47 |
|
use vector_class |
48 |
|
use simulation |
49 |
|
use status |
50 |
+ |
use interpolation |
51 |
|
#ifdef IS_MPI |
52 |
|
use mpiSimulation |
53 |
|
#endif |
65 |
|
!! these prefactors convert the multipole interactions into kcal / mol |
66 |
|
!! all were computed assuming distances are measured in angstroms |
67 |
|
!! Charge-Charge, assuming charges are measured in electrons |
68 |
< |
real(kind=dp), parameter :: pre11 = 332.0637778_dp |
68 |
> |
real(kind=dp), parameter :: pre11 = 332.0637778d0 |
69 |
|
!! Charge-Dipole, assuming charges are measured in electrons, and |
70 |
|
!! dipoles are measured in debyes |
71 |
< |
real(kind=dp), parameter :: pre12 = 69.13373_dp |
71 |
> |
real(kind=dp), parameter :: pre12 = 69.13373d0 |
72 |
|
!! Dipole-Dipole, assuming dipoles are measured in debyes |
73 |
< |
real(kind=dp), parameter :: pre22 = 14.39325_dp |
73 |
> |
real(kind=dp), parameter :: pre22 = 14.39325d0 |
74 |
|
!! Charge-Quadrupole, assuming charges are measured in electrons, and |
75 |
|
!! quadrupoles are measured in 10^-26 esu cm^2 |
76 |
|
!! This unit is also known affectionately as an esu centi-barn. |
77 |
< |
real(kind=dp), parameter :: pre14 = 69.13373_dp |
77 |
> |
real(kind=dp), parameter :: pre14 = 69.13373d0 |
78 |
|
|
79 |
|
!! variables to handle different summation methods for long-range |
80 |
|
!! electrostatics: |
104 |
|
real(kind=dp), save :: f0 = 1.0_DP |
105 |
|
real(kind=dp), save :: f1 = 1.0_DP |
106 |
|
real(kind=dp), save :: f2 = 0.0_DP |
107 |
+ |
real(kind=dp), save :: f3 = 0.0_DP |
108 |
+ |
real(kind=dp), save :: f4 = 0.0_DP |
109 |
|
real(kind=dp), save :: f0c = 1.0_DP |
110 |
|
real(kind=dp), save :: f1c = 1.0_DP |
111 |
|
real(kind=dp), save :: f2c = 0.0_DP |
112 |
+ |
real(kind=dp), save :: f3c = 0.0_DP |
113 |
+ |
real(kind=dp), save :: f4c = 0.0_DP |
114 |
|
|
115 |
< |
#ifdef __IFC |
115 |
> |
#if defined(__IFC) || defined(__PGI) |
116 |
|
! error function for ifc version > 7. |
117 |
|
double precision, external :: derfc |
118 |
|
#endif |
122 |
|
public :: setElectrostaticCutoffRadius |
123 |
|
public :: setDampingAlpha |
124 |
|
public :: setReactionFieldDielectric |
125 |
+ |
public :: buildElectroSplines |
126 |
|
public :: newElectrostaticType |
127 |
|
public :: setCharge |
128 |
|
public :: setDipoleMoment |
135 |
|
public :: self_self |
136 |
|
public :: rf_self_excludes |
137 |
|
|
138 |
+ |
|
139 |
|
type :: Electrostatic |
140 |
|
integer :: c_ident |
141 |
|
logical :: is_Charge = .false. |
151 |
|
|
152 |
|
type(Electrostatic), dimension(:), allocatable :: ElectrostaticMap |
153 |
|
|
154 |
+ |
logical, save :: hasElectrostaticMap |
155 |
+ |
|
156 |
|
contains |
157 |
|
|
158 |
|
subroutine setElectrostaticSummationMethod(the_ESM) |
175 |
|
real(kind=dp), intent(in) :: thisRcut |
176 |
|
real(kind=dp), intent(in) :: thisRsw |
177 |
|
defaultCutoff = thisRcut |
178 |
+ |
defaultCutoff2 = defaultCutoff*defaultCutoff |
179 |
|
rrf = defaultCutoff |
180 |
|
rt = thisRsw |
181 |
|
haveDefaultCutoff = .true. |
194 |
|
haveDielectric = .true. |
195 |
|
end subroutine setReactionFieldDielectric |
196 |
|
|
197 |
+ |
subroutine buildElectroSplines() |
198 |
+ |
end subroutine buildElectroSplines |
199 |
+ |
|
200 |
|
subroutine newElectrostaticType(c_ident, is_Charge, is_Dipole, & |
201 |
|
is_SplitDipole, is_Quadrupole, is_Tap, status) |
202 |
|
|
224 |
|
return |
225 |
|
end if |
226 |
|
|
227 |
< |
if (.not. allocated(ElectrostaticMap)) then |
215 |
< |
allocate(ElectrostaticMap(nAtypes)) |
216 |
< |
endif |
227 |
> |
allocate(ElectrostaticMap(nAtypes)) |
228 |
|
|
229 |
|
end if |
230 |
|
|
242 |
|
ElectrostaticMap(myATID)%is_Quadrupole = is_Quadrupole |
243 |
|
ElectrostaticMap(myATID)%is_Tap = is_Tap |
244 |
|
|
245 |
+ |
hasElectrostaticMap = .true. |
246 |
+ |
|
247 |
|
end subroutine newElectrostaticType |
248 |
|
|
249 |
|
subroutine setCharge(c_ident, charge, status) |
255 |
|
status = 0 |
256 |
|
myATID = getFirstMatchingElement(atypes, "c_ident", c_ident) |
257 |
|
|
258 |
< |
if (.not.allocated(ElectrostaticMap)) then |
258 |
> |
if (.not.hasElectrostaticMap) then |
259 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of setCharge!") |
260 |
|
status = -1 |
261 |
|
return |
285 |
|
status = 0 |
286 |
|
myATID = getFirstMatchingElement(atypes, "c_ident", c_ident) |
287 |
|
|
288 |
< |
if (.not.allocated(ElectrostaticMap)) then |
288 |
> |
if (.not.hasElectrostaticMap) then |
289 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of setDipoleMoment!") |
290 |
|
status = -1 |
291 |
|
return |
315 |
|
status = 0 |
316 |
|
myATID = getFirstMatchingElement(atypes, "c_ident", c_ident) |
317 |
|
|
318 |
< |
if (.not.allocated(ElectrostaticMap)) then |
318 |
> |
if (.not.hasElectrostaticMap) then |
319 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of setSplitDipoleDistance!") |
320 |
|
status = -1 |
321 |
|
return |
345 |
|
status = 0 |
346 |
|
myATID = getFirstMatchingElement(atypes, "c_ident", c_ident) |
347 |
|
|
348 |
< |
if (.not.allocated(ElectrostaticMap)) then |
348 |
> |
if (.not.hasElectrostaticMap) then |
349 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of setQuadrupoleMoments!") |
350 |
|
status = -1 |
351 |
|
return |
376 |
|
integer :: localError |
377 |
|
real(kind=dp) :: c |
378 |
|
|
379 |
< |
if (.not.allocated(ElectrostaticMap)) then |
379 |
> |
if (.not.hasElectrostaticMap) then |
380 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of getCharge!") |
381 |
|
return |
382 |
|
end if |
394 |
|
integer :: localError |
395 |
|
real(kind=dp) :: dm |
396 |
|
|
397 |
< |
if (.not.allocated(ElectrostaticMap)) then |
397 |
> |
if (.not.hasElectrostaticMap) then |
