45 |
|
|
46 |
|
!! @author Charles F. Vardeman II |
47 |
|
!! @author Matthew Meineke |
48 |
< |
!! @version $Id: doForces.F90,v 1.30 2005-08-17 15:26:37 gezelter Exp $, $Date: 2005-08-17 15:26:37 $, $Name: not supported by cvs2svn $, $Revision: 1.30 $ |
48 |
> |
!! @version $Id: doForces.F90,v 1.58 2005-10-14 15:44:37 kdaily Exp $, $Date: 2005-10-14 15:44:37 $, $Name: not supported by cvs2svn $, $Revision: 1.58 $ |
49 |
|
|
50 |
|
|
51 |
|
module doForces |
58 |
|
use lj |
59 |
|
use sticky |
60 |
|
use electrostatic_module |
61 |
< |
use reaction_field |
61 |
> |
use reaction_field_module |
62 |
|
use gb_pair |
63 |
|
use shapes |
64 |
|
use vector_class |
75 |
|
#include "UseTheForce/fSwitchingFunction.h" |
76 |
|
#include "UseTheForce/fCutoffPolicy.h" |
77 |
|
#include "UseTheForce/DarkSide/fInteractionMap.h" |
78 |
+ |
#include "UseTheForce/DarkSide/fElectrostaticSummationMethod.h" |
79 |
|
|
80 |
|
|
81 |
|
INTEGER, PARAMETER:: PREPAIR_LOOP = 1 |
86 |
|
logical, save :: haveSaneForceField = .false. |
87 |
|
logical, save :: haveInteractionHash = .false. |
88 |
|
logical, save :: haveGtypeCutoffMap = .false. |
89 |
+ |
logical, save :: haveDefaultCutoffs = .false. |
90 |
+ |
logical, save :: haveRlist = .false. |
91 |
|
|
92 |
|
logical, save :: FF_uses_DirectionalAtoms |
93 |
|
logical, save :: FF_uses_Dipoles |
94 |
|
logical, save :: FF_uses_GayBerne |
95 |
|
logical, save :: FF_uses_EAM |
93 |
– |
logical, save :: FF_uses_RF |
96 |
|
|
97 |
|
logical, save :: SIM_uses_DirectionalAtoms |
98 |
|
logical, save :: SIM_uses_EAM |
97 |
– |
logical, save :: SIM_uses_RF |
99 |
|
logical, save :: SIM_requires_postpair_calc |
100 |
|
logical, save :: SIM_requires_prepair_calc |
101 |
|
logical, save :: SIM_uses_PBC |
102 |
|
|
103 |
+ |
integer, save :: electrostaticSummationMethod |
104 |
+ |
|
105 |
|
public :: init_FF |
106 |
|
public :: setDefaultCutoffs |
107 |
|
public :: do_force_loop |
108 |
|
public :: createInteractionHash |
109 |
|
public :: createGtypeCutoffMap |
110 |
+ |
public :: getStickyCut |
111 |
+ |
public :: getStickyPowerCut |
112 |
+ |
public :: getGayBerneCut |
113 |
+ |
public :: getEAMCut |
114 |
+ |
public :: getShapeCut |
115 |
|
|
116 |
|
#ifdef PROFILE |
117 |
|
public :: getforcetime |
124 |
|
! Bit hash to determine pair-pair interactions. |
125 |
|
integer, dimension(:,:), allocatable :: InteractionHash |
126 |
|
real(kind=dp), dimension(:), allocatable :: atypeMaxCutoff |
127 |
< |
real(kind=dp), dimension(:), allocatable :: groupMaxCutoff |
128 |
< |
integer, dimension(:), allocatable :: groupToGtype |
129 |
< |
real(kind=dp), dimension(:), allocatable :: gtypeMaxCutoff |
127 |
> |
real(kind=dp), dimension(:), allocatable, target :: groupMaxCutoffRow |
128 |
> |
real(kind=dp), dimension(:), pointer :: groupMaxCutoffCol |
129 |
> |
|
130 |
> |
integer, dimension(:), allocatable, target :: groupToGtypeRow |
131 |
> |
integer, dimension(:), pointer :: groupToGtypeCol => null() |
132 |
> |
|
133 |
> |
real(kind=dp), dimension(:), allocatable,target :: gtypeMaxCutoffRow |
134 |
> |
real(kind=dp), dimension(:), pointer :: gtypeMaxCutoffCol |
135 |
|
type ::gtypeCutoffs |
136 |
|
real(kind=dp) :: rcut |
137 |
|
real(kind=dp) :: rcutsq |
141 |
|
|
142 |
|
integer, save :: cutoffPolicy = TRADITIONAL_CUTOFF_POLICY |
143 |
|
real(kind=dp),save :: defaultRcut, defaultRsw, defaultRlist |
144 |
+ |
real(kind=dp),save :: listSkin |
