40 |
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!! |
41 |
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|
42 |
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module electrostatic_module |
43 |
< |
|
43 |
> |
|
44 |
|
use force_globals |
45 |
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use definitions |
46 |
|
use atype_module |
54 |
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|
55 |
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PRIVATE |
56 |
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|
57 |
+ |
|
58 |
+ |
#define __FORTRAN90 |
59 |
+ |
#include "UseTheForce/DarkSide/fInteractionMap.h" |
60 |
+ |
#include "UseTheForce/DarkSide/fElectrostaticSummationMethod.h" |
61 |
+ |
#include "UseTheForce/DarkSide/fElectrostaticScreeningMethod.h" |
62 |
+ |
|
63 |
+ |
|
64 |
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!! these prefactors convert the multipole interactions into kcal / mol |
65 |
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!! all were computed assuming distances are measured in angstroms |
66 |
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!! Charge-Charge, assuming charges are measured in electrons |
75 |
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!! This unit is also known affectionately as an esu centi-barn. |
76 |
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real(kind=dp), parameter :: pre14 = 69.13373_dp |
77 |
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|
78 |
+ |
!! variables to handle different summation methods for long-range |
79 |
+ |
!! electrostatics: |
80 |
+ |
integer, save :: summationMethod = NONE |
81 |
+ |
integer, save :: screeningMethod = UNDAMPED |
82 |
+ |
logical, save :: summationMethodChecked = .false. |
83 |
+ |
real(kind=DP), save :: defaultCutoff = 0.0_DP |
84 |
+ |
real(kind=DP), save :: defaultCutoff2 = 0.0_DP |
85 |
+ |
logical, save :: haveDefaultCutoff = .false. |
86 |
+ |
real(kind=DP), save :: dampingAlpha = 0.0_DP |
87 |
+ |
real(kind=DP), save :: alpha2 = 0.0_DP |
88 |
+ |
logical, save :: haveDampingAlpha = .false. |
89 |
+ |
real(kind=DP), save :: dielectric = 1.0_DP |
90 |
+ |
logical, save :: haveDielectric = .false. |
91 |
+ |
real(kind=DP), save :: constEXP = 0.0_DP |
92 |
+ |
real(kind=dp), save :: rcuti = 0.0_DP |
93 |
+ |
real(kind=dp), save :: rcuti2 = 0.0_DP |
94 |
+ |
real(kind=dp), save :: rcuti3 = 0.0_DP |
95 |
+ |
real(kind=dp), save :: rcuti4 = 0.0_DP |
96 |
+ |
real(kind=dp), save :: alphaPi = 0.0_DP |
97 |
+ |
real(kind=dp), save :: invRootPi = 0.0_DP |
98 |
+ |
real(kind=dp), save :: rrf = 1.0_DP |
99 |
+ |
real(kind=dp), save :: rt = 1.0_DP |
100 |
+ |
real(kind=dp), save :: rrfsq = 1.0_DP |
101 |
+ |
real(kind=dp), save :: preRF = 0.0_DP |
102 |
+ |
real(kind=dp), save :: preRF2 = 0.0_DP |
103 |
+ |
real(kind=dp), save :: f0 = 1.0_DP |
104 |
+ |
real(kind=dp), save :: f1 = 1.0_DP |
105 |
+ |
real(kind=dp), save :: f2 = 0.0_DP |
106 |
+ |
real(kind=dp), save :: f0c = 1.0_DP |
107 |
+ |
real(kind=dp), save :: f1c = 1.0_DP |
108 |
+ |
real(kind=dp), save :: f2c = 0.0_DP |
109 |
+ |
|
110 |
+ |
#ifdef __IFC |
111 |
+ |
! error function for ifc version > 7. |
112 |
+ |
double precision, external :: derfc |
113 |
+ |
#endif |
114 |
+ |
|
115 |
+ |
public :: setElectrostaticSummationMethod |
116 |
+ |
public :: setScreeningMethod |
117 |
+ |
public :: setElectrostaticCutoffRadius |
118 |
+ |
public :: setDampingAlpha |
119 |
+ |
public :: setReactionFieldDielectric |
120 |
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public :: newElectrostaticType |
121 |
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public :: setCharge |
122 |
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public :: setDipoleMoment |
125 |
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public :: doElectrostaticPair |
126 |
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public :: getCharge |
127 |
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public :: getDipoleMoment |
128 |
+ |
public :: destroyElectrostaticTypes |
129 |
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public :: self_self |
130 |
+ |
public :: rf_self_excludes |
131 |
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|
132 |
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type :: Electrostatic |
133 |
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integer :: c_ident |
135 |
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logical :: is_Dipole = .false. |
136 |
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logical :: is_SplitDipole = .false. |
137 |
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logical :: is_Quadrupole = .false. |
138 |
+ |
logical :: is_Tap = .false. |
139 |
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real(kind=DP) :: charge = 0.0_DP |
140 |
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real(kind=DP) :: dipole_moment = 0.0_DP |
141 |
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real(kind=DP) :: split_dipole_distance = 0.0_DP |
145 |
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type(Electrostatic), dimension(:), allocatable :: ElectrostaticMap |
146 |
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|
147 |
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contains |
148 |
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|
149 |
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subroutine setElectrostaticSummationMethod(the_ESM) |
150 |
+ |
integer, intent(in) :: the_ESM |
151 |
+ |
|
152 |
+ |
if ((the_ESM .le. 0) .or. (the_ESM .gt. REACTION_FIELD)) then |
153 |
+ |
call handleError("setElectrostaticSummationMethod", "Unsupported Summation Method") |
154 |
+ |
endif |
155 |
+ |
|
156 |
+ |
summationMethod = the_ESM |
157 |
+ |
|
158 |
+ |
end subroutine setElectrostaticSummationMethod |
159 |
+ |
|
160 |
+ |
subroutine setScreeningMethod(the_SM) |
161 |
+ |
integer, intent(in) :: the_SM |
162 |
+ |
screeningMethod = the_SM |
163 |
+ |
end subroutine setScreeningMethod |
164 |
+ |
|
165 |
+ |
subroutine setElectrostaticCutoffRadius(thisRcut, thisRsw) |
166 |
+ |
real(kind=dp), intent(in) :: thisRcut |
167 |
+ |
real(kind=dp), intent(in) :: thisRsw |
168 |
+ |
defaultCutoff = thisRcut |
169 |
+ |
rrf = defaultCutoff |
170 |
+ |
rt = thisRsw |
171 |
+ |
haveDefaultCutoff = .true. |
172 |
+ |
end subroutine setElectrostaticCutoffRadius |
173 |
+ |
|
174 |
+ |
subroutine setDampingAlpha(thisAlpha) |
175 |
+ |
real(kind=dp), intent(in) :: thisAlpha |
176 |
+ |
dampingAlpha = thisAlpha |
177 |
+ |
alpha2 = dampingAlpha*dampingAlpha |
178 |
+ |
haveDampingAlpha = .true. |
179 |
+ |
end subroutine setDampingAlpha |
180 |
+ |
|
181 |
+ |
subroutine setReactionFieldDielectric(thisDielectric) |
182 |
+ |
real(kind=dp), intent(in) :: thisDielectric |
183 |
+ |
dielectric = thisDielectric |
184 |
+ |
haveDielectric = .true. |
185 |
+ |
end subroutine setReactionFieldDielectric |
186 |
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|
187 |
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subroutine newElectrostaticType(c_ident, is_Charge, is_Dipole, & |
188 |
< |
is_SplitDipole, is_Quadrupole, status) |
189 |
< |
|
188 |
> |
is_SplitDipole, is_Quadrupole, is_Tap, status) |
189 |
> |
|
190 |
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integer, intent(in) :: c_ident |
191 |
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logical, intent(in) :: is_Charge |
192 |
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logical, intent(in) :: is_Dipole |
193 |
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logical, intent(in) :: is_SplitDipole |
194 |
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logical, intent(in) :: is_Quadrupole |
195 |
+ |