398 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of getDipoleMoment!") |
399 |
|
return |
400 |
|
end if |
427 |
|
call handleError("checkSummationMethod", "no Default Cutoff set!") |
428 |
|
endif |
429 |
|
|
430 |
< |
constEXP = exp(-alpha2*defaultCutoff*defaultCutoff) |
430 |
> |
constEXP = exp(-alpha2*defaultCutoff2) |
431 |
|
invRootPi = 0.56418958354775628695d0 |
432 |
|
alphaPi = 2.0d0*dampingAlpha*invRootPi |
433 |
|
f0c = derfc(dampingAlpha*defaultCutoff) |
434 |
|
f1c = alphaPi*defaultCutoff*constEXP + f0c |
435 |
< |
f2c = alphaPi*2.0d0*alpha2*constEXP*rcuti2 |
436 |
< |
|
435 |
> |
f2c = alphaPi*2.0d0*alpha2*constEXP |
436 |
> |
f3c = alphaPi*2.0d0*alpha2*constEXP*defaultCutoff2*defaultCutoff |
437 |
|
endif |
438 |
|
|
439 |
|
if (summationMethod .eq. REACTION_FIELD) then |
452 |
|
end subroutine checkSummationMethod |
453 |
|
|
454 |
|
|
455 |
< |
subroutine doElectrostaticPair(atom1, atom2, d, rij, r2, sw, & |
455 |
> |
subroutine doElectrostaticPair(atom1, atom2, d, rij, r2, rcut, sw, & |
456 |
|
vpair, fpair, pot, eFrame, f, t, do_pot) |
457 |
|
|
458 |
|
logical, intent(in) :: do_pot |
460 |
|
integer, intent(in) :: atom1, atom2 |
461 |
|
integer :: localError |
462 |
|
|
463 |
< |
real(kind=dp), intent(in) :: rij, r2, sw |
463 |
> |
real(kind=dp), intent(in) :: rij, r2, sw, rcut |
464 |
|
real(kind=dp), intent(in), dimension(3) :: d |
465 |
|
real(kind=dp), intent(inout) :: vpair |
466 |
|
real(kind=dp), intent(inout), dimension(3) :: fpair |
495 |
|
real (kind=dp) :: varEXP |
496 |
|
real (kind=dp) :: pot_term |
497 |
|
real (kind=dp) :: preVal, rfVal |
498 |
+ |
real (kind=dp) :: f13, f134 |
499 |
|
|
486 |
– |
if (.not.allocated(ElectrostaticMap)) then |
487 |
– |
call handleError("electrostatic", "no ElectrostaticMap was present before first call of do_electrostatic_pair!") |
488 |
– |
return |
489 |
– |
end if |
490 |
– |
|
500 |
|
if (.not.summationMethodChecked) then |
501 |
|
call checkSummationMethod() |
502 |
|
endif |
509 |
|
me2 = atid(atom2) |
510 |
|
#endif |
511 |
|
|
503 |
– |
!!$ if (rij .ge. defaultCutoff) then |
504 |
– |
!!$ write(*,*) 'warning: rij = ', rij, ' rcut = ', defaultCutoff, ' sw = ', sw |
505 |
– |
!!$ endif |
506 |
– |
|
512 |
|
!! some variables we'll need independent of electrostatic type: |
513 |
|
|
514 |
|
riji = 1.0d0 / rij |
635 |
|
cz_j = uz_j(1)*xhat + uz_j(2)*yhat + uz_j(3)*zhat |
636 |
|
endif |
637 |
|
|
638 |
< |
epot = 0.0_dp |
639 |
< |
dudx = 0.0_dp |
640 |
< |
dudy = 0.0_dp |
641 |
< |
dudz = 0.0_dp |
638 |
> |
epot = 0.0d0 |
639 |
> |
dudx = 0.0d0 |
640 |
> |
dudy = 0.0d0 |
641 |
> |
dudz = 0.0d0 |
642 |
|
|
643 |
< |
dudux_i = 0.0_dp |
644 |
< |
duduy_i = 0.0_dp |
645 |
< |
duduz_i = 0.0_dp |
643 |
> |
dudux_i = 0.0d0 |
644 |
> |
duduy_i = 0.0d0 |
645 |
> |
duduz_i = 0.0d0 |
646 |
|
|
647 |
< |
dudux_j = 0.0_dp |
648 |
< |
duduy_j = 0.0_dp |
649 |
< |
duduz_j = 0.0_dp |
647 |
> |
dudux_j = 0.0d0 |
648 |
> |
duduy_j = 0.0d0 |
649 |
> |
duduz_j = 0.0d0 |
650 |
|
|
651 |
|
if (i_is_Charge) then |
652 |
|
|
653 |
|
if (j_is_Charge) then |
654 |
< |
|
655 |
< |
if (summationMethod .eq. SHIFTED_POTENTIAL) then |
656 |
< |
if (screeningMethod .eq. DAMPED) then |
657 |
< |
f0 = derfc(dampingAlpha*rij) |
658 |
< |
varEXP = exp(-alpha2*rij*rij) |
654 |
< |
f1 = alphaPi*rij*varEXP + f0c |
655 |
< |
endif |
656 |
< |
|
657 |
< |
vterm = pre11 * q_i * q_j * (riji*f0 - rcuti*f0c) |
658 |
< |
vpair = vpair + vterm |
659 |
< |
epot = epot + sw*vterm |
660 |
< |
|
661 |
< |
dudr = -sw*pre11*q_i*q_j * riji * riji * f1 |
662 |
< |
|
663 |
< |
dudx = dudx + dudr * xhat |
664 |
< |
dudy = dudy + dudr * yhat |
665 |
< |
dudz = dudz + dudr * zhat |
654 |
> |
if (screeningMethod .eq. DAMPED) then |
655 |
> |
f0 = derfc(dampingAlpha*rij) |
656 |
> |
varEXP = exp(-alpha2*rij*rij) |
657 |
> |
f1 = alphaPi*rij*varEXP + f0 |
658 |
> |
endif |
659 |
|
|
660 |
< |
elseif (summationMethod .eq. SHIFTED_FORCE) then |
668 |
< |
if (screeningMethod .eq. DAMPED) then |
669 |
< |
f0 = derfc(dampingAlpha*rij) |
670 |
< |
varEXP = exp(-alpha2*rij*rij) |
671 |
< |
f1 = alphaPi*rij*varEXP + f0 |
672 |
< |
endif |
660 |
> |
preVal = pre11 * q_i * q_j |
661 |
|
|
662 |
< |
vterm = pre11 * q_i * q_j * ( riji*f0 - rcuti*f0c + & |
662 |
> |
if (summationMethod .eq. SHIFTED_POTENTIAL) then |
663 |
> |
vterm = preVal * (riji*f0 - rcuti*f0c) |
664 |
> |
|
665 |
> |
dudr = -sw * preVal * riji * riji * f1 |
666 |
> |
|
667 |
> |
elseif (summationMethod .eq. SHIFTED_FORCE) then |
668 |
> |
vterm = preVal * ( riji*f0 - rcuti*f0c + & |
669 |
|
f1c*rcuti2*(rij-defaultCutoff) ) |
670 |
|
|
671 |
< |
vpair = vpair + vterm |
672 |
< |
epot = epot + sw*vterm |
679 |
< |
|
680 |
< |
dudr = -sw*pre11*q_i*q_j * (riji*riji*f1 - rcuti2*f1c) |
681 |
< |
|
682 |
< |
dudx = dudx + dudr * xhat |
683 |
< |
dudy = dudy + dudr * yhat |
684 |
< |
dudz = dudz + dudr * zhat |
685 |
< |
|
671 |
> |
dudr = -sw*preVal * (riji*riji*f1 - rcuti2*f1c) |
672 |
> |
|
673 |
|
elseif (summationMethod .eq. REACTION_FIELD) then |
687 |
– |
preVal = pre11 * q_i * q_j |
674 |
|
rfVal = preRF*rij*rij |
675 |
|
vterm = preVal * ( riji + rfVal ) |
676 |
|
|
691 |
– |
vpair = vpair + vterm |
692 |
– |
epot = epot + sw*vterm |
693 |
– |
|
677 |
|
dudr = sw * preVal * ( 2.0d0*rfVal - riji )*riji |
678 |
< |
|
696 |
< |
dudx = dudx + dudr * xhat |
697 |
< |
dudy = dudy + dudr * yhat |
698 |
< |
dudz = dudz + dudr * zhat |
699 |
< |
|
678 |
> |
|
679 |
|
else |
680 |
< |
vterm = pre11 * q_i * q_j * riji |
702 |
< |
vpair = vpair + vterm |
703 |
< |
epot = epot + sw*vterm |
680 |
> |
vterm = preVal * riji*f0 |
681 |
|
|
682 |
< |
dudr = - sw * vterm * riji |
683 |
< |
|
707 |
< |
dudx = dudx + dudr * xhat |
708 |
< |
dudy = dudy + dudr * yhat |
