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 |
+ |
real(kind=dp), parameter :: zero = 0.0d0 |
80 |
+ |
|
81 |
|
!! variables to handle different summation methods for long-range |
82 |
|
!! electrostatics: |
83 |
|
integer, save :: summationMethod = NONE |
106 |
|
real(kind=dp), save :: f0 = 1.0_DP |
107 |
|
real(kind=dp), save :: f1 = 1.0_DP |
108 |
|
real(kind=dp), save :: f2 = 0.0_DP |
109 |
+ |
real(kind=dp), save :: f3 = 0.0_DP |
110 |
+ |
real(kind=dp), save :: f4 = 0.0_DP |
111 |
|
real(kind=dp), save :: f0c = 1.0_DP |
112 |
|
real(kind=dp), save :: f1c = 1.0_DP |
113 |
|
real(kind=dp), save :: f2c = 0.0_DP |
114 |
+ |
real(kind=dp), save :: f3c = 0.0_DP |
115 |
+ |
real(kind=dp), save :: f4c = 0.0_DP |
116 |
|
|
117 |
< |
#ifdef __IFC |
117 |
> |
#if defined(__IFC) || defined(__PGI) |
118 |
|
! error function for ifc version > 7. |
119 |
|
double precision, external :: derfc |
120 |
|
#endif |
124 |
|
public :: setElectrostaticCutoffRadius |
125 |
|
public :: setDampingAlpha |
126 |
|
public :: setReactionFieldDielectric |
127 |
+ |
public :: buildElectroSplines |
128 |
|
public :: newElectrostaticType |
129 |
|
public :: setCharge |
130 |
|
public :: setDipoleMoment |
137 |
|
public :: self_self |
138 |
|
public :: rf_self_excludes |
139 |
|
|
140 |
+ |
|
141 |
|
type :: Electrostatic |
142 |
|
integer :: c_ident |
143 |
|
logical :: is_Charge = .false. |
153 |
|
|
154 |
|
type(Electrostatic), dimension(:), allocatable :: ElectrostaticMap |
155 |
|
|
156 |
+ |
logical, save :: hasElectrostaticMap |
157 |
+ |
|
158 |
|
contains |
159 |
|
|
160 |
|
subroutine setElectrostaticSummationMethod(the_ESM) |
177 |
|
real(kind=dp), intent(in) :: thisRcut |
178 |
|
real(kind=dp), intent(in) :: thisRsw |
179 |
|
defaultCutoff = thisRcut |
180 |
+ |
defaultCutoff2 = defaultCutoff*defaultCutoff |
181 |
|
rrf = defaultCutoff |
182 |
|
rt = thisRsw |
183 |
|
haveDefaultCutoff = .true. |
196 |
|
haveDielectric = .true. |
197 |
|
end subroutine setReactionFieldDielectric |
198 |
|
|
199 |
+ |
subroutine buildElectroSplines() |
200 |
+ |
end subroutine buildElectroSplines |
201 |
+ |
|
202 |
|
subroutine newElectrostaticType(c_ident, is_Charge, is_Dipole, & |
203 |
|
is_SplitDipole, is_Quadrupole, is_Tap, status) |
204 |
|
|
226 |
|
return |
227 |
|
end if |
228 |
|
|
229 |
< |
if (.not. allocated(ElectrostaticMap)) then |
215 |
< |
allocate(ElectrostaticMap(nAtypes)) |
216 |
< |
endif |
229 |
> |
allocate(ElectrostaticMap(nAtypes)) |
230 |
|
|
231 |
|
end if |
232 |
|
|
244 |
|
ElectrostaticMap(myATID)%is_Quadrupole = is_Quadrupole |
245 |
|
ElectrostaticMap(myATID)%is_Tap = is_Tap |
246 |
|
|
247 |
+ |
hasElectrostaticMap = .true. |
248 |
+ |
|
249 |
|
end subroutine newElectrostaticType |
250 |
|
|
251 |
|
subroutine setCharge(c_ident, charge, status) |
257 |
|
status = 0 |
258 |
|
myATID = getFirstMatchingElement(atypes, "c_ident", c_ident) |
259 |
|
|
260 |
< |
if (.not.allocated(ElectrostaticMap)) then |
260 |
> |
if (.not.hasElectrostaticMap) then |
261 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of setCharge!") |
262 |
|
status = -1 |
263 |
|
return |
287 |
|
status = 0 |
288 |
|
myATID = getFirstMatchingElement(atypes, "c_ident", c_ident) |
289 |
|
|
290 |
< |
if (.not.allocated(ElectrostaticMap)) then |
290 |
> |
if (.not.hasElectrostaticMap) then |
291 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of setDipoleMoment!") |
292 |
|
status = -1 |
293 |
|
return |
317 |
|
status = 0 |
318 |
|
myATID = getFirstMatchingElement(atypes, "c_ident", c_ident) |
319 |
|
|
320 |
< |
if (.not.allocated(ElectrostaticMap)) then |
320 |
> |
if (.not.hasElectrostaticMap) then |
321 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of setSplitDipoleDistance!") |
322 |
|
status = -1 |
323 |
|
