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!! @author Charles F. Vardeman II |
47 |
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!! @author Matthew Meineke |
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< |
!! @version $Id: doForces.F90,v 1.12 2005-03-21 20:51:06 chrisfen Exp $, $Date: 2005-03-21 20:51:06 $, $Name: not supported by cvs2svn $, $Revision: 1.12 $ |
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!! @version $Id: doForces.F90,v 1.35 2005-09-01 22:56:20 gezelter Exp $, $Date: 2005-09-01 22:56:20 $, $Name: not supported by cvs2svn $, $Revision: 1.35 $ |
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module doForces |
73 |
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|
74 |
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#define __FORTRAN90 |
75 |
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#include "UseTheForce/fSwitchingFunction.h" |
76 |
+ |
#include "UseTheForce/fCutoffPolicy.h" |
77 |
+ |
#include "UseTheForce/DarkSide/fInteractionMap.h" |
78 |
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|
79 |
+ |
|
80 |
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INTEGER, PARAMETER:: PREPAIR_LOOP = 1 |
81 |
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INTEGER, PARAMETER:: PAIR_LOOP = 2 |
82 |
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|
80 |
– |
logical, save :: haveRlist = .false. |
83 |
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logical, save :: haveNeighborList = .false. |
84 |
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logical, save :: haveSIMvariables = .false. |
83 |
– |
logical, save :: havePropertyMap = .false. |
85 |
|
logical, save :: haveSaneForceField = .false. |
86 |
< |
|
86 |
> |
logical, save :: haveInteractionHash = .false. |
87 |
> |
logical, save :: haveGtypeCutoffMap = .false. |
88 |
> |
logical, save :: haveRlist = .false. |
89 |
> |
|
90 |
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logical, save :: FF_uses_DirectionalAtoms |
87 |
– |
logical, save :: FF_uses_LennardJones |
88 |
– |
logical, save :: FF_uses_Electrostatics |
89 |
– |
logical, save :: FF_uses_Charges |
91 |
|
logical, save :: FF_uses_Dipoles |
91 |
– |
logical, save :: FF_uses_Quadrupoles |
92 |
– |
logical, save :: FF_uses_sticky |
92 |
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logical, save :: FF_uses_GayBerne |
93 |
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logical, save :: FF_uses_EAM |
95 |
– |
logical, save :: FF_uses_Shapes |
96 |
– |
logical, save :: FF_uses_FLARB |
94 |
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logical, save :: FF_uses_RF |
95 |
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|
96 |
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logical, save :: SIM_uses_DirectionalAtoms |
100 |
– |
logical, save :: SIM_uses_LennardJones |
101 |
– |
logical, save :: SIM_uses_Electrostatics |
102 |
– |
logical, save :: SIM_uses_Charges |
103 |
– |
logical, save :: SIM_uses_Dipoles |
104 |
– |
logical, save :: SIM_uses_Quadrupoles |
105 |
– |
logical, save :: SIM_uses_Sticky |
106 |
– |
logical, save :: SIM_uses_GayBerne |
97 |
|
logical, save :: SIM_uses_EAM |
108 |
– |
logical, save :: SIM_uses_Shapes |
109 |
– |
logical, save :: SIM_uses_FLARB |
98 |
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logical, save :: SIM_uses_RF |
99 |
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logical, save :: SIM_requires_postpair_calc |
100 |
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logical, save :: SIM_requires_prepair_calc |
101 |
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logical, save :: SIM_uses_PBC |
114 |
– |
logical, save :: SIM_uses_molecular_cutoffs |
102 |
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|
103 |
< |
real(kind=dp), save :: rlist, rlistsq |
103 |
> |
integer, save :: corrMethod |
104 |
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|
105 |
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public :: init_FF |
106 |
+ |
public :: setDefaultCutoffs |
107 |
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public :: do_force_loop |
108 |
< |
public :: setRlistDF |
108 |
> |
public :: createInteractionHash |
109 |
> |
public :: createGtypeCutoffMap |
110 |
> |
public :: getStickyCut |
111 |
> |
public :: getStickyPowerCut |
112 |
> |
public :: getGayBerneCut |
113 |
> |
public :: getEAMCut |
114 |
> |
public :: getShapeCut |
115 |
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|
116 |
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#ifdef PROFILE |
117 |
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public :: getforcetime |
119 |
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real :: forceTimeInitial, forceTimeFinal |
120 |
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integer :: nLoops |
121 |
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#endif |
122 |
+ |
|
123 |
+ |
!! Variables for cutoff mapping and interaction mapping |
124 |
+ |
! Bit hash to determine pair-pair interactions. |
125 |
+ |
integer, dimension(:,:), allocatable :: InteractionHash |
126 |
+ |
real(kind=dp), dimension(:), allocatable :: atypeMaxCutoff |
127 |
+ |
real(kind=dp), dimension(:), allocatable :: groupMaxCutoff |
128 |
+ |
integer, dimension(:), allocatable :: groupToGtype |
129 |
+ |
real(kind=dp), dimension(:), allocatable :: gtypeMaxCutoff |
130 |
+ |
type ::gtypeCutoffs |
131 |
+ |
real(kind=dp) :: rcut |
132 |
+ |
real(kind=dp) :: rcutsq |
133 |
+ |
real(kind=dp) :: rlistsq |
134 |
+ |
end type gtypeCutoffs |
135 |
+ |
type(gtypeCutoffs), dimension(:,:), allocatable :: gtypeCutoffMap |
136 |
|
|
137 |
< |
type :: Properties |
138 |
< |
logical :: is_Directional = .false. |
139 |
< |
logical :: is_LennardJones = .false. |
132 |
< |
logical :: is_Electrostatic = .false. |
133 |
< |
logical :: is_Charge = .false. |
134 |
< |
logical :: is_Dipole = .false. |
135 |
< |
logical :: is_Quadrupole = .false. |
136 |
< |
logical :: is_Sticky = .false. |
137 |
< |
logical :: is_GayBerne = .false. |
138 |
< |
logical :: is_EAM = .false. |
139 |
< |
logical :: is_Shape = .false. |
140 |
< |
logical :: is_FLARB = .false. |
141 |
< |
end type Properties |
142 |
< |
|
143 |
< |
type(Properties), dimension(:),allocatable :: PropertyMap |
144 |
< |
|
137 |
> |
integer, save :: cutoffPolicy = TRADITIONAL_CUTOFF_POLICY |
138 |
> |
real(kind=dp),save :: defaultRcut, defaultRsw, defaultRlist |
139 |
> |
|
140 |
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contains |
141 |
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|
142 |
< |
subroutine setRlistDF( this_rlist ) |
148 |
< |
|
149 |
< |
real(kind=dp) :: this_rlist |
150 |