145 |
|
|
146 |
|
contains |
147 |
|
|
166 |
|
logical :: j_is_GB |
167 |
|
logical :: j_is_EAM |
168 |
|
logical :: j_is_Shape |
169 |
< |
|
169 |
> |
real(kind=dp) :: myRcut |
170 |
> |
|
171 |
|
status = 0 |
172 |
|
|
173 |
|
if (.not. associated(atypes)) then |
185 |
|
|
186 |
|
if (.not. allocated(InteractionHash)) then |
187 |
|
allocate(InteractionHash(nAtypes,nAtypes)) |
188 |
+ |
else |
189 |
+ |
deallocate(InteractionHash) |
190 |
+ |
allocate(InteractionHash(nAtypes,nAtypes)) |
191 |
|
endif |
192 |
|
|
193 |
|
if (.not. allocated(atypeMaxCutoff)) then |
194 |
|
allocate(atypeMaxCutoff(nAtypes)) |
195 |
+ |
else |
196 |
+ |
deallocate(atypeMaxCutoff) |
197 |
+ |
allocate(atypeMaxCutoff(nAtypes)) |
198 |
|
endif |
199 |
|
|
200 |
|
do i = 1, nAtypes |
258 |
|
haveInteractionHash = .true. |
259 |
|
end subroutine createInteractionHash |
260 |
|
|
261 |
< |
subroutine createGtypeCutoffMap() |
261 |
> |
subroutine createGtypeCutoffMap(stat) |
262 |
|
|
263 |
+ |
integer, intent(out), optional :: stat |
264 |
|
logical :: i_is_LJ |
265 |
|
logical :: i_is_Elect |
266 |
|
logical :: i_is_Sticky |
268 |
|
logical :: i_is_GB |
269 |
|
logical :: i_is_EAM |
270 |
|
logical :: i_is_Shape |
271 |
+ |
logical :: GtypeFound |
272 |
|
|
273 |
< |
integer :: myStatus, nAtypes |
274 |
< |
real(kind=dp):: thisSigma, bigSigma |
273 |
> |
integer :: myStatus, nAtypes, i, j, istart, iend, jstart, jend |
274 |
> |
integer :: n_in_i, me_i, ia, g, atom1, ja, n_in_j,me_j |
275 |
> |
integer :: nGroupsInRow |
276 |
> |
integer :: nGroupsInCol |
277 |
> |
integer :: nGroupTypesRow,nGroupTypesCol |
278 |
> |
real(kind=dp):: thisSigma, bigSigma, thisRcut, tradRcut, tol, skin |
279 |
> |
real(kind=dp) :: biggestAtypeCutoff |
280 |
|
|
281 |
|
stat = 0 |
282 |
|
if (.not. haveInteractionHash) then |
287 |
|
return |
288 |
|
endif |
289 |
|
endif |
290 |
< |
|
290 |
> |
#ifdef IS_MPI |
291 |
> |
nGroupsInRow = getNgroupsInRow(plan_group_row) |
292 |
> |
nGroupsInCol = getNgroupsInCol(plan_group_col) |
293 |
> |
#endif |
294 |
|
nAtypes = getSize(atypes) |
295 |
< |
|
295 |
> |
! Set all of the initial cutoffs to zero. |
296 |
> |
atypeMaxCutoff = 0.0_dp |
297 |
|
do i = 1, nAtypes |
298 |
< |
if (SimHasAtype(i)) then |
298 |
> |
if (SimHasAtype(i)) then |
299 |
|
call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ) |
300 |
|
call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect) |
301 |
|
call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky) |
304 |
|
call getElementProperty(atypes, i, "is_EAM", i_is_EAM) |
305 |
|
call getElementProperty(atypes, i, "is_Shape", i_is_Shape) |
306 |
|
|
307 |
< |
if (i_is_LJ) then |
308 |
< |
thisRcut = getSigma(i) * 2.5_dp |
309 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
310 |
< |
endif |
311 |
< |
if (i_is_Elect) then |
312 |
< |
thisRcut = defaultRcut |
313 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
314 |
< |
endif |
315 |
< |
if (i_is_Sticky) then |
316 |
< |
thisRcut = getStickyCut(i) |
317 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
318 |
< |
endif |
319 |
< |
if (i_is_StickyPower) then |
320 |
< |
thisRcut = getStickyPowerCut(i) |
321 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
322 |
< |
endif |
323 |
< |
if (i_is_GayBerne) then |
324 |
< |
thisRcut = getGayBerneCut(i) |
325 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
326 |
< |
endif |
327 |
< |
if (i_is_EAM) then |