709 |
< |
dudz = dudz + dudr * zhat |
710 |
< |
|
682 |
> |
dudr = - sw * preVal * riji*riji*f1 |
683 |
> |
|
684 |
|
endif |
685 |
|
|
686 |
+ |
vpair = vpair + vterm |
687 |
+ |
epot = epot + sw*vterm |
688 |
+ |
|
689 |
+ |
dudx = dudx + dudr * xhat |
690 |
+ |
dudy = dudy + dudr * yhat |
691 |
+ |
dudz = dudz + dudr * zhat |
692 |
+ |
|
693 |
|
endif |
694 |
|
|
695 |
|
if (j_is_Dipole) then |
696 |
+ |
if (screeningMethod .eq. DAMPED) then |
697 |
+ |
f0 = derfc(dampingAlpha*rij) |
698 |
+ |
varEXP = exp(-alpha2*rij*rij) |
699 |
+ |
f1 = alphaPi*rij*varEXP + f0 |
700 |
+ |
f3 = alphaPi*2.0d0*alpha2*varEXP*rij*rij*rij |
701 |
+ |
endif |
702 |
|
|
703 |
|
pref = pre12 * q_i * mu_j |
704 |
|
|
719 |
– |
!!$ if (summationMethod .eq. UNDAMPED_WOLF) then |
720 |
– |
!!$ ri2 = riji * riji |
721 |
– |
!!$ ri3 = ri2 * riji |
722 |
– |
!!$ |
723 |
– |
!!$ pref = pre12 * q_i * mu_j |
724 |
– |
!!$ vterm = - pref * ct_j * (ri2 - rcuti2) |
725 |
– |
!!$ vpair = vpair + vterm |
726 |
– |
!!$ epot = epot + sw*vterm |
727 |
– |
!!$ |
728 |
– |
!!$ !! this has a + sign in the () because the rij vector is |
729 |
– |
!!$ !! r_j - r_i and the charge-dipole potential takes the origin |
730 |
– |
!!$ !! as the point dipole, which is atom j in this case. |
731 |
– |
!!$ |
732 |
– |
!!$ dudx = dudx - sw*pref * ( ri3*( uz_j(1) - 3.0d0*ct_j*xhat) & |
733 |
– |
!!$ - rcuti3*( uz_j(1) - 3.0d0*ct_j*d(1)*rcuti ) ) |
734 |
– |
!!$ dudy = dudy - sw*pref * ( ri3*( uz_j(2) - 3.0d0*ct_j*yhat) & |
735 |
– |
!!$ - rcuti3*( uz_j(2) - 3.0d0*ct_j*d(2)*rcuti ) ) |
736 |
– |
!!$ dudz = dudz - sw*pref * ( ri3*( uz_j(3) - 3.0d0*ct_j*zhat) & |
737 |
– |
!!$ - rcuti3*( uz_j(3) - 3.0d0*ct_j*d(3)*rcuti ) ) |
738 |
– |
!!$ |
739 |
– |
!!$ duduz_j(1) = duduz_j(1) - sw*pref*( ri2*xhat - d(1)*rcuti3 ) |
740 |
– |
!!$ duduz_j(2) = duduz_j(2) - sw*pref*( ri2*yhat - d(2)*rcuti3 ) |
741 |
– |
!!$ duduz_j(3) = duduz_j(3) - sw*pref*( ri2*zhat - d(3)*rcuti3 ) |
742 |
– |
!!$ |
743 |
– |
!!$ elseif (summationMethod .eq. REACTION_FIELD) then |
744 |
– |
|
705 |
|
if (summationMethod .eq. REACTION_FIELD) then |
706 |
|
ri2 = riji * riji |
707 |
|
ri3 = ri2 * riji |
708 |
|
|
749 |
– |
pref = pre12 * q_i * mu_j |
709 |
|
vterm = - pref * ct_j * ( ri2 - preRF2*rij ) |
710 |
|
vpair = vpair + vterm |
711 |
|
epot = epot + sw*vterm |
726 |
|
|
727 |
|
else |
728 |
|
if (j_is_SplitDipole) then |
729 |
< |
BigR = sqrt(r2 + 0.25_dp * d_j * d_j) |
730 |
< |
ri = 1.0_dp / BigR |
729 |
> |
BigR = sqrt(r2 + 0.25d0 * d_j * d_j) |
730 |
> |
ri = 1.0d0 / BigR |
731 |
|
scale = rij * ri |
732 |
|
else |
733 |
|
ri = riji |
734 |
< |
scale = 1.0_dp |
734 |
> |
scale = 1.0d0 |
735 |
|
endif |
736 |
|
|
737 |
|
ri2 = ri * ri |
738 |
|
ri3 = ri2 * ri |
739 |
|
sc2 = scale * scale |
740 |
|
|
741 |
< |
pref = pre12 * q_i * mu_j |
742 |
< |
vterm = - pref * ct_j * ri2 * scale |
741 |
> |
pot_term = ri2 * scale * f1 |
742 |
> |
vterm = - pref * ct_j * pot_term |
743 |
|
vpair = vpair + vterm |
744 |
|
epot = epot + sw*vterm |
745 |
|
|
747 |
|
!! r_j - r_i and the charge-dipole potential takes the origin |
748 |
|
!! as the point dipole, which is atom j in this case. |
749 |
|
|
750 |
< |
dudx = dudx - sw*pref * ri3 * ( uz_j(1) - 3.0d0*ct_j*xhat*sc2) |
751 |
< |
dudy = dudy - sw*pref * ri3 * ( uz_j(2) - 3.0d0*ct_j*yhat*sc2) |
752 |
< |
dudz = dudz - sw*pref * ri3 * ( uz_j(3) - 3.0d0*ct_j*zhat*sc2) |
753 |
< |
|
754 |
< |
duduz_j(1) = duduz_j(1) - sw*pref * ri2 * xhat * scale |
755 |
< |
duduz_j(2) = duduz_j(2) - sw*pref * ri2 * yhat * scale |
756 |
< |
duduz_j(3) = duduz_j(3) - sw*pref * ri2 * zhat * scale |
750 |
> |
dudx = dudx - sw*pref * ri3 * ( uz_j(1)*f1 - & |
751 |
> |
ct_j*xhat*sc2*( 3.0d0*f1 + f3 ) ) |
752 |
> |
dudy = dudy - sw*pref * ri3 * ( uz_j(2)*f1 - & |
753 |
> |
ct_j*yhat*sc2*( 3.0d0*f1 + f3 ) ) |
754 |
> |
dudz = dudz - sw*pref * ri3 * ( uz_j(3)*f1 - & |
755 |
> |
ct_j*zhat*sc2*( 3.0d0*f1 + f3 ) ) |
756 |
> |
|
757 |
> |
duduz_j(1) = duduz_j(1) - sw*pref * pot_term * xhat |
758 |
> |
duduz_j(2) = duduz_j(2) - sw*pref * pot_term * yhat |
759 |
> |
duduz_j(3) = duduz_j(3) - sw*pref * pot_term * zhat |
760 |
|
|
761 |
|
endif |
762 |
|
endif |
763 |
|
|
764 |
|
if (j_is_Quadrupole) then |
765 |
+ |
if (screeningMethod .eq. DAMPED) then |
766 |
+ |
f0 = derfc(dampingAlpha*rij) |
767 |
+ |
varEXP = exp(-alpha2*rij*rij) |
768 |
+ |
f1 = alphaPi*rij*varEXP + f0 |
769 |
+ |
f2 = alphaPi*2.0d0*alpha2*varEXP |
770 |
+ |
f3 = f2*rij*rij*rij |
771 |
+ |
f4 = 2.0d0*alpha2*f2*rij |
772 |
+ |
endif |
773 |
+ |
|
774 |
|
ri2 = riji * riji |
775 |
|
ri3 = ri2 * riji |
776 |
|
ri4 = ri2 * ri2 |
778 |
|
cy2 = cy_j * cy_j |
779 |
|
cz2 = cz_j * cz_j |
780 |
|
|
781 |
< |
!!$ if (summationMethod .eq. UNDAMPED_WOLF) then |
782 |
< |
!!$ pref = pre14 * q_i / 3.0_dp |
783 |
< |
!!$ vterm1 = pref * ri3*( qxx_j * (3.0_dp*cx2 - 1.0_dp) + & |
784 |
< |
!!$ qyy_j * (3.0_dp*cy2 - 1.0_dp) + & |
785 |
< |
!!$ qzz_j * (3.0_dp*cz2 - 1.0_dp) ) |
786 |
< |
!!$ vterm2 = pref * rcuti3*( qxx_j * (3.0_dp*cx2 - 1.0_dp) + & |
787 |
< |
!!$ qyy_j * (3.0_dp*cy2 - 1.0_dp) + & |
817 |
< |
!!$ qzz_j * (3.0_dp*cz2 - 1.0_dp) ) |
818 |
< |
!!$ vpair = vpair + ( vterm1 - vterm2 ) |
819 |
< |
!!$ epot = epot + sw*( vterm1 - vterm2 ) |
820 |
< |
!!$ |
821 |
< |
!!$ dudx = dudx - (5.0_dp * & |
822 |
< |
!!$ (vterm1*riji*xhat - vterm2*rcuti2*d(1))) + sw*pref * ( & |
823 |
< |
!!$ (ri4 - rcuti4)*(qxx_j*(6.0_dp*cx_j*ux_j(1)) - & |
824 |
< |
!!$ qxx_j*2.0_dp*(xhat - rcuti*d(1))) + & |
825 |
< |
!!$ (ri4 - rcuti4)*(qyy_j*(6.0_dp*cy_j*uy_j(1)) - & |
826 |
< |
!!$ qyy_j*2.0_dp*(xhat - rcuti*d(1))) + & |
827 |
< |
!!$ (ri4 - rcuti4)*(qzz_j*(6.0_dp*cz_j*uz_j(1)) - & |
828 |
< |