< |
|
151 |
< |
rlist = this_rlist |
152 |
< |
rlistsq = rlist * rlist |
153 |
< |
|
154 |
< |
haveRlist = .true. |
155 |
< |
|
156 |
< |
end subroutine setRlistDF |
157 |
< |
|
158 |
< |
subroutine createPropertyMap(status) |
142 |
> |
subroutine createInteractionHash(status) |
143 |
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integer :: nAtypes |
144 |
< |
integer :: status |
144 |
> |
integer, intent(out) :: status |
145 |
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integer :: i |
146 |
< |
logical :: thisProperty |
147 |
< |
real (kind=DP) :: thisDPproperty |
146 |
> |
integer :: j |
147 |
> |
integer :: iHash |
148 |
> |
!! Test Types |
149 |
> |
logical :: i_is_LJ |
150 |
> |
logical :: i_is_Elect |
151 |
> |
logical :: i_is_Sticky |
152 |
> |
logical :: i_is_StickyP |
153 |
> |
logical :: i_is_GB |
154 |
> |
logical :: i_is_EAM |
155 |
> |
logical :: i_is_Shape |
156 |
> |
logical :: j_is_LJ |
157 |
> |
logical :: j_is_Elect |
158 |
> |
logical :: j_is_Sticky |
159 |
> |
logical :: j_is_StickyP |
160 |
> |
logical :: j_is_GB |
161 |
> |
logical :: j_is_EAM |
162 |
> |
logical :: j_is_Shape |
163 |
> |
real(kind=dp) :: myRcut |
164 |
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|
165 |
< |
status = 0 |
165 |
> |
status = 0 |
166 |
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|
167 |
+ |
if (.not. associated(atypes)) then |
168 |
+ |
call handleError("atype", "atypes was not present before call of createInteractionHash!") |
169 |
+ |
status = -1 |
170 |
+ |
return |
171 |
+ |
endif |
172 |
+ |
|
173 |
|
nAtypes = getSize(atypes) |
174 |
< |
|
174 |
> |
|
175 |
|
if (nAtypes == 0) then |
176 |
|
status = -1 |
177 |
|
return |
178 |
|
end if |
179 |
< |
|
180 |
< |
if (.not. allocated(PropertyMap)) then |
181 |
< |
allocate(PropertyMap(nAtypes)) |
179 |
> |
|
180 |
> |
if (.not. allocated(InteractionHash)) then |
181 |
> |
allocate(InteractionHash(nAtypes,nAtypes)) |
182 |
|
endif |
183 |
|
|
184 |
+ |
if (.not. allocated(atypeMaxCutoff)) then |
185 |
+ |
allocate(atypeMaxCutoff(nAtypes)) |
186 |
+ |
endif |
187 |
+ |
|
188 |
|
do i = 1, nAtypes |
189 |
< |
call getElementProperty(atypes, i, "is_Directional", thisProperty) |
190 |
< |
PropertyMap(i)%is_Directional = thisProperty |
189 |
> |
call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ) |
190 |
> |
call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect) |
191 |
> |
call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky) |
192 |
> |
call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP) |
193 |
> |
call getElementProperty(atypes, i, "is_GayBerne", i_is_GB) |
194 |
> |
call getElementProperty(atypes, i, "is_EAM", i_is_EAM) |
195 |
> |
call getElementProperty(atypes, i, "is_Shape", i_is_Shape) |
196 |
|
|
197 |
< |
call getElementProperty(atypes, i, "is_LennardJones", thisProperty) |
183 |
< |
PropertyMap(i)%is_LennardJones = thisProperty |
184 |
< |
|
185 |
< |
call getElementProperty(atypes, i, "is_Electrostatic", thisProperty) |
186 |
< |
PropertyMap(i)%is_Electrostatic = thisProperty |
197 |
> |
do j = i, nAtypes |
198 |
|
|
199 |
< |
call getElementProperty(atypes, i, "is_Charge", thisProperty) |
200 |
< |
PropertyMap(i)%is_Charge = thisProperty |
190 |
< |
|
191 |
< |
call getElementProperty(atypes, i, "is_Dipole", thisProperty) |
192 |
< |
PropertyMap(i)%is_Dipole = thisProperty |
199 |
> |
iHash = 0 |
200 |
> |
myRcut = 0.0_dp |
201 |
|
|
202 |
< |
call getElementProperty(atypes, i, "is_Quadrupole", thisProperty) |
203 |
< |
PropertyMap(i)%is_Quadrupole = thisProperty |
202 |
> |
call getElementProperty(atypes, j, "is_LennardJones", j_is_LJ) |
203 |
> |
call getElementProperty(atypes, j, "is_Electrostatic", j_is_Elect) |
204 |
> |
call getElementProperty(atypes, j, "is_Sticky", j_is_Sticky) |
205 |
> |
call getElementProperty(atypes, j, "is_StickyPower", j_is_StickyP) |
206 |
> |
call getElementProperty(atypes, j, "is_GayBerne", j_is_GB) |
207 |
> |
call getElementProperty(atypes, j, "is_EAM", j_is_EAM) |
208 |
> |
call getElementProperty(atypes, j, "is_Shape", j_is_Shape) |
209 |
|
|
210 |
< |
call getElementProperty(atypes, i, "is_Sticky", thisProperty) |
211 |
< |
PropertyMap(i)%is_Sticky = thisProperty |
210 |
> |
if (i_is_LJ .and. j_is_LJ) then |
211 |
> |
iHash = ior(iHash, LJ_PAIR) |
212 |
> |
endif |
213 |
> |
|
214 |
> |
if (i_is_Elect .and. j_is_Elect) then |
215 |
> |
iHash = ior(iHash, ELECTROSTATIC_PAIR) |
216 |
> |
endif |
217 |
> |
|
218 |
> |
if (i_is_Sticky .and. j_is_Sticky) then |
219 |
> |
iHash = ior(iHash, STICKY_PAIR) |
220 |
> |
endif |
221 |
|
|
222 |
< |
call getElementProperty(atypes, i, "is_GayBerne", thisProperty) |
223 |
< |
PropertyMap(i)%is_GayBerne = thisProperty |
222 |
> |
if (i_is_StickyP .and. j_is_StickyP) then |
223 |
> |
iHash = ior(iHash, STICKYPOWER_PAIR) |
224 |
> |
endif |
225 |
|
|
226 |
< |
call getElementProperty(atypes, i, "is_EAM", thisProperty) |
227 |
< |
PropertyMap(i)%is_EAM = thisProperty |
226 |
> |
if (i_is_EAM .and. j_is_EAM) then |
227 |
> |
iHash = ior(iHash, EAM_PAIR) |
228 |
> |
endif |
229 |
|
|
230 |
< |
call getElementProperty(atypes, i, "is_Shape", thisProperty) |
231 |
< |
PropertyMap(i)%is_Shape = thisProperty |
230 |
> |
if (i_is_GB .and. j_is_GB) iHash = ior(iHash, GAYBERNE_PAIR) |
231 |
> |
if (i_is_GB .and. j_is_LJ) iHash = ior(iHash, GAYBERNE_LJ) |
232 |
> |
if (i_is_LJ .and. j_is_GB) iHash = ior(iHash, GAYBERNE_LJ) |
233 |
|
|
234 |
< |
call getElementProperty(atypes, i, "is_FLARB", thisProperty) |
235 |
< |
PropertyMap(i)%is_FLARB = thisProperty |
234 |
> |
if (i_is_Shape .and. j_is_Shape) iHash = ior(iHash, SHAPE_PAIR) |
235 |
> |
if (i_is_Shape .and. j_is_LJ) iHash = ior(iHash, SHAPE_LJ) |
236 |
> |
if (i_is_LJ .and. j_is_Shape) iHash = ior(iHash, SHAPE_LJ) |
237 |
> |
|
238 |
> |
|
239 |
> |
InteractionHash(i,j) = iHash |
240 |
> |
InteractionHash(j,i) = iHash |
241 |
> |
|
242 |
> |
end do |
243 |
> |
|
244 |
|
end do |
245 |
|
|
246 |
< |
havePropertyMap = .true. |
246 |
> |
haveInteractionHash = .true. |
247 |
> |
end subroutine createInteractionHash |
248 |
|
|
249 |
< |
end subroutine createPropertyMap |
249 |
> |
subroutine createGtypeCutoffMap(stat) |
250 |
|
|
251 |
+ |
integer, intent(out), optional :: stat |
252 |
+ |
logical :: i_is_LJ |
253 |
+ |
logical :: i_is_Elect |
254 |
+ |
logical :: i_is_Sticky |
255 |
+ |
logical :: i_is_StickyP |
256 |
+ |
logical :: i_is_GB |
257 |
+ |
logical :: i_is_EAM |
258 |
+ |
logical :: i_is_Shape |
259 |
+ |
|
260 |
+ |
integer :: myStatus, nAtypes, i, j, istart, iend, jstart, jend |
261 |
+ |
integer :: n_in_i, me_i, ia, g, atom1, nGroupTypes |
262 |
+ |
real(kind=dp):: thisSigma, bigSigma, thisRcut, tol, skin |