return |
347 |
|
status = 0 |
348 |
|
myATID = getFirstMatchingElement(atypes, "c_ident", c_ident) |
349 |
|
|
350 |
< |
if (.not.allocated(ElectrostaticMap)) then |
350 |
> |
if (.not.hasElectrostaticMap) then |
351 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of setQuadrupoleMoments!") |
352 |
|
status = -1 |
353 |
|
return |
378 |
|
integer :: localError |
379 |
|
real(kind=dp) :: c |
380 |
|
|
381 |
< |
if (.not.allocated(ElectrostaticMap)) then |
381 |
> |
if (.not.hasElectrostaticMap) then |
382 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of getCharge!") |
383 |
|
return |
384 |
|
end if |
396 |
|
integer :: localError |
397 |
|
real(kind=dp) :: dm |
398 |
|
|
399 |
< |
if (.not.allocated(ElectrostaticMap)) then |
399 |
> |
if (.not.hasElectrostaticMap) then |
400 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of getDipoleMoment!") |
401 |
|
return |
402 |
|
end if |
429 |
|
call handleError("checkSummationMethod", "no Default Cutoff set!") |
430 |
|
endif |
431 |
|
|
432 |
< |
constEXP = exp(-alpha2*defaultCutoff*defaultCutoff) |
432 |
> |
constEXP = exp(-alpha2*defaultCutoff2) |
433 |
|
invRootPi = 0.56418958354775628695d0 |
434 |
|
alphaPi = 2.0d0*dampingAlpha*invRootPi |
435 |
|
f0c = derfc(dampingAlpha*defaultCutoff) |
436 |
|
f1c = alphaPi*defaultCutoff*constEXP + f0c |
437 |
< |
f2c = alphaPi*2.0d0*alpha2*constEXP*rcuti2 |
438 |
< |
|
437 |
> |
f2c = alphaPi*2.0d0*alpha2*constEXP |
438 |
> |
f3c = alphaPi*2.0d0*alpha2*constEXP*defaultCutoff2*defaultCutoff |
439 |
|
endif |
440 |
|
|
441 |
|
if (summationMethod .eq. REACTION_FIELD) then |
454 |
|
end subroutine checkSummationMethod |
455 |
|
|
456 |
|
|
457 |
< |
subroutine doElectrostaticPair(atom1, atom2, d, rij, r2, sw, & |
457 |
> |
subroutine doElectrostaticPair(atom1, atom2, d, rij, r2, rcut, sw, & |
458 |
|
vpair, fpair, pot, eFrame, f, t, do_pot) |
459 |
|
|
460 |
|
logical, intent(in) :: do_pot |
462 |
|
integer, intent(in) :: atom1, atom2 |
463 |
|
integer :: localError |
464 |
|
|
465 |
< |
real(kind=dp), intent(in) :: rij, r2, sw |
465 |
> |
real(kind=dp), intent(in) :: rij, r2, sw, rcut |
466 |
|
real(kind=dp), intent(in), dimension(3) :: d |
467 |
|
real(kind=dp), intent(inout) :: vpair |
468 |
|
real(kind=dp), intent(inout), dimension(3) :: fpair |
497 |
|
real (kind=dp) :: varEXP |
498 |
|
real (kind=dp) :: pot_term |
499 |
|
real (kind=dp) :: preVal, rfVal |
500 |
< |
|
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 |
500 |
> |
real (kind=dp) :: f13, f134 |
501 |
|
|
502 |
|
if (.not.summationMethodChecked) then |
503 |
|
call checkSummationMethod() |
511 |
|
me2 = atid(atom2) |
512 |
|
#endif |
513 |
|
|
503 |
– |
!!$ if (rij .ge. defaultCutoff) then |
504 |
– |
!!$ write(*,*) 'warning: rij = ', rij, ' rcut = ', defaultCutoff, ' sw = ', sw |
505 |
– |
!!$ endif |
506 |
– |
|
514 |
|
!! some variables we'll need independent of electrostatic type: |
515 |
|
|
516 |
|
riji = 1.0d0 / rij |
552 |
|
if (i_is_SplitDipole) then |
553 |
|
d_i = ElectrostaticMap(me1)%split_dipole_distance |
554 |
|
endif |
555 |
< |
|
555 |
> |
duduz_i = zero |
556 |
|
endif |
557 |
|
|
558 |
|
if (i_is_Quadrupole) then |
583 |
|
cx_i = ux_i(1)*xhat + ux_i(2)*yhat + ux_i(3)*zhat |
584 |
|
cy_i = uy_i(1)*xhat + uy_i(2)*yhat + uy_i(3)*zhat |
585 |
|
cz_i = uz_i(1)*xhat + uz_i(2)*yhat + uz_i(3)*zhat |
586 |
+ |
dudux_i = zero |
587 |
+ |
duduy_i = zero |
588 |
+ |
duduz_i = zero |
589 |
|
endif |
590 |
|
|
591 |
|
if (j_is_Charge) then |
608 |
|
if (j_is_SplitDipole) then |
609 |
|
d_j = ElectrostaticMap(me2)%split_dipole_distance |
610 |
|
endif |
611 |
+ |
duduz_j = zero |
612 |
|
endif |
613 |
|
|
614 |
|
if (j_is_Quadrupole) then |
639 |
|
cx_j = ux_j(1)*xhat + ux_j(2)*yhat + ux_j(3)*zhat |
640 |
|