328 |
< |
thisRcut = getEAMCut(i) |
329 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
330 |
< |
endif |
331 |
< |
if (i_is_Shape) then |
332 |
< |
thisRcut = getShapeCut(i) |
333 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
307 |
> |
|
308 |
> |
if (haveDefaultCutoffs) then |
309 |
> |
atypeMaxCutoff(i) = defaultRcut |
310 |
> |
else |
311 |
> |
if (i_is_LJ) then |
312 |
> |
thisRcut = getSigma(i) * 2.5_dp |
313 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
314 |
> |
endif |
315 |
> |
if (i_is_Elect) then |
316 |
> |
thisRcut = defaultRcut |
317 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
318 |
> |
endif |
319 |
> |
if (i_is_Sticky) then |
320 |
> |
thisRcut = getStickyCut(i) |
321 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
322 |
> |
endif |
323 |
> |
if (i_is_StickyP) then |
324 |
> |
thisRcut = getStickyPowerCut(i) |
325 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
326 |
> |
endif |
327 |
> |
if (i_is_GB) then |
328 |
> |
thisRcut = getGayBerneCut(i) |
329 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
330 |
> |
endif |
331 |
> |
if (i_is_EAM) then |
332 |
> |
thisRcut = getEAMCut(i) |
333 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
334 |
> |
endif |
335 |
> |
if (i_is_Shape) then |
336 |
> |
thisRcut = getShapeCut(i) |
337 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
338 |
> |
endif |
339 |
|
endif |
340 |
|
|
341 |
+ |
|
342 |
|
if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then |
343 |
|
biggestAtypeCutoff = atypeMaxCutoff(i) |
344 |
|
endif |
345 |
+ |
|
346 |
|
endif |
347 |
|
enddo |
348 |
+ |
|
349 |
|
|
350 |
+ |
|
351 |
|
istart = 1 |
352 |
+ |
jstart = 1 |
353 |
|
#ifdef IS_MPI |
354 |
|
iend = nGroupsInRow |
355 |
+ |
jend = nGroupsInCol |
356 |
|
#else |
357 |
|
iend = nGroups |
358 |
+ |
jend = nGroups |
359 |
|
#endif |
360 |
< |
outer: do i = istart, iend |
360 |
> |
|
361 |
> |
!! allocate the groupToGtype and gtypeMaxCutoff here. |
362 |
> |
if(.not.allocated(groupToGtypeRow)) then |
363 |
> |
! allocate(groupToGtype(iend)) |
364 |
> |
allocate(groupToGtypeRow(iend)) |
365 |
> |
else |
366 |
> |
deallocate(groupToGtypeRow) |
367 |
> |
allocate(groupToGtypeRow(iend)) |
368 |
> |
endif |
369 |
> |
if(.not.allocated(groupMaxCutoffRow)) then |
370 |
> |
allocate(groupMaxCutoffRow(iend)) |
371 |
> |
else |
372 |
> |
deallocate(groupMaxCutoffRow) |
373 |
> |
allocate(groupMaxCutoffRow(iend)) |
374 |
> |
end if |
375 |
|
|
376 |
< |
n_in_i = groupStartRow(i+1) - groupStartRow(i) |
376 |
> |
if(.not.allocated(gtypeMaxCutoffRow)) then |
377 |
> |
allocate(gtypeMaxCutoffRow(iend)) |
378 |
> |
else |
379 |
> |
deallocate(gtypeMaxCutoffRow) |
380 |
> |
allocate(gtypeMaxCutoffRow(iend)) |
381 |
> |
endif |
382 |
|
|
383 |
+ |
|
384 |
|
#ifdef IS_MPI |
385 |
< |
jstart = 1 |
386 |
< |
jend = nGroupsInCol |
387 |
< |
#else |
388 |
< |
jstart = i+1 |
389 |
< |
jend = nGroups |
390 |
< |
#endif |
385 |
> |
! We only allocate new storage if we are in MPI because Ncol /= Nrow |
386 |
> |
if(.not.associated(groupToGtypeCol)) then |
387 |
> |
allocate(groupToGtypeCol(jend)) |
388 |
> |
else |
389 |
> |
deallocate(groupToGtypeCol) |
390 |
> |
allocate(groupToGtypeCol(jend)) |
391 |
> |
end if |
392 |
|
|
393 |
+ |
if(.not.associated(groupToGtypeCol)) then |
394 |
+ |
allocate(groupToGtypeCol(jend)) |
395 |
+ |
else |
396 |
+ |
deallocate(groupToGtypeCol) |