logical, intent(in) :: is_Tap |
196 |
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integer, intent(out) :: status |
197 |
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integer :: nAtypes, myATID, i, j |
198 |
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|
199 |
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status = 0 |
200 |
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myATID = getFirstMatchingElement(atypes, "c_ident", c_ident) |
201 |
< |
|
201 |
> |
|
202 |
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!! Be simple-minded and assume that we need an ElectrostaticMap that |
203 |
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!! is the same size as the total number of atom types |
204 |
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|
205 |
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if (.not.allocated(ElectrostaticMap)) then |
206 |
< |
|
206 |
> |
|
207 |
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nAtypes = getSize(atypes) |
208 |
< |
|
208 |
> |
|
209 |
|
if (nAtypes == 0) then |
210 |
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status = -1 |
211 |
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return |
212 |
|
end if |
213 |
< |
|
213 |
> |
|
214 |
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if (.not. allocated(ElectrostaticMap)) then |
215 |
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allocate(ElectrostaticMap(nAtypes)) |
216 |
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endif |
217 |
< |
|
217 |
> |
|
218 |
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end if |
219 |
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|
220 |
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if (myATID .gt. size(ElectrostaticMap)) then |
221 |
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status = -1 |
222 |
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return |
223 |
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endif |
224 |
< |
|
224 |
> |
|
225 |
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! set the values for ElectrostaticMap for this atom type: |
226 |
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|
227 |
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ElectrostaticMap(myATID)%c_ident = c_ident |
229 |
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ElectrostaticMap(myATID)%is_Dipole = is_Dipole |
230 |
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ElectrostaticMap(myATID)%is_SplitDipole = is_SplitDipole |
231 |
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ElectrostaticMap(myATID)%is_Quadrupole = is_Quadrupole |
232 |
< |
|
232 |
> |
ElectrostaticMap(myATID)%is_Tap = is_Tap |
233 |
> |
|
234 |
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end subroutine newElectrostaticType |
235 |
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|
236 |
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subroutine setCharge(c_ident, charge, status) |
258 |
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call handleError("electrostatic", "Attempt to setCharge of an atom type that is not a charge!") |
259 |
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status = -1 |
260 |
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return |
261 |
< |
endif |
261 |
> |
endif |
262 |
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|
263 |
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ElectrostaticMap(myATID)%charge = charge |
264 |
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end subroutine setCharge |
349 |
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status = -1 |
350 |
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return |
351 |
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endif |
352 |
< |
|
352 |
> |
|
353 |
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do i = 1, 3 |
354 |
< |
ElectrostaticMap(myATID)%quadrupole_moments(i) = & |
355 |
< |
quadrupole_moments(i) |
356 |
< |
enddo |
354 |
> |
ElectrostaticMap(myATID)%quadrupole_moments(i) = & |
355 |
> |
quadrupole_moments(i) |
356 |
> |
enddo |
357 |
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|
358 |
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end subroutine setQuadrupoleMoments |
359 |
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|
360 |
< |
|
360 |
> |
|
361 |
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function getCharge(atid) result (c) |
362 |
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integer, intent(in) :: atid |
363 |
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integer :: localError |
364 |
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real(kind=dp) :: c |
365 |
< |
|
365 |
> |
|
366 |
|
if (.not.allocated(ElectrostaticMap)) then |
367 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of getCharge!") |
368 |
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return |
369 |
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end if |
370 |
< |
|
370 |
> |
|
371 |
|
if (.not.ElectrostaticMap(atid)%is_Charge) then |
372 |
|
call handleError("electrostatic", "getCharge was called for an atom type that isn't a charge!") |
373 |
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return |
374 |
|
endif |
375 |
< |
|
375 |
> |
|
376 |
|
c = ElectrostaticMap(atid)%charge |
377 |
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end function getCharge |
378 |
|
|
380 |
|
integer, intent(in) :: atid |
381 |
|
integer :: localError |
382 |
|
real(kind=dp) :: dm |
383 |
< |
|
383 |
> |
|
384 |
|
if (.not.allocated(ElectrostaticMap)) then |
385 |
|
call handleError("electrostatic", "no ElectrostaticMap was present before first call of getDipoleMoment!") |
386 |
|
return |
387 |
|
end if |
388 |
< |
|
388 |
> |
|
389 |
|
if (.not.ElectrostaticMap(atid)%is_Dipole) then |
390 |
|
call handleError("electrostatic", "getDipoleMoment was called for an atom type that isn't a dipole!") |
391 |
|
return |
392 |
|
endif |
393 |
< |
|
393 |
> |
|
394 |
|
dm = ElectrostaticMap(atid)%dipole_moment |
395 |
|
end function getDipoleMoment |
396 |
+ |
|
397 |
+ |
subroutine checkSummationMethod() |
398 |
+ |
|
399 |
+ |
if (.not.haveDefaultCutoff) then |
400 |
+ |
call handleError("checkSummationMethod", "no Default Cutoff set!") |
401 |
+ |
endif |
402 |
+ |
|
403 |
+ |
rcuti = 1.0d0 / defaultCutoff |
404 |
+ |
rcuti2 = rcuti*rcuti |
405 |
+ |
rcuti3 = rcuti2*rcuti |
406 |
+ |
rcuti4 = rcuti2*rcuti2 |
407 |
+ |
|
408 |
+ |
if (screeningMethod .eq. DAMPED) then |
409 |
+ |
if (.not.haveDampingAlpha) then |
410 |
+ |
call handleError("checkSummationMethod", "no Damping Alpha set!") |
411 |
+ |
endif |
412 |
+ |
|
413 |
+ |
if (.not.haveDefaultCutoff) then |
414 |
+ |
call handleError("checkSummationMethod", "no Default Cutoff set!") |
415 |
+ |
endif |
416 |
+ |
|
417 |
+ |
constEXP = exp(-alpha2*defaultCutoff*defaultCutoff) |
418 |
+ |
invRootPi = 0.56418958354775628695d0 |
419 |
+ |
alphaPi = 2.0d0*dampingAlpha*invRootPi |
420 |
+ |
f0c = derfc(dampingAlpha*defaultCutoff) |
421 |
+ |
f1c = alphaPi*defaultCutoff*constEXP + f0c |
422 |
+ |
f2c = alphaPi*2.0d0*alpha2*constEXP*rcuti2 |
423 |
+ |
|
424 |
+ |
endif |
425 |
+ |
|
426 |
+ |
if (summationMethod .eq. REACTION_FIELD) then |
427 |
+ |
if (haveDielectric) then |
428 |
+ |
defaultCutoff2 = defaultCutoff*defaultCutoff |
429 |
+ |
preRF = (dielectric-1.0d0) / & |
430 |
+ |
((2.0d0*dielectric+1.0d0)*defaultCutoff2*defaultCutoff) |
431 |
+ |
preRF2 = 2.0d0*preRF |
432 |
+ |
else |
433 |
+ |
call handleError("checkSummationMethod", "Dielectric not set") |
434 |
+ |
endif |
435 |
+ |
|
436 |
+ |
endif |
437 |
|
|
438 |
+ |
summationMethodChecked = .true. |
439 |
+ |
end subroutine checkSummationMethod |
440 |
