsq |
721 |
< |
endif |
711 |
> |
vab = 0.0d0 |
712 |
> |
call get_switch(rgrpsq, sw, dswdr, rgrp, group_switch, & |
713 |
> |
in_switching_region) |
714 |
|
|
715 |
< |
call do_pair(i, j, rijsq, d, rcijsq, dc, mfact, & |
716 |
< |
do_pot, do_stress, u_l, A, f, t, pot_local) |
717 |
< |
|
718 |
< |
endif |
719 |
< |
enddo inner |
715 |
> |
do ia = groupStart(i), groupStart(i+1)-1 |
716 |
> |
atom1 = groupList(ia) |
717 |
> |
|
718 |
> |
inner: do jb = groupStart(j), groupStart(j+1)-1 |
719 |
> |
atom2 = groupList(jb) |
720 |
> |
|
721 |
> |
if (skipThisPair(atom1, atom2)) cycle inner |
722 |
> |
|
723 |
> |
call get_interatomic_vector(q_Row(:,atom1), & |
724 |
> |
q_Col(:,atom2), d_atm, ratmsq) |
725 |
> |
|
726 |
> |
call do_pair(atom1, atom2, ratmsq, d_atm, sw, & |
727 |
> |
do_pot, do_stress, & |
728 |
> |
u_l, A, f, t, pot_local, vpair) |
729 |
> |
|
730 |
> |
vab = vab + vpair |
731 |
> |
enddo inner |
732 |
> |
enddo |
733 |
> |
|
734 |
> |
if (in_switching_region) then |
735 |
> |
swderiv = vab*dswdr/rgrp |
736 |
> |
|
737 |
> |
do ia=groupStart(i), groupStart(i+1)-1 |
738 |
> |
atom1=groupList(ia) |
739 |
> |
mf = mfact(atom1) |
740 |
> |
f_Row(1,atom1) = f_Row(1,atom1) - swderiv*d_grp(1)*mf |
741 |
> |
f_Row(2,atom1) = f_Row(2,atom1) - swderiv*d_grp(2)*mf |
742 |
> |
f_Row(3,atom1) = f_Row(3,atom1) - swderiv*d_grp(3)*mf |
743 |
> |
enddo |
744 |
> |
|
745 |
> |
do jb=groupStart(j), groupStart(j+1)-1 |
746 |
> |
atom2=groupList(jb) |
747 |
> |
mf = mfact(atom2) |
748 |
> |
f_Col(1,atom2) = f_Col(1,atom2) + swderiv*d_grp(1)*mf |
749 |
> |
f_Col(2,atom2) = f_Col(2,atom2) + swderiv*d_grp(2)*mf |
750 |
> |
f_Col(3,atom2) = f_Col(3,atom2) + swderiv*d_grp(3)*mf |
751 |
> |
enddo |
752 |
> |
endif |
753 |
> |
|
754 |
> |
end if |
755 |
> |
enddo |
756 |
|
enddo |
757 |
+ |
point(nrow_group + 1) = nlist + 1 |
758 |
|
|
730 |
– |
point(nrow + 1) = nlist + 1 |
731 |
– |
|
759 |
|
else !! (of update_check) |
760 |
|
|
761 |
|
! use the list to find the neighbors |
762 |
< |
do i = 1, nrow |
762 |
> |
do i = 1, nrow_group |
763 |
|
JBEG = POINT(i) |
764 |
|
JEND = POINT(i+1) - 1 |
765 |
< |
! check thiat molecule i has neighbors |
765 |
> |
! check that group i has neighbors |
766 |
|
if (jbeg .le. jend) then |
767 |
|
|
768 |
|
do jnab = jbeg, jend |
769 |
|
j = list(jnab) |
770 |
+ |
|
771 |
+ |
call get_interatomic_vector(q_group_Row(:,i), & |
772 |
+ |
q_group_Col(:,j), d_grp, rgrpsq) |
773 |
|
|
774 |
< |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), d, rijsq) |
775 |
< |