397 |
+ |
allocate(groupToGtypeCol(jend)) |
398 |
+ |
end if |
399 |
+ |
if(.not.associated(gtypeMaxCutoffCol)) then |
400 |
+ |
allocate(gtypeMaxCutoffCol(jend)) |
401 |
+ |
else |
402 |
+ |
deallocate(gtypeMaxCutoffCol) |
403 |
+ |
allocate(gtypeMaxCutoffCol(jend)) |
404 |
+ |
end if |
405 |
|
|
406 |
+ |
groupMaxCutoffCol = 0.0_dp |
407 |
+ |
gtypeMaxCutoffCol = 0.0_dp |
408 |
|
|
409 |
< |
|
409 |
> |
#endif |
410 |
> |
groupMaxCutoffRow = 0.0_dp |
411 |
> |
gtypeMaxCutoffRow = 0.0_dp |
412 |
|
|
413 |
|
|
414 |
+ |
!! first we do a single loop over the cutoff groups to find the |
415 |
+ |
!! largest cutoff for any atypes present in this group. We also |
416 |
+ |
!! create gtypes at this point. |
417 |
+ |
|
418 |
+ |
tol = 1.0d-6 |
419 |
+ |
nGroupTypesRow = 0 |
420 |
|
|
421 |
< |
haveGtypeCutoffMap = .true. |
421 |
> |
do i = istart, iend |
422 |
> |
n_in_i = groupStartRow(i+1) - groupStartRow(i) |
423 |
> |
groupMaxCutoffRow(i) = 0.0_dp |
424 |
> |
do ia = groupStartRow(i), groupStartRow(i+1)-1 |
425 |
> |
atom1 = groupListRow(ia) |
426 |
> |
#ifdef IS_MPI |
427 |
> |
me_i = atid_row(atom1) |
428 |
> |
#else |
429 |
> |
me_i = atid(atom1) |
430 |
> |
#endif |
431 |
> |
if (atypeMaxCutoff(me_i).gt.groupMaxCutoffRow(i)) then |
432 |
> |
groupMaxCutoffRow(i)=atypeMaxCutoff(me_i) |
433 |
> |
endif |
434 |
> |
enddo |
435 |
> |
|
436 |
> |
if (nGroupTypesRow.eq.0) then |
437 |
> |
nGroupTypesRow = nGroupTypesRow + 1 |
438 |
> |
gtypeMaxCutoffRow(nGroupTypesRow) = groupMaxCutoffRow(i) |
439 |
> |
groupToGtypeRow(i) = nGroupTypesRow |
440 |
> |
else |
441 |
> |
GtypeFound = .false. |
442 |
> |
do g = 1, nGroupTypesRow |
443 |
> |
if ( abs(groupMaxCutoffRow(i) - gtypeMaxCutoffRow(g)).lt.tol) then |
444 |
> |
groupToGtypeRow(i) = g |
445 |
> |
GtypeFound = .true. |
446 |
> |
endif |
447 |
> |
enddo |
448 |
> |
if (.not.GtypeFound) then |
449 |
> |
nGroupTypesRow = nGroupTypesRow + 1 |
450 |
> |
gtypeMaxCutoffRow(nGroupTypesRow) = groupMaxCutoffRow(i) |
451 |
> |
groupToGtypeRow(i) = nGroupTypesRow |
452 |
> |
endif |
453 |
> |
endif |
454 |
> |
enddo |
455 |
> |
|
456 |
> |
#ifdef IS_MPI |
457 |
> |
do j = jstart, jend |
458 |
> |
n_in_j = groupStartCol(j+1) - groupStartCol(j) |
459 |
> |
groupMaxCutoffCol(j) = 0.0_dp |
460 |
> |
do ja = groupStartCol(j), groupStartCol(j+1)-1 |
461 |
> |
atom1 = groupListCol(ja) |
462 |
> |
|
463 |
> |
me_j = atid_col(atom1) |
464 |
> |
|
465 |
> |
if (atypeMaxCutoff(me_j).gt.groupMaxCutoffCol(j)) then |
466 |
> |
groupMaxCutoffCol(j)=atypeMaxCutoff(me_j) |
467 |
> |
endif |
468 |
> |
enddo |
469 |
> |
|
470 |
> |
if (nGroupTypesCol.eq.0) then |
471 |
> |
nGroupTypesCol = nGroupTypesCol + 1 |
472 |
> |
gtypeMaxCutoffCol(nGroupTypesCol) = groupMaxCutoffCol(j) |
473 |
> |
groupToGtypeCol(j) = nGroupTypesCol |
474 |
> |
else |
475 |
> |
GtypeFound = .false. |
476 |
> |
do g = 1, nGroupTypesCol |
477 |
> |
if ( abs(groupMaxCutoffCol(j) - gtypeMaxCutoffCol(g)).lt.tol) then |
478 |
> |
groupToGtypeCol(j) = g |
479 |
> |
GtypeFound = .true. |
480 |
> |
endif |
481 |
> |
enddo |
482 |
> |
if (.not.GtypeFound) then |
483 |
> |
nGroupTypesCol = nGroupTypesCol + 1 |
484 |
> |
gtypeMaxCutoffCol(nGroupTypesCol) = groupMaxCutoffCol(j) |
485 |
> |
groupToGtypeCol(j) = nGroupTypesCol |
486 |
> |
endif |
487 |
> |
endif |
488 |
> |
enddo |
489 |
> |
|
490 |
> |
#else |
491 |
> |
! Set pointers to information we just found |
492 |
> |