!!$ qzz_j*2.0_dp*(xhat - rcuti*d(1))) ) |
829 |
< |
!!$ dudy = dudy - (5.0_dp * & |
830 |
< |
!!$ (vterm1*riji*yhat - vterm2*rcuti2*d(2))) + sw*pref * ( & |
831 |
< |
!!$ (ri4 - rcuti4)*(qxx_j*(6.0_dp*cx_j*ux_j(2)) - & |
832 |
< |
!!$ qxx_j*2.0_dp*(yhat - rcuti*d(2))) + & |
833 |
< |
!!$ (ri4 - rcuti4)*(qyy_j*(6.0_dp*cy_j*uy_j(2)) - & |
834 |
< |
!!$ qyy_j*2.0_dp*(yhat - rcuti*d(2))) + & |
835 |
< |
!!$ (ri4 - rcuti4)*(qzz_j*(6.0_dp*cz_j*uz_j(2)) - & |
836 |
< |
!!$ qzz_j*2.0_dp*(yhat - rcuti*d(2))) ) |
837 |
< |
!!$ dudz = dudz - (5.0_dp * & |
838 |
< |
!!$ (vterm1*riji*zhat - vterm2*rcuti2*d(3))) + sw*pref * ( & |
839 |
< |
!!$ (ri4 - rcuti4)*(qxx_j*(6.0_dp*cx_j*ux_j(3)) - & |
840 |
< |
!!$ qxx_j*2.0_dp*(zhat - rcuti*d(3))) + & |
841 |
< |
!!$ (ri4 - rcuti4)*(qyy_j*(6.0_dp*cy_j*uy_j(3)) - & |
842 |
< |
!!$ qyy_j*2.0_dp*(zhat - rcuti*d(3))) + & |
843 |
< |
!!$ (ri4 - rcuti4)*(qzz_j*(6.0_dp*cz_j*uz_j(3)) - & |
844 |
< |
!!$ qzz_j*2.0_dp*(zhat - rcuti*d(3))) ) |
845 |
< |
!!$ |
846 |
< |
!!$ dudux_j(1) = dudux_j(1) + sw*pref*(ri3*(qxx_j*6.0_dp*cx_j*xhat) -& |
847 |
< |
!!$ rcuti4*(qxx_j*6.0_dp*cx_j*d(1))) |
848 |
< |
!!$ dudux_j(2) = dudux_j(2) + sw*pref*(ri3*(qxx_j*6.0_dp*cx_j*yhat) -& |
849 |
< |
!!$ rcuti4*(qxx_j*6.0_dp*cx_j*d(2))) |
850 |
< |
!!$ dudux_j(3) = dudux_j(3) + sw*pref*(ri3*(qxx_j*6.0_dp*cx_j*zhat) -& |
851 |
< |
!!$ rcuti4*(qxx_j*6.0_dp*cx_j*d(3))) |
852 |
< |
!!$ |
853 |
< |
!!$ duduy_j(1) = duduy_j(1) + sw*pref*(ri3*(qyy_j*6.0_dp*cy_j*xhat) -& |
854 |
< |
!!$ rcuti4*(qyy_j*6.0_dp*cx_j*d(1))) |
855 |
< |
!!$ duduy_j(2) = duduy_j(2) + sw*pref*(ri3*(qyy_j*6.0_dp*cy_j*yhat) -& |
856 |
< |
!!$ rcuti4*(qyy_j*6.0_dp*cx_j*d(2))) |
857 |
< |
!!$ duduy_j(3) = duduy_j(3) + sw*pref*(ri3*(qyy_j*6.0_dp*cy_j*zhat) -& |
858 |
< |
!!$ rcuti4*(qyy_j*6.0_dp*cx_j*d(3))) |
859 |
< |
!!$ |
860 |
< |
!!$ duduz_j(1) = duduz_j(1) + sw*pref*(ri3*(qzz_j*6.0_dp*cz_j*xhat) -& |
861 |
< |
!!$ rcuti4*(qzz_j*6.0_dp*cx_j*d(1))) |
862 |
< |
!!$ duduz_j(2) = duduz_j(2) + sw*pref*(ri3*(qzz_j*6.0_dp*cz_j*yhat) -& |
863 |
< |
!!$ rcuti4*(qzz_j*6.0_dp*cx_j*d(2))) |
864 |
< |
!!$ duduz_j(3) = duduz_j(3) + sw*pref*(ri3*(qzz_j*6.0_dp*cz_j*zhat) -& |
865 |
< |
!!$ rcuti4*(qzz_j*6.0_dp*cx_j*d(3))) |
866 |
< |
!!$ |
867 |
< |
!!$ else |
868 |
< |
pref = pre14 * q_i / 3.0_dp |
869 |
< |
vterm = pref * ri3 * (qxx_j * (3.0_dp*cx2 - 1.0_dp) + & |
870 |
< |
qyy_j * (3.0_dp*cy2 - 1.0_dp) + & |
871 |
< |
qzz_j * (3.0_dp*cz2 - 1.0_dp)) |
872 |
< |
vpair = vpair + vterm |
873 |
< |
epot = epot + sw*vterm |
874 |
< |
|
875 |
< |
dudx = dudx - 5.0_dp*sw*vterm*riji*xhat + sw*pref * ri4 * ( & |
876 |
< |
qxx_j*(6.0_dp*cx_j*ux_j(1) - 2.0_dp*xhat) + & |
877 |
< |
qyy_j*(6.0_dp*cy_j*uy_j(1) - 2.0_dp*xhat) + & |
878 |
< |
qzz_j*(6.0_dp*cz_j*uz_j(1) - 2.0_dp*xhat) ) |
879 |
< |
dudy = dudy - 5.0_dp*sw*vterm*riji*yhat + sw*pref * ri4 * ( & |
880 |
< |
qxx_j*(6.0_dp*cx_j*ux_j(2) - 2.0_dp*yhat) + & |
881 |
< |
qyy_j*(6.0_dp*cy_j*uy_j(2) - 2.0_dp*yhat) + & |
882 |
< |
qzz_j*(6.0_dp*cz_j*uz_j(2) - 2.0_dp*yhat) ) |
883 |
< |
dudz = dudz - 5.0_dp*sw*vterm*riji*zhat + sw*pref * ri4 * ( & |
884 |
< |
qxx_j*(6.0_dp*cx_j*ux_j(3) - 2.0_dp*zhat) + & |
885 |
< |
qyy_j*(6.0_dp*cy_j*uy_j(3) - 2.0_dp*zhat) + & |
886 |
< |
qzz_j*(6.0_dp*cz_j*uz_j(3) - 2.0_dp*zhat) ) |
887 |
< |
|
888 |
< |
dudux_j(1) = dudux_j(1) + sw*pref * ri3*(qxx_j*6.0_dp*cx_j*xhat) |
889 |
< |
dudux_j(2) = dudux_j(2) + sw*pref * ri3*(qxx_j*6.0_dp*cx_j*yhat) |
890 |
< |
dudux_j(3) = dudux_j(3) + sw*pref * ri3*(qxx_j*6.0_dp*cx_j*zhat) |
891 |
< |
|
892 |
< |
duduy_j(1) = duduy_j(1) + sw*pref * ri3*(qyy_j*6.0_dp*cy_j*xhat) |
893 |
< |
duduy_j(2) = duduy_j(2) + sw*pref * ri3*(qyy_j*6.0_dp*cy_j*yhat) |
894 |
< |
duduy_j(3) = duduy_j(3) + sw*pref * ri3*(qyy_j*6.0_dp*cy_j*zhat) |
895 |
< |
|
896 |
< |
duduz_j(1) = duduz_j(1) + sw*pref * ri3*(qzz_j*6.0_dp*cz_j*xhat) |
897 |
< |
duduz_j(2) = duduz_j(2) + sw*pref * ri3*(qzz_j*6.0_dp*cz_j*yhat) |
898 |
< |
duduz_j(3) = duduz_j(3) + sw*pref * ri3*(qzz_j*6.0_dp*cz_j*zhat) |
781 |
> |
pref = pre14 * q_i / 3.0d0 |
782 |
> |
pot_term = ri3*(qxx_j * (3.0d0*cx2 - 1.0d0) + & |
783 |
> |
qyy_j * (3.0d0*cy2 - 1.0d0) + & |
784 |
> |
qzz_j * (3.0d0*cz2 - 1.0d0)) |
785 |
> |
vterm = pref * (pot_term*f1 + (qxx_j*cx2 + qyy_j*cy2 + qzz_j*cz2)*f2) |
786 |
> |
vpair = vpair + vterm |
787 |
> |
epot = epot + sw*vterm |
788 |
|
|
789 |
< |
!!$ endif |
789 |
> |
dudx = dudx - sw*pref*pot_term*riji*xhat*(5.0d0*f1 + f3) + & |
790 |
> |
sw*pref*ri4 * ( & |
791 |
> |
qxx_j*(2.0d0*cx_j*ux_j(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) + & |
792 |
> |
qyy_j*(2.0d0*cy_j*uy_j(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) + & |
793 |
> |
qzz_j*(2.0d0*cz_j*uz_j(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) ) & |
794 |
> |
+ (qxx_j*cx2 + qyy_j*cy2 + qzz_j*cz2)*f4 |
795 |
> |
dudy = dudy - sw*pref*pot_term*riji*yhat*(5.0d0*f1 + f3) + & |
796 |
> |
sw*pref*ri4 * ( & |
797 |
> |
qxx_j*(2.0d0*cx_j*ux_j(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) + & |
798 |
> |
qyy_j*(2.0d0*cy_j*uy_j(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) + & |
799 |
> |
qzz_j*(2.0d0*cz_j*uz_j(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) ) & |
800 |
> |
+ (qxx_j*cx2 + qyy_j*cy2 + qzz_j*cz2)*f4 |
801 |
> |
dudz = dudz - sw*pref*pot_term*riji*zhat*(5.0d0*f1 + f3) + & |
802 |
> |
sw*pref*ri4 * ( & |
803 |
> |
qxx_j*(2.0d0*cx_j*ux_j(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) + & |
804 |
> |
qyy_j*(2.0d0*cy_j*uy_j(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) + & |
805 |
> |
qzz_j*(2.0d0*cz_j*uz_j(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) ) & |
806 |
> |
+ (qxx_j*cx2 + qyy_j*cy2 + qzz_j*cz2)*f4 |
807 |
> |
|
808 |
> |