+ |
|
441 |
+ |
|
442 |
|
subroutine doElectrostaticPair(atom1, atom2, d, rij, r2, sw, & |
443 |
|
vpair, fpair, pot, eFrame, f, t, do_pot) |
444 |
< |
|
444 |
> |
|
445 |
|
logical, intent(in) :: do_pot |
446 |
< |
|
446 |
> |
|
447 |
|
integer, intent(in) :: atom1, atom2 |
448 |
|
integer :: localError |
449 |
|
|
450 |
|
real(kind=dp), intent(in) :: rij, r2, sw |
451 |
|
real(kind=dp), intent(in), dimension(3) :: d |
452 |
|
real(kind=dp), intent(inout) :: vpair |
453 |
< |
real(kind=dp), intent(inout), dimension(3) :: fpair |
453 |
> |
real(kind=dp), intent(inout), dimension(3) :: fpair |
454 |
|
|
455 |
|
real( kind = dp ) :: pot |
456 |
|
real( kind = dp ), dimension(9,nLocal) :: eFrame |
457 |
|
real( kind = dp ), dimension(3,nLocal) :: f |
458 |
+ |
real( kind = dp ), dimension(3,nLocal) :: felec |
459 |
|
real( kind = dp ), dimension(3,nLocal) :: t |
321 |
– |
|
322 |
– |
real (kind = dp), dimension(3) :: ul_i |
323 |
– |
real (kind = dp), dimension(3) :: ul_j |
460 |
|
|
461 |
+ |
real (kind = dp), dimension(3) :: ux_i, uy_i, uz_i |
462 |
+ |
real (kind = dp), dimension(3) :: ux_j, uy_j, uz_j |
463 |
+ |
real (kind = dp), dimension(3) :: dudux_i, duduy_i, duduz_i |
464 |
+ |
real (kind = dp), dimension(3) :: dudux_j, duduy_j, duduz_j |
465 |
+ |
|
466 |
|
logical :: i_is_Charge, i_is_Dipole, i_is_SplitDipole, i_is_Quadrupole |
467 |
|
logical :: j_is_Charge, j_is_Dipole, j_is_SplitDipole, j_is_Quadrupole |
468 |
+ |
logical :: i_is_Tap, j_is_Tap |
469 |
|
integer :: me1, me2, id1, id2 |
470 |
|
real (kind=dp) :: q_i, q_j, mu_i, mu_j, d_i, d_j |
471 |
+ |
real (kind=dp) :: qxx_i, qyy_i, qzz_i |
472 |
+ |
real (kind=dp) :: qxx_j, qyy_j, qzz_j |
473 |
+ |
real (kind=dp) :: cx_i, cy_i, cz_i |
474 |
+ |
real (kind=dp) :: cx_j, cy_j, cz_j |
475 |
+ |
real (kind=dp) :: cx2, cy2, cz2 |
476 |
|
real (kind=dp) :: ct_i, ct_j, ct_ij, a1 |
477 |
|
real (kind=dp) :: riji, ri, ri2, ri3, ri4 |
478 |
< |
real (kind=dp) :: pref, vterm, epot, dudr |
478 |
> |
real (kind=dp) :: pref, vterm, epot, dudr, vterm1, vterm2 |
479 |
|
real (kind=dp) :: xhat, yhat, zhat |
480 |
|
real (kind=dp) :: dudx, dudy, dudz |
334 |
– |
real (kind=dp) :: drdxj, drdyj, drdzj |
335 |
– |
real (kind=dp) :: duduix, duduiy, duduiz, dudujx, dudujy, dudujz |
481 |
|
real (kind=dp) :: scale, sc2, bigR |
482 |
+ |
real (kind=dp) :: varEXP |
483 |
+ |
real (kind=dp) :: limScale |
484 |
+ |
real (kind=dp) :: preVal, rfVal |
485 |
|
|
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 |
|
|
491 |
+ |
if (.not.summationMethodChecked) then |
492 |
+ |
call checkSummationMethod() |
493 |
+ |
endif |
494 |
+ |
|
495 |
|
#ifdef IS_MPI |
496 |
|
me1 = atid_Row(atom1) |
497 |
|
me2 = atid_Col(atom2) |
500 |
|
me2 = atid(atom2) |
501 |
|
#endif |
502 |
|
|
503 |
+ |
!!$ if (rij .ge. defaultCutoff) then |
504 |
+ |
!!$ write(*,*) 'warning: rij = ', rij, ' rcut = ', defaultCutoff, ' sw = ', sw |
505 |
+ |
!!$ endif |
506 |
+ |
|
507 |
|
!! some variables we'll need independent of electrostatic type: |
508 |
|
|
509 |
|
riji = 1.0d0 / rij |
510 |
< |
|
510 |
> |
|
511 |
|
xhat = d(1) * riji |
512 |
|
yhat = d(2) * riji |
513 |
|
zhat = d(3) * riji |
514 |
|
|
359 |
– |
drdxj = xhat |
360 |
– |
drdyj = yhat |
361 |
– |
drdzj = zhat |
362 |
– |
|
515 |
|
!! logicals |
364 |
– |
|
516 |
|
i_is_Charge = ElectrostaticMap(me1)%is_Charge |
517 |
|
i_is_Dipole = ElectrostaticMap(me1)%is_Dipole |
518 |
|
i_is_SplitDipole = ElectrostaticMap(me1)%is_SplitDipole |
519 |
|
i_is_Quadrupole = ElectrostaticMap(me1)%is_Quadrupole |
520 |
+ |
i_is_Tap = ElectrostaticMap(me1)%is_Tap |
521 |
|
|
522 |
|
j_is_Charge = ElectrostaticMap(me2)%is_Charge |
523 |
|
j_is_Dipole = ElectrostaticMap(me2)%is_Dipole |
524 |
|
j_is_SplitDipole = ElectrostaticMap(me2)%is_SplitDipole |
525 |
|
j_is_Quadrupole = ElectrostaticMap(me2)%is_Quadrupole |
526 |
+ |
j_is_Tap = ElectrostaticMap(me2)%is_Tap |
527 |
|
|
528 |
|
if (i_is_Charge) then |
529 |
|
q_i = ElectrostaticMap(me1)%charge |
530 |
|
endif |
531 |
< |
|
531 |
> |
|
532 |
|
if (i_is_Dipole) then |
533 |
|
mu_i = ElectrostaticMap(me1)%dipole_moment |
534 |
|
#ifdef IS_MPI |
535 |
< |
ul_i(1) = eFrame_Row(3,atom1) |
536 |
< |
ul_i(2) = eFrame_Row(6,atom1) |
537 |
< |
ul_i(3) = eFrame_Row(9,atom1) |
535 |
> |
uz_i(1) = eFrame_Row(3,atom1) |
536 |
> |
uz_i(2) = eFrame_Row(6,atom1) |
537 |
> |
uz_i(3) = eFrame_Row(9,atom1) |
538 |
|
#else |
539 |
< |
ul_i(1) = eFrame(3,atom1) |
540 |
< |
ul_i(2) = eFrame(6,atom1) |
541 |
< |
ul_i(3) = eFrame(9,atom1) |
539 |
> |
uz_i(1) = eFrame(3,atom1) |
540 |
> |
uz_i(2) = eFrame(6,atom1) |
541 |
> |
uz_i(3) = eFrame(9,atom1) |
542 |
|
#endif |
543 |
< |
ct_i = ul_i(1)*drdxj + ul_i(2)*drdyj + ul_i(3)*drdzj |
543 |
> |
ct_i = uz_i(1)*xhat + uz_i(2)*yhat + uz_i(3)*zhat |
544 |
|
|
545 |
|
if (i_is_SplitDipole) then |
546 |
|
d_i = ElectrostaticMap(me1)%split_dipole_distance |
547 |
|
endif |
548 |
< |
|
548 |
> |
|
549 |
|
endif |
550 |
|
|
551 |
+ |
if (i_is_Quadrupole) then |
552 |
+ |
qxx_i = ElectrostaticMap(me1)%quadrupole_moments(1) |
553 |
+ |
qyy_i = ElectrostaticMap(me1)%quadrupole_moments(2) |
554 |
+ |
qzz_i = ElectrostaticMap(me1)%quadrupole_moments(3) |
555 |
+ |
#ifdef IS_MPI |
556 |
+ |
ux_i(1) = eFrame_Row(1,atom1) |
557 |
+ |
ux_i(2) = eFrame_Row(4,atom1) |
558 |
+ |
ux_i(3) = eFrame_Row(7,atom1) |
559 |
+ |
uy_i(1) = eFrame_Row(2,atom1) |
560 |
+ |
uy_i(2) = eFrame_Row(5,atom1) |
561 |
+ |
uy_i(3) = eFrame_Row(8,atom1) |
562 |
+ |
uz_i(1) = eFrame_Row(3,atom1) |
563 |
+ |
uz_i(2) = eFrame_Row(6,atom1) |
564 |
+ |
uz_i(3) = eFrame_Row(9,atom1) |
565 |
+ |
#else |
566 |
+ |
ux_i(1) = eFrame(1,atom1) |
567 |
+ |
ux_i(2) = eFrame(4,atom1) |
568 |
+ |
ux_i(3) = eFrame(7,atom1) |
569 |
+ |
uy_i(1) = eFrame(2,atom1) |
570 |
+ |
uy_i(2) = eFrame(5,atom1) |
571 |
+ |
uy_i(3) = eFrame(8,atom1) |
572 |
+ |
uz_i(1) = eFrame(3,atom1) |
573 |
+ |
uz_i(2) = eFrame(6,atom1) |
574 |
+ |
uz_i(3) = eFrame(9,atom1) |
575 |
+ |
#endif |
576 |
+ |
cx_i = ux_i(1)*xhat + ux_i(2)*yhat + ux_i(3)*zhat |
577 |
+ |
cy_i = uy_i(1)*xhat + uy_i(2)*yhat + uy_i(3)*zhat |
578 |
+ |
cz_i = uz_i(1)*xhat + uz_i(2)*yhat + uz_i(3)*zhat |
579 |
+ |
endif |
580 |
+ |
|
581 |
|
if (j_is_Charge) then |
582 |
|
q_j = ElectrostaticMap(me2)%charge |
583 |
|
endif |
584 |
< |
|
584 |
> |
|
585 |
|
if (j_is_Dipole) then |
586 |
|
mu_j = ElectrostaticMap(me2)%dipole_moment |
587 |
|
#ifdef IS_MPI |
588 |
< |
ul_j(1) = eFrame_Col(3,atom2) |
589 |
< |
ul_j(2) = eFrame_Col(6,atom2) |
590 |
< |
ul_j(3) = eFrame_Col(9,atom2) |
588 |
> |
uz_j(1) = eFrame_Col(3,atom2) |
589 |
> |
uz_j(2) = eFrame_Col(6,atom2) |
590 |
> |
uz_j(3) = eFrame_Col(9,atom2) |
591 |
|
#else |
592 |
< |
ul_j(1) = eFrame(3,atom2) |
593 |
< |
ul_j(2) = eFrame(6,atom2) |
594 |
< |
ul_j(3) = eFrame(9,atom2) |
592 |
> |
uz_j(1) = eFrame(3,atom2) |
593 |
> |
uz_j(2) = eFrame(6,atom2) |
594 |
> |
uz_j(3) = eFrame(9,atom2) |
595 |
|
#endif |
596 |
< |
ct_j = ul_j(1)*drdxj + ul_j(2)*drdyj + ul_j(3)*drdzj |
596 |
> |
ct_j = uz_j(1)*xhat + uz_j(2)*yhat + uz_j(3)*zhat |
597 |
|
|
598 |
|
if (j_is_SplitDipole) then |
599 |
|
d_j = ElectrostaticMap(me2)%split_dipole_distance |
600 |
|
endif |
601 |
|
endif |
602 |
|
|
603 |
+ |
if (j_is_Quadrupole) then |
604 |
+ |
qxx_j = ElectrostaticMap(me2)%quadrupole_moments(1) |
605 |
+ |
qyy_j = ElectrostaticMap(me2)%quadrupole_moments(2) |
606 |
+ |
qzz_j = ElectrostaticMap(me2)%quadrupole_moments(3) |
607 |
+ |
#ifdef IS_MPI |
608 |
+ |
ux_j(1) = eFrame_Col(1,atom2) |
609 |
+ |
ux_j(2) = eFrame_Col(4,atom2) |
610 |
+ |
ux_j(3) = eFrame_Col(7,atom2) |
611 |
+ |
uy_j(1) = eFrame_Col(2,atom2) |
612 |
+ |
uy_j(2) = eFrame_Col(5,atom2) |
613 |
+ |
uy_j(3) = eFrame_Col(8,atom2) |
614 |
+ |
uz_j(1) = eFrame_Col(3,atom2) |