nGroupTypesCol = nGroupTypesRow |
493 |
> |
groupToGtypeCol => groupToGtypeRow |
494 |
> |
gtypeMaxCutoffCol => gtypeMaxCutoffRow |
495 |
> |
groupMaxCutoffCol => groupMaxCutoffRow |
496 |
> |
#endif |
497 |
> |
|
498 |
> |
|
499 |
> |
|
500 |
> |
|
501 |
> |
|
502 |
> |
!! allocate the gtypeCutoffMap here. |
503 |
> |
allocate(gtypeCutoffMap(nGroupTypesRow,nGroupTypesCol)) |
504 |
> |
!! then we do a double loop over all the group TYPES to find the cutoff |
505 |
> |
!! map between groups of two types |
506 |
> |
tradRcut = max(maxval(gtypeMaxCutoffRow),maxval(gtypeMaxCutoffCol)) |
507 |
> |
|
508 |
> |
do i = 1, nGroupTypesRow |
509 |
> |
do j = 1, nGroupTypesCol |
510 |
> |
|
511 |
> |
select case(cutoffPolicy) |
512 |
> |
case(TRADITIONAL_CUTOFF_POLICY) |
513 |
> |
thisRcut = tradRcut |
514 |
> |
case(MIX_CUTOFF_POLICY) |
515 |
> |
thisRcut = 0.5_dp * (gtypeMaxCutoffRow(i) + gtypeMaxCutoffCol(j)) |
516 |
> |
case(MAX_CUTOFF_POLICY) |
517 |
> |
thisRcut = max(gtypeMaxCutoffRow(i), gtypeMaxCutoffCol(j)) |
518 |
> |
case default |
519 |
> |
call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy") |
520 |
> |
return |
521 |
> |
end select |
522 |
> |
gtypeCutoffMap(i,j)%rcut = thisRcut |
523 |
> |
gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut |
524 |
> |
skin = defaultRlist - defaultRcut |
525 |
> |
listSkin = skin ! set neighbor list skin thickness |
526 |
> |
gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skin)**2 |
527 |
> |
|
528 |
> |
! sanity check |
529 |
> |
|
530 |
> |
if (haveDefaultCutoffs) then |
531 |
> |
if (abs(gtypeCutoffMap(i,j)%rcut - defaultRcut).gt.0.0001) then |
532 |
> |
call handleError("createGtypeCutoffMap", "user-specified rCut does not match computed group Cutoff") |
533 |
> |
endif |
534 |
> |
endif |
535 |
> |
enddo |
536 |
> |
enddo |
537 |
> |
if(allocated(gtypeMaxCutoffRow)) deallocate(gtypeMaxCutoffRow) |
538 |
> |
if(allocated(groupMaxCutoffRow)) deallocate(groupMaxCutoffRow) |
539 |
> |
if(allocated(atypeMaxCutoff)) deallocate(atypeMaxCutoff) |
540 |
> |
#ifdef IS_MPI |
541 |
> |
if(associated(groupMaxCutoffCol)) deallocate(groupMaxCutoffCol) |
542 |
> |
if(associated(gtypeMaxCutoffCol)) deallocate(gtypeMaxCutoffCol) |
543 |
> |
#endif |
544 |
> |
groupMaxCutoffCol => null() |
545 |
> |
gtypeMaxCutoffCol => null() |
546 |
> |
|
547 |
> |
haveGtypeCutoffMap = .true. |
548 |
|
end subroutine createGtypeCutoffMap |
549 |
< |
|
549 |
> |
|
550 |
|
subroutine setDefaultCutoffs(defRcut, defRsw, defRlist, cutPolicy) |
551 |
|
real(kind=dp),intent(in) :: defRcut, defRsw, defRlist |
552 |
|
integer, intent(in) :: cutPolicy |
555 |
|
defaultRsw = defRsw |
556 |
|
defaultRlist = defRlist |
557 |
|
cutoffPolicy = cutPolicy |
558 |
+ |
|
559 |
+ |
haveDefaultCutoffs = .true. |
560 |
|
end subroutine setDefaultCutoffs |
561 |
|
|
562 |
|
subroutine setCutoffPolicy(cutPolicy) |
564 |
|
integer, intent(in) :: cutPolicy |
565 |
|
cutoffPolicy = cutPolicy |
566 |
|
call createGtypeCutoffMap() |
567 |
< |
|
353 |
< |
end subroutine setDefaultCutoffs |
567 |
> |
end subroutine setCutoffPolicy |
568 |
|
|
569 |
|
|
570 |
|
subroutine setSimVariables() |
571 |
|
SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms() |
572 |
|
SIM_uses_EAM = SimUsesEAM() |
359 |
– |
SIM_uses_RF = SimUsesRF() |
573 |
|
SIM_requires_postpair_calc = SimRequiresPostpairCalc() |
574 |
|
SIM_requires_prepair_calc = SimRequiresPrepairCalc() |