dudux_j(1) = dudux_j(1) + sw*pref*ri3*( (qxx_j*2.0d0*cx_j*xhat) & |
809 |
> |
* (3.0d0*f1 + f3) ) |
810 |
> |
dudux_j(2) = dudux_j(2) + sw*pref*ri3*( (qxx_j*2.0d0*cx_j*yhat) & |
811 |
> |
* (3.0d0*f1 + f3) ) |
812 |
> |
dudux_j(3) = dudux_j(3) + sw*pref*ri3*( (qxx_j*2.0d0*cx_j*zhat) & |
813 |
> |
* (3.0d0*f1 + f3) ) |
814 |
> |
|
815 |
> |
duduy_j(1) = duduy_j(1) + sw*pref*ri3*( (qyy_j*2.0d0*cy_j*xhat) & |
816 |
> |
* (3.0d0*f1 + f3) ) |
817 |
> |
duduy_j(2) = duduy_j(2) + sw*pref*ri3*( (qyy_j*2.0d0*cy_j*yhat) & |
818 |
> |
* (3.0d0*f1 + f3) ) |
819 |
> |
duduy_j(3) = duduy_j(3) + sw*pref*ri3*( (qyy_j*2.0d0*cy_j*zhat) & |
820 |
> |
* (3.0d0*f1 + f3) ) |
821 |
> |
|
822 |
> |
duduz_j(1) = duduz_j(1) + sw*pref*ri3*( (qzz_j*2.0d0*cz_j*xhat) & |
823 |
> |
* (3.0d0*f1 + f3) ) |
824 |
> |
duduz_j(2) = duduz_j(2) + sw*pref*ri3*( (qzz_j*2.0d0*cz_j*yhat) & |
825 |
> |
* (3.0d0*f1 + f3) ) |
826 |
> |
duduz_j(3) = duduz_j(3) + sw*pref*ri3*( (qzz_j*2.0d0*cz_j*zhat) & |
827 |
> |
* (3.0d0*f1 + f3) ) |
828 |
> |
|
829 |
|
endif |
830 |
|
endif |
831 |
< |
|
831 |
> |
|
832 |
|
if (i_is_Dipole) then |
833 |
|
|
834 |
|
if (j_is_Charge) then |
835 |
+ |
if (screeningMethod .eq. DAMPED) then |
836 |
+ |
f0 = derfc(dampingAlpha*rij) |
837 |
+ |
varEXP = exp(-alpha2*rij*rij) |
838 |
+ |
f1 = alphaPi*rij*varEXP + f0 |
839 |
+ |
f3 = alphaPi*2.0d0*alpha2*varEXP*rij*rij*rij |
840 |
+ |
endif |
841 |
|
|
842 |
+ |
pref = pre12 * q_j * mu_i |
843 |
+ |
|
844 |
|
if (summationMethod .eq. SHIFTED_POTENTIAL) then |
845 |
|
ri2 = riji * riji |
846 |
|
ri3 = ri2 * riji |
847 |
|
|
848 |
< |
pref = pre12 * q_j * mu_i |
913 |
< |
pot_term = ri2 - rcuti2 |
848 |
> |
pot_term = ri2*f1 - rcuti2*f1c |
849 |
|
vterm = pref * ct_i * pot_term |
850 |
|
vpair = vpair + vterm |
851 |
|
epot = epot + sw*vterm |
852 |
|
|
853 |
< |
dudx = dudx + sw*pref * ( ri3*(uz_i(1)-3.0d0*ct_i*xhat) ) |
854 |
< |
dudy = dudy + sw*pref * ( ri3*(uz_i(2)-3.0d0*ct_i*yhat) ) |
855 |
< |
dudz = dudz + sw*pref * ( ri3*(uz_i(3)-3.0d0*ct_i*zhat) ) |
853 |
> |
dudx = dudx + sw*pref*( ri3*(uz_i(1)*f1-ct_i*xhat*(3.0d0*f1+f3)) ) |
854 |
> |
dudy = dudy + sw*pref*( ri3*(uz_i(2)*f1-ct_i*yhat*(3.0d0*f1+f3)) ) |
855 |
> |
dudz = dudz + sw*pref*( ri3*(uz_i(3)*f1-ct_i*zhat*(3.0d0*f1+f3)) ) |
856 |
|
|
857 |
|
duduz_i(1) = duduz_i(1) + sw*pref * xhat * pot_term |
858 |
|
duduz_i(2) = duduz_i(2) + sw*pref * yhat * pot_term |
862 |
|
ri2 = riji * riji |
863 |
|
ri3 = ri2 * riji |
864 |
|
|
865 |
< |
pref = pre12 * q_j * mu_i |
866 |
< |
pot_term = ri2 - rcuti2 + 2.0d0*rcuti3*( rij - defaultCutoff ) |
865 |
> |
!! might need a -(f1c-f0c) or dct_i/dr in the derivative term... |
866 |
> |
pot_term = ri2*f1 - rcuti2*f1c + & |
867 |
> |
(2.0d0*rcuti3*f1c + f2c)*( rij - defaultCutoff ) |
868 |
|
vterm = pref * ct_i * pot_term |
869 |
|
vpair = vpair + vterm |
870 |
|
epot = epot + sw*vterm |
871 |
|
|
872 |
< |
dudx = dudx + sw*pref * ( (ri3-rcuti3)*(uz_i(1)-3.0d0*ct_i*xhat) ) |
873 |
< |
dudy = dudy + sw*pref * ( (ri3-rcuti3)*(uz_i(2)-3.0d0*ct_i*yhat) ) |
874 |
< |
dudz = dudz + sw*pref * ( (ri3-rcuti3)*(uz_i(3)-3.0d0*ct_i*zhat) ) |
872 |
> |
dudx = dudx + sw*pref*( ri3*(uz_i(1)*f1-ct_i*xhat*(3.0d0*f1+f3)) & |
873 |
> |
- rcuti3*(uz_i(1)*f1c-ct_i*xhat*(3.0d0*f1c+f3c)) ) |
874 |
> |
dudy = dudy + sw*pref*( ri3*(uz_i(2)*f1-ct_i*yhat*(3.0d0*f1+f3)) & |
875 |
> |
- rcuti3*(uz_i(1)*f1c-ct_i*xhat*(3.0d0*f1c+f3c)) ) |
876 |
> |
dudz = dudz + sw*pref*( ri3*(uz_i(3)*f1-ct_i*zhat*(3.0d0*f1+f3)) & |
877 |
> |
- rcuti3*(uz_i(1)*f1c-ct_i*xhat*(3.0d0*f1c+f3c)) ) |
878 |
|
|
879 |
|
duduz_i(1) = duduz_i(1) + sw*pref * xhat * pot_term |
880 |
|
duduz_i(2) = duduz_i(2) + sw*pref * yhat * pot_term |
881 |
|
duduz_i(3) = duduz_i(3) + sw*pref * zhat * pot_term |
882 |
< |
|
882 |
> |
|
883 |
|
elseif (summationMethod .eq. REACTION_FIELD) then |
884 |
|
ri2 = riji * riji |
885 |
|
ri3 = ri2 * riji |
886 |
|
|
948 |
– |
pref = pre12 * q_j * mu_i |
887 |
|
vterm = pref * ct_i * ( ri2 - preRF2*rij ) |
888 |
|
vpair = vpair + vterm |
889 |
|
epot = epot + sw*vterm |
901 |
|
|
902 |
|
else |
903 |
|
if (i_is_SplitDipole) then |
904 |
< |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i) |
905 |
< |
ri = 1.0_dp / BigR |
904 |
> |
BigR = sqrt(r2 + 0.25d0 * d_i * d_i) |
905 |
> |
ri = 1.0d0 / BigR |
906 |
|
scale = rij * ri |
907 |
|
else |
908 |
|
ri = riji |
909 |
< |
scale = 1.0_dp |
909 |
> |
scale = 1.0d0 |
910 |
|
endif |
911 |
|
|
912 |
|
ri2 = ri * ri |
913 |
|
ri3 = ri2 * ri |
914 |
|
sc2 = scale * scale |
915 |
|
|
916 |
< |
pref = pre12 * q_j * mu_i |
917 |
< |
vterm = pref * ct_i * ri2 * scale |
916 |
> |
pot_term = ri2 * f1 * scale |
917 |
> |
vterm = pref * ct_i * pot_term |
918 |
|
vpair = vpair + vterm |
919 |
|
epot = epot + sw*vterm |
920 |
|
|
921 |
< |
dudx = dudx + sw*pref * ri3 * ( uz_i(1) - 3.0d0 * ct_i * xhat*sc2) |
922 |
< |
dudy = dudy + sw*pref * ri3 * ( uz_i(2) - 3.0d0 * ct_i * yhat*sc2) |
923 |
< |
dudz = dudz + sw*pref * ri3 * ( uz_i(3) - 3.0d0 * ct_i * zhat*sc2) |
921 |
> |
dudx = dudx + sw*pref * ri3 * ( uz_i(1)*f1 - & |
922 |
> |
ct_i*xhat*sc2*( 3.0d0*f1 + f3 ) ) |
923 |
> |
dudy = dudy + sw*pref * ri3 * ( uz_i(2)*f1 - & |
924 |
> |
ct_i*yhat*sc2*( 3.0d0*f1 + f3 ) ) |
925 |
> |
dudz = dudz + sw*pref * ri3 * ( uz_i(3)*f1 - & |
926 |
> |
ct_i*zhat*sc2*( 3.0d0*f1 + f3 ) ) |
927 |
|
|
928 |
< |
duduz_i(1) = duduz_i(1) + sw*pref * ri2 * xhat * scale |
929 |
< |
duduz_i(2) = duduz_i(2) + sw*pref * ri2 * yhat * scale |
930 |
< |
duduz_i(3) = duduz_i(3) + sw*pref * ri2 * zhat * scale |
928 |
> |
duduz_i(1) = duduz_i(1) + sw*pref * pot_term * xhat |
929 |
> |
duduz_i(2) = duduz_i(2) + sw*pref * pot_term * yhat |
930 |
> |
duduz_i(3) = duduz_i(3) + sw*pref * pot_term * zhat |