cy_j = uy_j(1)*xhat + uy_j(2)*yhat + uy_j(3)*zhat |
641 |
|
cz_j = uz_j(1)*xhat + uz_j(2)*yhat + uz_j(3)*zhat |
642 |
+ |
dudux_j = zero |
643 |
+ |
duduy_j = zero |
644 |
+ |
duduz_j = zero |
645 |
|
endif |
646 |
|
|
647 |
< |
epot = 0.0_dp |
648 |
< |
dudx = 0.0_dp |
649 |
< |
dudy = 0.0_dp |
650 |
< |
dudz = 0.0_dp |
647 |
> |
epot = zero |
648 |
> |
dudx = zero |
649 |
> |
dudy = zero |
650 |
> |
dudz = zero |
651 |
|
|
638 |
– |
dudux_i = 0.0_dp |
639 |
– |
duduy_i = 0.0_dp |
640 |
– |
duduz_i = 0.0_dp |
641 |
– |
|
642 |
– |
dudux_j = 0.0_dp |
643 |
– |
duduy_j = 0.0_dp |
644 |
– |
duduz_j = 0.0_dp |
645 |
– |
|
652 |
|
if (i_is_Charge) then |
653 |
|
|
654 |
|
if (j_is_Charge) then |
694 |
|
endif |
695 |
|
|
696 |
|
if (j_is_Dipole) then |
697 |
+ |
if (screeningMethod .eq. DAMPED) then |
698 |
+ |
f0 = derfc(dampingAlpha*rij) |
699 |
+ |
varEXP = exp(-alpha2*rij*rij) |
700 |
+ |
f1 = alphaPi*rij*varEXP + f0 |
701 |
+ |
f3 = alphaPi*2.0d0*alpha2*varEXP*rij*rij*rij |
702 |
+ |
endif |
703 |
|
|
704 |
|
pref = pre12 * q_i * mu_j |
705 |
|
|
727 |
|
|
728 |
|
else |
729 |
|
if (j_is_SplitDipole) then |
730 |
< |
BigR = sqrt(r2 + 0.25_dp * d_j * d_j) |
731 |
< |
ri = 1.0_dp / BigR |
730 |
> |
BigR = sqrt(r2 + 0.25d0 * d_j * d_j) |
731 |
> |
ri = 1.0d0 / BigR |
732 |
|
scale = rij * ri |
733 |
|
else |
734 |
|
ri = riji |
735 |
< |
scale = 1.0_dp |
735 |
> |
scale = 1.0d0 |
736 |
|
endif |
737 |
|
|
738 |
|
ri2 = ri * ri |
739 |
|
ri3 = ri2 * ri |
740 |
|
sc2 = scale * scale |
741 |
|
|
742 |
< |
vterm = - pref * ct_j * ri2 * scale |
742 |
> |
pot_term = ri2 * scale * f1 |
743 |
> |
vterm = - pref * ct_j * pot_term |
744 |
|
vpair = vpair + vterm |
745 |
|
epot = epot + sw*vterm |
746 |
|
|
748 |
|
!! r_j - r_i and the charge-dipole potential takes the origin |
749 |
|
!! as the point dipole, which is atom j in this case. |
750 |
|
|
751 |
< |
dudx = dudx - sw*pref * ri3 * ( uz_j(1) - 3.0d0*ct_j*xhat*sc2) |
752 |
< |
dudy = dudy - sw*pref * ri3 * ( uz_j(2) - 3.0d0*ct_j*yhat*sc2) |
753 |
< |
dudz = dudz - sw*pref * ri3 * ( uz_j(3) - 3.0d0*ct_j*zhat*sc2) |
754 |
< |
|
755 |
< |
duduz_j(1) = duduz_j(1) - sw*pref * ri2 * xhat * scale |
756 |
< |
duduz_j(2) = duduz_j(2) - sw*pref * ri2 * yhat * scale |
757 |
< |
duduz_j(3) = duduz_j(3) - sw*pref * ri2 * zhat * scale |
751 |
> |
dudx = dudx - sw*pref * ri3 * ( uz_j(1)*f1 - & |
752 |
> |
ct_j*xhat*sc2*( 3.0d0*f1 + f3 ) ) |
753 |
> |
dudy = dudy - sw*pref * ri3 * ( uz_j(2)*f1 - & |
754 |
> |
ct_j*yhat*sc2*( 3.0d0*f1 + f3 ) ) |
755 |
> |
dudz = dudz - sw*pref * ri3 * ( uz_j(3)*f1 - & |
756 |
> |
ct_j*zhat*sc2*( 3.0d0*f1 + f3 ) ) |
757 |
> |
|
758 |
> |
duduz_j(1) = duduz_j(1) - sw*pref * pot_term * xhat |
759 |
> |
duduz_j(2) = duduz_j(2) - sw*pref * pot_term * yhat |
760 |
> |
duduz_j(3) = duduz_j(3) - sw*pref * pot_term * zhat |
761 |
|
|
762 |
|
endif |
763 |
|
endif |
764 |
|
|
765 |
|
if (j_is_Quadrupole) then |
766 |
+ |
if (screeningMethod .eq. DAMPED) then |
767 |
+ |
f0 = derfc(dampingAlpha*rij) |
768 |
+ |
varEXP = exp(-alpha2*rij*rij) |
769 |
+ |
f1 = alphaPi*rij*varEXP + f0 |
770 |
+ |
f2 = alphaPi*2.0d0*alpha2*varEXP |
771 |
+ |
f3 = f2*rij*rij*rij |
772 |
+ |
f4 = 2.0d0*alpha2*f2*rij |
773 |
+ |
endif |
774 |
+ |
|
775 |
|
ri2 = riji * riji |
776 |
|
ri3 = ri2 * riji |
777 |
|
ri4 = ri2 * ri2 |
779 |
|
cy2 = cy_j * cy_j |
780 |
|
cz2 = cz_j * cz_j |
781 |
|
|
782 |
< |
pref = pre14 * q_i / 3.0_dp |
783 |
< |
vterm = 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)) |
782 |
> |
pref = pre14 * q_i / 3.0d0 |
783 |
> |
pot_term = ri3*(qxx_j * (3.0d0*cx2 - 1.0d0) + & |
784 |
> |
qyy_j * (3.0d0*cy2 - 1.0d0) + & |
785 |
> |
qzz_j * (3.0d0*cz2 - 1.0d0)) |
786 |
> |
vterm = pref * (pot_term*f1 + (qxx_j*cx2 + qyy_j*cy2 + qzz_j*cz2)*f2) |
787 |
|
vpair = vpair + vterm |