615 |
+ |
uz_j(2) = eFrame_Col(6,atom2) |
616 |
+ |
uz_j(3) = eFrame_Col(9,atom2) |
617 |
+ |
#else |
618 |
+ |
ux_j(1) = eFrame(1,atom2) |
619 |
+ |
ux_j(2) = eFrame(4,atom2) |
620 |
+ |
ux_j(3) = eFrame(7,atom2) |
621 |
+ |
uy_j(1) = eFrame(2,atom2) |
622 |
+ |
uy_j(2) = eFrame(5,atom2) |
623 |
+ |
uy_j(3) = eFrame(8,atom2) |
624 |
+ |
uz_j(1) = eFrame(3,atom2) |
625 |
+ |
uz_j(2) = eFrame(6,atom2) |
626 |
+ |
uz_j(3) = eFrame(9,atom2) |
627 |
+ |
#endif |
628 |
+ |
cx_j = ux_j(1)*xhat + ux_j(2)*yhat + ux_j(3)*zhat |
629 |
+ |
cy_j = uy_j(1)*xhat + uy_j(2)*yhat + uy_j(3)*zhat |
630 |
+ |
cz_j = uz_j(1)*xhat + uz_j(2)*yhat + uz_j(3)*zhat |
631 |
+ |
endif |
632 |
+ |
|
633 |
|
epot = 0.0_dp |
634 |
|
dudx = 0.0_dp |
635 |
|
dudy = 0.0_dp |
636 |
|
dudz = 0.0_dp |
637 |
|
|
638 |
< |
duduix = 0.0_dp |
639 |
< |
duduiy = 0.0_dp |
640 |
< |
duduiz = 0.0_dp |
638 |
> |
dudux_i = 0.0_dp |
639 |
> |
duduy_i = 0.0_dp |
640 |
> |
duduz_i = 0.0_dp |
641 |
|
|
642 |
< |
dudujx = 0.0_dp |
643 |
< |
dudujy = 0.0_dp |
644 |
< |
dudujz = 0.0_dp |
642 |
> |
dudux_j = 0.0_dp |
643 |
> |
duduy_j = 0.0_dp |
644 |
> |
duduz_j = 0.0_dp |
645 |
|
|
646 |
|
if (i_is_Charge) then |
647 |
|
|
648 |
|
if (j_is_Charge) then |
436 |
– |
|
437 |
– |
vterm = pre11 * q_i * q_j * riji |
438 |
– |
vpair = vpair + vterm |
439 |
– |
epot = epot + sw*vterm |
649 |
|
|
650 |
< |
dudr = - sw * vterm * riji |
650 |
> |
if (summationMethod .eq. SHIFTED_POTENTIAL) then |
651 |
> |
if (screeningMethod .eq. DAMPED) then |
652 |
> |
f0 = derfc(dampingAlpha*rij) |
653 |
> |
varEXP = exp(-alpha2*rij*rij) |
654 |
> |
f1 = alphaPi*rij*varEXP + f0c |
655 |
> |
endif |
656 |
|
|
657 |
< |
dudx = dudx + dudr * drdxj |
658 |
< |
dudy = dudy + dudr * drdyj |
659 |
< |
dudz = dudz + dudr * drdzj |
660 |
< |
|
661 |
< |
endif |
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 |
666 |
|
|
667 |
< |
if (j_is_Dipole) then |
667 |
> |
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 |
673 |
> |
|
674 |
> |
vterm = pre11 * q_i * q_j * ( riji*f0 - rcuti*f0c + & |
675 |
> |
f1c*rcuti2*(rij-defaultCutoff) ) |
676 |
> |
|
677 |
> |
vpair = vpair + vterm |
678 |
> |
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 |
|
|
686 |
< |
if (j_is_SplitDipole) then |
687 |
< |
BigR = sqrt(r2 + 0.25_dp * d_j * d_j) |
688 |
< |
ri = 1.0_dp / BigR |
689 |
< |
scale = rij * ri |
455 |
< |
else |
456 |
< |
ri = riji |
457 |
< |
scale = 1.0_dp |
458 |
< |
endif |
459 |
< |
|
460 |
< |
ri2 = ri * ri |
461 |
< |
ri3 = ri2 * ri |
462 |
< |
sc2 = scale * scale |
686 |
> |
elseif (summationMethod .eq. REACTION_FIELD) then |
687 |
> |
preVal = pre11 * q_i * q_j |
688 |
> |
rfVal = preRF*rij*rij |
689 |
> |
vterm = preVal * ( riji + rfVal ) |
690 |
|
|
691 |
< |
pref = pre12 * q_i * mu_j |
692 |
< |
vterm = pref * ct_j * ri2 * scale |
693 |
< |
vpair = vpair + vterm |
694 |
< |
epot = epot + sw * vterm |
691 |
> |
vpair = vpair + vterm |
692 |
> |
epot = epot + sw*vterm |
693 |
> |
|
694 |
> |
dudr = sw * preVal * ( 2.0d0*rfVal - riji )*riji |
695 |
> |
|
696 |
> |
dudx = dudx + dudr * xhat |
697 |
> |
dudy = dudy + dudr * yhat |
698 |
> |
dudz = dudz + dudr * zhat |
699 |
|
|
469 |
– |
!! this has a + sign in the () because the rij vector is |
470 |
– |
!! r_j - r_i and the charge-dipole potential takes the origin |
471 |
– |
!! as the point dipole, which is atom j in this case. |
472 |
– |
|
473 |
– |
dudx = dudx + pref * sw * ri3 * ( ul_j(1) + 3.0d0*ct_j*xhat*sc2) |
474 |
– |
dudy = dudy + pref * sw * ri3 * ( ul_j(2) + 3.0d0*ct_j*yhat*sc2) |
475 |
– |
dudz = dudz + pref * sw * ri3 * ( ul_j(3) + 3.0d0*ct_j*zhat*sc2) |
476 |
– |
|
477 |
– |
dudujx = dudujx - pref * sw * ri2 * xhat * scale |
478 |
– |
dudujy = dudujy - pref * sw * ri2 * yhat * scale |
479 |
– |
dudujz = dudujz - pref * sw * ri2 * zhat * scale |
480 |
– |
|
481 |
– |
endif |
482 |
– |
|
483 |
– |
endif |
484 |
– |
|
485 |
– |
if (i_is_Dipole) then |
486 |
– |
|
487 |
– |
if (j_is_Charge) then |
488 |
– |
|
489 |
– |
if (i_is_SplitDipole) then |
490 |
– |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i) |
491 |
– |
ri = 1.0_dp / BigR |
492 |
– |
scale = rij * ri |
700 |
|
else |
701 |
< |
ri = riji |
702 |
< |
scale = 1.0_dp |
703 |
< |
endif |
497 |
< |
|
498 |
< |
ri2 = ri * ri |
499 |
< |
ri3 = ri2 * ri |
500 |
< |
sc2 = scale * scale |
701 |
> |
vterm = pre11 * q_i * q_j * riji |
702 |
> |
vpair = vpair + vterm |
703 |
> |
epot = epot + sw*vterm |
704 |
|
|
705 |
< |
pref = pre12 * q_j * mu_i |
706 |
< |
vterm = pref * ct_i * ri2 * scale |
707 |
< |
vpair = vpair + vterm |
708 |
< |
epot = epot + sw * vterm |
705 |
> |
dudr = - sw * vterm * riji |
706 |
> |
|
707 |
> |
dudx = dudx + dudr * xhat |
708 |
> |
dudy = dudy + dudr * yhat |
709 |
> |
dudz = dudz + dudr * zhat |
710 |
|
|
711 |
< |
dudx = dudx + pref * sw * ri3 * ( ul_i(1) - 3.0d0 * ct_i * xhat*sc2) |
508 |
< |
dudy = dudy + pref * sw * ri3 * ( ul_i(2) - 3.0d0 * ct_i * yhat*sc2) |
509 |
< |
dudz = dudz + pref * sw * ri3 * ( ul_i(3) - 3.0d0 * ct_i * zhat*sc2) |
711 |
> |
endif |
712 |
|
|
511 |
– |
duduix = duduix + pref * sw * ri2 * xhat * scale |
512 |
– |
duduiy = duduiy + pref * sw * ri2 * yhat * scale |
513 |
– |
duduiz = duduiz + pref * sw * ri2 * zhat * scale |
713 |
|
endif |
714 |
|
|
715 |
|
if (j_is_Dipole) then |
716 |
|
|
717 |
< |
if (i_is_SplitDipole) then |
718 |
< |
if (j_is_SplitDipole) then |
719 |
< |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i + 0.25_dp * d_j * d_j) |
720 |
< |
else |
721 |
< |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i) |
722 |
< |
endif |
723 |
< |
ri = 1.0_dp / BigR |
724 |
< |
scale = rij * ri |
717 |
> |
pref = pre12 * q_i * mu_j |
718 |
> |
|
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 |
> |
|
745 |
> |
if (summationMethod .eq. REACTION_FIELD) then |
746 |
> |
ri2 = riji * riji |
747 |
> |
ri3 = ri2 * riji |
748 |
> |
|
749 |
> |
pref = pre12 * q_i * mu_j |
750 |
> |
vterm = - pref * ct_j * ( ri2 - preRF2*rij ) |
751 |
> |
vpair = vpair + vterm |
752 |
> |
epot = epot + sw*vterm |
753 |
> |
|
754 |
> |
!! this has a + sign in the () because the rij vector is |
755 |
> |
!! r_j - r_i and the charge-dipole potential takes the origin |
756 |
> |
!! as the point dipole, which is atom j in this case. |
757 |
> |
|
758 |
> |
dudx = dudx - sw*pref*( ri3*(uz_j(1) - 3.0d0*ct_j*xhat) - & |
759 |
> |
preRF2*uz_j(1) ) |
760 |
> |
dudy = dudy - sw*pref*( ri3*(uz_j(2) - 3.0d0*ct_j*yhat) - & |
761 |
> |
preRF2*uz_j(2) ) |
762 |
> |
dudz = dudz - sw*pref*( ri3*(uz_j(3) - 3.0d0*ct_j*zhat) - & |
763 |
> |
preRF2*uz_j(3) ) |
764 |
> |
duduz_j(1) = duduz_j(1) - sw*pref * xhat * ( ri2 - preRF2*rij ) |
765 |
> |
duduz_j(2) = duduz_j(2) - sw*pref * yhat * ( ri2 - preRF2*rij ) |
766 |
> |
duduz_j(3) = duduz_j(3) - sw*pref * zhat * ( ri2 - preRF2*rij ) |
767 |
> |
|
768 |
|
else |
769 |
|
if (j_is_SplitDipole) then |
770 |
|
BigR = sqrt(r2 + 0.25_dp * d_j * d_j) |
771 |
|
ri = 1.0_dp / BigR |
772 |
< |
scale = rij * ri |
773 |
< |
else |
772 |
> |
scale = rij * ri |
773 |
> |
else |
774 |
|
ri = riji |
775 |
|
scale = 1.0_dp |
776 |
|
endif |
777 |
< |
endif |
777 |
> |
|
778 |
> |
ri2 = ri * ri |
779 |
> |
ri3 = ri2 * ri |
780 |
> |
sc2 = scale * scale |
781 |
|
|
782 |
< |
ct_ij = ul_i(1)*ul_j(1) + ul_i(2)*ul_j(2) + ul_i(3)*ul_j(3) |
782 |
> |
pref = pre12 * q_i * mu_j |
783 |
> |
vterm = - pref * ct_j * ri2 * scale |
784 |
> |
vpair = vpair + vterm |
785 |
> |
epot = epot + sw*vterm |
786 |
> |
|
787 |
> |
!! this has a + sign in the () because the rij vector is |
788 |
> |
!! r_j - r_i and the charge-dipole potential takes the origin |
789 |
> |
!! as the point dipole, which is atom j in this case. |
790 |
> |
|
791 |
> |
dudx = dudx - sw*pref * ri3 * ( uz_j(1) - 3.0d0*ct_j*xhat*sc2) |