931 |
|
endif |
932 |
|
endif |
933 |
|
|
934 |
|
if (j_is_Dipole) then |
935 |
+ |
if (screeningMethod .eq. DAMPED) then |
936 |
+ |
f0 = derfc(dampingAlpha*rij) |
937 |
+ |
varEXP = exp(-alpha2*rij*rij) |
938 |
+ |
f1 = alphaPi*rij*varEXP + f0 |
939 |
+ |
f2 = alphaPi*2.0d0*alpha2*varEXP |
940 |
+ |
f3 = f2*rij*rij*rij |
941 |
+ |
f4 = 2.0d0*alpha2*f3*rij*rij |
942 |
+ |
endif |
943 |
+ |
|
944 |
|
ct_ij = uz_i(1)*uz_j(1) + uz_i(2)*uz_j(2) + uz_i(3)*uz_j(3) |
945 |
|
|
946 |
|
ri2 = riji * riji |
949 |
|
|
950 |
|
pref = pre22 * mu_i * mu_j |
951 |
|
|
1002 |
– |
!!$ if (summationMethod .eq. SHIFTED_POTENTIAL) then |
1003 |
– |
!!$ a0 = ct_ij - 3.0d0 * ct_i * ct_j |
1004 |
– |
!!$ pot_term = ri3 - rcuti3 |
1005 |
– |
!!$ |
1006 |
– |
!!$ vterm = pref*pot_term*a0 |
1007 |
– |
!!$ vpair = vpair + vterm |
1008 |
– |
!!$ epot = epot + sw*vterm |
1009 |
– |
!!$ |
1010 |
– |
!!$ a1 = 5.0d0 * ct_i * ct_j - ct_ij |
1011 |
– |
!!$ |
1012 |
– |
!!$ dudx = dudx + sw*pref*3.0d0*ri4 & |
1013 |
– |
!!$ * (a1*xhat-ct_i*uz_j(1)-ct_j*uz_i(1)) |
1014 |
– |
!!$ dudy = dudy + sw*pref*3.0d0*ri4 & |
1015 |
– |
!!$ * (a1*yhat-ct_i*uz_j(2)-ct_j*uz_i(2)) |
1016 |
– |
!!$ dudz = dudz + sw*pref*3.0d0*ri4 & |
1017 |
– |
!!$ * (a1*zhat-ct_i*uz_j(3)-ct_j*uz_i(3)) |
1018 |
– |
!!$ |
1019 |
– |
!!$ duduz_i(1) = duduz_i(1) + sw*pref*( pot_term & |
1020 |
– |
!!$ * (uz_j(1) - 3.0d0*ct_j*xhat) ) |
1021 |
– |
!!$ duduz_i(2) = duduz_i(2) + sw*pref*( pot_term & |
1022 |
– |
!!$ * (uz_j(2) - 3.0d0*ct_j*yhat) ) |
1023 |
– |
!!$ duduz_i(3) = duduz_i(3) + sw*pref*( pot_term & |
1024 |
– |
!!$ * (uz_j(3) - 3.0d0*ct_j*zhat) ) |
1025 |
– |
!!$ duduz_j(1) = duduz_j(1) + sw*pref*( pot_term & |
1026 |
– |
!!$ * (uz_i(1) - 3.0d0*ct_i*xhat) ) |
1027 |
– |
!!$ duduz_j(2) = duduz_j(2) + sw*pref*( pot_term & |
1028 |
– |
!!$ * (uz_i(2) - 3.0d0*ct_i*yhat) ) |
1029 |
– |
!!$ duduz_j(3) = duduz_j(3) + sw*pref*( pot_term & |
1030 |
– |
!!$ * (uz_i(3) - 3.0d0*ct_i*zhat) ) |
1031 |
– |
!!$ |
1032 |
– |
!!$ elseif (summationMethod .eq. SHIFTED_FORCE) then |
1033 |
– |
!!$ a0 = ct_ij - 3.0d0 * ct_i * ct_j |
1034 |
– |
!!$ pot_term = ri3 - rcuti3 + 3.0d0*rcuti4*( rij - defaultCutoff ) |
1035 |
– |
!!$ |
1036 |
– |
!!$ vterm = pref*pot_term*a0 |
1037 |
– |
!!$ vpair = vpair + vterm |
1038 |
– |
!!$ epot = epot + sw*vterm |
1039 |
– |
!!$ |
1040 |
– |
!!$ a1 = 5.0d0 * ct_i * ct_j - ct_ij |
1041 |
– |
!!$ |
1042 |
– |
!!$ dudx = dudx + sw*pref*3.0d0*( ri4 - rcuti4 ) & |
1043 |
– |
!!$ * (a1*xhat-ct_i*uz_j(1)-ct_j*uz_i(1)) |
1044 |
– |
!!$ dudy = dudy + sw*pref*3.0d0*( ri4 - rcuti4 ) & |
1045 |
– |
!!$ * (a1*yhat-ct_i*uz_j(2)-ct_j*uz_i(2)) |
1046 |
– |
!!$ dudz = dudz + sw*pref*3.0d0*( ri4 - rcuti4 ) & |
1047 |
– |
!!$ * (a1*zhat-ct_i*uz_j(3)-ct_j*uz_i(3)) |
1048 |
– |
!!$ |
1049 |
– |
!!$ duduz_i(1) = duduz_i(1) + sw*pref*( pot_term & |
1050 |
– |
!!$ * (uz_j(1) - 3.0d0*ct_j*xhat) ) |
1051 |
– |
!!$ duduz_i(2) = duduz_i(2) + sw*pref*( pot_term & |
1052 |
– |
!!$ * (uz_j(2) - 3.0d0*ct_j*yhat) ) |
1053 |
– |
!!$ duduz_i(3) = duduz_i(3) + sw*pref*( pot_term & |
1054 |
– |
!!$ * (uz_j(3) - 3.0d0*ct_j*zhat) ) |
1055 |
– |
!!$ duduz_j(1) = duduz_j(1) + sw*pref*( pot_term & |
1056 |
– |
!!$ * (uz_i(1) - 3.0d0*ct_i*xhat) ) |
1057 |
– |
!!$ duduz_j(2) = duduz_j(2) + sw*pref*( pot_term & |
1058 |
– |
!!$ * (uz_i(2) - 3.0d0*ct_i*yhat) ) |
1059 |
– |
!!$ duduz_j(3) = duduz_j(3) + sw*pref*( pot_term & |
1060 |
– |
!!$ * (uz_i(3) - 3.0d0*ct_i*zhat) ) |
1061 |
– |
!!$ |
1062 |
– |
!!$ elseif (summationMethod .eq. REACTION_FIELD) then |
952 |
|
if (summationMethod .eq. REACTION_FIELD) then |
953 |
|
vterm = pref*( ri3*(ct_ij - 3.0d0 * ct_i * ct_j) - & |
954 |
|
preRF2*ct_ij ) |
980 |
|
else |
981 |
|
if (i_is_SplitDipole) then |
982 |
|
if (j_is_SplitDipole) then |
983 |
< |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i + 0.25_dp * d_j * d_j) |
983 |
> |
BigR = sqrt(r2 + 0.25d0 * d_i * d_i + 0.25d0 * d_j * d_j) |
984 |
|
else |
985 |
< |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i) |
985 |
> |
BigR = sqrt(r2 + 0.25d0 * d_i * d_i) |
986 |
|
endif |
987 |
< |
ri = 1.0_dp / BigR |
987 |
> |
ri = 1.0d0 / BigR |
988 |
|
scale = rij * ri |
989 |
|
else |
990 |
|
if (j_is_SplitDipole) then |
991 |
< |
BigR = sqrt(r2 + 0.25_dp * d_j * d_j) |
992 |
< |
ri = 1.0_dp / BigR |
991 |
> |
BigR = sqrt(r2 + 0.25d0 * d_j * d_j) |
992 |
> |
ri = 1.0d0 / BigR |
993 |
|
scale = rij * ri |
994 |
|
else |
995 |
|
ri = riji |
996 |
< |
scale = 1.0_dp |
996 |
> |
scale = 1.0d0 |
997 |
|
endif |
998 |
|
endif |
999 |
|
|
1000 |
|
sc2 = scale * scale |
1001 |
|
|
1002 |
< |
vterm = pref * ri3 * (ct_ij - 3.0d0 * ct_i * ct_j * sc2) |
1002 |
> |
pot_term = (ct_ij - 3.0d0 * ct_i * ct_j * sc2) |
1003 |
> |
vterm = pref * ( ri3*pot_term*f1 + (ct_i * ct_j)*f2 ) |
1004 |
|
vpair = vpair + vterm |
1005 |
|
epot = epot + sw*vterm |
1006 |
|
|
1007 |
< |
a1 = 5.0d0 * ct_i * ct_j * sc2 - ct_ij |
1007 |
> |
f13 = f1+f3 |
1008 |
> |
f134 = f13 + f4 |
1009 |
|
|
1010 |
< |
dudx = dudx + sw*pref*3.0d0*ri4*scale & |
1011 |
< |
*(a1*xhat-ct_i*uz_j(1)-ct_j*uz_i(1)) |
1012 |
< |
dudy = dudy + sw*pref*3.0d0*ri4*scale & |
1013 |
< |
*(a1*yhat-ct_i*uz_j(2)-ct_j*uz_i(2)) |
1014 |
< |
dudz = dudz + sw*pref*3.0d0*ri4*scale & |
1015 |
< |
*(a1*zhat-ct_i*uz_j(3)-ct_j*uz_i(3)) |
1016 |
< |
|
1017 |
< |
duduz_i(1) = duduz_i(1) + sw*pref*ri3 & |
1018 |
< |
*(uz_j(1) - 3.0d0*ct_j*xhat*sc2) |
1019 |
< |
duduz_i(2) = duduz_i(2) + sw*pref*ri3 & |
1020 |
< |
*(uz_j(2) - 3.0d0*ct_j*yhat*sc2) |
1021 |
< |
duduz_i(3) = duduz_i(3) + sw*pref*ri3 & |
1022 |
< |
*(uz_j(3) - 3.0d0*ct_j*zhat*sc2) |
1010 |
> |
!!$ dudx = dudx + sw*pref * ( ri4*scale*( & |
1011 |
> |
!!$ 3.0d0*(a1*xhat-ct_i*uz_j(1)-ct_j*uz_i(1))*f1 & |