575 |
|
SIM_uses_PBC = SimUsesPBC() |
610 |
|
call setSimVariables() |
611 |
|
endif |
612 |
|
|
613 |
< |
if (.not. haveRlist) then |
614 |
< |
write(default_error, *) 'rList has not been set in doForces!' |
615 |
< |
error = -1 |
616 |
< |
return |
617 |
< |
endif |
613 |
> |
! if (.not. haveRlist) then |
614 |
> |
! write(default_error, *) 'rList has not been set in doForces!' |
615 |
> |
! error = -1 |
616 |
> |
! return |
617 |
> |
! endif |
618 |
|
|
619 |
|
if (.not. haveNeighborList) then |
620 |
|
write(default_error, *) 'neighbor list has not been initialized in doForces!' |
639 |
|
end subroutine doReadyCheck |
640 |
|
|
641 |
|
|
642 |
< |
subroutine init_FF(use_RF_c, thisStat) |
642 |
> |
subroutine init_FF(thisESM, thisStat) |
643 |
|
|
644 |
< |
logical, intent(in) :: use_RF_c |
432 |
< |
|
644 |
> |
integer, intent(in) :: thisESM |
645 |
|
integer, intent(out) :: thisStat |
646 |
|
integer :: my_status, nMatches |
647 |
|
integer, pointer :: MatchList(:) => null() |
650 |
|
!! assume things are copacetic, unless they aren't |
651 |
|
thisStat = 0 |
652 |
|
|
653 |
< |
!! Fortran's version of a cast: |
442 |
< |
FF_uses_RF = use_RF_c |
653 |
> |
electrostaticSummationMethod = thisESM |
654 |
|
|
655 |
|
!! init_FF is called *after* all of the atom types have been |
656 |
|
!! defined in atype_module using the new_atype subroutine. |
681 |
|
|
682 |
|
haveSaneForceField = .true. |
683 |
|
|
684 |
< |
!! check to make sure the FF_uses_RF setting makes sense |
684 |
> |
!! check to make sure the reaction field setting makes sense |
685 |
|
|
686 |
|
if (FF_uses_Dipoles) then |
687 |
< |
if (FF_uses_RF) then |
687 |
> |
if (electrostaticSummationMethod == REACTION_FIELD) then |
688 |
|
dielect = getDielect() |
689 |
|
call initialize_rf(dielect) |
690 |
|
endif |
691 |
|
else |
692 |
< |
if (FF_uses_RF) then |
692 |
> |
if (electrostaticSummationMethod == REACTION_FIELD) then |
693 |
|
write(default_error,*) 'Using Reaction Field with no dipoles? Huh?' |
694 |
|
thisStat = -1 |
695 |
|
haveSaneForceField = .false. |
749 |
|
|
750 |
|
!! Stress Tensor |
751 |
|
real( kind = dp), dimension(9) :: tau |
752 |
< |
real ( kind = dp ) :: pot |
752 |
> |
real ( kind = dp ),dimension(LR_POT_TYPES) :: pot |
753 |
|
logical ( kind = 2) :: do_pot_c, do_stress_c |
754 |
|
logical :: do_pot |
755 |
|
logical :: do_stress |
756 |
|
logical :: in_switching_region |
757 |
|
#ifdef IS_MPI |
758 |
< |
real( kind = DP ) :: pot_local |
758 |
> |
real( kind = DP ), dimension(LR_POT_TYPES) :: pot_local |
759 |
|
integer :: nAtomsInRow |
760 |
|
integer :: nAtomsInCol |
761 |
|
integer :: nprocs |
780 |
|
integer :: propPack_i, propPack_j |
781 |
|
integer :: loopStart, loopEnd, loop |
782 |
|
integer :: iHash |
783 |
< |
real(kind=dp) :: listSkin = 1.0 |
783 |
> |
|
784 |
|
|
785 |
|
!! initialize local variables |
786 |
|
|
905 |
|
me_j = atid(j) |
906 |
|
call get_interatomic_vector(q_group(:,i), & |
907 |
|
q_group(:,j), d_grp, rgrpsq) |
908 |
< |
#endif |
908 |
> |
#endif |
909 |
|
|
910 |
< |
if (rgrpsq < InteractionHash(me_i,me_j)%rListsq) then |
910 |
> |
if (rgrpsq < gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rListsq) then |
911 |
|
if (update_nlist) then |
912 |
|
nlist = nlist + 1 |
913 |
|
|
1028 |
|
endif |
1029 |
|
end if |
1030 |
|
enddo |
1031 |
+ |
|
1032 |
|
enddo outer |
1033 |
|
|
1034 |
|
if (update_nlist) then |
1088 |
|
|