788 |
|
epot = epot + sw*vterm |
789 |
|
|
790 |
< |
dudx = dudx - 5.0_dp*sw*vterm*riji*xhat + sw*pref * ri4 * ( & |
791 |
< |
qxx_j*(6.0_dp*cx_j*ux_j(1) - 2.0_dp*xhat) + & |
792 |
< |
qyy_j*(6.0_dp*cy_j*uy_j(1) - 2.0_dp*xhat) + & |
793 |
< |
qzz_j*(6.0_dp*cz_j*uz_j(1) - 2.0_dp*xhat) ) |
794 |
< |
dudy = dudy - 5.0_dp*sw*vterm*riji*yhat + sw*pref * ri4 * ( & |
795 |
< |
qxx_j*(6.0_dp*cx_j*ux_j(2) - 2.0_dp*yhat) + & |
796 |
< |
qyy_j*(6.0_dp*cy_j*uy_j(2) - 2.0_dp*yhat) + & |
797 |
< |
qzz_j*(6.0_dp*cz_j*uz_j(2) - 2.0_dp*yhat) ) |
798 |
< |
dudz = dudz - 5.0_dp*sw*vterm*riji*zhat + sw*pref * ri4 * ( & |
799 |
< |
qxx_j*(6.0_dp*cx_j*ux_j(3) - 2.0_dp*zhat) + & |
800 |
< |
qyy_j*(6.0_dp*cy_j*uy_j(3) - 2.0_dp*zhat) + & |
801 |
< |
qzz_j*(6.0_dp*cz_j*uz_j(3) - 2.0_dp*zhat) ) |
790 |
> |
dudx = dudx - sw*pref*pot_term*riji*xhat*(5.0d0*f1 + f3) + & |
791 |
> |
sw*pref*ri4 * ( & |
792 |
> |
qxx_j*(2.0d0*cx_j*ux_j(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) + & |
793 |
> |
qyy_j*(2.0d0*cy_j*uy_j(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) + & |
794 |
> |
qzz_j*(2.0d0*cz_j*uz_j(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) ) & |
795 |
> |
+ (qxx_j*cx2 + qyy_j*cy2 + qzz_j*cz2)*f4 |
796 |
> |
dudy = dudy - sw*pref*pot_term*riji*yhat*(5.0d0*f1 + f3) + & |
797 |
> |
sw*pref*ri4 * ( & |
798 |
> |
qxx_j*(2.0d0*cx_j*ux_j(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) + & |
799 |
> |
qyy_j*(2.0d0*cy_j*uy_j(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) + & |
800 |
> |
qzz_j*(2.0d0*cz_j*uz_j(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) ) & |
801 |
> |
+ (qxx_j*cx2 + qyy_j*cy2 + qzz_j*cz2)*f4 |
802 |
> |
dudz = dudz - sw*pref*pot_term*riji*zhat*(5.0d0*f1 + f3) + & |
803 |
> |
sw*pref*ri4 * ( & |
804 |
> |
qxx_j*(2.0d0*cx_j*ux_j(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) + & |
805 |
> |
qyy_j*(2.0d0*cy_j*uy_j(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) + & |
806 |
> |
qzz_j*(2.0d0*cz_j*uz_j(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) ) & |
807 |
> |
+ (qxx_j*cx2 + qyy_j*cy2 + qzz_j*cz2)*f4 |
808 |
|
|
809 |
< |
dudux_j(1) = dudux_j(1) + sw*pref * ri3*(qxx_j*6.0_dp*cx_j*xhat) |
810 |
< |
dudux_j(2) = dudux_j(2) + sw*pref * ri3*(qxx_j*6.0_dp*cx_j*yhat) |
811 |
< |
dudux_j(3) = dudux_j(3) + sw*pref * ri3*(qxx_j*6.0_dp*cx_j*zhat) |
809 |
> |
dudux_j(1) = dudux_j(1) + sw*pref*ri3*( (qxx_j*2.0d0*cx_j*xhat) & |
810 |
> |
* (3.0d0*f1 + f3) ) |
811 |
> |
dudux_j(2) = dudux_j(2) + sw*pref*ri3*( (qxx_j*2.0d0*cx_j*yhat) & |
812 |
> |
* (3.0d0*f1 + f3) ) |
813 |
> |
dudux_j(3) = dudux_j(3) + sw*pref*ri3*( (qxx_j*2.0d0*cx_j*zhat) & |
814 |
> |
* (3.0d0*f1 + f3) ) |
815 |
|
|
816 |
< |
duduy_j(1) = duduy_j(1) + sw*pref * ri3*(qyy_j*6.0_dp*cy_j*xhat) |
817 |
< |
duduy_j(2) = duduy_j(2) + sw*pref * ri3*(qyy_j*6.0_dp*cy_j*yhat) |
818 |
< |
duduy_j(3) = duduy_j(3) + sw*pref * ri3*(qyy_j*6.0_dp*cy_j*zhat) |
816 |
> |
duduy_j(1) = duduy_j(1) + sw*pref*ri3*( (qyy_j*2.0d0*cy_j*xhat) & |
817 |
> |
* (3.0d0*f1 + f3) ) |
818 |
> |
duduy_j(2) = duduy_j(2) + sw*pref*ri3*( (qyy_j*2.0d0*cy_j*yhat) & |
819 |
> |
* (3.0d0*f1 + f3) ) |
820 |
> |
duduy_j(3) = duduy_j(3) + sw*pref*ri3*( (qyy_j*2.0d0*cy_j*zhat) & |
821 |
> |
* (3.0d0*f1 + f3) ) |
822 |
|
|
823 |
< |
duduz_j(1) = duduz_j(1) + sw*pref * ri3*(qzz_j*6.0_dp*cz_j*xhat) |
824 |
< |
duduz_j(2) = duduz_j(2) + sw*pref * ri3*(qzz_j*6.0_dp*cz_j*yhat) |
825 |
< |
duduz_j(3) = duduz_j(3) + sw*pref * ri3*(qzz_j*6.0_dp*cz_j*zhat) |
826 |
< |
|
823 |
> |
duduz_j(1) = duduz_j(1) + sw*pref*ri3*( (qzz_j*2.0d0*cz_j*xhat) & |
824 |
> |
* (3.0d0*f1 + f3) ) |
825 |
> |
duduz_j(2) = duduz_j(2) + sw*pref*ri3*( (qzz_j*2.0d0*cz_j*yhat) & |
826 |
> |
* (3.0d0*f1 + f3) ) |
827 |
> |
duduz_j(3) = duduz_j(3) + sw*pref*ri3*( (qzz_j*2.0d0*cz_j*zhat) & |