263 |
+ |
real(kind=dp) :: biggestAtypeCutoff |
264 |
+ |
|
265 |
+ |
stat = 0 |
266 |
+ |
if (.not. haveInteractionHash) then |
267 |
+ |
call createInteractionHash(myStatus) |
268 |
+ |
if (myStatus .ne. 0) then |
269 |
+ |
write(default_error, *) 'createInteractionHash failed in doForces!' |
270 |
+ |
stat = -1 |
271 |
+ |
return |
272 |
+ |
endif |
273 |
+ |
endif |
274 |
+ |
|
275 |
+ |
nAtypes = getSize(atypes) |
276 |
+ |
|
277 |
+ |
do i = 1, nAtypes |
278 |
+ |
if (SimHasAtype(i)) then |
279 |
+ |
call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ) |
280 |
+ |
call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect) |
281 |
+ |
call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky) |
282 |
+ |
call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP) |
283 |
+ |
call getElementProperty(atypes, i, "is_GayBerne", i_is_GB) |
284 |
+ |
call getElementProperty(atypes, i, "is_EAM", i_is_EAM) |
285 |
+ |
call getElementProperty(atypes, i, "is_Shape", i_is_Shape) |
286 |
+ |
|
287 |
+ |
atypeMaxCutoff(i) = 0.0_dp |
288 |
+ |
if (i_is_LJ) then |
289 |
+ |
thisRcut = getSigma(i) * 2.5_dp |
290 |
+ |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
291 |
+ |
endif |
292 |
+ |
if (i_is_Elect) then |
293 |
+ |
thisRcut = defaultRcut |
294 |
+ |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
295 |
+ |
endif |
296 |
+ |
if (i_is_Sticky) then |
297 |
+ |
thisRcut = getStickyCut(i) |
298 |
+ |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
299 |
+ |
endif |
300 |
+ |
if (i_is_StickyP) then |
301 |
+ |
thisRcut = getStickyPowerCut(i) |
302 |
+ |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
303 |
+ |
endif |
304 |
+ |
if (i_is_GB) then |
305 |
+ |
thisRcut = getGayBerneCut(i) |
306 |
+ |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
307 |
+ |
endif |
308 |
+ |
if (i_is_EAM) then |
309 |
+ |
thisRcut = getEAMCut(i) |
310 |
+ |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
311 |
+ |
endif |
312 |
+ |
if (i_is_Shape) then |
313 |
+ |
thisRcut = getShapeCut(i) |
314 |
+ |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
315 |
+ |
endif |
316 |
+ |
|
317 |
+ |
if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then |
318 |
+ |
biggestAtypeCutoff = atypeMaxCutoff(i) |
319 |
+ |
endif |
320 |
+ |
endif |
321 |
+ |
enddo |
322 |
+ |
|
323 |
+ |
nGroupTypes = 0 |
324 |
+ |
|
325 |
+ |
istart = 1 |
326 |
+ |
#ifdef IS_MPI |
327 |
+ |
iend = nGroupsInRow |
328 |
+ |
#else |
329 |
+ |
iend = nGroups |
330 |
+ |
#endif |
331 |
+ |
|
332 |
+ |
!! allocate the groupToGtype and gtypeMaxCutoff here. |
333 |
+ |
|
334 |
+ |
!! first we do a single loop over the cutoff groups to find the |
335 |
+ |
!! largest cutoff for any atypes present in this group. We also |
336 |
+ |
!! create gtypes at this point. |
337 |
+ |
|
338 |
+ |
tol = 1.0d-6 |
339 |
+ |
|
340 |
+ |
do i = istart, iend |
341 |
+ |
n_in_i = groupStartRow(i+1) - groupStartRow(i) |
342 |
+ |
groupMaxCutoff(i) = 0.0_dp |
343 |
+ |
do ia = groupStartRow(i), groupStartRow(i+1)-1 |
344 |
+ |
atom1 = groupListRow(ia) |
345 |
+ |
#ifdef IS_MPI |
346 |
+ |
me_i = atid_row(atom1) |
347 |
+ |
#else |
348 |
+ |
me_i = atid(atom1) |
349 |
+ |
#endif |
350 |
+ |
if (atypeMaxCutoff(me_i).gt.groupMaxCutoff(i)) then |
351 |
+ |
groupMaxCutoff(i)=atypeMaxCutoff(me_i) |
352 |
+ |
endif |
353 |
+ |
enddo |
354 |
+ |
if (nGroupTypes.eq.0) then |
355 |
+ |
nGroupTypes = nGroupTypes + 1 |
356 |
+ |
gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i) |
357 |
+ |
groupToGtype(i) = nGroupTypes |
358 |
+ |
else |
359 |
+ |
do g = 1, nGroupTypes |
360 |
+ |
if ( abs(groupMaxCutoff(i) - gtypeMaxCutoff(g)).gt.tol) then |
361 |
+ |
nGroupTypes = nGroupTypes + 1 |
362 |
+ |
gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i) |
363 |
+ |
groupToGtype(i) = nGroupTypes |
364 |
+ |
else |
365 |
+ |
groupToGtype(i) = g |
366 |
+ |
endif |
367 |
+ |
enddo |
368 |
+ |
endif |
369 |
+ |
enddo |
370 |
+ |
|
371 |
+ |
!! allocate the gtypeCutoffMap here. |
372 |
+ |
|
373 |
+ |
!! then we do a double loop over all the group TYPES to find the cutoff |
374 |
+ |
!! map between groups of two types |
375 |
+ |
|
376 |
+ |
do i = 1, nGroupTypes |
377 |
+ |
do j = 1, nGroupTypes |
378 |
+ |
|
379 |
+ |
select case(cutoffPolicy) |
380 |
+ |
case(TRADITIONAL_CUTOFF_POLICY) |
381 |
+ |
thisRcut = maxval(gtypeMaxCutoff) |
382 |
+ |
case(MIX_CUTOFF_POLICY) |
383 |
+ |
thisRcut = 0.5_dp * (gtypeMaxCutoff(i) + gtypeMaxCutoff(j)) |
384 |
+ |
case(MAX_CUTOFF_POLICY) |
385 |
+ |
thisRcut = max(gtypeMaxCutoff(i), gtypeMaxCutoff(j)) |
386 |
+ |
case default |
387 |
+ |
call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy") |
388 |
+ |
return |
389 |
+ |
end select |
390 |
+ |
gtypeCutoffMap(i,j)%rcut = thisRcut |
391 |
+ |
gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut |
392 |
+ |
skin = defaultRlist - defaultRcut |
393 |
+ |
gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skin)**2 |
394 |
+ |
enddo |
395 |
+ |
enddo |
396 |
+ |
|
397 |
+ |
haveGtypeCutoffMap = .true. |
398 |
+ |
end subroutine createGtypeCutoffMap |
399 |
+ |
|
400 |
+ |
subroutine setDefaultCutoffs(defRcut, defRsw, defRlist, cutPolicy) |
401 |
+ |
real(kind=dp),intent(in) :: defRcut, defRsw, defRlist |
402 |
+ |
integer, intent(in) :: cutPolicy |
403 |
+ |
|
404 |
+ |
defaultRcut = defRcut |
405 |
+ |
defaultRsw = defRsw |
406 |
+ |
defaultRlist = defRlist |
407 |
+ |
cutoffPolicy = cutPolicy |
408 |
+ |
end subroutine setDefaultCutoffs |
409 |
+ |
|
410 |
+ |
subroutine setCutoffPolicy(cutPolicy) |
411 |
+ |
|
412 |
+ |
integer, intent(in) :: cutPolicy |
413 |
+ |
cutoffPolicy = cutPolicy |
414 |
+ |
call createGtypeCutoffMap() |
415 |
+ |
|
416 |
+ |
end subroutine setCutoffPolicy |
417 |
+ |
|
418 |
+ |
|
419 |
|
subroutine setSimVariables() |
420 |
|
SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms() |
219 |
– |
SIM_uses_LennardJones = SimUsesLennardJones() |
220 |
– |
SIM_uses_Electrostatics = SimUsesElectrostatics() |
221 |
– |
SIM_uses_Charges = SimUsesCharges() |
222 |
– |
SIM_uses_Dipoles = SimUsesDipoles() |
223 |
– |
SIM_uses_Sticky = SimUsesSticky() |
224 |
– |
SIM_uses_GayBerne = SimUsesGayBerne() |
421 |
|
SIM_uses_EAM = SimUsesEAM() |
226 |
– |
SIM_uses_Shapes = SimUsesShapes() |
227 |
– |
SIM_uses_FLARB = SimUsesFLARB() |
422 |
|
SIM_uses_RF = SimUsesRF() |
423 |
|
SIM_requires_postpair_calc = SimRequiresPostpairCalc() |
424 |
|
SIM_requires_prepair_calc = SimRequiresPrepairCalc() |
435 |
|
integer :: myStatus |
436 |
|
|
437 |
|
error = 0 |
244 |
– |
|
245 |
– |
if (.not. havePropertyMap) then |
438 |
|
|
439 |
< |
myStatus = 0 |
439 |
> |
if (.not. haveInteractionHash) then |