if (SIM_uses_molecular_cutoffs) then |
776 |
< |
call get_interatomic_vector(qcom_Row(:,i), qcom_Col(:,j), & |
747 |
< |
dc, rcijsq) |
748 |
< |
else |
749 |
< |
dc(1:3) = d(1:3) |
750 |
< |
rcijsq = rijsq |
751 |
< |
endif |
774 |
> |
vab = 0.0d0 |
775 |
> |
call get_switch(rgrpsq, sw, dswdr, rgrp, group_switch, & |
776 |
> |
in_switching_region) |
777 |
|
|
778 |
< |
call do_pair(i, j, rijsq, d, rcijsq, dc, mfact, & |
779 |
< |
do_pot, do_stress, u_l, A, f, t, pot_local) |
778 |
> |
do ia = groupStart(i), groupStart(i+1)-1 |
779 |
> |
atom1 = groupList(ia) |
780 |
> |
|
781 |
> |
do jb = groupStart(j), groupStart(j+1)-1 |
782 |
> |
atom2 = groupList(jb) |
783 |
> |
|
784 |
> |
call get_interatomic_vector(q_Row(:,atom1), & |
785 |
> |
q_Col(:,atom2), d_atm, ratmsq) |
786 |
> |
|
787 |
> |
call do_pair(atom1, atom2, ratmsq, d_atm, sw, & |
788 |
> |
do_pot, do_stress, & |
789 |
> |
u_l, A, f, t, pot_local, vpair) |
790 |
> |
|
791 |
> |
vab = vab + vpair |
792 |
> |
|
793 |
> |
enddo |
794 |
> |
enddo |
795 |
|
|
796 |
+ |
if (in_switching_region) then |
797 |
+ |
swderiv = vab*dswdr/rgrp |
798 |
+ |
|
799 |
+ |
do ia=groupStart(i), groupStart(i+1)-1 |
800 |
+ |
atom1=groupList(ia) |
801 |
+ |
mf = mfact(atom1) |
802 |
+ |
f_Row(1,atom1) = f_Row(1,atom1) - swderiv*d_grp(1)*mf |
803 |
+ |
f_Row(2,atom1) = f_Row(2,atom1) - swderiv*d_grp(2)*mf |
804 |
+ |
f_Row(3,atom1) = f_Row(3,atom1) - swderiv*d_grp(3)*mf |
805 |
+ |
enddo |
806 |
+ |
|
807 |
+ |
do jb=groupStart(j), groupStart(j+1)-1 |
808 |
+ |
atom2=groupList(jb) |
809 |
+ |
mf = mfact(atom2) |
810 |
+ |
f_Col(1,atom2) = f_Col(1,atom2) + swderiv*d_grp(1)*mf |
811 |
+ |
f_Col(2,atom2) = f_Col(2,atom2) + swderiv*d_grp(2)*mf |
812 |
+ |
f_Col(3,atom2) = f_Col(3,atom2) + swderiv*d_grp(3)*mf |
813 |
+ |
enddo |
814 |
+ |
endif |
815 |
+ |
|
816 |
|
enddo |
817 |
|
endif |
818 |
|
enddo |
819 |
|
endif |
820 |
|
|
821 |
|
#else |
822 |
< |
|
822 |
> |
|
823 |
|
if (update_nlist) then |
824 |
|
|
825 |
< |
! save current configuration, contruct neighbor list, |
826 |
< |
! and calculate forces |
767 |
< |
call saveNeighborList(natoms, q) |
825 |
> |
!! save current configuration, construct neighbor list, |
826 |
> |
!! and calculate forces |
827 |
|
|
828 |
+ |
call saveNeighborList(nGroup, q_group) |
829 |
+ |
|
830 |
|
neighborListSize = size(list) |
831 |
+ |
nlist = 0 |
832 |
|
|
833 |
< |
nlist = 0 |
772 |
< |
|
773 |
< |
do i = 1, natoms-1 |
833 |
> |
do i = 1, nGroup-1 |
834 |
|
point(i) = nlist + 1 |
835 |
|
|
836 |
< |