828 |
> |
* (3.0d0*f1 + f3) ) |
829 |
> |
|
830 |
|
endif |
831 |
|
endif |
832 |
|
|
833 |
|
if (i_is_Dipole) then |
834 |
|
|
835 |
|
if (j_is_Charge) then |
836 |
+ |
if (screeningMethod .eq. DAMPED) then |
837 |
+ |
f0 = derfc(dampingAlpha*rij) |
838 |
+ |
varEXP = exp(-alpha2*rij*rij) |
839 |
+ |
f1 = alphaPi*rij*varEXP + f0 |
840 |
+ |
f3 = alphaPi*2.0d0*alpha2*varEXP*rij*rij*rij |
841 |
+ |
endif |
842 |
|
|
843 |
|
pref = pre12 * q_j * mu_i |
844 |
|
|
846 |
|
ri2 = riji * riji |
847 |
|
ri3 = ri2 * riji |
848 |
|
|
849 |
< |
pot_term = ri2 - rcuti2 |
849 |
> |
pot_term = ri2*f1 - rcuti2*f1c |
850 |
|
vterm = pref * ct_i * pot_term |
851 |
|
vpair = vpair + vterm |
852 |
|
epot = epot + sw*vterm |
853 |
|
|
854 |
< |
dudx = dudx + sw*pref * ( ri3*(uz_i(1)-3.0d0*ct_i*xhat) ) |
855 |
< |
dudy = dudy + sw*pref * ( ri3*(uz_i(2)-3.0d0*ct_i*yhat) ) |
856 |
< |
dudz = dudz + sw*pref * ( ri3*(uz_i(3)-3.0d0*ct_i*zhat) ) |
854 |
> |
dudx = dudx + sw*pref*( ri3*(uz_i(1)*f1-ct_i*xhat*(3.0d0*f1+f3)) ) |
855 |
> |
dudy = dudy + sw*pref*( ri3*(uz_i(2)*f1-ct_i*yhat*(3.0d0*f1+f3)) ) |
856 |
> |
dudz = dudz + sw*pref*( ri3*(uz_i(3)*f1-ct_i*zhat*(3.0d0*f1+f3)) ) |
857 |
|
|
858 |
|
duduz_i(1) = duduz_i(1) + sw*pref * xhat * pot_term |
859 |
|
duduz_i(2) = duduz_i(2) + sw*pref * yhat * pot_term |
863 |
|
ri2 = riji * riji |
864 |
|
ri3 = ri2 * riji |
865 |
|
|
866 |
< |
pot_term = ri2 - rcuti2 + 2.0d0*rcuti3*( rij - defaultCutoff ) |
866 |
> |
!! might need a -(f1c-f0c) or dct_i/dr in the derivative term... |
867 |
> |
pot_term = ri2*f1 - rcuti2*f1c + & |
868 |
> |
(2.0d0*rcuti3*f1c + f2c)*( rij - defaultCutoff ) |
869 |
|
vterm = pref * ct_i * pot_term |
870 |
|
vpair = vpair + vterm |
871 |
|
epot = epot + sw*vterm |
872 |
|
|
873 |
< |
dudx = dudx + sw*pref * ( (ri3-rcuti3)*(uz_i(1)-3.0d0*ct_i*xhat) ) |
874 |
< |
dudy = dudy + sw*pref * ( (ri3-rcuti3)*(uz_i(2)-3.0d0*ct_i*yhat) ) |
875 |
< |
dudz = dudz + sw*pref * ( (ri3-rcuti3)*(uz_i(3)-3.0d0*ct_i*zhat) ) |
873 |
> |
dudx = dudx + sw*pref*( ri3*(uz_i(1)*f1-ct_i*xhat*(3.0d0*f1+f3)) & |
874 |
> |
- rcuti3*(uz_i(1)*f1c-ct_i*xhat*(3.0d0*f1c+f3c)) ) |
875 |
> |
dudy = dudy + sw*pref*( ri3*(uz_i(2)*f1-ct_i*yhat*(3.0d0*f1+f3)) & |
876 |
> |
- rcuti3*(uz_i(1)*f1c-ct_i*xhat*(3.0d0*f1c+f3c)) ) |
877 |
> |
dudz = dudz + sw*pref*( ri3*(uz_i(3)*f1-ct_i*zhat*(3.0d0*f1+f3)) & |
878 |
> |
- rcuti3*(uz_i(1)*f1c-ct_i*xhat*(3.0d0*f1c+f3c)) ) |
879 |
|
|
880 |
|
duduz_i(1) = duduz_i(1) + sw*pref * xhat * pot_term |
881 |
|
duduz_i(2) = duduz_i(2) + sw*pref * yhat * pot_term |
882 |
|
duduz_i(3) = duduz_i(3) + sw*pref * zhat * pot_term |
883 |
< |
|
883 |
> |
|
884 |
|
elseif (summationMethod .eq. REACTION_FIELD) then |
885 |
|
ri2 = riji * riji |
886 |
|
ri3 = ri2 * riji |
902 |
|
|
903 |
|
else |
904 |
|
if (i_is_SplitDipole) then |
905 |
< |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i) |
906 |
< |
ri = 1.0_dp / BigR |
905 |
> |
BigR = sqrt(r2 + 0.25d0 * d_i * d_i) |
906 |
> |
ri = 1.0d0 / BigR |
907 |
|
scale = rij * ri |
908 |
|
else |
909 |
|
ri = riji |
910 |
< |
scale = 1.0_dp |
910 |
> |
scale = 1.0d0 |
911 |
|
endif |
912 |
|
|
913 |
|
ri2 = ri * ri |
914 |
|
ri3 = ri2 * ri |
915 |
|
sc2 = scale * scale |
916 |
|
|
917 |
< |
vterm = pref * ct_i * ri2 * scale |
917 |
> |
pot_term = ri2 * f1 * scale |
918 |
> |
vterm = pref * ct_i * pot_term |
919 |
|
vpair = vpair + vterm |
920 |
|
epot = epot + sw*vterm |
921 |
|
|
922 |
< |
dudx = dudx + sw*pref * ri3 * ( uz_i(1) - 3.0d0 * ct_i * xhat*sc2) |
923 |
< |
dudy = dudy + sw*pref * ri3 * ( uz_i(2) - 3.0d0 * ct_i * yhat*sc2) |
924 |
< |
dudz = dudz + sw*pref * ri3 * ( uz_i(3) - 3.0d0 * ct_i * zhat*sc2) |
922 |
> |
dudx = dudx + sw*pref * ri3 * ( uz_i(1)*f1 - & |
923 |
> |
ct_i*xhat*sc2*( 3.0d0*f1 + f3 ) ) |