440 |
> |
myStatus = 0 |
441 |
> |
call createInteractionHash(myStatus) |
442 |
> |
if (myStatus .ne. 0) then |
443 |
> |
write(default_error, *) 'createInteractionHash failed in doForces!' |
444 |
> |
error = -1 |
445 |
> |
return |
446 |
> |
endif |
447 |
> |
endif |
448 |
|
|
449 |
< |
call createPropertyMap(myStatus) |
450 |
< |
|
449 |
> |
if (.not. haveGtypeCutoffMap) then |
450 |
> |
myStatus = 0 |
451 |
> |
call createGtypeCutoffMap(myStatus) |
452 |
|
if (myStatus .ne. 0) then |
453 |
< |
write(default_error, *) 'createPropertyMap failed in doForces!' |
453 |
> |
write(default_error, *) 'createGtypeCutoffMap failed in doForces!' |
454 |
|
error = -1 |
455 |
|
return |
456 |
|
endif |
487 |
|
#endif |
488 |
|
return |
489 |
|
end subroutine doReadyCheck |
289 |
– |
|
490 |
|
|
291 |
– |
subroutine init_FF(use_RF_c, thisStat) |
491 |
|
|
492 |
< |
logical, intent(in) :: use_RF_c |
492 |
> |
subroutine init_FF(use_RF, use_UW, use_DW, thisStat) |
493 |
|
|
494 |
+ |
logical, intent(in) :: use_RF |
495 |
+ |
logical, intent(in) :: use_UW |
496 |
+ |
logical, intent(in) :: use_DW |
497 |
|
integer, intent(out) :: thisStat |
498 |
|
integer :: my_status, nMatches |
499 |
+ |
integer :: corrMethod |
500 |
|
integer, pointer :: MatchList(:) => null() |
501 |
|
real(kind=dp) :: rcut, rrf, rt, dielect |
502 |
|
|
504 |
|
thisStat = 0 |
505 |
|
|
506 |
|
!! Fortran's version of a cast: |
507 |
< |
FF_uses_RF = use_RF_c |
507 |
> |
FF_uses_RF = use_RF |
508 |
> |
|
509 |
> |
!! set the electrostatic correction method |
510 |
> |
if (use_UW) then |
511 |
> |
corrMethod = 1 |
512 |
> |
elseif (use_DW) then |
513 |
> |
corrMethod = 2 |
514 |
> |
else |
515 |
> |
corrMethod = 0 |
516 |
> |
endif |
517 |
|
|
518 |
|
!! init_FF is called *after* all of the atom types have been |
519 |
|
!! defined in atype_module using the new_atype subroutine. |
520 |
|
!! |
521 |
|
!! this will scan through the known atypes and figure out what |
522 |
|
!! interactions are used by the force field. |
523 |
< |
|
523 |
> |
|
524 |
|
FF_uses_DirectionalAtoms = .false. |
313 |
– |
FF_uses_LennardJones = .false. |
314 |
– |
FF_uses_Electrostatics = .false. |
315 |
– |
FF_uses_Charges = .false. |
525 |
|
FF_uses_Dipoles = .false. |
317 |
– |
FF_uses_Sticky = .false. |
526 |
|
FF_uses_GayBerne = .false. |
527 |
|
FF_uses_EAM = .false. |
528 |
< |
FF_uses_Shapes = .false. |
321 |
< |
FF_uses_FLARB = .false. |
322 |
< |
|
528 |
> |
|
529 |
|
call getMatchingElementList(atypes, "is_Directional", .true., & |
530 |
|
nMatches, MatchList) |
531 |
|
if (nMatches .gt. 0) FF_uses_DirectionalAtoms = .true. |
532 |
|
|
327 |
– |
call getMatchingElementList(atypes, "is_LennardJones", .true., & |
328 |
– |
nMatches, MatchList) |
329 |
– |
if (nMatches .gt. 0) FF_uses_LennardJones = .true. |
330 |
– |
|
331 |
– |
call getMatchingElementList(atypes, "is_Electrostatic", .true., & |
332 |
– |
nMatches, MatchList) |
333 |
– |
if (nMatches .gt. 0) then |
334 |
– |
FF_uses_Electrostatics = .true. |
335 |
– |
endif |
336 |
– |
|
337 |
– |
call getMatchingElementList(atypes, "is_Charge", .true., & |
338 |
– |
nMatches, MatchList) |
339 |
– |
if (nMatches .gt. 0) then |
340 |
– |
FF_uses_Charges = .true. |
341 |
– |
FF_uses_Electrostatics = .true. |
342 |
– |
endif |
343 |
– |
|
533 |
|
call getMatchingElementList(atypes, "is_Dipole", .true., & |
534 |
|
nMatches, MatchList) |
535 |
< |
if (nMatches .gt. 0) then |
347 |
< |
FF_uses_Dipoles = .true. |
348 |
< |
FF_uses_Electrostatics = .true. |
349 |
< |
FF_uses_DirectionalAtoms = .true. |
350 |
< |
endif |
351 |
< |
|
352 |
< |
call getMatchingElementList(atypes, "is_Quadrupole", .true., & |
353 |
< |
nMatches, MatchList) |
354 |
< |
if (nMatches .gt. 0) then |
355 |
< |
FF_uses_Quadrupoles = .true. |
356 |
< |
FF_uses_Electrostatics = .true. |
357 |
< |
FF_uses_DirectionalAtoms = .true. |
358 |
< |
endif |
535 |
> |
if (nMatches .gt. 0) FF_uses_Dipoles = .true. |
536 |
|
|
360 |
– |
call getMatchingElementList(atypes, "is_Sticky", .true., nMatches, & |
361 |
– |
MatchList) |
362 |
– |
if (nMatches .gt. 0) then |
363 |
– |
FF_uses_Sticky = .true. |
364 |
– |
FF_uses_DirectionalAtoms = .true. |
365 |
– |
endif |
366 |
– |
|
537 |
|
call getMatchingElementList(atypes, "is_GayBerne", .true., & |
538 |
|
nMatches, MatchList) |
539 |
< |
if (nMatches .gt. 0) then |
540 |
< |
FF_uses_GayBerne = .true. |
371 |
< |
FF_uses_DirectionalAtoms = .true. |
372 |
< |
endif |
373 |
< |
|
539 |
> |
if (nMatches .gt. 0) FF_uses_GayBerne = .true. |
540 |
> |
|
541 |
|
call getMatchingElementList(atypes, "is_EAM", .true., nMatches, MatchList) |
542 |
|
if (nMatches .gt. 0) FF_uses_EAM = .true. |
376 |
– |
|
377 |
– |
call getMatchingElementList(atypes, "is_Shape", .true., & |
378 |
– |
nMatches, MatchList) |
379 |
– |
if (nMatches .gt. 0) then |
380 |
– |
FF_uses_Shapes = .true. |
381 |
– |
FF_uses_DirectionalAtoms = .true. |
382 |
– |
endif |
543 |
|
|
384 |
– |
call getMatchingElementList(atypes, "is_FLARB", .true., & |
385 |
– |
nMatches, MatchList) |
386 |
– |
if (nMatches .gt. 0) FF_uses_FLARB = .true. |
544 |
|
|
388 |
– |
!! Assume sanity (for the sake of argument) |
545 |
|
haveSaneForceField = .true. |
546 |
< |
|
546 |
> |
|
547 |
|
!! check to make sure the FF_uses_RF setting makes sense |
548 |
< |
|
549 |
< |
if (FF_uses_dipoles) then |
548 |
> |
|
549 |
> |
if (FF_uses_Dipoles) then |
550 |
|
if (FF_uses_RF) then |
551 |
|
dielect = getDielect() |
552 |
|
call initialize_rf(dielect) |
558 |
|
haveSaneForceField = .false. |
559 |
|
return |
560 |
|
endif |
561 |
< |
endif |
561 |
> |
endif |
562 |
|
|
407 |
– |
!sticky module does not contain check_sticky_FF anymore |
408 |
– |
!if (FF_uses_sticky) then |
409 |
– |
! call check_sticky_FF(my_status) |
410 |
– |
! if (my_status /= 0) then |
411 |
– |
! thisStat = -1 |
412 |
– |
! haveSaneForceField = .false. |
413 |
– |
! return |
414 |
– |
! end if |
415 |
– |
!endif |
416 |
– |
|
563 |
|
if (FF_uses_EAM) then |
564 |
< |
call init_EAM_FF(my_status) |
564 |
> |
call init_EAM_FF(my_status) |
565 |
|
if (my_status /= 0) then |
566 |
|
write(default_error, *) "init_EAM_FF returned a bad status" |
567 |
|
thisStat = -1 |
579 |
|
endif |
580 |
|
endif |
581 |
|
|
436 |
– |
if (FF_uses_GayBerne .and. FF_uses_LennardJones) then |
437 |
– |
endif |
438 |
– |
|
582 |
|
if (.not. haveNeighborList) then |
583 |
|
!! Create neighbor lists |
584 |
|
call expandNeighborList(nLocal, my_status) |
588 |
|
return |
589 |
|
endif |
590 |
|
haveNeighborList = .true. |
591 |
< |
endif |
592 |
< |
|
591 |
> |
endif |
592 |
> |
|
593 |
|
end subroutine init_FF |
451 |
– |
|
594 |
|
|
595 |
+ |
|
596 |
|