792 |
> |
dudy = dudy - sw*pref * ri3 * ( uz_j(2) - 3.0d0*ct_j*yhat*sc2) |
793 |
> |
dudz = dudz - sw*pref * ri3 * ( uz_j(3) - 3.0d0*ct_j*zhat*sc2) |
794 |
> |
|
795 |
> |
duduz_j(1) = duduz_j(1) - sw*pref * ri2 * xhat * scale |
796 |
> |
duduz_j(2) = duduz_j(2) - sw*pref * ri2 * yhat * scale |
797 |
> |
duduz_j(3) = duduz_j(3) - sw*pref * ri2 * zhat * scale |
798 |
|
|
799 |
< |
ri2 = ri * ri |
800 |
< |
ri3 = ri2 * ri |
799 |
> |
endif |
800 |
> |
endif |
801 |
> |
|
802 |
> |
if (j_is_Quadrupole) then |
803 |
> |
ri2 = riji * riji |
804 |
> |
ri3 = ri2 * riji |
805 |
|
ri4 = ri2 * ri2 |
806 |
< |
sc2 = scale * scale |
806 |
> |
cx2 = cx_j * cx_j |
807 |
> |
cy2 = cy_j * cy_j |
808 |
> |
cz2 = cz_j * cz_j |
809 |
|
|
810 |
< |
pref = pre22 * mu_i * mu_j |
811 |
< |
vterm = pref * ri3 * (ct_ij - 3.0d0 * ct_i * ct_j * sc2) |
812 |
< |
vpair = vpair + vterm |
813 |
< |
epot = epot + sw * vterm |
814 |
< |
|
815 |
< |
a1 = 5.0d0 * ct_i * ct_j * sc2 - ct_ij |
816 |
< |
|
817 |
< |
dudx=dudx+pref*sw*3.0d0*ri4*scale*(a1*xhat-ct_i*ul_j(1)-ct_j*ul_i(1)) |
818 |
< |
dudy=dudy+pref*sw*3.0d0*ri4*scale*(a1*yhat-ct_i*ul_j(2)-ct_j*ul_i(2)) |
819 |
< |
dudz=dudz+pref*sw*3.0d0*ri4*scale*(a1*zhat-ct_i*ul_j(3)-ct_j*ul_i(3)) |
820 |
< |
|
821 |
< |
duduix = duduix + pref*sw*ri3*(ul_j(1) - 3.0d0*ct_j*xhat*sc2) |
822 |
< |
duduiy = duduiy + pref*sw*ri3*(ul_j(2) - 3.0d0*ct_j*yhat*sc2) |
823 |
< |
duduiz = duduiz + pref*sw*ri3*(ul_j(3) - 3.0d0*ct_j*zhat*sc2) |
824 |
< |
|
825 |
< |
dudujx = dudujx + pref*sw*ri3*(ul_i(1) - 3.0d0*ct_i*xhat*sc2) |
826 |
< |
dudujy = dudujy + pref*sw*ri3*(ul_i(2) - 3.0d0*ct_i*yhat*sc2) |
827 |
< |
dudujz = dudujz + pref*sw*ri3*(ul_i(3) - 3.0d0*ct_i*zhat*sc2) |
810 |
> |
!!$ if (summationMethod .eq. UNDAMPED_WOLF) then |
811 |
> |
!!$ pref = pre14 * q_i / 3.0_dp |
812 |
> |
!!$ vterm1 = pref * ri3*( qxx_j * (3.0_dp*cx2 - 1.0_dp) + & |
813 |
> |
!!$ qyy_j * (3.0_dp*cy2 - 1.0_dp) + & |
814 |
> |
!!$ qzz_j * (3.0_dp*cz2 - 1.0_dp) ) |
815 |
> |
!!$ vterm2 = pref * rcuti3*( qxx_j * (3.0_dp*cx2 - 1.0_dp) + & |
816 |
> |
!!$ 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) |
899 |
> |
|
900 |
> |
!!$ endif |
901 |
|
endif |
902 |
+ |
endif |
903 |
|
|
904 |
+ |
if (i_is_Dipole) then |
905 |
+ |
|
906 |
+ |
if (j_is_Charge) then |
907 |
+ |
|
908 |
+ |
pref = pre12 * q_j * mu_i |
909 |
+ |
|
910 |
+ |
!!$ if (summationMethod .eq. UNDAMPED_WOLF) then |
911 |
+ |
!!$ ri2 = riji * riji |
912 |
+ |
!!$ ri3 = ri2 * riji |
913 |
+ |
!!$ |
914 |
+ |
!!$ pref = pre12 * q_j * mu_i |
915 |
+ |
!!$ vterm = pref * ct_i * (ri2 - rcuti2) |
916 |
+ |
!!$ vpair = vpair + vterm |
917 |
+ |
!!$ epot = epot + sw*vterm |
918 |
+ |
!!$ |
919 |
+ |
!!$ dudx = dudx + sw*pref * ( ri3*( uz_i(1) - 3.0d0*ct_i*xhat) & |
920 |
+ |
!!$ - rcuti3*( uz_i(1) - 3.0d0*ct_i*d(1)*rcuti ) ) |
921 |
+ |
!!$ dudy = dudy + sw*pref * ( ri3*( uz_i(2) - 3.0d0*ct_i*yhat) & |
922 |
+ |
!!$ - rcuti3*( uz_i(2) - 3.0d0*ct_i*d(2)*rcuti ) ) |
923 |
+ |
!!$ dudz = dudz + sw*pref * ( ri3*( uz_i(3) - 3.0d0*ct_i*zhat) & |
924 |
+ |
!!$ - rcuti3*( uz_i(3) - 3.0d0*ct_i*d(3)*rcuti ) ) |
925 |
+ |
!!$ |
926 |
+ |
!!$ duduz_i(1) = duduz_i(1) + sw*pref*( ri2*xhat - d(1)*rcuti3 ) |
927 |
+ |
!!$ duduz_i(2) = duduz_i(2) + sw*pref*( ri2*yhat - d(2)*rcuti3 ) |
928 |
+ |
!!$ duduz_i(3) = duduz_i(3) + sw*pref*( ri2*zhat - d(3)*rcuti3 ) |
929 |
+ |
!!$ |
930 |
+ |
!!$ elseif (summationMethod .eq. REACTION_FIELD) then |
931 |
+ |
if (summationMethod .eq. REACTION_FIELD) then |
932 |
+ |
ri2 = riji * riji |
933 |
+ |
ri3 = ri2 * riji |
934 |
+ |
|
935 |
+ |
pref = pre12 * q_j * mu_i |
936 |
+ |
vterm = pref * ct_i * ( ri2 - preRF2*rij ) |
937 |
+ |
vpair = vpair + vterm |
938 |
+ |
epot = epot + sw*vterm |
939 |
+ |
|
940 |
+ |
dudx = dudx + sw*pref * ( ri3*(uz_i(1) - 3.0d0*ct_i*xhat) - & |
941 |
+ |
preRF2*uz_i(1) ) |
942 |
+ |
dudy = dudy + sw*pref * ( ri3*(uz_i(2) - 3.0d0*ct_i*yhat) - & |
943 |
+ |
preRF2*uz_i(2) ) |
944 |
+ |
dudz = dudz + sw*pref * ( ri3*(uz_i(3) - 3.0d0*ct_i*zhat) - & |
945 |
+ |
preRF2*uz_i(3) ) |
946 |
+ |
|
947 |
+ |
duduz_i(1) = duduz_i(1) + sw*pref * xhat * ( ri2 - preRF2*rij ) |
948 |
+ |
duduz_i(2) = duduz_i(2) + sw*pref * yhat * ( ri2 - preRF2*rij ) |
949 |
+ |
duduz_i(3) = duduz_i(3) + sw*pref * zhat * ( ri2 - preRF2*rij ) |
950 |
+ |
|
951 |
+ |
else |
952 |
+ |
if (i_is_SplitDipole) then |
953 |
+ |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i) |
954 |
+ |
ri = 1.0_dp / BigR |
955 |
+ |
scale = rij * ri |
956 |
+ |
else |
957 |
+ |
ri = riji |
958 |
+ |
scale = 1.0_dp |
959 |
+ |
endif |
960 |
+ |
|
961 |
+ |
ri2 = ri * ri |
962 |
+ |
ri3 = ri2 * ri |
963 |
+ |
sc2 = scale * scale |
964 |
+ |
|
965 |
+ |
pref = pre12 * q_j * mu_i |
966 |
+ |
vterm = pref * ct_i * ri2 * scale |
967 |
+ |
vpair = vpair + vterm |
968 |
+ |
epot = epot + sw*vterm |
969 |
+ |
|
970 |
+ |
dudx = dudx + sw*pref * ri3 * ( uz_i(1) - 3.0d0 * ct_i * xhat*sc2) |
971 |
+ |
dudy = dudy + sw*pref * ri3 * ( uz_i(2) - 3.0d0 * ct_i * yhat*sc2) |
972 |
+ |
dudz = dudz + sw*pref * ri3 * ( uz_i(3) - 3.0d0 * ct_i * zhat*sc2) |
973 |
+ |
|
974 |
+ |
duduz_i(1) = duduz_i(1) + sw*pref * ri2 * xhat * scale |
975 |
+ |
duduz_i(2) = duduz_i(2) + sw*pref * ri2 * yhat * scale |
976 |
+ |
duduz_i(3) = duduz_i(3) + sw*pref * ri2 * zhat * scale |
977 |
+ |
endif |
978 |
+ |
endif |
979 |
+ |
|
980 |
+ |
if (j_is_Dipole) then |
981 |
+ |
|
982 |
+ |
!!$ if (summationMethod .eq. UNDAMPED_WOLF) then |
983 |
+ |
!!$ ct_ij = uz_i(1)*uz_j(1) + uz_i(2)*uz_j(2) + uz_i(3)*uz_j(3) |
984 |
+ |
!!$ |
985 |
+ |
!!$ ri2 = riji * riji |
986 |
+ |
!!$ ri3 = ri2 * riji |
987 |
+ |
!!$ ri4 = ri2 * ri2 |
988 |
+ |
!!$ |
989 |
+ |
!!$ pref = pre22 * mu_i * mu_j |
990 |
+ |
!!$ vterm = pref * (ri3 - rcuti3) * (ct_ij - 3.0d0 * ct_i * ct_j) |
991 |
+ |
!!$ vpair = vpair + vterm |
992 |
+ |
!!$ epot = epot + sw*vterm |
993 |
+ |
!!$ |
994 |
+ |
!!$ a1 = 5.0d0 * ct_i * ct_j - ct_ij |
995 |
+ |
!!$ |
996 |
+ |
!!$ dudx = dudx + sw*pref*3.0d0*( & |
997 |
+ |
!!$ ri4*(a1*xhat-ct_i*uz_j(1)-ct_j*uz_i(1)) & |
998 |
+ |
!!$ - rcuti4*(a1*xhat-ct_i*uz_j(1)-ct_j*uz_i(1)) ) |
999 |
+ |
!!$ dudy = dudy + sw*pref*3.0d0*( & |
1000 |
+ |
!!$ ri4*(a1*yhat-ct_i*uz_j(2)-ct_j*uz_i(2)) & |
1001 |
+ |
!!$ - rcuti4*(a1*yhat-ct_i*uz_j(2)-ct_j*uz_i(2)) ) |
1002 |
+ |
!!$ dudz = dudz + sw*pref*3.0d0*( & |
1003 |
+ |
!!$ ri4*(a1*zhat-ct_i*uz_j(3)-ct_j*uz_i(3)) & |
1004 |
+ |
!!$ - rcuti4*(a1*zhat-ct_i*uz_j(3)-ct_j*uz_i(3)) ) |
1005 |
+ |
!!$ |
1006 |
+ |
!!$ duduz_i(1) = duduz_i(1) + sw*pref*(ri3*(uz_j(1)-3.0d0*ct_j*xhat) & |
1007 |
+ |
!!$ - rcuti3*(uz_j(1) - 3.0d0*ct_j*xhat)) |
1008 |
+ |
!!$ duduz_i(2) = duduz_i(2) + sw*pref*(ri3*(uz_j(2)-3.0d0*ct_j*yhat) & |
1009 |
+ |
!!$ - rcuti3*(uz_j(2) - 3.0d0*ct_j*yhat)) |
1010 |
+ |
!!$ duduz_i(3) = duduz_i(3) + sw*pref*(ri3*(uz_j(3)-3.0d0*ct_j*zhat) & |
1011 |
+ |
!!$ - rcuti3*(uz_j(3) - 3.0d0*ct_j*zhat)) |
1012 |
+ |
!!$ duduz_j(1) = duduz_j(1) + sw*pref*(ri3*(uz_i(1)-3.0d0*ct_i*xhat) & |
1013 |
+ |
!!$ - rcuti3*(uz_i(1) - 3.0d0*ct_i*xhat)) |
1014 |
+ |
!!$ duduz_j(2) = duduz_j(2) + sw*pref*(ri3*(uz_i(2)-3.0d0*ct_i*yhat) & |
1015 |
+ |
!!$ - rcuti3*(uz_i(2) - 3.0d0*ct_i*yhat)) |
1016 |
+ |
!!$ duduz_j(3) = duduz_j(3) + sw*pref*(ri3*(uz_i(3)-3.0d0*ct_i*zhat) & |
1017 |
+ |
!!$ - rcuti3*(uz_i(3) - 3.0d0*ct_i*zhat)) |
1018 |
+ |
!!$ |
1019 |
+ |
!!$ elseif (summationMethod .eq. REACTION_FIELD) then |
1020 |
+ |
if (summationMethod .eq. REACTION_FIELD) then |
1021 |
+ |
ct_ij = uz_i(1)*uz_j(1) + uz_i(2)*uz_j(2) + uz_i(3)*uz_j(3) |
1022 |
+ |
|
1023 |
+ |
ri2 = riji * riji |
1024 |
+ |
ri3 = ri2 * riji |
1025 |
+ |
ri4 = ri2 * ri2 |
1026 |
+ |
|
1027 |
+ |
pref = pre22 * mu_i * mu_j |
1028 |
+ |
|
1029 |
+ |
vterm = pref*( ri3*(ct_ij - 3.0d0 * ct_i * ct_j) - & |