inner: do j = i+1, natoms |
836 |
> |
do j = i+1, nGroup |
837 |
|
|
838 |
< |
if (skipThisPair(i,j)) cycle inner |
838 |
> |
call get_interatomic_vector(q_group(:,i), & |
839 |
> |
q_group(:,j), d_grp, rgrpsq) |
840 |
|
|
841 |
< |
if (SIM_uses_molecular_cutoffs) then |
781 |
< |
call get_interatomic_vector(qcom(:,i), qcom(:,j), & |
782 |
< |
dc, rcijsq) |
783 |
< |
else |
784 |
< |
call get_interatomic_vector(q(:,i), q(:,j), & |
785 |
< |
dc, rcijsq) |
786 |
< |
endif |
787 |
< |
|
788 |
< |
if (rcijsq < rlistsq) then |
789 |
< |
|
841 |
> |
if (rgrpsq < rlistsq) then |
842 |
|
nlist = nlist + 1 |
843 |
|
|
844 |
|
if (nlist > neighborListSize) then |
845 |
< |
call expandNeighborList(natoms, listerror) |
845 |
> |
call expandNeighborList(nGroup, listerror) |
846 |
|
if (listerror /= 0) then |
847 |
|
error = -1 |
848 |
|
write(DEFAULT_ERROR,*) "ERROR: nlist > list size and max allocations exceeded." |
852 |
|
endif |
853 |
|
|
854 |
|
list(nlist) = j |
855 |
+ |
|
856 |
+ |
vab = 0.0d0 |
857 |
+ |
call get_switch(rgrpsq, sw, dswdr, rgrp, group_switch, & |
858 |
+ |
in_switching_region) |
859 |
|
|
860 |
< |
if (SIM_uses_molecular_cutoffs) then |
861 |
< |
call get_interatomic_vector(q(:,i), q(:,j), & |
862 |
< |
d, rijsq) |
863 |
< |
else |
864 |
< |
d(1:3) = dc(1:3) |
865 |
< |
rijsq = rcijsq |
860 |
> |
do ia = groupStart(i), groupStart(i+1)-1 |
861 |
> |
atom1 = groupList(ia) |
862 |
> |
|
863 |
> |
inner: do jb = groupStart(j), groupStart(j+1)-1 |
864 |
> |
atom2 = groupList(jb) |
865 |
> |
|
866 |
> |
if (skipThisPair(atom1, atom2)) cycle inner |
867 |
> |
|
868 |
> |
call get_interatomic_vector(q(:,atom1), & |
869 |
> |
q(:,atom2), d_atm, ratmsq) |
870 |
> |
|
871 |
> |
call do_pair(atom1, atom2, ratmsq, d_atm, sw, & |
872 |
> |
do_pot, do_stress, & |
873 |
> |
u_l, A, f, t, pot, vpair) |
874 |
> |
|
875 |
> |
vab = vab + vpair |
876 |
> |
|
877 |
> |
enddo inner |
878 |
> |
enddo |
879 |
> |
|
880 |
> |
if (in_switching_region) then |
881 |
> |
swderiv = vab*dswdr/rgrp |
882 |
> |
do ia=groupStart(i), groupStart(i+1)-1 |
883 |
> |
atom1=groupList(ia) |
884 |
> |
mf = mfact(atom1) |
885 |
> |
f(1,atom1) = f(1,atom1) - swderiv*d_grp(1)*mf |
886 |
> |
f(2,atom1) = f(2,atom1) - swderiv*d_grp(2)*mf |
887 |
> |
f(3,atom1) = f(3,atom1) - swderiv*d_grp(3)*mf |
888 |
> |
enddo |
889 |
> |
|
890 |
> |
do jb=groupStart(j), groupStart(j+1)-1 |
891 |
> |
atom2=groupList(jb) |
892 |
> |
mf = mfact(atom2) |
893 |
> |
f(1,atom2) = f(1,atom2) + swderiv*d_grp(1)*mf |
894 |
> |