!! Does force loop over i,j pairs. Calls do_pair to calculates forces. |
597 |
|
!-------------------------------------------------------------> |
598 |
|
subroutine do_force_loop(q, q_group, A, eFrame, f, t, tau, pot, & |
642 |
|
integer :: localError |
643 |
|
integer :: propPack_i, propPack_j |
644 |
|
integer :: loopStart, loopEnd, loop |
645 |
< |
|
645 |
> |
integer :: iHash |
646 |
|
real(kind=dp) :: listSkin = 1.0 |
647 |
< |
|
647 |
> |
|
648 |
|
!! initialize local variables |
649 |
< |
|
649 |
> |
|
650 |
|
#ifdef IS_MPI |
651 |
|
pot_local = 0.0_dp |
652 |
|
nAtomsInRow = getNatomsInRow(plan_atom_row) |
656 |
|
#else |
657 |
|
natoms = nlocal |
658 |
|
#endif |
659 |
< |
|
659 |
> |
|
660 |
|
call doReadyCheck(localError) |
661 |
|
if ( localError .ne. 0 ) then |
662 |
|
call handleError("do_force_loop", "Not Initialized") |
664 |
|
return |
665 |
|
end if |
666 |
|
call zero_work_arrays() |
667 |
< |
|
667 |
> |
|
668 |
|
do_pot = do_pot_c |
669 |
|
do_stress = do_stress_c |
670 |
< |
|
670 |
> |
|
671 |
|
! Gather all information needed by all force loops: |
672 |
< |
|
672 |
> |
|
673 |
|
#ifdef IS_MPI |
674 |
< |
|
674 |
> |
|
675 |
|
call gather(q, q_Row, plan_atom_row_3d) |
676 |
|
call gather(q, q_Col, plan_atom_col_3d) |
677 |
|
|
678 |
|
call gather(q_group, q_group_Row, plan_group_row_3d) |
679 |
|
call gather(q_group, q_group_Col, plan_group_col_3d) |
680 |
< |
|
680 |
> |
|
681 |
|
if (FF_UsesDirectionalAtoms() .and. SIM_uses_DirectionalAtoms) then |
682 |
|
call gather(eFrame, eFrame_Row, plan_atom_row_rotation) |
683 |
|
call gather(eFrame, eFrame_Col, plan_atom_col_rotation) |
684 |
< |
|
684 |
> |
|
685 |
|
call gather(A, A_Row, plan_atom_row_rotation) |
686 |
|
call gather(A, A_Col, plan_atom_col_rotation) |
687 |
|
endif |
688 |
< |
|
688 |
> |
|
689 |
|
#endif |
690 |
< |
|
690 |
> |
|
691 |
|
!! Begin force loop timing: |
692 |
|
#ifdef PROFILE |
693 |
|
call cpu_time(forceTimeInitial) |
694 |
|
nloops = nloops + 1 |
695 |
|
#endif |
696 |
< |
|
696 |
> |
|
697 |
|
loopEnd = PAIR_LOOP |
698 |
|
if (FF_RequiresPrepairCalc() .and. SIM_requires_prepair_calc) then |
699 |
|
loopStart = PREPAIR_LOOP |
708 |
|
if (loop .eq. loopStart) then |
709 |
|
#ifdef IS_MPI |
710 |
|
call checkNeighborList(nGroupsInRow, q_group_row, listSkin, & |
711 |
< |
update_nlist) |
711 |
> |
update_nlist) |
712 |
|
#else |
713 |
|
call checkNeighborList(nGroups, q_group, listSkin, & |
714 |
< |
update_nlist) |
714 |
> |
update_nlist) |
715 |
|
#endif |
716 |
|
endif |
717 |
< |
|
717 |
> |
|
718 |
|
if (update_nlist) then |
719 |
|
!! save current configuration and construct neighbor list |
720 |
|
#ifdef IS_MPI |
725 |
|
neighborListSize = size(list) |
726 |
|
nlist = 0 |
727 |
|
endif |
728 |
< |
|
728 |
> |
|
729 |
|
istart = 1 |
730 |
|
#ifdef IS_MPI |
731 |
|
iend = nGroupsInRow |
735 |
|
outer: do i = istart, iend |
736 |
|
|
737 |
|
if (update_nlist) point(i) = nlist + 1 |
738 |
< |
|
738 |
> |
|
739 |
|
n_in_i = groupStartRow(i+1) - groupStartRow(i) |
740 |
< |
|
740 |
> |
|
741 |
|
if (update_nlist) then |
742 |
|
#ifdef IS_MPI |
743 |
|
jstart = 1 |
752 |
|
! make sure group i has neighbors |
753 |
|
if (jstart .gt. jend) cycle outer |
754 |
|
endif |
755 |
< |
|
755 |
> |
|
756 |
|
do jnab = jstart, jend |
757 |
|
if (update_nlist) then |
758 |
|
j = jnab |
761 |
|
endif |
762 |
|
|
763 |
|
#ifdef IS_MPI |
764 |
+ |
me_j = atid_col(j) |
765 |
|
call get_interatomic_vector(q_group_Row(:,i), & |
766 |
|
q_group_Col(:,j), d_grp, rgrpsq) |
767 |
|
#else |
768 |
+ |
me_j = atid(j) |
769 |
|
call get_interatomic_vector(q_group(:,i), & |
770 |
|
q_group(:,j), d_grp, rgrpsq) |
771 |
|
#endif |
772 |
|
|
773 |
< |
if (rgrpsq < rlistsq) then |
773 |
> |
if (rgrpsq < gtypeCutoffMap(groupToGtype(i),groupToGtype(j))%rListsq) then |
774 |
|
if (update_nlist) then |
775 |
|
nlist = nlist + 1 |
776 |
< |
|
776 |
> |
|
777 |
|
if (nlist > neighborListSize) then |
778 |
|
#ifdef IS_MPI |
779 |
|
call expandNeighborList(nGroupsInRow, listerror) |
787 |
|
end if |
788 |
|
neighborListSize = size(list) |
789 |
|
endif |
790 |
< |
|
790 |
> |
|
791 |
|
list(nlist) = j |
792 |
|
endif |
793 |
< |
|
793 |
> |
|
794 |
|
if (loop .eq. PAIR_LOOP) then |
795 |
|
vij = 0.0d0 |
796 |
|
fij(1:3) = 0.0d0 |
797 |
|
endif |
798 |
< |
|
798 |
> |
|
799 |
|
call get_switch(rgrpsq, sw, dswdr, rgrp, group_switch, & |
800 |
|
in_switching_region) |
801 |
< |
|
801 |
> |
|
802 |
|
n_in_j = groupStartCol(j+1) - groupStartCol(j) |
803 |
< |
|
803 |
> |
|
804 |
|
do ia = groupStartRow(i), groupStartRow(i+1)-1 |
805 |
< |
|
805 |
> |
|
806 |
|
atom1 = groupListRow(ia) |
807 |
< |
|
807 |
> |
|
808 |
|
inner: do jb = groupStartCol(j), groupStartCol(j+1)-1 |
809 |
< |
|
809 |
> |
|
810 |
|
atom2 = groupListCol(jb) |
811 |
< |
|
811 |
> |
|
812 |
|
if (skipThisPair(atom1, atom2)) cycle inner |
813 |
|
|
814 |
|
if ((n_in_i .eq. 1).and.(n_in_j .eq. 1)) then |
850 |
|
endif |
851 |
|
enddo inner |
852 |
|
enddo |
853 |
< |
|
853 |
> |
|
854 |
|
if (loop .eq. PAIR_LOOP) then |
855 |
|
if (in_switching_region) then |
856 |
|
swderiv = vij*dswdr/rgrp |
857 |
|
fij(1) = fij(1) + swderiv*d_grp(1) |
858 |
|
fij(2) = fij(2) + swderiv*d_grp(2) |
859 |
|
fij(3) = fij(3) + swderiv*d_grp(3) |
860 |
< |
|
860 |
> |
|
861 |
|
do ia=groupStartRow(i), groupStartRow(i+1)-1 |
862 |
|
atom1=groupListRow(ia) |
863 |
|
mf = mfactRow(atom1) |
871 |
|
f(3,atom1) = f(3,atom1) + swderiv*d_grp(3)*mf |
872 |
|
#endif |
873 |
|
enddo |
874 |
< |
|
874 |
> |
|
875 |
|
do jb=groupStartCol(j), groupStartCol(j+1)-1 |
876 |
|
atom2=groupListCol(jb) |
877 |
|
mf = mfactCol(atom2) |
886 |
|
#endif |
887 |
|
enddo |
888 |
|
endif |
889 |
< |
|
889 |
> |
|
890 |
|
if (do_stress) call add_stress_tensor(d_grp, fij) |
891 |
|
endif |
892 |
|
end if |
893 |
|
enddo |
894 |
|
enddo outer |
895 |
< |
|
895 |
> |
|
896 |
|
if (update_nlist) then |
897 |
|
#ifdef IS_MPI |
898 |
|
point(nGroupsInRow + 1) = nlist + 1 |
906 |
|
update_nlist = .false. |
907 |
|
endif |
908 |
|
endif |
909 |
< |
|
909 |
> |
|
910 |
|
if (loop .eq. PREPAIR_LOOP) then |
911 |
|
call do_preforce(nlocal, pot) |
912 |
|
endif |
913 |
< |
|
913 |
> |
|
914 |
|
enddo |
915 |
< |
|
915 |
> |
|
916 |
|
!! Do timing |
917 |
|
#ifdef PROFILE |
918 |
|
call cpu_time(forceTimeFinal) |
919 |
|
forceTime = forceTime + forceTimeFinal - forceTimeInitial |
920 |
|
#endif |
921 |
< |
|
921 |
> |
|
922 |
|
#ifdef IS_MPI |
923 |
|
!!distribute forces |
924 |
< |
|
924 |
> |
|
925 |
|
f_temp = 0.0_dp |
926 |
|
call scatter(f_Row,f_temp,plan_atom_row_3d) |
927 |
|
do i = 1,nlocal |
928 |
|
f(1:3,i) = f(1:3,i) + f_temp(1:3,i) |
929 |
|
end do |
930 |
< |
|
930 |
> |
|
931 |
|
f_temp = 0.0_dp |
932 |
|