924 |
> |
dudy = dudy + sw*pref * ri3 * ( uz_i(2)*f1 - & |
925 |
> |
ct_i*yhat*sc2*( 3.0d0*f1 + f3 ) ) |
926 |
> |
dudz = dudz + sw*pref * ri3 * ( uz_i(3)*f1 - & |
927 |
> |
ct_i*zhat*sc2*( 3.0d0*f1 + f3 ) ) |
928 |
|
|
929 |
< |
duduz_i(1) = duduz_i(1) + sw*pref * ri2 * xhat * scale |
930 |
< |
duduz_i(2) = duduz_i(2) + sw*pref * ri2 * yhat * scale |
931 |
< |
duduz_i(3) = duduz_i(3) + sw*pref * ri2 * zhat * scale |
929 |
> |
duduz_i(1) = duduz_i(1) + sw*pref * pot_term * xhat |
930 |
> |
duduz_i(2) = duduz_i(2) + sw*pref * pot_term * yhat |
931 |
> |
duduz_i(3) = duduz_i(3) + sw*pref * pot_term * zhat |
932 |
|
endif |
933 |
|
endif |
934 |
|
|
935 |
|
if (j_is_Dipole) then |
936 |
+ |
if (screeningMethod .eq. DAMPED) then |
937 |
+ |
f0 = derfc(dampingAlpha*rij) |
938 |
+ |
varEXP = exp(-alpha2*rij*rij) |
939 |
+ |
f1 = alphaPi*rij*varEXP + f0 |
940 |
+ |
f2 = alphaPi*2.0d0*alpha2*varEXP |
941 |
+ |
f3 = f2*rij*rij*rij |
942 |
+ |
f4 = 2.0d0*alpha2*f3*rij*rij |
943 |
+ |
endif |
944 |
+ |
|
945 |
|
ct_ij = uz_i(1)*uz_j(1) + uz_i(2)*uz_j(2) + uz_i(3)*uz_j(3) |
946 |
|
|
947 |
|
ri2 = riji * riji |
981 |
|
else |
982 |
|
if (i_is_SplitDipole) then |
983 |
|
if (j_is_SplitDipole) then |
984 |
< |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i + 0.25_dp * d_j * d_j) |
984 |
> |
BigR = sqrt(r2 + 0.25d0 * d_i * d_i + 0.25d0 * d_j * d_j) |
985 |
|
else |
986 |
< |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i) |
986 |
> |
BigR = sqrt(r2 + 0.25d0 * d_i * d_i) |
987 |
|
endif |
988 |
< |
ri = 1.0_dp / BigR |
988 |
> |
ri = 1.0d0 / BigR |
989 |
|
scale = rij * ri |
990 |
|
else |
991 |
|
if (j_is_SplitDipole) then |
992 |
< |
BigR = sqrt(r2 + 0.25_dp * d_j * d_j) |
993 |
< |
ri = 1.0_dp / BigR |
992 |
> |
BigR = sqrt(r2 + 0.25d0 * d_j * d_j) |
993 |
> |
ri = 1.0d0 / BigR |
994 |
|
scale = rij * ri |
995 |
|
else |
996 |
|
ri = riji |
997 |
< |
scale = 1.0_dp |
997 |
> |
scale = 1.0d0 |
998 |
|
endif |
999 |
|
endif |
1000 |
|
|
1001 |
|
sc2 = scale * scale |
1002 |
|
|
1003 |
< |
vterm = pref * ri3 * (ct_ij - 3.0d0 * ct_i * ct_j * sc2) |
1003 |
> |
pot_term = (ct_ij - 3.0d0 * ct_i * ct_j * sc2) |
1004 |
> |
vterm = pref * ( ri3*pot_term*f1 + (ct_i * ct_j)*f2 ) |
1005 |
|
vpair = vpair + vterm |
1006 |
|
epot = epot + sw*vterm |
1007 |
|
|
1008 |
< |
a1 = 5.0d0 * ct_i * ct_j * sc2 - ct_ij |
1008 |
> |
f13 = f1+f3 |
1009 |
> |
f134 = f13 + f4 |
1010 |
|
|
1011 |
< |
dudx = dudx + sw*pref*3.0d0*ri4*scale & |
1012 |
< |
*(a1*xhat-ct_i*uz_j(1)-ct_j*uz_i(1)) |
1013 |
< |
dudy = dudy + sw*pref*3.0d0*ri4*scale & |
1014 |
< |
*(a1*yhat-ct_i*uz_j(2)-ct_j*uz_i(2)) |
1015 |
< |
dudz = dudz + sw*pref*3.0d0*ri4*scale & |
1016 |
< |
*(a1*zhat-ct_i*uz_j(3)-ct_j*uz_i(3)) |
1011 |
> |
!!$ dudx = dudx + sw*pref * ( ri4*scale*( & |
1012 |
> |
!!$ 3.0d0*(a1*xhat-ct_i*uz_j(1)-ct_j*uz_i(1))*f1 & |
1013 |
> |
!!$ - pot_term*f3) & |
1014 |
> |
!!$ + 2.0d0*ct_i*ct_j*xhat*(ct_i*uz_j(1)+ct_j*uz_i(1))*f3 & |
1015 |
> |
!!$ + (ct_i * ct_j)*f4 ) |
1016 |
> |
!!$ dudy = dudy + sw*pref * ( ri4*scale*( & |
1017 |
> |
!!$ 3.0d0*(a1*yhat-ct_i*uz_j(2)-ct_j*uz_i(2))*f1 & |
1018 |
> |
!!$ - pot_term*f3) & |
1019 |
> |
!!$ + 2.0d0*ct_i*ct_j*yhat*(ct_i*uz_j(2)+ct_j*uz_i(2))*f3 & |
1020 |
> |
!!$ + (ct_i * ct_j)*f4 ) |
1021 |
> |
!!$ dudz = dudz + sw*pref * ( ri4*scale*( & |
1022 |
> |
!!$ 3.0d0*(a1*zhat-ct_i*uz_j(3)-ct_j*uz_i(3))*f1 & |
1023 |
> |
!!$ - pot_term*f3) & |
1024 |
> |
!!$ + 2.0d0*ct_i*ct_j*zhat*(ct_i*uz_j(3)+ct_j*uz_i(3))*f3 & |
1025 |
> |
!!$ + (ct_i * ct_j)*f4 ) |
1026 |
> |
|
1027 |
> |
dudx = dudx + sw*pref * ( ri4*scale*( & |
1028 |
> |
15.0d0*(ct_i * ct_j * sc2)*xhat*f134 - & |
1029 |
> |
3.0d0*(ct_i*uz_j(1) + ct_j*uz_i(1) + ct_ij*xhat)*f134) ) |
1030 |
> |
dudy = dudy + sw*pref * ( ri4*scale*( & |