f(2,atom2) = f(2,atom2) + swderiv*d_grp(2)*mf |
895 |
> |
f(3,atom2) = f(3,atom2) + swderiv*d_grp(3)*mf |
896 |
> |
enddo |
897 |
|
endif |
898 |
< |
|
899 |
< |
call do_pair(i, j, rijsq, d, rcijsq, dc, mfact, & |
900 |
< |
do_pot, do_stress, u_l, A, f, t, pot) |
814 |
< |
|
815 |
< |
endif |
816 |
< |
enddo inner |
898 |
> |
|
899 |
> |
end if |
900 |
> |
enddo |
901 |
|
enddo |
902 |
+ |
point(nGroup) = nlist + 1 |
903 |
|
|
904 |
< |
point(natoms) = nlist + 1 |
904 |
> |
else !! (of update_check) |
905 |
|
|
821 |
– |
else !! (update) |
822 |
– |
|
906 |
|
! use the list to find the neighbors |
907 |
< |
do i = 1, natoms-1 |
907 |
> |
do i = 1, nGroup-1 |
908 |
|
JBEG = POINT(i) |
909 |
|
JEND = POINT(i+1) - 1 |
910 |
< |
! check thiat molecule i has neighbors |
910 |
> |
! check that group i has neighbors |
911 |
|
if (jbeg .le. jend) then |
912 |
|
|
913 |
|
do jnab = jbeg, jend |
914 |
|
j = list(jnab) |
915 |
|
|
916 |
+ |
call get_interatomic_vector(q_group(:,i), & |
917 |
+ |
q_group(:,j), d_grp, rgrpsq) |
918 |
|
|
919 |
< |
call get_interatomic_vector(q(:,i), q(:,j), d, rijsq) |
920 |
< |
if (SIM_uses_molecular_cutoffs) then |
921 |
< |
call get_interatomic_vector(qcom(:,i), qcom(:,j), & |
922 |
< |
dc, rcijsq) |
923 |
< |
else |
924 |
< |
dc(1:3) = d(1:3) |
925 |
< |
rcijsq = rijsq |
926 |
< |
endif |
927 |
< |
|
928 |
< |
call do_pair(i, j, rijsq, d, rcijsq, dc, mfact, & |
929 |
< |
do_pot, do_stress, u_l, A, f, t, pot) |
919 |
> |
vab = 0.0d0 |
920 |
> |
call get_switch(rgrpsq, sw, dswdr, rgrp, group_switch, & |
921 |
> |
in_switching_region) |
922 |
> |
|
923 |
> |
do ia = groupStart(i), groupStart(i+1)-1 |
924 |
> |
atom1 = groupList(ia) |
925 |
> |
|
926 |
> |
do jb = groupStart(j), groupStart(j+1)-1 |
927 |
> |
atom2 = groupList(jb) |
928 |
> |
|
929 |
> |
call get_interatomic_vector(q(:,atom1), & |
930 |
> |
q(:,atom2), d_atm, ratmsq) |
931 |
> |
|
932 |
> |
call do_pair(atom1, atom2, ratmsq, d_atm, sw, & |
933 |
> |
do_pot, do_stress, & |
934 |
> |
u_l, A, f, t, pot, vpair) |
935 |
> |
|
936 |
> |
vab = vab + vpair |
937 |
> |
|
938 |
> |
enddo |
939 |
> |
enddo |
940 |
|
|
941 |
+ |
if (in_switching_region) then |
942 |
+ |
swderiv = vab*dswdr/rgrp |
943 |
+ |
|
944 |
+ |
do ia=groupStart(i), groupStart(i+1)-1 |
945 |
+ |
atom1=groupList(ia) |
946 |
+ |
mf = mfact(atom1) |
947 |
+ |
f(1,atom1) = f(1,atom1) - swderiv*d_grp(1)*mf |
948 |
+ |
f(2,atom1) = f(2,atom1) - swderiv*d_grp(2)*mf |
949 |
+ |
f(3,atom1) = f(3,atom1) - swderiv*d_grp(3)*mf |
950 |
+ |
enddo |
951 |
+ |
|
952 |