1089 |
|
if (do_pot) then |
1090 |
|
! scatter/gather pot_row into the members of my column |
1091 |
< |
call scatter(pot_Row, pot_Temp, plan_atom_row) |
1092 |
< |
|
1091 |
> |
do i = 1,LR_POT_TYPES |
1092 |
> |
call scatter(pot_Row(i,:), pot_Temp(i,:), plan_atom_row) |
1093 |
> |
end do |
1094 |
|
! scatter/gather pot_local into all other procs |
1095 |
|
! add resultant to get total pot |
1096 |
|
do i = 1, nlocal |
1097 |
< |
pot_local = pot_local + pot_Temp(i) |
1097 |
> |
pot_local(1:LR_POT_TYPES) = pot_local(1:LR_POT_TYPES) & |
1098 |
> |
+ pot_Temp(1:LR_POT_TYPES,i) |
1099 |
|
enddo |
1100 |
|
|
1101 |
|
pot_Temp = 0.0_DP |
1102 |
< |
|
1103 |
< |
call scatter(pot_Col, pot_Temp, plan_atom_col) |
1102 |
> |
do i = 1,LR_POT_TYPES |
1103 |
> |
call scatter(pot_Col(i,:), pot_Temp(i,:), plan_atom_col) |
1104 |
> |
end do |
1105 |
|
do i = 1, nlocal |
1106 |
< |
pot_local = pot_local + pot_Temp(i) |
1106 |
> |
pot_local(1:LR_POT_TYPES) = pot_local(1:LR_POT_TYPES)& |
1107 |
> |
+ pot_Temp(1:LR_POT_TYPES,i) |
1108 |
|
enddo |
1109 |
|
|
1110 |
|
endif |
1112 |
|
|
1113 |
|
if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then |
1114 |
|
|
1115 |
< |
if (FF_uses_RF .and. SIM_uses_RF) then |
1115 |
> |
if (electrostaticSummationMethod == REACTION_FIELD) then |
1116 |
|
|
1117 |
|
#ifdef IS_MPI |
1118 |
|
call scatter(rf_Row,rf,plan_atom_row_3d) |
1143 |
|
!! potential and torques: |
1144 |
|
call reaction_field_final(i, mu_i, eFrame, rfpot, t, do_pot) |
1145 |
|
#ifdef IS_MPI |
1146 |
< |
pot_local = pot_local + rfpot |
1146 |
> |
pot_local(ELECTROSTATIC_POT) = pot_local(ELECTROSTATIC_POT) + rfpot |
1147 |
|
#else |
1148 |
< |
pot = pot + rfpot |
1148 |
> |
pot(ELECTROSTATIC_POT) = pot(ELECTROSTATIC_POT) + rfpot |
1149 |
|
|
1150 |
|
#endif |
1151 |
|
endif |
1157 |
|
#ifdef IS_MPI |
1158 |
|
|
1159 |
|
if (do_pot) then |
1160 |
< |
pot = pot + pot_local |
1160 |
> |
pot(1:LR_POT_TYPES) = pot(1:LR_POT_TYPES) & |
1161 |
> |
+ pot_local(1:LR_POT_TYPES) |
1162 |
|
!! we assume the c code will do the allreduce to get the total potential |
1163 |
|
!! we could do it right here if we needed to... |
1164 |
|
endif |
1184 |
|
subroutine do_pair(i, j, rijsq, d, sw, do_pot, & |
1185 |
|
eFrame, A, f, t, pot, vpair, fpair) |
1186 |
|
|
1187 |
< |
real( kind = dp ) :: pot, vpair, sw |
1187 |
> |
real( kind = dp ) :: vpair, sw |
1188 |
> |
real( kind = dp ), dimension(LR_POT_TYPES) :: pot |
1189 |
|
real( kind = dp ), dimension(3) :: fpair |
1190 |
|
real( kind = dp ), dimension(nLocal) :: mfact |
1191 |
|
real( kind = dp ), dimension(9,nLocal) :: eFrame |
1198 |
|
real ( kind = dp ), intent(inout) :: rijsq |
1199 |
|
real ( kind = dp ) :: r |
1200 |
|
real ( kind = dp ), intent(inout) :: d(3) |
983 |
– |
real ( kind = dp ) :: ebalance |
1201 |
|
integer :: me_i, me_j |
1202 |
|
|
1203 |
|
integer :: iHash |
1217 |
|
iHash = InteractionHash(me_i, me_j) |
1218 |
|
|
1219 |
|
if ( iand(iHash, LJ_PAIR).ne.0 ) then |
1220 |
< |
call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot) |
1220 |
> |
call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1221 |
> |
pot(VDW_POT), f, do_pot) |
1222 |
|
endif |
1223 |
|
|
1224 |
|
if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then |
1225 |
|
call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1226 |
< |
pot, eFrame, f, t, do_pot) |
1226 |
> |
pot(ELECTROSTATIC_POT), eFrame, f, t, do_pot) |
1227 |
|
|