1031 |
> |
15.0d0*(ct_i * ct_j * sc2)*yhat*f134 - & |
1032 |
> |
3.0d0*(ct_i*uz_j(2) + ct_j*uz_i(2) + ct_ij*yhat)*f134) ) |
1033 |
> |
dudz = dudz + sw*pref * ( ri4*scale*( & |
1034 |
> |
15.0d0*(ct_i * ct_j * sc2)*zhat*f134 - & |
1035 |
> |
3.0d0*(ct_i*uz_j(3) + ct_j*uz_i(3) + ct_ij*zhat)*f134) ) |
1036 |
|
|
1037 |
< |
duduz_i(1) = duduz_i(1) + sw*pref*ri3 & |
1038 |
< |
*(uz_j(1) - 3.0d0*ct_j*xhat*sc2) |
1039 |
< |
duduz_i(2) = duduz_i(2) + sw*pref*ri3 & |
1040 |
< |
*(uz_j(2) - 3.0d0*ct_j*yhat*sc2) |
1041 |
< |
duduz_i(3) = duduz_i(3) + sw*pref*ri3 & |
1042 |
< |
*(uz_j(3) - 3.0d0*ct_j*zhat*sc2) |
1037 |
> |
duduz_i(1) = duduz_i(1) + sw*pref * & |
1038 |
> |
( ri3*(uz_j(1) - 3.0d0*ct_j*xhat*sc2)*f1 + (ct_j*xhat)*f2 ) |
1039 |
> |
duduz_i(2) = duduz_i(2) + sw*pref * & |
1040 |
> |
( ri3*(uz_j(2) - 3.0d0*ct_j*yhat*sc2)*f1 + (ct_j*yhat)*f2 ) |
1041 |
> |
duduz_i(3) = duduz_i(3) + sw*pref * & |
1042 |
> |
( ri3*(uz_j(3) - 3.0d0*ct_j*zhat*sc2)*f1 + (ct_j*zhat)*f2 ) |
1043 |
|
|
1044 |
< |
duduz_j(1) = duduz_j(1) + sw*pref*ri3 & |
1045 |
< |
*(uz_i(1) - 3.0d0*ct_i*xhat*sc2) |
1046 |
< |
duduz_j(2) = duduz_j(2) + sw*pref*ri3 & |
1047 |
< |
*(uz_i(2) - 3.0d0*ct_i*yhat*sc2) |
1048 |
< |
duduz_j(3) = duduz_j(3) + sw*pref*ri3 & |
1049 |
< |
*(uz_i(3) - 3.0d0*ct_i*zhat*sc2) |
1044 |
> |
duduz_j(1) = duduz_j(1) + sw*pref * & |
1045 |
> |
( ri3*(uz_i(1) - 3.0d0*ct_i*xhat*sc2)*f1 + (ct_i*xhat)*f2 ) |
1046 |
> |
duduz_j(2) = duduz_j(2) + sw*pref * & |
1047 |
> |
( ri3*(uz_i(2) - 3.0d0*ct_i*yhat*sc2)*f1 + (ct_i*yhat)*f2 ) |
1048 |
> |
duduz_j(3) = duduz_j(3) + sw*pref * & |
1049 |
> |
( ri3*(uz_i(3) - 3.0d0*ct_i*zhat*sc2)*f1 + (ct_i*zhat)*f2 ) |
1050 |
|
endif |
1051 |
|
endif |
1052 |
|
endif |
1053 |
|
|
1054 |
|
if (i_is_Quadrupole) then |
1055 |
|
if (j_is_Charge) then |
1056 |
+ |
if (screeningMethod .eq. DAMPED) then |
1057 |
+ |
f0 = derfc(dampingAlpha*rij) |
1058 |
+ |
varEXP = exp(-alpha2*rij*rij) |
1059 |
+ |
f1 = alphaPi*rij*varEXP + f0 |
1060 |
+ |
f2 = alphaPi*2.0d0*alpha2*varEXP |
1061 |
+ |
f3 = f2*rij*rij*rij |
1062 |
+ |
f4 = 2.0d0*alpha2*f2*rij |
1063 |
+ |
endif |
1064 |
+ |
|
1065 |
|
ri2 = riji * riji |
1066 |
|
ri3 = ri2 * riji |
1067 |
|
ri4 = ri2 * ri2 |
1069 |
|
cy2 = cy_i * cy_i |
1070 |
|
cz2 = cz_i * cz_i |
1071 |
|
|
1072 |
< |
pref = pre14 * q_j / 3.0_dp |
1073 |
< |
vterm = 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)) |
1072 |
> |
pref = pre14 * q_j / 3.0d0 |
1073 |
> |
pot_term = ri3 * (qxx_i * (3.0d0*cx2 - 1.0d0) + & |
1074 |
> |
qyy_i * (3.0d0*cy2 - 1.0d0) + & |
1075 |
> |
qzz_i * (3.0d0*cz2 - 1.0d0)) |
1076 |
> |
vterm = pref * (pot_term*f1 + (qxx_i*cx2 + qyy_i*cy2 + qzz_i*cz2)*f2) |
1077 |
|
vpair = vpair + vterm |
1078 |
|
epot = epot + sw*vterm |
1079 |
|
|
1080 |
< |
dudx = dudx - 5.0_dp*sw*vterm*riji*xhat + sw*pref*ri4 * ( & |
1081 |
< |
qxx_i*(6.0_dp*cx_i*ux_i(1) - 2.0_dp*xhat) + & |
1082 |
< |
qyy_i*(6.0_dp*cy_i*uy_i(1) - 2.0_dp*xhat) + & |
1083 |
< |
qzz_i*(6.0_dp*cz_i*uz_i(1) - 2.0_dp*xhat) ) |
1084 |
< |
dudy = dudy - 5.0_dp*sw*vterm*riji*yhat + sw*pref*ri4 * ( & |
1085 |
< |
qxx_i*(6.0_dp*cx_i*ux_i(2) - 2.0_dp*yhat) + & |
1086 |
< |
qyy_i*(6.0_dp*cy_i*uy_i(2) - 2.0_dp*yhat) + & |
1087 |
< |
qzz_i*(6.0_dp*cz_i*uz_i(2) - 2.0_dp*yhat) ) |
1088 |
< |
dudz = dudz - 5.0_dp*sw*vterm*riji*zhat + sw*pref*ri4 * ( & |
1089 |
< |
qxx_i*(6.0_dp*cx_i*ux_i(3) - 2.0_dp*zhat) + & |
1090 |
< |
qyy_i*(6.0_dp*cy_i*uy_i(3) - 2.0_dp*zhat) + & |
1091 |
< |
qzz_i*(6.0_dp*cz_i*uz_i(3) - 2.0_dp*zhat) ) |
1092 |
< |
|
1093 |
< |
dudux_i(1) = dudux_i(1) + sw*pref*ri3*(qxx_i*6.0_dp*cx_i*xhat) |
1094 |
< |
dudux_i(2) = dudux_i(2) + sw*pref*ri3*(qxx_i*6.0_dp*cx_i*yhat) |
1095 |
< |
dudux_i(3) = dudux_i(3) + sw*pref*ri3*(qxx_i*6.0_dp*cx_i*zhat) |
1096 |
< |
|
1097 |
< |