+ |
do jb=groupStart(j), groupStart(j+1)-1 |
953 |
+ |
atom2=groupList(jb) |
954 |
+ |
mf = mfact(atom2) |
955 |
+ |
f(1,atom2) = f(1,atom2) + swderiv*d_grp(1)*mf |
956 |
+ |
f(2,atom2) = f(2,atom2) + swderiv*d_grp(2)*mf |
957 |
+ |
f(3,atom2) = f(3,atom2) + swderiv*d_grp(3)*mf |
958 |
+ |
enddo |
959 |
+ |
endif |
960 |
|
enddo |
961 |
|
endif |
962 |
|
enddo |
963 |
|
endif |
964 |
< |
|
964 |
> |
|
965 |
|
#endif |
966 |
|
|
967 |
|
! phew, done with main loop. |
970 |
|
#ifdef PROFILE |
971 |
|
call cpu_time(forceTimeFinal) |
972 |
|
forceTime = forceTime + forceTimeFinal - forceTimeInitial |
973 |
< |
#endif |
973 |
> |
#endif |
974 |
|
|
861 |
– |
|
975 |
|
#ifdef IS_MPI |
976 |
|
!!distribute forces |
977 |
|
|
1017 |
|
do i = 1, nlocal |
1018 |
|
pot_local = pot_local + pot_Temp(i) |
1019 |
|
enddo |
1020 |
< |
|
1020 |
> |
|
1021 |
|
endif |
1022 |
|
#endif |
1023 |
|
|
1090 |
|
|
1091 |
|
|
1092 |
|
end subroutine do_force_loop |
1093 |
+ |
|
1094 |
|
|
1095 |
< |
subroutine do_pair(i, j, rijsq, d, rcijsq, dc, mfact, do_pot, do_stress, & |
1096 |
< |
u_l, A, f, t, pot) |
1095 |
> |
subroutine do_pair(i, j, rijsq, d, sw, do_pot, do_stress, & |
1096 |
> |
u_l, A, f, t, pot, vpair) |
1097 |
|
|
1098 |
< |
real( kind = dp ) :: pot |
1098 |
> |
real( kind = dp ) :: pot, vpair, sw |
1099 |
|
real( kind = dp ), dimension(nLocal) :: mfact |
1100 |
|
real( kind = dp ), dimension(3,nLocal) :: u_l |
1101 |
|
real( kind = dp ), dimension(9,nLocal) :: A |
1104 |
|
|
1105 |
|
logical, intent(inout) :: do_pot, do_stress |
1106 |
|
integer, intent(in) :: i, j |
1107 |
< |
real ( kind = dp ), intent(inout) :: rijsq, rcijsq |
1108 |
< |
real ( kind = dp ) :: r, rc |
1109 |
< |
real ( kind = dp ), intent(inout) :: d(3), dc(3) |
1107 |
> |
real ( kind = dp ), intent(inout) :: rijsq |
1108 |
> |
real ( kind = dp ) :: r |
1109 |
> |
real ( kind = dp ), intent(inout) :: d(3) |
1110 |
|
integer :: me_i, me_j |
1111 |
|
|
1112 |
|
r = sqrt(rijsq) |
999 |
– |
if (SIM_uses_molecular_cutoffs) then |
1000 |
– |
rc = sqrt(rcijsq) |
1001 |
– |
else |
1002 |
– |
rc = r |
1003 |
– |
endif |
1113 |
|
|
1005 |
– |
|
1114 |
|
#ifdef IS_MPI |
1115 |
|
if (tagRow(i) .eq. tagColumn(j)) then |
1116 |
|
write(0,*) 'do_pair is doing', i , j, tagRow(i), tagColumn(j) |
1125 |
|
if (FF_uses_LJ .and. SIM_uses_LJ) then |
1126 |
|
|
1127 |
|
if ( PropertyMap(me_i)%is_LJ .and. PropertyMap(me_j)%is_LJ ) then |
1128 |
< |
call do_lj_pair(i, j, d, r, rijsq, pot, f, do_pot, do_stress) |
1128 |
> |