call scatter(f_Col,f_temp,plan_atom_col_3d) |
933 |
|
do i = 1,nlocal |
934 |
|
f(1:3,i) = f(1:3,i) + f_temp(1:3,i) |
935 |
|
end do |
936 |
< |
|
936 |
> |
|
937 |
|
if (FF_UsesDirectionalAtoms() .and. SIM_uses_DirectionalAtoms) then |
938 |
|
t_temp = 0.0_dp |
939 |
|
call scatter(t_Row,t_temp,plan_atom_row_3d) |
942 |
|
end do |
943 |
|
t_temp = 0.0_dp |
944 |
|
call scatter(t_Col,t_temp,plan_atom_col_3d) |
945 |
< |
|
945 |
> |
|
946 |
|
do i = 1,nlocal |
947 |
|
t(1:3,i) = t(1:3,i) + t_temp(1:3,i) |
948 |
|
end do |
949 |
|
endif |
950 |
< |
|
950 |
> |
|
951 |
|
if (do_pot) then |
952 |
|
! scatter/gather pot_row into the members of my column |
953 |
|
call scatter(pot_Row, pot_Temp, plan_atom_row) |
954 |
< |
|
954 |
> |
|
955 |
|
! scatter/gather pot_local into all other procs |
956 |
|
! add resultant to get total pot |
957 |
|
do i = 1, nlocal |
958 |
|
pot_local = pot_local + pot_Temp(i) |
959 |
|
enddo |
960 |
< |
|
960 |
> |
|
961 |
|
pot_Temp = 0.0_DP |
962 |
< |
|
962 |
> |
|
963 |
|
call scatter(pot_Col, pot_Temp, plan_atom_col) |
964 |
|
do i = 1, nlocal |
965 |
|
pot_local = pot_local + pot_Temp(i) |
966 |
|
enddo |
967 |
< |
|
967 |
> |
|
968 |
|
endif |
969 |
|
#endif |
970 |
< |
|
970 |
> |
|
971 |
|
if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then |
972 |
< |
|
972 |
> |
|
973 |
|
if (FF_uses_RF .and. SIM_uses_RF) then |
974 |
< |
|
974 |
> |
|
975 |
|
#ifdef IS_MPI |
976 |
|
call scatter(rf_Row,rf,plan_atom_row_3d) |
977 |
|
call scatter(rf_Col,rf_Temp,plan_atom_col_3d) |
979 |
|
rf(1:3,i) = rf(1:3,i) + rf_Temp(1:3,i) |
980 |
|
end do |
981 |
|
#endif |
982 |
< |
|
982 |
> |
|
983 |
|
do i = 1, nLocal |
984 |
< |
|
984 |
> |
|
985 |
|
rfpot = 0.0_DP |
986 |
|
#ifdef IS_MPI |
987 |
|
me_i = atid_row(i) |
988 |
|
#else |
989 |
|
me_i = atid(i) |
990 |
|
#endif |
991 |
+ |
iHash = InteractionHash(me_i,me_j) |
992 |
|
|
993 |
< |
if (PropertyMap(me_i)%is_Dipole) then |
994 |
< |
|
993 |
> |
if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then |
994 |
> |
|
995 |
|
mu_i = getDipoleMoment(me_i) |
996 |
< |
|
996 |
> |
|
997 |
|
!! The reaction field needs to include a self contribution |
998 |
|
!! to the field: |
999 |
|
call accumulate_self_rf(i, mu_i, eFrame) |
1004 |
|
pot_local = pot_local + rfpot |
1005 |
|
#else |
1006 |
|
pot = pot + rfpot |
1007 |
< |
|
1007 |
> |
|
1008 |
|
#endif |
1009 |
< |
endif |
1009 |
> |
endif |
1010 |
|
enddo |
1011 |
|
endif |
1012 |
|
endif |
1013 |
< |
|
1014 |
< |
|
1013 |
> |
|
1014 |
> |
|
1015 |
|
#ifdef IS_MPI |
1016 |
< |
|
1016 |
> |
|
1017 |
|
if (do_pot) then |
1018 |
|
pot = pot + pot_local |
1019 |
|
!! we assume the c code will do the allreduce to get the total potential |
1020 |
|
!! we could do it right here if we needed to... |
1021 |
|
endif |
1022 |
< |
|
1022 |
> |
|
1023 |
|
if (do_stress) then |
1024 |
|
call mpi_allreduce(tau_Temp, tau, 9,mpi_double_precision,mpi_sum, & |
1025 |
|
mpi_comm_world,mpi_err) |
1026 |
|
call mpi_allreduce(virial_Temp, virial,1,mpi_double_precision,mpi_sum, & |
1027 |
|
mpi_comm_world,mpi_err) |
1028 |
|
endif |
1029 |
< |
|
1029 |
> |
|
1030 |
|
#else |
1031 |
< |
|
1031 |
> |
|
1032 |
|
if (do_stress) then |
1033 |
|
tau = tau_Temp |
1034 |
|
virial = virial_Temp |
1035 |
|
endif |
1036 |
< |
|
1036 |
> |
|
1037 |
|
#endif |
1038 |
< |
|
1038 |
> |
|
1039 |
|
end subroutine do_force_loop |
1040 |
< |
|
1040 |
> |
|
1041 |
|
subroutine do_pair(i, j, rijsq, d, sw, do_pot, & |
1042 |
|
eFrame, A, f, t, pot, vpair, fpair) |
1043 |
|
|
1054 |
|
real ( kind = dp ), intent(inout) :: rijsq |
1055 |
|
real ( kind = dp ) :: r |
1056 |
|
real ( kind = dp ), intent(inout) :: d(3) |
1057 |
+ |
real ( kind = dp ) :: ebalance |
1058 |
|
integer :: me_i, me_j |
1059 |
|
|
1060 |
+ |
integer :: iHash |
1061 |
+ |
|
1062 |
|
r = sqrt(rijsq) |
1063 |
|
vpair = 0.0d0 |
1064 |
|
fpair(1:3) = 0.0d0 |
1071 |
|
me_j = atid(j) |
1072 |
|
#endif |
1073 |
|
|
1074 |
< |
! write(*,*) i, j, me_i, me_j |
1075 |
< |
|
1076 |
< |
if (FF_uses_LennardJones .and. SIM_uses_LennardJones) then |
1077 |
< |
|
929 |
< |
if ( PropertyMap(me_i)%is_LennardJones .and. & |
930 |
< |
PropertyMap(me_j)%is_LennardJones ) then |
931 |
< |
call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot) |
932 |
< |
endif |
933 |
< |
|
1074 |
> |
iHash = InteractionHash(me_i, me_j) |
1075 |
> |
|
1076 |
> |
if ( iand(iHash, LJ_PAIR).ne.0 ) then |
1077 |
> |
call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot) |
1078 |
|
endif |
935 |
– |
|
936 |
– |
if (FF_uses_Electrostatics .and. SIM_uses_Electrostatics) then |
937 |
– |
|
938 |
– |
if (PropertyMap(me_i)%is_Electrostatic .and. & |
939 |
– |
PropertyMap(me_j)%is_Electrostatic) then |
940 |
– |
call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, & |
941 |
– |
pot, eFrame, f, t, do_pot) |
942 |
– |
endif |
943 |
– |
|
944 |
– |
if (FF_uses_dipoles .and. SIM_uses_dipoles) then |
945 |
– |
if ( PropertyMap(me_i)%is_Dipole .and. & |
946 |
– |
PropertyMap(me_j)%is_Dipole) then |
947 |
– |
if (FF_uses_RF .and. SIM_uses_RF) then |
948 |
– |
call accumulate_rf(i, j, r, eFrame, sw) |
949 |
– |
call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair) |
950 |
– |
endif |
951 |
– |
endif |
952 |
– |
endif |
953 |
– |
endif |
1079 |
|
|
1080 |
+ |
if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then |
1081 |
+ |
call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1082 |
+ |
pot, eFrame, f, t, do_pot, corrMethod) |
1083 |
|
|
1084 |
< |
if (FF_uses_Sticky .and. SIM_uses_sticky) then |
1084 |
> |
if (FF_uses_RF .and. SIM_uses_RF) then |
1085 |
|
|
1086 |
< |
if ( PropertyMap(me_i)%is_Sticky .and. PropertyMap(me_j)%is_Sticky) then |
1087 |
< |
call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1088 |
< |
pot, A, f, t, do_pot) |
1086 |
> |
! CHECK ME (RF needs to know about all electrostatic types) |
1087 |
> |
call accumulate_rf(i, j, r, eFrame, sw) |
1088 |
> |
call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair) |
1089 |
|
endif |
1090 |
< |
|
1090 |
> |
|
1091 |
|
endif |
1092 |
|
|
1093 |
+ |
if ( iand(iHash, STICKY_PAIR).ne.0 ) then |
1094 |
+ |
call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1095 |
+ |
pot, A, f, t, do_pot) |
1096 |
+ |
endif |
1097 |
|
|
1098 |
< |
if (FF_uses_GayBerne .and. SIM_uses_GayBerne) then |
1099 |
< |
|
1100 |
< |
if ( PropertyMap(me_i)%is_GayBerne .and. & |
969 |
< |
PropertyMap(me_j)%is_GayBerne) then |
970 |
< |
call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
971 |
< |
pot, A, f, t, do_pot) |
972 |
< |
endif |
973 |
< |
|
1098 |
> |
if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then |
1099 |
> |
call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1100 |