1030 |
+ |
preRF2*ct_ij ) |
1031 |
+ |
vpair = vpair + vterm |
1032 |
+ |
epot = epot + sw*vterm |
1033 |
+ |
|
1034 |
+ |
a1 = 5.0d0 * ct_i * ct_j - ct_ij |
1035 |
+ |
|
1036 |
+ |
dudx = dudx + sw*pref*3.0d0*ri4 & |
1037 |
+ |
* (a1*xhat-ct_i*uz_j(1)-ct_j*uz_i(1)) |
1038 |
+ |
dudy = dudy + sw*pref*3.0d0*ri4 & |
1039 |
+ |
* (a1*yhat-ct_i*uz_j(2)-ct_j*uz_i(2)) |
1040 |
+ |
dudz = dudz + sw*pref*3.0d0*ri4 & |
1041 |
+ |
* (a1*zhat-ct_i*uz_j(3)-ct_j*uz_i(3)) |
1042 |
+ |
|
1043 |
+ |
duduz_i(1) = duduz_i(1) + sw*pref*(ri3*(uz_j(1)-3.0d0*ct_j*xhat) & |
1044 |
+ |
- preRF2*uz_j(1)) |
1045 |
+ |
duduz_i(2) = duduz_i(2) + sw*pref*(ri3*(uz_j(2)-3.0d0*ct_j*yhat) & |
1046 |
+ |
- preRF2*uz_j(2)) |
1047 |
+ |
duduz_i(3) = duduz_i(3) + sw*pref*(ri3*(uz_j(3)-3.0d0*ct_j*zhat) & |
1048 |
+ |
- preRF2*uz_j(3)) |
1049 |
+ |
duduz_j(1) = duduz_j(1) + sw*pref*(ri3*(uz_i(1)-3.0d0*ct_i*xhat) & |
1050 |
+ |
- preRF2*uz_i(1)) |
1051 |
+ |
duduz_j(2) = duduz_j(2) + sw*pref*(ri3*(uz_i(2)-3.0d0*ct_i*yhat) & |
1052 |
+ |
- preRF2*uz_i(2)) |
1053 |
+ |
duduz_j(3) = duduz_j(3) + sw*pref*(ri3*(uz_i(3)-3.0d0*ct_i*zhat) & |
1054 |
+ |
- preRF2*uz_i(3)) |
1055 |
+ |
|
1056 |
+ |
else |
1057 |
+ |
if (i_is_SplitDipole) then |
1058 |
+ |
if (j_is_SplitDipole) then |
1059 |
+ |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i + 0.25_dp * d_j * d_j) |
1060 |
+ |
else |
1061 |
+ |
BigR = sqrt(r2 + 0.25_dp * d_i * d_i) |
1062 |
+ |
endif |
1063 |
+ |
ri = 1.0_dp / BigR |
1064 |
+ |
scale = rij * ri |
1065 |
+ |
else |
1066 |
+ |
if (j_is_SplitDipole) then |
1067 |
+ |
BigR = sqrt(r2 + 0.25_dp * d_j * d_j) |
1068 |
+ |
ri = 1.0_dp / BigR |
1069 |
+ |
scale = rij * ri |
1070 |
+ |
else |
1071 |
+ |
ri = riji |
1072 |
+ |
scale = 1.0_dp |
1073 |
+ |
endif |
1074 |
+ |
endif |
1075 |
+ |
|
1076 |
+ |
ct_ij = uz_i(1)*uz_j(1) + uz_i(2)*uz_j(2) + uz_i(3)*uz_j(3) |
1077 |
+ |
|
1078 |
+ |
ri2 = ri * ri |
1079 |
+ |
ri3 = ri2 * ri |
1080 |
+ |
ri4 = ri2 * ri2 |
1081 |
+ |
sc2 = scale * scale |
1082 |
+ |
|
1083 |
+ |
pref = pre22 * mu_i * mu_j |
1084 |
+ |
vterm = pref * ri3 * (ct_ij - 3.0d0 * ct_i * ct_j * sc2) |
1085 |
+ |
vpair = vpair + vterm |
1086 |
+ |
epot = epot + sw*vterm |
1087 |
+ |
|
1088 |
+ |
a1 = 5.0d0 * ct_i * ct_j * sc2 - ct_ij |
1089 |
+ |
|
1090 |
+ |
dudx = dudx + sw*pref*3.0d0*ri4*scale & |
1091 |
+ |
*(a1*xhat-ct_i*uz_j(1)-ct_j*uz_i(1)) |
1092 |
+ |
dudy = dudy + sw*pref*3.0d0*ri4*scale & |
1093 |
+ |
*(a1*yhat-ct_i*uz_j(2)-ct_j*uz_i(2)) |
1094 |
+ |
dudz = dudz + sw*pref*3.0d0*ri4*scale & |
1095 |
+ |
*(a1*zhat-ct_i*uz_j(3)-ct_j*uz_i(3)) |
1096 |
+ |
|
1097 |
+ |
duduz_i(1) = duduz_i(1) + sw*pref*ri3 & |
1098 |
+ |
*(uz_j(1) - 3.0d0*ct_j*xhat*sc2) |
1099 |
+ |
duduz_i(2) = duduz_i(2) + sw*pref*ri3 & |
1100 |
+ |
*(uz_j(2) - 3.0d0*ct_j*yhat*sc2) |
1101 |
+ |
duduz_i(3) = duduz_i(3) + sw*pref*ri3 & |
1102 |
+ |
*(uz_j(3) - 3.0d0*ct_j*zhat*sc2) |
1103 |
+ |
|
1104 |
+ |
duduz_j(1) = duduz_j(1) + sw*pref*ri3 & |
1105 |
+ |
*(uz_i(1) - 3.0d0*ct_i*xhat*sc2) |
1106 |
+ |
duduz_j(2) = duduz_j(2) + sw*pref*ri3 & |
1107 |
+ |
*(uz_i(2) - 3.0d0*ct_i*yhat*sc2) |
1108 |
+ |
duduz_j(3) = duduz_j(3) + sw*pref*ri3 & |
1109 |
+ |
*(uz_i(3) - 3.0d0*ct_i*zhat*sc2) |
1110 |
+ |
endif |
1111 |
+ |
endif |
1112 |
|
endif |
1113 |
< |
|
1113 |
> |
|
1114 |
> |
if (i_is_Quadrupole) then |
1115 |
> |
if (j_is_Charge) then |
1116 |
> |
|
1117 |
> |
ri2 = riji * riji |
1118 |
> |
ri3 = ri2 * riji |
1119 |
> |
ri4 = ri2 * ri2 |
1120 |
> |
cx2 = cx_i * cx_i |
1121 |
> |
cy2 = cy_i * cy_i |
1122 |
> |
cz2 = cz_i * cz_i |
1123 |
> |
|
1124 |
> |
!!$ if (summationMethod .eq. UNDAMPED_WOLF) then |
1125 |
> |
!!$ pref = pre14 * q_j / 3.0_dp |
1126 |
> |
!!$ vterm1 = pref * ri3*( qxx_i * (3.0_dp*cx2 - 1.0_dp) + & |
1127 |
> |
!!$ qyy_i * (3.0_dp*cy2 - 1.0_dp) + & |
1128 |
> |
!!$ qzz_i * (3.0_dp*cz2 - 1.0_dp) ) |
1129 |
> |
!!$ vterm2 = pref * rcuti3*( qxx_i * (3.0_dp*cx2 - 1.0_dp) + & |
1130 |
> |
!!$ qyy_i * (3.0_dp*cy2 - 1.0_dp) + & |
1131 |
> |
!!$ qzz_i * (3.0_dp*cz2 - 1.0_dp) ) |
1132 |
> |
!!$ vpair = vpair + ( vterm1 - vterm2 ) |
1133 |
> |
!!$ epot = epot + sw*( vterm1 - vterm2 ) |
1134 |
> |
!!$ |
1135 |
> |
!!$ dudx = dudx - sw*(5.0_dp*(vterm1*riji*xhat-vterm2*rcuti2*d(1))) +& |
1136 |
> |
!!$ sw*pref * ( (ri4 - rcuti4)*(qxx_i*(6.0_dp*cx_i*ux_i(1)) - & |
1137 |
> |
!!$ qxx_i*2.0_dp*(xhat - rcuti*d(1))) + & |
1138 |
> |
!!$ (ri4 - rcuti4)*(qyy_i*(6.0_dp*cy_i*uy_i(1)) - & |
1139 |
> |
!!$ qyy_i*2.0_dp*(xhat - rcuti*d(1))) + & |
1140 |
> |
!!$ (ri4 - rcuti4)*(qzz_i*(6.0_dp*cz_i*uz_i(1)) - & |
1141 |
> |
!!$ qzz_i*2.0_dp*(xhat - rcuti*d(1))) ) |
1142 |
> |
!!$ dudy = dudy - sw*(5.0_dp*(vterm1*riji*yhat-vterm2*rcuti2*d(2))) +& |
1143 |
> |
!!$ sw*pref * ( (ri4 - rcuti4)*(qxx_i*(6.0_dp*cx_i*ux_i(2)) - & |
1144 |
> |
!!$ qxx_i*2.0_dp*(yhat - rcuti*d(2))) + & |
1145 |
> |
!!$ (ri4 - rcuti4)*(qyy_i*(6.0_dp*cy_i*uy_i(2)) - & |
1146 |
> |
!!$ qyy_i*2.0_dp*(yhat - rcuti*d(2))) + & |
1147 |
> |
!!$ (ri4 - rcuti4)*(qzz_i*(6.0_dp*cz_i*uz_i(2)) - & |
1148 |
> |
!!$ qzz_i*2.0_dp*(yhat - rcuti*d(2))) ) |
1149 |
> |
!!$ dudz = dudz - sw*(5.0_dp*(vterm1*riji*zhat-vterm2*rcuti2*d(3))) +& |
1150 |
> |
!!$ sw*pref * ( (ri4 - rcuti4)*(qxx_i*(6.0_dp*cx_i*ux_i(3)) - & |
1151 |
> |
!!$ qxx_i*2.0_dp*(zhat - rcuti*d(3))) + & |
1152 |
> |
!!$ (ri4 - rcuti4)*(qyy_i*(6.0_dp*cy_i*uy_i(3)) - & |
1153 |
> |
!!$ qyy_i*2.0_dp*(zhat - rcuti*d(3))) + & |
1154 |
> |
!!$ (ri4 - rcuti4)*(qzz_i*(6.0_dp*cz_i*uz_i(3)) - & |
1155 |
> |
!!$ qzz_i*2.0_dp*(zhat - rcuti*d(3))) ) |
1156 |
> |
!!$ |
1157 |
> |
!!$ dudux_i(1) = dudux_i(1) + sw*pref*(ri3*(qxx_i*6.0_dp*cx_i*xhat) -& |
1158 |
> |
!!$ rcuti4*(qxx_i*6.0_dp*cx_i*d(1))) |
1159 |
> |
!!$ dudux_i(2) = dudux_i(2) + sw*pref*(ri3*(qxx_i*6.0_dp*cx_i*yhat) -& |
1160 |
> |
!!$ rcuti4*(qxx_i*6.0_dp*cx_i*d(2))) |
1161 |
> |
!!$ dudux_i(3) = dudux_i(3) + sw*pref*(ri3*(qxx_i*6.0_dp*cx_i*zhat) -& |
1162 |
> |
!!$ rcuti4*(qxx_i*6.0_dp*cx_i*d(3))) |
1163 |
> |
!!$ |
1164 |
> |
!!$ duduy_i(1) = duduy_i(1) + sw*pref*(ri3*(qyy_i*6.0_dp*cy_i*xhat) -& |
1165 |
> |
!!$ rcuti4*(qyy_i*6.0_dp*cx_i*d(1))) |
1166 |
> |
!!$ duduy_i(2) = duduy_i(2) + sw*pref*(ri3*(qyy_i*6.0_dp*cy_i*yhat) -& |
1167 |
> |
!!$ rcuti4*(qyy_i*6.0_dp*cx_i*d(2))) |
1168 |
> |
!!$ duduy_i(3) = duduy_i(3) + sw*pref*(ri3*(qyy_i*6.0_dp*cy_i*zhat) -& |
1169 |
> |
!!$ rcuti4*(qyy_i*6.0_dp*cx_i*d(3))) |
1170 |
> |
!!$ |
1171 |
> |
!!$ duduz_i(1) = duduz_i(1) + sw*pref*(ri3*(qzz_i*6.0_dp*cz_i*xhat) -& |
1172 |
> |
!!$ rcuti4*(qzz_i*6.0_dp*cx_i*d(1))) |
1173 |
> |
!!$ duduz_i(2) = duduz_i(2) + sw*pref*(ri3*(qzz_i*6.0_dp*cz_i*yhat) -& |
1174 |
> |
!!$ rcuti4*(qzz_i*6.0_dp*cx_i*d(2))) |
1175 |
> |
!!$ duduz_i(3) = duduz_i(3) + sw*pref*(ri3*(qzz_i*6.0_dp*cz_i*zhat) -& |
1176 |
> |
!!$ rcuti4*(qzz_i*6.0_dp*cx_i*d(3))) |
1177 |
> |
!!$ |
1178 |
> |
!!$ else |
1179 |
> |
pref = pre14 * q_j / 3.0_dp |
1180 |
> |
vterm = pref * ri3 * (qxx_i * (3.0_dp*cx2 - 1.0_dp) + & |
1181 |
> |
qyy_i * (3.0_dp*cy2 - 1.0_dp) + & |
1182 |
> |
qzz_i * (3.0_dp*cz2 - 1.0_dp)) |
1183 |
> |
vpair = vpair + vterm |
1184 |
> |
epot = epot + sw*vterm |
1185 |
> |
|
1186 |
> |
dudx = dudx - 5.0_dp*sw*vterm*riji*xhat + sw*pref*ri4 * ( & |
1187 |
> |
qxx_i*(6.0_dp*cx_i*ux_i(1) - 2.0_dp*xhat) + & |
1188 |
> |
qyy_i*(6.0_dp*cy_i*uy_i(1) - 2.0_dp*xhat) + & |
1189 |
> |
qzz_i*(6.0_dp*cz_i*uz_i(1) - 2.0_dp*xhat) ) |
1190 |
> |
dudy = dudy - 5.0_dp*sw*vterm*riji*yhat + sw*pref*ri4 * ( & |
1191 |
> |
qxx_i*(6.0_dp*cx_i*ux_i(2) - 2.0_dp*yhat) + & |
1192 |
> |
qyy_i*(6.0_dp*cy_i*uy_i(2) - 2.0_dp*yhat) + & |
1193 |
> |
qzz_i*(6.0_dp*cz_i*uz_i(2) - 2.0_dp*yhat) ) |
1194 |
> |
dudz = dudz - 5.0_dp*sw*vterm*riji*zhat + sw*pref*ri4 * ( & |
1195 |
> |
qxx_i*(6.0_dp*cx_i*ux_i(3) - 2.0_dp*zhat) + & |
1196 |
> |