call do_lj_pair(i, j, d, r, rijsq, sw, vpair, pot, f, do_pot, & |
1129 |
> |
do_stress) |
1130 |
|
endif |
1131 |
|
|
1132 |
|
endif |
1134 |
|
if (FF_uses_charges .and. SIM_uses_charges) then |
1135 |
|
|
1136 |
|
if (PropertyMap(me_i)%is_Charge .and. PropertyMap(me_j)%is_Charge) then |
1137 |
< |
call do_charge_pair(i, j, d, r, rijsq, dc, rc, rcijsq, mfact, & |
1138 |
< |
pot, f, do_pot, do_stress, SIM_uses_molecular_cutoffs) |
1137 |
> |
call do_charge_pair(i, j, d, r, rijsq, sw, vpair, pot, f, do_pot, & |
1138 |
> |
do_stress) |
1139 |
|
endif |
1140 |
|
|
1141 |
|
endif |
1143 |
|
if (FF_uses_dipoles .and. SIM_uses_dipoles) then |
1144 |
|
|
1145 |
|
if ( PropertyMap(me_i)%is_DP .and. PropertyMap(me_j)%is_DP) then |
1146 |
< |
call do_dipole_pair(i, j, d, r, rijsq, pot, u_l, f, t, & |
1146 |
> |
call do_dipole_pair(i, j, d, r, rijsq, sw, vpair, pot, u_l, f, t, & |
1147 |
|
do_pot, do_stress) |
1148 |
|
if (FF_uses_RF .and. SIM_uses_RF) then |
1149 |
|
call accumulate_rf(i, j, r, u_l) |
1156 |
|
if (FF_uses_Sticky .and. SIM_uses_sticky) then |
1157 |
|
|
1158 |
|
if ( PropertyMap(me_i)%is_Sticky .and. PropertyMap(me_j)%is_Sticky) then |
1159 |
< |
call do_sticky_pair(i, j, d, r, rijsq, A, pot, f, t, & |
1159 |
> |
call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, pot, A, f, t, & |
1160 |
|
do_pot, do_stress) |
1161 |
|
endif |
1162 |
|
|
1166 |
|
if (FF_uses_GB .and. SIM_uses_GB) then |
1167 |
|
|
1168 |
|
if ( PropertyMap(me_i)%is_GB .and. PropertyMap(me_j)%is_GB) then |
1169 |
< |
call do_gb_pair(i, j, d, r, rijsq, u_l, pot, f, t, & |
1169 |
> |
call do_gb_pair(i, j, d, r, rijsq, sw, vpair, pot, u_l, f, t, & |
1170 |
|
do_pot, do_stress) |
1171 |
|
endif |
1172 |
|
|
1175 |
|
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1176 |
|
|
1177 |
|
if ( PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) then |
1178 |
< |
call do_eam_pair(i, j, d, r, rijsq, pot, f, do_pot, do_stress) |
1178 |
> |
call do_eam_pair(i, j, d, r, rijsq, sw, vpair, pot, f, & |
1179 |
> |
do_pot, do_stress) |
1180 |
|
endif |
1181 |
|
|
1182 |
|
endif |
1183 |
< |
|
1183 |
> |
|
1184 |
|
end subroutine do_pair |
1075 |
– |
|
1076 |
– |
|
1185 |
|
|
1186 |
|
subroutine do_prepair(i, j, rijsq, d, rcijsq, dc, & |
1187 |
|
do_pot, do_stress, u_l, A, f, t, pot) |
1307 |
|
q_Row = 0.0_dp |
1308 |
|
q_Col = 0.0_dp |
1309 |
|
|
1310 |
< |
qcom_Row = 0.0_dp |
1311 |
< |
qcom_Col = 0.0_dp |
1310 |
> |
q_group_Row = 0.0_dp |
1311 |
> |
q_group_Col = 0.0_dp |
1312 |
|
|
1313 |
|
u_l_Row = 0.0_dp |
1314 |
|
u_l_Col = 0.0_dp |