> |
pot, A, f, t, do_pot) |
1101 |
|
endif |
1102 |
+ |
|
1103 |
+ |
if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then |
1104 |
+ |
call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1105 |
+ |
pot, A, f, t, do_pot) |
1106 |
+ |
endif |
1107 |
|
|
1108 |
< |
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1109 |
< |
|
1110 |
< |
if ( PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) then |
979 |
< |
call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, & |
980 |
< |
do_pot) |
981 |
< |
endif |
982 |
< |
|
1108 |
> |
if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then |
1109 |
> |
! call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1110 |
> |
! pot, A, f, t, do_pot) |
1111 |
|
endif |
1112 |
|
|
1113 |
+ |
if ( iand(iHash, EAM_PAIR).ne.0 ) then |
1114 |
+ |
call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, & |
1115 |
+ |
do_pot) |
1116 |
+ |
endif |
1117 |
|
|
1118 |
< |
! write(*,*) PropertyMap(me_i)%is_Shape,PropertyMap(me_j)%is_Shape |
1118 |
> |
if ( iand(iHash, SHAPE_PAIR).ne.0 ) then |
1119 |
> |
call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1120 |
> |
pot, A, f, t, do_pot) |
1121 |
> |
endif |
1122 |
|
|
1123 |
< |
if (FF_uses_Shapes .and. SIM_uses_Shapes) then |
1124 |
< |
if ( PropertyMap(me_i)%is_Shape .and. & |
1125 |
< |
PropertyMap(me_j)%is_Shape ) then |
991 |
< |
call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
992 |
< |
pot, A, f, t, do_pot) |
993 |
< |
endif |
994 |
< |
|
1123 |
> |
if ( iand(iHash, SHAPE_LJ).ne.0 ) then |
1124 |
> |
call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1125 |
> |
pot, A, f, t, do_pot) |
1126 |
|
endif |
1127 |
|
|
1128 |
|
end subroutine do_pair |
1130 |
|
subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, & |
1131 |
|
do_pot, do_stress, eFrame, A, f, t, pot) |
1132 |
|
|
1133 |
< |
real( kind = dp ) :: pot, sw |
1134 |
< |
real( kind = dp ), dimension(9,nLocal) :: eFrame |
1135 |
< |
real (kind=dp), dimension(9,nLocal) :: A |
1136 |
< |
real (kind=dp), dimension(3,nLocal) :: f |
1137 |
< |
real (kind=dp), dimension(3,nLocal) :: t |
1007 |
< |
|
1008 |
< |
logical, intent(inout) :: do_pot, do_stress |
1009 |
< |
integer, intent(in) :: i, j |
1010 |
< |
real ( kind = dp ), intent(inout) :: rijsq, rcijsq |
1011 |
< |
real ( kind = dp ) :: r, rc |
1012 |
< |
real ( kind = dp ), intent(inout) :: d(3), dc(3) |
1013 |
< |
|
1014 |
< |
logical :: is_EAM_i, is_EAM_j |
1015 |
< |
|
1016 |
< |
integer :: me_i, me_j |
1017 |
< |
|
1133 |
> |
real( kind = dp ) :: pot, sw |
1134 |
> |
real( kind = dp ), dimension(9,nLocal) :: eFrame |
1135 |
> |
real (kind=dp), dimension(9,nLocal) :: A |
1136 |
> |
real (kind=dp), dimension(3,nLocal) :: f |
1137 |
> |
real (kind=dp), dimension(3,nLocal) :: t |
1138 |
|
|
1139 |
< |
r = sqrt(rijsq) |
1140 |
< |
if (SIM_uses_molecular_cutoffs) then |
1141 |
< |
rc = sqrt(rcijsq) |
1142 |
< |
else |
1143 |
< |
rc = r |
1024 |
< |
endif |
1025 |
< |
|
1139 |
> |
logical, intent(inout) :: do_pot, do_stress |
1140 |
> |
integer, intent(in) :: i, j |
1141 |
> |
real ( kind = dp ), intent(inout) :: rijsq, rcijsq |
1142 |
> |
real ( kind = dp ) :: r, rc |
1143 |
> |
real ( kind = dp ), intent(inout) :: d(3), dc(3) |
1144 |
|
|
1145 |
+ |
integer :: me_i, me_j, iHash |
1146 |
+ |
|
1147 |
|
#ifdef IS_MPI |
1148 |
< |
me_i = atid_row(i) |
1149 |
< |
me_j = atid_col(j) |
1148 |
> |
me_i = atid_row(i) |
1149 |
> |
me_j = atid_col(j) |
1150 |
|
#else |
1151 |
< |
me_i = atid(i) |
1152 |
< |
me_j = atid(j) |
1151 |
> |
me_i = atid(i) |
1152 |
> |
me_j = atid(j) |
1153 |
|
#endif |
1034 |
– |
|
1035 |
– |
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1036 |
– |
|
1037 |
– |
if (PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) & |
1038 |
– |
call calc_EAM_prepair_rho(i, j, d, r, rijsq ) |
1039 |
– |
|
1040 |
– |
endif |
1041 |
– |
|
1042 |
– |
end subroutine do_prepair |
1043 |
– |
|
1044 |
– |
|
1045 |
– |
subroutine do_preforce(nlocal,pot) |
1046 |
– |
integer :: nlocal |
1047 |
– |
real( kind = dp ) :: pot |
1048 |
– |
|
1049 |
– |
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1050 |
– |
call calc_EAM_preforce_Frho(nlocal,pot) |
1051 |
– |
endif |
1052 |
– |
|
1053 |
– |
|
1054 |
– |
end subroutine do_preforce |
1055 |
– |
|
1056 |
– |
|
1057 |
– |
subroutine get_interatomic_vector(q_i, q_j, d, r_sq) |
1058 |
– |
|
1059 |
– |
real (kind = dp), dimension(3) :: q_i |
1060 |
– |
real (kind = dp), dimension(3) :: q_j |
1061 |
– |
real ( kind = dp ), intent(out) :: r_sq |
1062 |
– |
real( kind = dp ) :: d(3), scaled(3) |
1063 |
– |
integer i |
1064 |
– |
|
1065 |
– |
d(1:3) = q_j(1:3) - q_i(1:3) |
1066 |
– |
|
1067 |
– |
! Wrap back into periodic box if necessary |
1068 |
– |
if ( SIM_uses_PBC ) then |
1069 |
– |
|
1070 |
– |
if( .not.boxIsOrthorhombic ) then |
1071 |
– |
! calc the scaled coordinates. |
1072 |
– |
|
1073 |
– |
scaled = matmul(HmatInv, d) |
1074 |
– |
|
1075 |
– |
! wrap the scaled coordinates |
1076 |
– |
|
1077 |
– |
scaled = scaled - anint(scaled) |
1078 |
– |
|
1079 |
– |
|
1080 |
– |
! calc the wrapped real coordinates from the wrapped scaled |
1081 |
– |
! coordinates |
1082 |
– |
|
1083 |
– |
d = matmul(Hmat,scaled) |
1084 |
– |
|
1085 |
– |
else |
1086 |
– |
! calc the scaled coordinates. |
1087 |
– |
|
1088 |
– |
do i = 1, 3 |
1089 |
– |
scaled(i) = d(i) * HmatInv(i,i) |
1090 |
– |
|
1091 |
– |
! wrap the scaled coordinates |
1092 |
– |
|
1093 |
– |
scaled(i) = scaled(i) - anint(scaled(i)) |
1094 |
– |
|
1095 |
– |
! calc the wrapped real coordinates from the wrapped scaled |
1096 |
– |
! coordinates |
1097 |
– |
|
1098 |
– |
d(i) = scaled(i)*Hmat(i,i) |
1099 |
– |
enddo |
1100 |
– |
endif |
1101 |
– |
|
1102 |
– |
endif |
1103 |
– |
|
1104 |
– |
r_sq = dot_product(d,d) |
1105 |
– |
|
1106 |
– |
end subroutine get_interatomic_vector |
1107 |
– |
|
1108 |
– |
subroutine zero_work_arrays() |
1109 |
– |
|
1110 |
– |
#ifdef IS_MPI |
1111 |
– |
|
1112 |
– |
q_Row = 0.0_dp |
1113 |
– |
q_Col = 0.0_dp |
1154 |
|
|
1155 |
< |
q_group_Row = 0.0_dp |
1156 |
< |
q_group_Col = 0.0_dp |
1157 |
< |
|
1158 |
< |
eFrame_Row = 0.0_dp |
1159 |
< |
eFrame_Col = 0.0_dp |
1160 |
< |
|
1161 |
< |
A_Row = 0.0_dp |
1162 |
< |
A_Col = 0.0_dp |
1163 |
< |
|
1164 |
< |
f_Row = 0.0_dp |
1165 |
< |
f_Col = 0.0_dp |
1166 |
< |
f_Temp = 0.0_dp |
1167 |
< |
|
1168 |
< |
t_Row = 0.0_dp |
1169 |
< |
t_Col = 0.0_dp |
1170 |
< |
t_Temp = 0.0_dp |
1171 |
< |
|
1172 |
< |
pot_Row = 0.0_dp |
1173 |
< |
pot_Col = 0.0_dp |
1174 |
< |
pot_Temp = 0.0_dp |
1175 |
< |
|
1176 |
< |
rf_Row = 0.0_dp |
1177 |
< |
rf_Col = 0.0_dp |
1178 |
< |
rf_Temp = 0.0_dp |
1179 |
< |
|
1180 |
< |
#endif |