1012 |
> |
!!$ - pot_term*f3) & |
1013 |
> |
!!$ + 2.0d0*ct_i*ct_j*xhat*(ct_i*uz_j(1)+ct_j*uz_i(1))*f3 & |
1014 |
> |
!!$ + (ct_i * ct_j)*f4 ) |
1015 |
> |
!!$ dudy = dudy + sw*pref * ( ri4*scale*( & |
1016 |
> |
!!$ 3.0d0*(a1*yhat-ct_i*uz_j(2)-ct_j*uz_i(2))*f1 & |
1017 |
> |
!!$ - pot_term*f3) & |
1018 |
> |
!!$ + 2.0d0*ct_i*ct_j*yhat*(ct_i*uz_j(2)+ct_j*uz_i(2))*f3 & |
1019 |
> |
!!$ + (ct_i * ct_j)*f4 ) |
1020 |
> |
!!$ dudz = dudz + sw*pref * ( ri4*scale*( & |
1021 |
> |
!!$ 3.0d0*(a1*zhat-ct_i*uz_j(3)-ct_j*uz_i(3))*f1 & |
1022 |
> |
!!$ - pot_term*f3) & |
1023 |
> |
!!$ + 2.0d0*ct_i*ct_j*zhat*(ct_i*uz_j(3)+ct_j*uz_i(3))*f3 & |
1024 |
> |
!!$ + (ct_i * ct_j)*f4 ) |
1025 |
> |
|
1026 |
> |
dudx = dudx + sw*pref * ( ri4*scale*( & |
1027 |
> |
15.0d0*(ct_i * ct_j * sc2)*xhat*f134 - & |
1028 |
> |
3.0d0*(ct_i*uz_j(1) + ct_j*uz_i(1) + ct_ij*xhat)*f134) ) |
1029 |
> |
dudy = dudy + sw*pref * ( ri4*scale*( & |
1030 |
> |
15.0d0*(ct_i * ct_j * sc2)*yhat*f134 - & |
1031 |
> |
3.0d0*(ct_i*uz_j(2) + ct_j*uz_i(2) + ct_ij*yhat)*f134) ) |
1032 |
> |
dudz = dudz + sw*pref * ( ri4*scale*( & |
1033 |
> |
15.0d0*(ct_i * ct_j * sc2)*zhat*f134 - & |
1034 |
> |
3.0d0*(ct_i*uz_j(3) + ct_j*uz_i(3) + ct_ij*zhat)*f134) ) |
1035 |
|
|
1036 |
< |
duduz_j(1) = duduz_j(1) + sw*pref*ri3 & |
1037 |
< |
*(uz_i(1) - 3.0d0*ct_i*xhat*sc2) |
1038 |
< |
duduz_j(2) = duduz_j(2) + sw*pref*ri3 & |
1039 |
< |
*(uz_i(2) - 3.0d0*ct_i*yhat*sc2) |
1040 |
< |
duduz_j(3) = duduz_j(3) + sw*pref*ri3 & |
1041 |
< |
*(uz_i(3) - 3.0d0*ct_i*zhat*sc2) |
1036 |
> |
duduz_i(1) = duduz_i(1) + sw*pref * & |
1037 |
> |
( ri3*(uz_j(1) - 3.0d0*ct_j*xhat*sc2)*f1 + (ct_j*xhat)*f2 ) |
1038 |
> |
duduz_i(2) = duduz_i(2) + sw*pref * & |
1039 |
> |
( ri3*(uz_j(2) - 3.0d0*ct_j*yhat*sc2)*f1 + (ct_j*yhat)*f2 ) |
1040 |
> |
duduz_i(3) = duduz_i(3) + sw*pref * & |
1041 |
> |
( ri3*(uz_j(3) - 3.0d0*ct_j*zhat*sc2)*f1 + (ct_j*zhat)*f2 ) |
1042 |
> |
|
1043 |
> |
duduz_j(1) = duduz_j(1) + sw*pref * & |
1044 |
> |
( ri3*(uz_i(1) - 3.0d0*ct_i*xhat*sc2)*f1 + (ct_i*xhat)*f2 ) |
1045 |
> |
duduz_j(2) = duduz_j(2) + sw*pref * & |
1046 |
> |
( ri3*(uz_i(2) - 3.0d0*ct_i*yhat*sc2)*f1 + (ct_i*yhat)*f2 ) |
1047 |
> |
duduz_j(3) = duduz_j(3) + sw*pref * & |
1048 |
> |
( ri3*(uz_i(3) - 3.0d0*ct_i*zhat*sc2)*f1 + (ct_i*zhat)*f2 ) |
1049 |
|
endif |
1050 |
|
endif |
1051 |
|
endif |
1052 |
|
|
1053 |
|
if (i_is_Quadrupole) then |
1054 |
|
if (j_is_Charge) then |
1055 |
+ |
if (screeningMethod .eq. DAMPED) then |
1056 |
+ |
f0 = derfc(dampingAlpha*rij) |
1057 |
+ |
varEXP = exp(-alpha2*rij*rij) |
1058 |
+ |
f1 = alphaPi*rij*varEXP + f0 |
1059 |
+ |
f2 = alphaPi*2.0d0*alpha2*varEXP |
1060 |
+ |
f3 = f2*rij*rij*rij |
1061 |
+ |
f4 = 2.0d0*alpha2*f2*rij |
1062 |
+ |
endif |
1063 |
|
|
1064 |
|
ri2 = riji * riji |
1065 |
|
ri3 = ri2 * riji |
1068 |
|
cy2 = cy_i * cy_i |
1069 |
|
cz2 = cz_i * cz_i |
1070 |
|
|
1071 |
< |
!!$ if (summationMethod .eq. UNDAMPED_WOLF) then |
1072 |
< |
!!$ pref = pre14 * q_j / 3.0_dp |
1073 |
< |
!!$ vterm1 = pref * ri3*( qxx_i * (3.0_dp*cx2 - 1.0_dp) + & |
1074 |
< |
!!$ qyy_i * (3.0_dp*cy2 - 1.0_dp) + & |
1075 |
< |
!!$ qzz_i * (3.0_dp*cz2 - 1.0_dp) ) |
1076 |
< |
!!$ vterm2 = pref * rcuti3*( qxx_i * (3.0_dp*cx2 - 1.0_dp) + & |
1077 |
< |
!!$ qyy_i * (3.0_dp*cy2 - 1.0_dp) + & |
1078 |
< |
!!$ qzz_i * (3.0_dp*cz2 - 1.0_dp) ) |
1079 |
< |
!!$ vpair = vpair + ( vterm1 - vterm2 ) |
1080 |
< |
!!$ epot = epot + sw*( vterm1 - vterm2 ) |
1081 |
< |
!!$ |
1082 |
< |
!!$ dudx = dudx - sw*(5.0_dp*(vterm1*riji*xhat-vterm2*rcuti2*d(1))) +& |
1083 |
< |
!!$ sw*pref * ( (ri4 - rcuti4)*(qxx_i*(6.0_dp*cx_i*ux_i(1)) - & |
1084 |
< |
!!$ qxx_i*2.0_dp*(xhat - rcuti*d(1))) + & |
1085 |
< |
!!$ (ri4 - rcuti4)*(qyy_i*(6.0_dp*cy_i*uy_i(1)) - & |
1086 |
< |
!!$ qyy_i*2.0_dp*(xhat - rcuti*d(1))) + & |
1087 |
< |
!!$ (ri4 - rcuti4)*(qzz_i*(6.0_dp*cz_i*uz_i(1)) - & |
1088 |
< |
!!$ qzz_i*2.0_dp*(xhat - rcuti*d(1))) ) |
1089 |
< |
!!$ dudy = dudy - sw*(5.0_dp*(vterm1*riji*yhat-vterm2*rcuti2*d(2))) +& |
1090 |
< |
!!$ sw*pref * ( (ri4 - rcuti4)*(qxx_i*(6.0_dp*cx_i*ux_i(2)) - & |
1091 |
< |
!!$ qxx_i*2.0_dp*(yhat - rcuti*d(2))) + & |
1092 |
< |
!!$ (ri4 - rcuti4)*(qyy_i*(6.0_dp*cy_i*uy_i(2)) - & |
1093 |
< |
!!$ qyy_i*2.0_dp*(yhat - rcuti*d(2))) + & |
1094 |
< |
!!$ (ri4 - rcuti4)*(qzz_i*(6.0_dp*cz_i*uz_i(2)) - & |
1095 |
< |
!!$ qzz_i*2.0_dp*(yhat - rcuti*d(2))) ) |
1096 |
< |
!!$ dudz = dudz - sw*(5.0_dp*(vterm1*riji*zhat-vterm2*rcuti2*d(3))) +& |
1097 |
< |
!!$ sw*pref * ( (ri4 - rcuti4)*(qxx_i*(6.0_dp*cx_i*ux_i(3)) - & |
1098 |
< |
!!$ qxx_i*2.0_dp*(zhat - rcuti*d(3))) + & |
1099 |
< |
!!$ (ri4 - rcuti4)*(qyy_i*(6.0_dp*cy_i*uy_i(3)) - & |
1100 |
< |
!!$ qyy_i*2.0_dp*(zhat - rcuti*d(3))) + & |
1101 |
< |
!!$ (ri4 - rcuti4)*(qzz_i*(6.0_dp*cz_i*uz_i(3)) - & |
1102 |
< |
!!$ qzz_i*2.0_dp*(zhat - rcuti*d(3))) ) |
1103 |
< |
!!$ |
1104 |
< |
!!$ dudux_i(1) = dudux_i(1) + sw*pref*(ri3*(qxx_i*6.0_dp*cx_i*xhat) -& |
1105 |
< |
!!$ rcuti4*(qxx_i*6.0_dp*cx_i*d(1))) |
1106 |
< |
!!$ dudux_i(2) = dudux_i(2) + sw*pref*(ri3*(qxx_i*6.0_dp*cx_i*yhat) -& |
1107 |
< |
!!$ rcuti4*(qxx_i*6.0_dp*cx_i*d(2))) |
1108 |
< |
!!$ dudux_i(3) = dudux_i(3) + sw*pref*(ri3*(qxx_i*6.0_dp*cx_i*zhat) -& |
1109 |
< |
!!$ rcuti4*(qxx_i*6.0_dp*cx_i*d(3))) |
1110 |
< |
!!$ |
1111 |
< |
!!$ duduy_i(1) = duduy_i(1) + sw*pref*(ri3*(qyy_i*6.0_dp*cy_i*xhat) -& |
1112 |
< |
!!$ rcuti4*(qyy_i*6.0_dp*cx_i*d(1))) |
1113 |
< |
!!$ duduy_i(2) = duduy_i(2) + sw*pref*(ri3*(qyy_i*6.0_dp*cy_i*yhat) -& |
1114 |
< |
!!$ rcuti4*(qyy_i*6.0_dp*cx_i*d(2))) |
1115 |
< |
!!$ duduy_i(3) = duduy_i(3) + sw*pref*(ri3*(qyy_i*6.0_dp*cy_i*zhat) -& |
1116 |
< |
!!$ rcuti4*(qyy_i*6.0_dp*cx_i*d(3))) |
1117 |
< |
!!$ |
1118 |
< |