duduy_i(1) = duduy_i(1) + sw*pref*ri3*(qyy_i*6.0_dp*cy_i*xhat) |
1002 |
< |
duduy_i(2) = duduy_i(2) + sw*pref*ri3*(qyy_i*6.0_dp*cy_i*yhat) |
1003 |
< |
duduy_i(3) = duduy_i(3) + sw*pref*ri3*(qyy_i*6.0_dp*cy_i*zhat) |
1080 |
> |
dudx = dudx - sw*pref*pot_term*riji*xhat*(5.0d0*f1 + f3) + & |
1081 |
> |
sw*pref*ri4 * ( & |
1082 |
> |
qxx_i*(2.0d0*cx_i*ux_i(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) + & |
1083 |
> |
qyy_i*(2.0d0*cy_i*uy_i(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) + & |
1084 |
> |
qzz_i*(2.0d0*cz_i*uz_i(1)*(3.0d0*f1 + f3) - 2.0d0*xhat*f1) ) & |
1085 |
> |
+ (qxx_i*cx2 + qyy_i*cy2 + qzz_i*cz2)*f4 |
1086 |
> |
dudy = dudy - sw*pref*pot_term*riji*yhat*(5.0d0*f1 + f3) + & |
1087 |
> |
sw*pref*ri4 * ( & |
1088 |
> |
qxx_i*(2.0d0*cx_i*ux_i(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) + & |
1089 |
> |
qyy_i*(2.0d0*cy_i*uy_i(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) + & |
1090 |
> |
qzz_i*(2.0d0*cz_i*uz_i(2)*(3.0d0*f1 + f3) - 2.0d0*yhat*f1) ) & |
1091 |
> |
+ (qxx_i*cx2 + qyy_i*cy2 + qzz_i*cz2)*f4 |
1092 |
> |
dudz = dudz - sw*pref*pot_term*riji*zhat*(5.0d0*f1 + f3) + & |
1093 |
> |
sw*pref*ri4 * ( & |
1094 |
> |
qxx_i*(2.0d0*cx_i*ux_i(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) + & |
1095 |
> |
qyy_i*(2.0d0*cy_i*uy_i(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) + & |
1096 |
> |
qzz_i*(2.0d0*cz_i*uz_i(3)*(3.0d0*f1 + f3) - 2.0d0*zhat*f1) ) & |
1097 |
> |
+ (qxx_i*cx2 + qyy_i*cy2 + qzz_i*cz2)*f4 |
1098 |
|
|
1099 |
< |
duduz_i(1) = duduz_i(1) + sw*pref*ri3*(qzz_i*6.0_dp*cz_i*xhat) |
1100 |
< |
duduz_i(2) = duduz_i(2) + sw*pref*ri3*(qzz_i*6.0_dp*cz_i*yhat) |
1101 |
< |
duduz_i(3) = duduz_i(3) + sw*pref*ri3*(qzz_i*6.0_dp*cz_i*zhat) |
1099 |
> |
dudux_i(1) = dudux_i(1) + sw*pref*( ri3*(qxx_i*2.0d0*cx_i*xhat) & |
1100 |
> |
* (3.0d0*f1 + f3) ) |
1101 |
> |
dudux_i(2) = dudux_i(2) + sw*pref*( ri3*(qxx_i*2.0d0*cx_i*yhat) & |
1102 |
> |
* (3.0d0*f1 + f3) ) |
1103 |
> |
dudux_i(3) = dudux_i(3) + sw*pref*( ri3*(qxx_i*2.0d0*cx_i*zhat) & |
1104 |
> |
* (3.0d0*f1 + f3) ) |
1105 |
> |
|
1106 |
> |
duduy_i(1) = duduy_i(1) + sw*pref*( ri3*(qyy_i*2.0d0*cy_i*xhat) & |
1107 |
> |
* (3.0d0*f1 + f3) ) |
1108 |
> |
duduy_i(2) = duduy_i(2) + sw*pref*( ri3*(qyy_i*2.0d0*cy_i*yhat) & |
1109 |
> |
* (3.0d0*f1 + f3) ) |
1110 |
> |
duduy_i(3) = duduy_i(3) + sw*pref*( ri3*(qyy_i*2.0d0*cy_i*zhat) & |
1111 |
> |
* (3.0d0*f1 + f3) ) |
1112 |
> |
|
1113 |
> |
duduz_i(1) = duduz_i(1) + sw*pref*( ri3*(qzz_i*2.0d0*cz_i*xhat) & |
1114 |
> |
* (3.0d0*f1 + f3) ) |
1115 |
> |
duduz_i(2) = duduz_i(2) + sw*pref*( ri3*(qzz_i*2.0d0*cz_i*yhat) & |
1116 |
> |
* (3.0d0*f1 + f3) ) |
1117 |
> |
duduz_i(3) = duduz_i(3) + sw*pref*( ri3*(qzz_i*2.0d0*cz_i*zhat) & |
1118 |
> |
* (3.0d0*f1 + f3) ) |
1119 |
|
|
1120 |
|
endif |
1121 |
|
endif |
1277 |
|
|
1278 |
|
endif |
1279 |
|
|
1280 |
< |
elseif (summationMethod .eq. SHIFTED_FORCE) then |
1280 |
> |
elseif ( (summationMethod .eq. SHIFTED_FORCE) .or. & |
1281 |
> |
(summationMethod .eq. SHIFTED_POTENTIAL) ) then |
1282 |
|
if (ElectrostaticMap(atid1)%is_Charge) then |
1283 |
|
c1 = getCharge(atid1) |
1284 |
|
|
1285 |
|
if (screeningMethod .eq. DAMPED) then |
1286 |
< |
mypot = mypot - (f0c * rcuti * 0.5_dp + & |
1286 |
> |
mypot = mypot - (f0c * rcuti * 0.5d0 + & |
1287 |
|
dampingAlpha*invRootPi) * c1 * c1 |
1288 |
|
|
1289 |
|
else |
1290 |
< |
mypot = mypot - (rcuti * 0.5_dp * c1 * c1) |
1290 |
> |
mypot = mypot - (rcuti * 0.5d0 * c1 * c1) |
1291 |
|
|
1292 |
|
endif |
1293 |
|
endif |
1327 |
|
call checkSummationMethod() |
1328 |
|
endif |
1329 |
|
|
1330 |
< |
dudx = 0.0d0 |
1331 |
< |
dudy = 0.0d0 |
1332 |
< |
dudz = 0.0d0 |
1330 |
> |
dudx = zero |
1331 |
> |
dudy = zero |
1332 |
> |
dudz = zero |
1333 |
|
|
1334 |
|
riji = 1.0d0/rij |
1335 |
|
|