qyy_i*(6.0_dp*cy_i*uy_i(3) - 2.0_dp*zhat) + & |
1197 |
> |
qzz_i*(6.0_dp*cz_i*uz_i(3) - 2.0_dp*zhat) ) |
1198 |
> |
|
1199 |
> |
dudux_i(1) = dudux_i(1) + sw*pref*ri3*(qxx_i*6.0_dp*cx_i*xhat) |
1200 |
> |
dudux_i(2) = dudux_i(2) + sw*pref*ri3*(qxx_i*6.0_dp*cx_i*yhat) |
1201 |
> |
dudux_i(3) = dudux_i(3) + sw*pref*ri3*(qxx_i*6.0_dp*cx_i*zhat) |
1202 |
> |
|
1203 |
> |
duduy_i(1) = duduy_i(1) + sw*pref*ri3*(qyy_i*6.0_dp*cy_i*xhat) |
1204 |
> |
duduy_i(2) = duduy_i(2) + sw*pref*ri3*(qyy_i*6.0_dp*cy_i*yhat) |
1205 |
> |
duduy_i(3) = duduy_i(3) + sw*pref*ri3*(qyy_i*6.0_dp*cy_i*zhat) |
1206 |
> |
|
1207 |
> |
duduz_i(1) = duduz_i(1) + sw*pref*ri3*(qzz_i*6.0_dp*cz_i*xhat) |
1208 |
> |
duduz_i(2) = duduz_i(2) + sw*pref*ri3*(qzz_i*6.0_dp*cz_i*yhat) |
1209 |
> |
duduz_i(3) = duduz_i(3) + sw*pref*ri3*(qzz_i*6.0_dp*cz_i*zhat) |
1210 |
> |
!!$ endif |
1211 |
> |
endif |
1212 |
> |
endif |
1213 |
> |
|
1214 |
> |
|
1215 |
|
if (do_pot) then |
1216 |
|
#ifdef IS_MPI |
1217 |
< |
pot_row(atom1) = pot_row(atom1) + 0.5d0*epot |
1218 |
< |
pot_col(atom2) = pot_col(atom2) + 0.5d0*epot |
1217 |
> |
pot_row(ELECTROSTATIC_POT,atom1) = pot_row(ELECTROSTATIC_POT,atom1) + 0.5d0*epot |
1218 |
> |
pot_col(ELECTROSTATIC_POT,atom2) = pot_col(ELECTROSTATIC_POT,atom2) + 0.5d0*epot |
1219 |
|
#else |
1220 |
|
pot = pot + epot |
1221 |
|
#endif |
1222 |
|
endif |
1223 |
< |
|
1223 |
> |
|
1224 |
|
#ifdef IS_MPI |
1225 |
|
f_Row(1,atom1) = f_Row(1,atom1) + dudx |
1226 |
|
f_Row(2,atom1) = f_Row(2,atom1) + dudy |
1227 |
|
f_Row(3,atom1) = f_Row(3,atom1) + dudz |
1228 |
< |
|
1228 |
> |
|
1229 |
|
f_Col(1,atom2) = f_Col(1,atom2) - dudx |
1230 |
|
f_Col(2,atom2) = f_Col(2,atom2) - dudy |
1231 |
|
f_Col(3,atom2) = f_Col(3,atom2) - dudz |
1232 |
< |
|
1232 |
> |
|
1233 |
|
if (i_is_Dipole .or. i_is_Quadrupole) then |
1234 |
< |
t_Row(1,atom1) = t_Row(1,atom1) - ul_i(2)*duduiz + ul_i(3)*duduiy |
1235 |
< |
t_Row(2,atom1) = t_Row(2,atom1) - ul_i(3)*duduix + ul_i(1)*duduiz |
1236 |
< |
t_Row(3,atom1) = t_Row(3,atom1) - ul_i(1)*duduiy + ul_i(2)*duduix |
1234 |
> |
t_Row(1,atom1)=t_Row(1,atom1) - uz_i(2)*duduz_i(3) + uz_i(3)*duduz_i(2) |
1235 |
> |
t_Row(2,atom1)=t_Row(2,atom1) - uz_i(3)*duduz_i(1) + uz_i(1)*duduz_i(3) |
1236 |
> |
t_Row(3,atom1)=t_Row(3,atom1) - uz_i(1)*duduz_i(2) + uz_i(2)*duduz_i(1) |
1237 |
|
endif |
1238 |
+ |
if (i_is_Quadrupole) then |
1239 |
+ |
t_Row(1,atom1)=t_Row(1,atom1) - ux_i(2)*dudux_i(3) + ux_i(3)*dudux_i(2) |
1240 |
+ |
t_Row(2,atom1)=t_Row(2,atom1) - ux_i(3)*dudux_i(1) + ux_i(1)*dudux_i(3) |
1241 |
+ |
t_Row(3,atom1)=t_Row(3,atom1) - ux_i(1)*dudux_i(2) + ux_i(2)*dudux_i(1) |
1242 |
|
|
1243 |
+ |
t_Row(1,atom1)=t_Row(1,atom1) - uy_i(2)*duduy_i(3) + uy_i(3)*duduy_i(2) |
1244 |
+ |
t_Row(2,atom1)=t_Row(2,atom1) - uy_i(3)*duduy_i(1) + uy_i(1)*duduy_i(3) |
1245 |
+ |
t_Row(3,atom1)=t_Row(3,atom1) - uy_i(1)*duduy_i(2) + uy_i(2)*duduy_i(1) |
1246 |
+ |
endif |
1247 |
+ |
|
1248 |
|
if (j_is_Dipole .or. j_is_Quadrupole) then |
1249 |
< |
t_Col(1,atom2) = t_Col(1,atom2) - ul_j(2)*dudujz + ul_j(3)*dudujy |
1250 |
< |
t_Col(2,atom2) = t_Col(2,atom2) - ul_j(3)*dudujx + ul_j(1)*dudujz |
1251 |
< |
t_Col(3,atom2) = t_Col(3,atom2) - ul_j(1)*dudujy + ul_j(2)*dudujx |
1249 |
> |
t_Col(1,atom2)=t_Col(1,atom2) - uz_j(2)*duduz_j(3) + uz_j(3)*duduz_j(2) |
1250 |
> |
t_Col(2,atom2)=t_Col(2,atom2) - uz_j(3)*duduz_j(1) + uz_j(1)*duduz_j(3) |
1251 |
> |
t_Col(3,atom2)=t_Col(3,atom2) - uz_j(1)*duduz_j(2) + uz_j(2)*duduz_j(1) |
1252 |
|
endif |
1253 |
+ |
if (j_is_Quadrupole) then |
1254 |
+ |
t_Col(1,atom2)=t_Col(1,atom2) - ux_j(2)*dudux_j(3) + ux_j(3)*dudux_j(2) |
1255 |
+ |
t_Col(2,atom2)=t_Col(2,atom2) - ux_j(3)*dudux_j(1) + ux_j(1)*dudux_j(3) |
1256 |
+ |
t_Col(3,atom2)=t_Col(3,atom2) - ux_j(1)*dudux_j(2) + ux_j(2)*dudux_j(1) |
1257 |
|
|
1258 |
+ |
t_Col(1,atom2)=t_Col(1,atom2) - uy_j(2)*duduy_j(3) + uy_j(3)*duduy_j(2) |
1259 |
+ |
t_Col(2,atom2)=t_Col(2,atom2) - uy_j(3)*duduy_j(1) + uy_j(1)*duduy_j(3) |
1260 |
+ |
t_Col(3,atom2)=t_Col(3,atom2) - uy_j(1)*duduy_j(2) + uy_j(2)*duduy_j(1) |
1261 |
+ |
endif |
1262 |
+ |
|
1263 |
|
#else |
1264 |
|
f(1,atom1) = f(1,atom1) + dudx |
1265 |
|
f(2,atom1) = f(2,atom1) + dudy |
1266 |
|
f(3,atom1) = f(3,atom1) + dudz |
1267 |
< |
|
1267 |
> |
|
1268 |
|
f(1,atom2) = f(1,atom2) - dudx |
1269 |
|
f(2,atom2) = f(2,atom2) - dudy |
1270 |
|
f(3,atom2) = f(3,atom2) - dudz |
1271 |
< |
|
1271 |
> |
|
1272 |
|
if (i_is_Dipole .or. i_is_Quadrupole) then |
1273 |
< |
t(1,atom1) = t(1,atom1) - ul_i(2)*duduiz + ul_i(3)*duduiy |
1274 |
< |
t(2,atom1) = t(2,atom1) - ul_i(3)*duduix + ul_i(1)*duduiz |
1275 |
< |
t(3,atom1) = t(3,atom1) - ul_i(1)*duduiy + ul_i(2)*duduix |
1273 |
> |
t(1,atom1)=t(1,atom1) - uz_i(2)*duduz_i(3) + uz_i(3)*duduz_i(2) |
1274 |
> |
t(2,atom1)=t(2,atom1) - uz_i(3)*duduz_i(1) + uz_i(1)*duduz_i(3) |
1275 |
> |
t(3,atom1)=t(3,atom1) - uz_i(1)*duduz_i(2) + uz_i(2)*duduz_i(1) |
1276 |
|
endif |
1277 |
< |
|
1277 |
> |
if (i_is_Quadrupole) then |
1278 |
> |
t(1,atom1)=t(1,atom1) - ux_i(2)*dudux_i(3) + ux_i(3)*dudux_i(2) |
1279 |
> |
t(2,atom1)=t(2,atom1) - ux_i(3)*dudux_i(1) + ux_i(1)*dudux_i(3) |
1280 |
> |
t(3,atom1)=t(3,atom1) - ux_i(1)*dudux_i(2) + ux_i(2)*dudux_i(1) |
1281 |
> |
|
1282 |
> |
t(1,atom1)=t(1,atom1) - uy_i(2)*duduy_i(3) + uy_i(3)*duduy_i(2) |
1283 |
> |
t(2,atom1)=t(2,atom1) - uy_i(3)*duduy_i(1) + uy_i(1)*duduy_i(3) |
1284 |
> |
t(3,atom1)=t(3,atom1) - uy_i(1)*duduy_i(2) + uy_i(2)*duduy_i(1) |
1285 |
> |
endif |
1286 |
> |
|
1287 |
|
if (j_is_Dipole .or. j_is_Quadrupole) then |
1288 |
< |
t(1,atom2) = t(1,atom2) - ul_j(2)*dudujz + ul_j(3)*dudujy |
1289 |
< |
t(2,atom2) = t(2,atom2) - ul_j(3)*dudujx + ul_j(1)*dudujz |
1290 |
< |
t(3,atom2) = t(3,atom2) - ul_j(1)*dudujy + ul_j(2)*dudujx |
1288 |
> |
t(1,atom2)=t(1,atom2) - uz_j(2)*duduz_j(3) + uz_j(3)*duduz_j(2) |
1289 |
> |
t(2,atom2)=t(2,atom2) - uz_j(3)*duduz_j(1) + uz_j(1)*duduz_j(3) |
1290 |
> |
t(3,atom2)=t(3,atom2) - uz_j(1)*duduz_j(2) + uz_j(2)*duduz_j(1) |
1291 |
|
endif |
1292 |
+ |
if (j_is_Quadrupole) then |
1293 |
+ |
t(1,atom2)=t(1,atom2) - ux_j(2)*dudux_j(3) + ux_j(3)*dudux_j(2) |
1294 |
+ |
t(2,atom2)=t(2,atom2) - ux_j(3)*dudux_j(1) + ux_j(1)*dudux_j(3) |
1295 |
+ |
t(3,atom2)=t(3,atom2) - ux_j(1)*dudux_j(2) + ux_j(2)*dudux_j(1) |
1296 |
+ |
|
1297 |
+ |
t(1,atom2)=t(1,atom2) - uy_j(2)*duduy_j(3) + uy_j(3)*duduy_j(2) |
1298 |
+ |
t(2,atom2)=t(2,atom2) - uy_j(3)*duduy_j(1) + uy_j(1)*duduy_j(3) |
1299 |
+ |
t(3,atom2)=t(3,atom2) - uy_j(1)*duduy_j(2) + uy_j(2)*duduy_j(1) |
1300 |
+ |
endif |
1301 |
+ |
|
1302 |
|
#endif |
1303 |
< |
|
1303 |
> |
|
1304 |
|
#ifdef IS_MPI |
1305 |
|
id1 = AtomRowToGlobal(atom1) |
1306 |
|
id2 = AtomColToGlobal(atom2) |
1310 |
|
#endif |
1311 |
|
|
1312 |
|
if (molMembershipList(id1) .ne. molMembershipList(id2)) then |
1313 |
< |
|
1313 |
> |
|
1314 |
|
fpair(1) = fpair(1) + dudx |
1315 |
|
fpair(2) = fpair(2) + dudy |
1316 |
|
fpair(3) = fpair(3) + dudz |
1319 |
|
|
1320 |
|
return |
1321 |
|
end subroutine doElectrostaticPair |
1322 |
< |
|
1322 |
> |
|
1323 |
> |
subroutine destroyElectrostaticTypes() |
1324 |
> |
|
1325 |
> |
if(allocated(ElectrostaticMap)) deallocate(ElectrostaticMap) |
1326 |
> |
|
1327 |
> |
end subroutine destroyElectrostaticTypes |
1328 |
> |
|
1329 |
> |
subroutine self_self(atom1, eFrame, mypot, t, do_pot) |
1330 |
> |
logical, intent(in) :: do_pot |
1331 |
> |
integer, intent(in) :: atom1 |
1332 |
> |
integer :: atid1 |
1333 |
> |
real(kind=dp), dimension(9,nLocal) :: eFrame |
1334 |
> |
real(kind=dp), dimension(3,nLocal) :: t |
1335 |
> |
real(kind=dp) :: mu1, c1 |
1336 |
> |
real(kind=dp) :: preVal, epot, mypot |
1337 |
> |
real(kind=dp) :: eix, eiy, eiz |
1338 |
> |
|
1339 |
> |
! this is a local only array, so we use the local atom type id's: |