!!$ duduz_i(1) = duduz_i(1) + sw*pref*(ri3*(qzz_i*6.0_dp*cz_i*xhat) -& |
1201 |
< |
!!$ rcuti4*(qzz_i*6.0_dp*cx_i*d(1))) |
1202 |
< |
!!$ duduz_i(2) = duduz_i(2) + sw*pref*(ri3*(qzz_i*6.0_dp*cz_i*yhat) -& |
1203 |
< |
!!$ rcuti4*(qzz_i*6.0_dp*cx_i*d(2))) |
1204 |
< |
!!$ duduz_i(3) = duduz_i(3) + sw*pref*(ri3*(qzz_i*6.0_dp*cz_i*zhat) -& |
1205 |
< |
!!$ rcuti4*(qzz_i*6.0_dp*cx_i*d(3))) |
1206 |
< |
!!$ |
1207 |
< |
!!$ else |
1208 |
< |
pref = pre14 * q_j / 3.0_dp |
1209 |
< |
vterm = pref * ri3 * (qxx_i * (3.0_dp*cx2 - 1.0_dp) + & |
1210 |
< |
qyy_i * (3.0_dp*cy2 - 1.0_dp) + & |
1211 |
< |
qzz_i * (3.0_dp*cz2 - 1.0_dp)) |
1212 |
< |
vpair = vpair + vterm |
1213 |
< |
epot = epot + sw*vterm |
1214 |
< |
|
1215 |
< |
dudx = dudx - 5.0_dp*sw*vterm*riji*xhat + sw*pref*ri4 * ( & |
1216 |
< |
qxx_i*(6.0_dp*cx_i*ux_i(1) - 2.0_dp*xhat) + & |
1217 |
< |
qyy_i*(6.0_dp*cy_i*uy_i(1) - 2.0_dp*xhat) + & |
1218 |
< |
qzz_i*(6.0_dp*cz_i*uz_i(1) - 2.0_dp*xhat) ) |
1219 |
< |
dudy = dudy - 5.0_dp*sw*vterm*riji*yhat + sw*pref*ri4 * ( & |
1220 |
< |
qxx_i*(6.0_dp*cx_i*ux_i(2) - 2.0_dp*yhat) + & |
1221 |
< |
qyy_i*(6.0_dp*cy_i*uy_i(2) - 2.0_dp*yhat) + & |
1222 |
< |
qzz_i*(6.0_dp*cz_i*uz_i(2) - 2.0_dp*yhat) ) |
1223 |
< |
dudz = dudz - 5.0_dp*sw*vterm*riji*zhat + sw*pref*ri4 * ( & |
1224 |
< |
qxx_i*(6.0_dp*cx_i*ux_i(3) - 2.0_dp*zhat) + & |
1225 |
< |
qyy_i*(6.0_dp*cy_i*uy_i(3) - 2.0_dp*zhat) + & |
1226 |
< |
qzz_i*(6.0_dp*cz_i*uz_i(3) - 2.0_dp*zhat) ) |
1227 |
< |
|
1228 |
< |
dudux_i(1) = dudux_i(1) + sw*pref*ri3*(qxx_i*6.0_dp*cx_i*xhat) |
1229 |
< |
dudux_i(2) = dudux_i(2) + sw*pref*ri3*(qxx_i*6.0_dp*cx_i*yhat) |
1230 |
< |
dudux_i(3) = dudux_i(3) + sw*pref*ri3*(qxx_i*6.0_dp*cx_i*zhat) |
1231 |
< |
|
1232 |
< |
duduy_i(1) = duduy_i(1) + sw*pref*ri3*(qyy_i*6.0_dp*cy_i*xhat) |
1233 |
< |
duduy_i(2) = duduy_i(2) + sw*pref*ri3*(qyy_i*6.0_dp*cy_i*yhat) |
1234 |
< |
duduy_i(3) = duduy_i(3) + sw*pref*ri3*(qyy_i*6.0_dp*cy_i*zhat) |
1235 |
< |
|
1236 |
< |
duduz_i(1) = duduz_i(1) + sw*pref*ri3*(qzz_i*6.0_dp*cz_i*xhat) |
1237 |
< |
duduz_i(2) = duduz_i(2) + sw*pref*ri3*(qzz_i*6.0_dp*cz_i*yhat) |
1238 |
< |
duduz_i(3) = duduz_i(3) + sw*pref*ri3*(qzz_i*6.0_dp*cz_i*zhat) |
1239 |
< |
!!$ endif |
1071 |
> |
pref = pre14 * q_j / 3.0d0 |
1072 |
> |
pot_term = ri3 * (qxx_i * (3.0d0*cx2 - 1.0d0) + & |
1073 |
> |
qyy_i * (3.0d0*cy2 - 1.0d0) + & |
1074 |
> |
qzz_i * (3.0d0*cz2 - 1.0d0)) |
1075 |
> |
vterm = pref * (pot_term*f1 + (qxx_i*cx2 + qyy_i*cy2 + qzz_i*cz2)*f2) |
1076 |
> |
vpair = vpair + vterm |
1077 |
> |
epot = epot + sw*vterm |
1078 |
> |
|
1079 |
> |
dudx = dudx - sw*pref*pot_term*riji*xhat*(5.0d0*f1 + f3) + & |
1080 |
> |
sw*pref*ri4 * ( & |
1081 |
> |
qxx_i*(2.0d0*cx_i*ux_i(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) + & |
1082 |
> |
qyy_i*(2.0d0*cy_i*uy_i(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) + & |
1083 |
> |
qzz_i*(2.0d0*cz_i*uz_i(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) ) & |
1084 |
> |
+ (qxx_i*cx2 + qyy_i*cy2 + qzz_i*cz2)*f4 |
1085 |
> |
dudy = dudy - sw*pref*pot_term*riji*yhat*(5.0d0*f1 + f3) + & |
1086 |
> |
sw*pref*ri4 * ( & |
1087 |
> |
qxx_i*(2.0d0*cx_i*ux_i(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) + & |
1088 |
> |
qyy_i*(2.0d0*cy_i*uy_i(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) + & |
1089 |
> |
qzz_i*(2.0d0*cz_i*uz_i(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) ) & |
1090 |
> |
+ (qxx_i*cx2 + qyy_i*cy2 + qzz_i*cz2)*f4 |
1091 |
> |
dudz = dudz - sw*pref*pot_term*riji*zhat*(5.0d0*f1 + f3) + & |
1092 |
> |
sw*pref*ri4 * ( & |
1093 |
> |
qxx_i*(2.0d0*cx_i*ux_i(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) + & |
1094 |
> |
qyy_i*(2.0d0*cy_i*uy_i(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) + & |
1095 |
> |
qzz_i*(2.0d0*cz_i*uz_i(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) ) & |
1096 |
> |
+ (qxx_i*cx2 + qyy_i*cy2 + qzz_i*cz2)*f4 |
1097 |
> |
|
1098 |
> |
dudux_i(1) = dudux_i(1) + sw*pref*( ri3*(qxx_i*2.0d0*cx_i*xhat) & |
1099 |
> |
* (3.0d0*f1 + f3) ) |
1100 |
> |
dudux_i(2) = dudux_i(2) + sw*pref*( ri3*(qxx_i*2.0d0*cx_i*yhat) & |
1101 |
> |
* (3.0d0*f1 + f3) ) |
1102 |
> |
dudux_i(3) = dudux_i(3) + sw*pref*( ri3*(qxx_i*2.0d0*cx_i*zhat) & |
1103 |
> |
* (3.0d0*f1 + f3) ) |
1104 |
> |
|
1105 |
> |
duduy_i(1) = duduy_i(1) + sw*pref*( ri3*(qyy_i*2.0d0*cy_i*xhat) & |
1106 |
> |
* (3.0d0*f1 + f3) ) |
1107 |
> |
duduy_i(2) = duduy_i(2) + sw*pref*( ri3*(qyy_i*2.0d0*cy_i*yhat) & |
1108 |
> |
* (3.0d0*f1 + f3) ) |
1109 |
> |
duduy_i(3) = duduy_i(3) + sw*pref*( ri3*(qyy_i*2.0d0*cy_i*zhat) & |
1110 |
> |
* (3.0d0*f1 + f3) ) |
1111 |
> |
|
1112 |
> |
duduz_i(1) = duduz_i(1) + sw*pref*( ri3*(qzz_i*2.0d0*cz_i*xhat) & |
1113 |
> |
* (3.0d0*f1 + f3) ) |
1114 |
> |
duduz_i(2) = duduz_i(2) + sw*pref*( ri3*(qzz_i*2.0d0*cz_i*yhat) & |
1115 |
> |
* (3.0d0*f1 + f3) ) |
1116 |
> |
duduz_i(3) = duduz_i(3) + sw*pref*( ri3*(qzz_i*2.0d0*cz_i*zhat) & |
1117 |
> |
* (3.0d0*f1 + f3) ) |
1118 |
> |
|
1119 |
|
endif |
1120 |
|
endif |
1121 |
|
|
1276 |
|
|
1277 |
|
endif |
1278 |
|
|
1279 |
< |
elseif (summationMethod .eq. SHIFTED_FORCE) then |
1279 |
> |
elseif ( (summationMethod .eq. SHIFTED_FORCE) .or. & |
1280 |
> |
(summationMethod .eq. SHIFTED_POTENTIAL) ) then |
1281 |
|
if (ElectrostaticMap(atid1)%is_Charge) then |
1282 |
|
c1 = getCharge(atid1) |
1283 |
|
|
1284 |
|
if (screeningMethod .eq. DAMPED) then |
1285 |
< |
mypot = mypot - (f0c * rcuti * 0.5_dp + & |
1285 |
> |
mypot = mypot - (f0c * rcuti * 0.5d0 + & |
1286 |
|
dampingAlpha*invRootPi) * c1 * c1 |
1287 |
|
|
1288 |
|
else |
1289 |
< |
mypot = mypot - (rcuti * 0.5_dp * c1 * c1) |
1289 |
> |
mypot = mypot - (rcuti * 0.5d0 * c1 * c1) |
1290 |
|
|
1291 |
|
endif |
1292 |
|
endif |