1228 |
< |
if (FF_uses_RF .and. SIM_uses_RF) then |
1228 |
> |
if (electrostaticSummationMethod == REACTION_FIELD) then |
1229 |
|
|
1230 |
|
! CHECK ME (RF needs to know about all electrostatic types) |
1231 |
|
call accumulate_rf(i, j, r, eFrame, sw) |
1236 |
|
|
1237 |
|
if ( iand(iHash, STICKY_PAIR).ne.0 ) then |
1238 |
|
call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1239 |
< |
pot, A, f, t, do_pot) |
1239 |
> |
pot(HB_POT), A, f, t, do_pot) |
1240 |
|
endif |
1241 |
|
|
1242 |
|
if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then |
1243 |
|
call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1244 |
< |
pot, A, f, t, do_pot) |
1244 |
> |
pot(HB_POT), A, f, t, do_pot) |
1245 |
|
endif |
1246 |
|
|
1247 |
|
if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then |
1248 |
|
call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1249 |
< |
pot, A, f, t, do_pot) |
1249 |
> |
pot(VDW_POT), A, f, t, do_pot) |
1250 |
|
endif |
1251 |
|
|
1252 |
|
if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then |
1253 |
< |
! call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1254 |
< |
! pot, A, f, t, do_pot) |
1253 |
> |
call do_gb_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1254 |
> |
pot(VDW_POT), A, f, t, do_pot) |
1255 |
|
endif |
1256 |
|
|
1257 |
|
if ( iand(iHash, EAM_PAIR).ne.0 ) then |
1258 |
< |
call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, & |
1259 |
< |
do_pot) |
1258 |
> |
call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1259 |
> |
pot(METALLIC_POT), f, do_pot) |
1260 |
|
endif |
1261 |
|
|
1262 |
|
if ( iand(iHash, SHAPE_PAIR).ne.0 ) then |
1263 |
|
call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1264 |
< |
pot, A, f, t, do_pot) |
1264 |
> |
pot(VDW_POT), A, f, t, do_pot) |
1265 |
|
endif |
1266 |
|
|
1267 |
|
if ( iand(iHash, SHAPE_LJ).ne.0 ) then |
1268 |
|
call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1269 |
< |
pot, A, f, t, do_pot) |
1269 |
> |
pot(VDW_POT), A, f, t, do_pot) |
1270 |
|
endif |
1271 |
|
|
1272 |
|
end subroutine do_pair |
1274 |
|
subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, & |
1275 |
|
do_pot, do_stress, eFrame, A, f, t, pot) |
1276 |
|
|
1277 |
< |
real( kind = dp ) :: pot, sw |
1277 |
> |
real( kind = dp ) :: sw |
1278 |
> |
real( kind = dp ), dimension(LR_POT_TYPES) :: pot |
1279 |
|
real( kind = dp ), dimension(9,nLocal) :: eFrame |
1280 |
|
real (kind=dp), dimension(9,nLocal) :: A |
1281 |
|
real (kind=dp), dimension(3,nLocal) :: f |
1289 |
|
|
1290 |
|
integer :: me_i, me_j, iHash |
1291 |
|
|
1292 |
+ |
r = sqrt(rijsq) |
1293 |
+ |
|
1294 |
|
#ifdef IS_MPI |
1295 |
|
me_i = atid_row(i) |
1296 |
|
me_j = atid_col(j) |
1310 |
|
|
1311 |
|
subroutine do_preforce(nlocal,pot) |
1312 |
|
integer :: nlocal |
1313 |
< |
real( kind = dp ) :: pot |
1313 |
> |
real( kind = dp ),dimension(LR_POT_TYPES) :: pot |
1314 |
|
|
1315 |
|
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1316 |
< |
call calc_EAM_preforce_Frho(nlocal,pot) |
1316 |
> |
call calc_EAM_preforce_Frho(nlocal,pot(METALLIC_POT)) |
1317 |
|
endif |
1318 |
|
|
1319 |
|
|
1508 |
|
|
1509 |
|
function FF_RequiresPostpairCalc() result(doesit) |
1510 |
|
logical :: doesit |
1511 |
< |
doesit = FF_uses_RF |
1511 |
> |
if (electrostaticSummationMethod == REACTION_FIELD) doesit = .true. |
1512 |
|
end function FF_RequiresPostpairCalc |
1513 |
|
|
1514 |
|
#ifdef PROFILE |