1340 |
> |
atid1 = atid(atom1) |
1341 |
> |
|
1342 |
> |
if (.not.summationMethodChecked) then |
1343 |
> |
call checkSummationMethod() |
1344 |
> |
endif |
1345 |
> |
|
1346 |
> |
if (summationMethod .eq. REACTION_FIELD) then |
1347 |
> |
if (ElectrostaticMap(atid1)%is_Dipole) then |
1348 |
> |
mu1 = getDipoleMoment(atid1) |
1349 |
> |
|
1350 |
> |
preVal = pre22 * preRF2 * mu1*mu1 |
1351 |
> |
mypot = mypot - 0.5d0*preVal |
1352 |
> |
|
1353 |
> |
! The self-correction term adds into the reaction field vector |
1354 |
> |
|
1355 |
> |
eix = preVal * eFrame(3,atom1) |
1356 |
> |
eiy = preVal * eFrame(6,atom1) |
1357 |
> |
eiz = preVal * eFrame(9,atom1) |
1358 |
> |
|
1359 |
> |
! once again, this is self-self, so only the local arrays are needed |
1360 |
> |
! even for MPI jobs: |
1361 |
> |
|
1362 |
> |
t(1,atom1)=t(1,atom1) - eFrame(6,atom1)*eiz + & |
1363 |
> |
eFrame(9,atom1)*eiy |
1364 |
> |
t(2,atom1)=t(2,atom1) - eFrame(9,atom1)*eix + & |
1365 |
> |
eFrame(3,atom1)*eiz |
1366 |
> |
t(3,atom1)=t(3,atom1) - eFrame(3,atom1)*eiy + & |
1367 |
> |
eFrame(6,atom1)*eix |
1368 |
> |
|
1369 |
> |
endif |
1370 |
> |
|
1371 |
> |
!!$ elseif (summationMethod .eq. SHIFTED_FORCE) then |
1372 |
> |
!!$ if (ElectrostaticMap(atid1)%is_Charge) then |
1373 |
> |
!!$ c1 = getCharge(atid1) |
1374 |
> |
!!$ |
1375 |
> |
!!$ if (screeningMethod .eq. DAMPED) then |
1376 |
> |
!!$ mypot = mypot - (f0c * rcuti * 0.5_dp + & |
1377 |
> |
!!$ dampingAlpha*invRootPi) * c1 * c1 |
1378 |
> |
!!$ |
1379 |
> |
!!$ else |
1380 |
> |
!!$ mypot = mypot - (rcuti * 0.5_dp * c1 * c1) |
1381 |
> |
!!$ |
1382 |
> |
!!$ endif |
1383 |
> |
!!$ endif |
1384 |
> |
!!$ endif |
1385 |
> |
|
1386 |
> |
return |
1387 |
> |
end subroutine self_self |
1388 |
> |
|
1389 |
> |
subroutine rf_self_excludes(atom1, atom2, sw, eFrame, d, rij, vpair, myPot, & |
1390 |
> |
f, t, do_pot) |
1391 |
> |
logical, intent(in) :: do_pot |
1392 |
> |
integer, intent(in) :: atom1 |
1393 |
> |
integer, intent(in) :: atom2 |
1394 |
> |
logical :: i_is_Charge, j_is_Charge |
1395 |
> |
logical :: i_is_Dipole, j_is_Dipole |
1396 |
> |
integer :: atid1 |
1397 |
> |
integer :: atid2 |
1398 |
> |
real(kind=dp), intent(in) :: rij |
1399 |
> |
real(kind=dp), intent(in) :: sw |
1400 |
> |
real(kind=dp), intent(in), dimension(3) :: d |
1401 |
> |
real(kind=dp), intent(inout) :: vpair |
1402 |
> |
real(kind=dp), dimension(9,nLocal) :: eFrame |
1403 |
> |
real(kind=dp), dimension(3,nLocal) :: f |
1404 |
> |
real(kind=dp), dimension(3,nLocal) :: t |
1405 |
> |
real (kind = dp), dimension(3) :: duduz_i |
1406 |
> |
real (kind = dp), dimension(3) :: duduz_j |
1407 |
> |
real (kind = dp), dimension(3) :: uz_i |
1408 |
> |
real (kind = dp), dimension(3) :: uz_j |
1409 |
> |
real(kind=dp) :: q_i, q_j, mu_i, mu_j |
1410 |
> |
real(kind=dp) :: xhat, yhat, zhat |
1411 |
> |
real(kind=dp) :: ct_i, ct_j |
1412 |
> |
real(kind=dp) :: ri2, ri3, riji, vterm |
1413 |
> |
real(kind=dp) :: pref, preVal, rfVal, myPot |
1414 |
> |
real(kind=dp) :: dudx, dudy, dudz, dudr |
1415 |
> |
|
1416 |
> |
if (.not.summationMethodChecked) then |
1417 |
> |
call checkSummationMethod() |
1418 |
> |
endif |
1419 |
> |
|
1420 |
> |
dudx = 0.0d0 |
1421 |
> |
dudy = 0.0d0 |
1422 |
> |
dudz = 0.0d0 |
1423 |
> |
|
1424 |
> |
riji = 1.0d0/rij |
1425 |
> |
|
1426 |
> |
xhat = d(1) * riji |
1427 |
> |
yhat = d(2) * riji |
1428 |
> |
zhat = d(3) * riji |
1429 |
> |
|
1430 |
> |
! this is a local only array, so we use the local atom type id's: |
1431 |
> |
atid1 = atid(atom1) |
1432 |
> |
atid2 = atid(atom2) |
1433 |
> |
i_is_Charge = ElectrostaticMap(atid1)%is_Charge |
1434 |
> |
j_is_Charge = ElectrostaticMap(atid2)%is_Charge |
1435 |
> |
i_is_Dipole = ElectrostaticMap(atid1)%is_Dipole |
1436 |
> |
j_is_Dipole = ElectrostaticMap(atid2)%is_Dipole |
1437 |
> |
|
1438 |
> |
if (i_is_Charge.and.j_is_Charge) then |
1439 |
> |
q_i = ElectrostaticMap(atid1)%charge |
1440 |
> |
q_j = ElectrostaticMap(atid2)%charge |
1441 |
> |
|
1442 |
> |
preVal = pre11 * q_i * q_j |
1443 |
> |
rfVal = preRF*rij*rij |
1444 |
> |
vterm = preVal * rfVal |
1445 |
> |
|
1446 |
> |
myPot = myPot + sw*vterm |
1447 |
> |
|
1448 |
> |
dudr = sw*preVal * 2.0d0*rfVal*riji |
1449 |
> |
|
1450 |
> |
dudx = dudx + dudr * xhat |
1451 |
> |
dudy = dudy + dudr * yhat |
1452 |
> |
dudz = dudz + dudr * zhat |
1453 |
> |
|
1454 |
> |
elseif (i_is_Charge.and.j_is_Dipole) then |
1455 |
> |
q_i = ElectrostaticMap(atid1)%charge |
1456 |
> |
mu_j = ElectrostaticMap(atid2)%dipole_moment |
1457 |
> |
uz_j(1) = eFrame(3,atom2) |
1458 |
> |
uz_j(2) = eFrame(6,atom2) |
1459 |
> |
uz_j(3) = eFrame(9,atom2) |
1460 |
> |
ct_j = uz_j(1)*xhat + uz_j(2)*yhat + uz_j(3)*zhat |
1461 |
> |
|
1462 |
> |
ri2 = riji * riji |
1463 |
> |
ri3 = ri2 * riji |
1464 |
> |
|
1465 |
> |
pref = pre12 * q_i * mu_j |
1466 |
> |
vterm = - pref * ct_j * ( ri2 - preRF2*rij ) |
1467 |
> |
myPot = myPot + sw*vterm |
1468 |
> |
|
1469 |
> |
dudx = dudx - sw*pref*( ri3*(uz_j(1)-3.0d0*ct_j*xhat) & |
1470 |
> |
- preRF2*uz_j(1) ) |
1471 |
> |
dudy = dudy - sw*pref*( ri3*(uz_j(2)-3.0d0*ct_j*yhat) & |
1472 |
> |
- preRF2*uz_j(2) ) |
1473 |
> |
dudz = dudz - sw*pref*( ri3*(uz_j(3)-3.0d0*ct_j*zhat) & |
1474 |
> |
- preRF2*uz_j(3) ) |
1475 |
> |
|
1476 |
> |
duduz_j(1) = duduz_j(1) - sw * pref * xhat * ( ri2 - preRF2*rij ) |
1477 |
> |
duduz_j(2) = duduz_j(2) - sw * pref * yhat * ( ri2 - preRF2*rij ) |
1478 |
> |
duduz_j(3) = duduz_j(3) - sw * pref * zhat * ( ri2 - preRF2*rij ) |
1479 |
> |
|
1480 |
> |
elseif (i_is_Dipole.and.j_is_Charge) then |
1481 |
> |
mu_i = ElectrostaticMap(atid1)%dipole_moment |
1482 |
> |
q_j = ElectrostaticMap(atid2)%charge |
1483 |
> |
uz_i(1) = eFrame(3,atom1) |
1484 |
> |
uz_i(2) = eFrame(6,atom1) |
1485 |
> |
uz_i(3) = eFrame(9,atom1) |
1486 |
> |
ct_i = uz_i(1)*xhat + uz_i(2)*yhat + uz_i(3)*zhat |
1487 |
> |
|
1488 |
> |
ri2 = riji * riji |
1489 |
> |
ri3 = ri2 * riji |
1490 |
> |
|
1491 |
> |
pref = pre12 * q_j * mu_i |
1492 |
> |
vterm = pref * ct_i * ( ri2 - preRF2*rij ) |
1493 |
> |
myPot = myPot + sw*vterm |
1494 |
> |
|
1495 |
> |
dudx = dudx + sw*pref*( ri3*(uz_i(1)-3.0d0*ct_i*xhat) & |
1496 |
> |
- preRF2*uz_i(1) ) |
1497 |
> |
dudy = dudy + sw*pref*( ri3*(uz_i(2)-3.0d0*ct_i*yhat) & |
1498 |
> |
- preRF2*uz_i(2) ) |
1499 |
> |
dudz = dudz + sw*pref*( ri3*(uz_i(3)-3.0d0*ct_i*zhat) & |
1500 |
> |
- preRF2*uz_i(3) ) |
1501 |
> |
|
1502 |
> |
duduz_i(1) = duduz_i(1) + sw * pref * xhat * ( ri2 - preRF2*rij ) |
1503 |
> |
duduz_i(2) = duduz_i(2) + sw * pref * yhat * ( ri2 - preRF2*rij ) |
1504 |
> |
duduz_i(3) = duduz_i(3) + sw * pref * zhat * ( ri2 - preRF2*rij ) |
1505 |
> |
|
1506 |
> |
endif |
1507 |
> |
|
1508 |
> |
|
1509 |
> |
! accumulate the forces and torques resulting from the self term |
1510 |
> |
f(1,atom1) = f(1,atom1) + dudx |
1511 |
> |
f(2,atom1) = f(2,atom1) + dudy |
1512 |
> |
f(3,atom1) = f(3,atom1) + dudz |
1513 |
> |
|
1514 |
> |
f(1,atom2) = f(1,atom2) - dudx |
1515 |
> |
f(2,atom2) = f(2,atom2) - dudy |
1516 |
> |
f(3,atom2) = f(3,atom2) - dudz |
1517 |
> |
|
1518 |
> |
if (i_is_Dipole) then |
1519 |
> |
t(1,atom1)=t(1,atom1) - uz_i(2)*duduz_i(3) + uz_i(3)*duduz_i(2) |
1520 |
> |
t(2,atom1)=t(2,atom1) - uz_i(3)*duduz_i(1) + uz_i(1)*duduz_i(3) |
1521 |
> |
t(3,atom1)=t(3,atom1) - uz_i(1)*duduz_i(2) + uz_i(2)*duduz_i(1) |
1522 |
> |
elseif (j_is_Dipole) then |
1523 |
> |
t(1,atom2)=t(1,atom2) - uz_j(2)*duduz_j(3) + uz_j(3)*duduz_j(2) |
1524 |
> |
t(2,atom2)=t(2,atom2) - uz_j(3)*duduz_j(1) + uz_j(1)*duduz_j(3) |
1525 |
> |
t(3,atom2)=t(3,atom2) - uz_j(1)*duduz_j(2) + uz_j(2)*duduz_j(1) |
1526 |
> |
endif |
1527 |
> |
|
1528 |
> |
return |
1529 |
> |
end subroutine rf_self_excludes |
1530 |
> |
|
1531 |
|
end module electrostatic_module |