1181 |
< |
|
1182 |
< |
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1183 |
< |
call clean_EAM() |
1184 |
< |
endif |
1185 |
< |
|
1186 |
< |
rf = 0.0_dp |
1187 |
< |
tau_Temp = 0.0_dp |
1188 |
< |
virial_Temp = 0.0_dp |
1189 |
< |
end subroutine zero_work_arrays |
1190 |
< |
|
1191 |
< |
function skipThisPair(atom1, atom2) result(skip_it) |
1192 |
< |
integer, intent(in) :: atom1 |
1193 |
< |
integer, intent(in), optional :: atom2 |
1194 |
< |
logical :: skip_it |
1195 |
< |
integer :: unique_id_1, unique_id_2 |
1196 |
< |
integer :: me_i,me_j |
1197 |
< |
integer :: i |
1198 |
< |
|
1199 |
< |
skip_it = .false. |
1200 |
< |
|
1201 |
< |
!! there are a number of reasons to skip a pair or a particle |
1202 |
< |
!! mostly we do this to exclude atoms who are involved in short |
1203 |
< |
!! range interactions (bonds, bends, torsions), but we also need |
1204 |
< |
!! to exclude some overcounted interactions that result from |
1205 |
< |
!! the parallel decomposition |
1206 |
< |
|
1207 |
< |
#ifdef IS_MPI |
1208 |
< |
!! in MPI, we have to look up the unique IDs for each atom |
1209 |
< |
unique_id_1 = AtomRowToGlobal(atom1) |
1210 |
< |
#else |
1211 |
< |
!! in the normal loop, the atom numbers are unique |
1212 |
< |
unique_id_1 = atom1 |
1213 |
< |
#endif |
1214 |
< |
|
1215 |
< |
!! We were called with only one atom, so just check the global exclude |
1216 |
< |
!! list for this atom |
1217 |
< |
if (.not. present(atom2)) then |
1218 |
< |
do i = 1, nExcludes_global |
1219 |
< |
if (excludesGlobal(i) == unique_id_1) then |
1220 |
< |
skip_it = .true. |
1221 |
< |
return |
1222 |
< |
end if |
1223 |
< |
end do |
1224 |
< |
return |
1225 |
< |
end if |
1226 |
< |
|
1227 |
< |
#ifdef IS_MPI |
1228 |
< |
unique_id_2 = AtomColToGlobal(atom2) |
1189 |
< |
#else |
1190 |
< |
unique_id_2 = atom2 |
1191 |
< |
#endif |
1192 |
< |
|
1155 |
> |
iHash = InteractionHash(me_i, me_j) |
1156 |
> |
|
1157 |
> |
if ( iand(iHash, EAM_PAIR).ne.0 ) then |
1158 |
> |
call calc_EAM_prepair_rho(i, j, d, r, rijsq ) |
1159 |
> |
endif |
1160 |
> |
|
1161 |
> |
end subroutine do_prepair |
1162 |
> |
|
1163 |
> |
|
1164 |
> |
subroutine do_preforce(nlocal,pot) |
1165 |
> |
integer :: nlocal |
1166 |
> |
real( kind = dp ) :: pot |
1167 |
> |
|
1168 |
> |
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1169 |
> |
call calc_EAM_preforce_Frho(nlocal,pot) |
1170 |
> |
endif |
1171 |
> |
|
1172 |
> |
|
1173 |
> |
end subroutine do_preforce |
1174 |
> |
|
1175 |
> |
|
1176 |
> |
subroutine get_interatomic_vector(q_i, q_j, d, r_sq) |
1177 |
> |
|
1178 |
> |
real (kind = dp), dimension(3) :: q_i |
1179 |
> |
real (kind = dp), dimension(3) :: q_j |
1180 |
> |
real ( kind = dp ), intent(out) :: r_sq |
1181 |
> |
real( kind = dp ) :: d(3), scaled(3) |
1182 |
> |
integer i |
1183 |
> |
|
1184 |
> |
d(1:3) = q_j(1:3) - q_i(1:3) |
1185 |
> |
|
1186 |
> |
! Wrap back into periodic box if necessary |
1187 |
> |
if ( SIM_uses_PBC ) then |
1188 |
> |
|
1189 |
> |
if( .not.boxIsOrthorhombic ) then |
1190 |
> |
! calc the scaled coordinates. |
1191 |
> |
|
1192 |
> |
scaled = matmul(HmatInv, d) |
1193 |
> |
|
1194 |
> |
! wrap the scaled coordinates |
1195 |
> |
|
1196 |
> |
scaled = scaled - anint(scaled) |
1197 |
> |
|
1198 |
> |
|
1199 |
> |
! calc the wrapped real coordinates from the wrapped scaled |
1200 |
> |
! coordinates |
1201 |
> |
|
1202 |
> |
d = matmul(Hmat,scaled) |
1203 |
> |
|
1204 |
> |
else |
1205 |
> |
! calc the scaled coordinates. |
1206 |
> |
|
1207 |
> |
do i = 1, 3 |
1208 |
> |
scaled(i) = d(i) * HmatInv(i,i) |
1209 |
> |
|
1210 |
> |
! wrap the scaled coordinates |
1211 |
> |
|
1212 |
> |
scaled(i) = scaled(i) - anint(scaled(i)) |
1213 |
> |
|
1214 |
> |
! calc the wrapped real coordinates from the wrapped scaled |
1215 |
> |
! coordinates |
1216 |
> |
|
1217 |
> |
d(i) = scaled(i)*Hmat(i,i) |
1218 |
> |
enddo |
1219 |
> |
endif |
1220 |
> |
|
1221 |
> |
endif |
1222 |
> |
|
1223 |
> |
r_sq = dot_product(d,d) |
1224 |
> |
|
1225 |
> |
end subroutine get_interatomic_vector |
1226 |
> |
|
1227 |
> |
subroutine zero_work_arrays() |
1228 |
> |
|
1229 |
|
#ifdef IS_MPI |
1230 |
< |
!! this situation should only arise in MPI simulations |
1231 |
< |
if (unique_id_1 == unique_id_2) then |
1232 |
< |
skip_it = .true. |
1233 |
< |
return |
1234 |
< |
end if |
1235 |
< |
|
1236 |
< |
!! this prevents us from doing the pair on multiple processors |
1237 |
< |
if (unique_id_1 < unique_id_2) then |
1238 |
< |
if (mod(unique_id_1 + unique_id_2,2) == 0) then |
1239 |
< |
skip_it = .true. |
1240 |
< |
return |
1241 |
< |
endif |
1242 |
< |
else |
1243 |
< |
if (mod(unique_id_1 + unique_id_2,2) == 1) then |
1244 |
< |
skip_it = .true. |
1245 |
< |
return |
1246 |
< |
endif |
1247 |
< |
endif |
1230 |
> |
|
1231 |
> |
q_Row = 0.0_dp |
1232 |
> |
q_Col = 0.0_dp |
1233 |
> |
|
1234 |
> |
q_group_Row = 0.0_dp |
1235 |
> |
q_group_Col = 0.0_dp |
1236 |
> |
|
1237 |
> |
eFrame_Row = 0.0_dp |
1238 |
> |
eFrame_Col = 0.0_dp |
1239 |
> |
|
1240 |
> |
A_Row = 0.0_dp |
1241 |
> |
A_Col = 0.0_dp |
1242 |
> |
|
1243 |
> |
f_Row = 0.0_dp |
1244 |
> |
f_Col = 0.0_dp |
1245 |
> |
f_Temp = 0.0_dp |
1246 |
> |
|
1247 |
> |
t_Row = 0.0_dp |
1248 |
> |
t_Col = 0.0_dp |
1249 |
> |
t_Temp = 0.0_dp |
1250 |
> |
|
1251 |
> |
pot_Row = 0.0_dp |
1252 |
> |
pot_Col = 0.0_dp |
1253 |
> |
pot_Temp = 0.0_dp |
1254 |
> |
|
1255 |
> |
rf_Row = 0.0_dp |
1256 |
> |
rf_Col = 0.0_dp |
1257 |
> |
rf_Temp = 0.0_dp |
1258 |
> |
|
1259 |
|
#endif |
1260 |
< |
|
1261 |
< |
!! the rest of these situations can happen in all simulations: |
1262 |
< |
do i = 1, nExcludes_global |
1263 |
< |
if ((excludesGlobal(i) == unique_id_1) .or. & |
1264 |
< |
(excludesGlobal(i) == unique_id_2)) then |
1265 |
< |
skip_it = .true. |
1266 |
< |
return |
1267 |
< |
endif |
1268 |
< |
enddo |
1269 |
< |
|
1270 |
< |
do i = 1, nSkipsForAtom(atom1) |
1271 |
< |
if (skipsForAtom(atom1, i) .eq. unique_id_2) then |
1272 |
< |
skip_it = .true. |
1273 |
< |
return |
1274 |
< |
endif |
1275 |
< |
end do |
1276 |
< |
|
1277 |
< |
return |
1278 |
< |
end function skipThisPair |
1279 |
< |
|
1280 |
< |
function FF_UsesDirectionalAtoms() result(doesit) |
1281 |
< |
logical :: doesit |
1282 |
< |
doesit = FF_uses_DirectionalAtoms .or. FF_uses_Dipoles .or. & |
1283 |
< |
FF_uses_Quadrupoles .or. FF_uses_Sticky .or. & |
1284 |
< |
FF_uses_GayBerne .or. FF_uses_Shapes |
1285 |
< |
end function FF_UsesDirectionalAtoms |
1286 |
< |
|
1287 |
< |
function FF_RequiresPrepairCalc() result(doesit) |
1288 |
< |
logical :: doesit |
1289 |
< |
doesit = FF_uses_EAM |
1290 |
< |
end function FF_RequiresPrepairCalc |
1291 |
< |
|
1292 |
< |
function FF_RequiresPostpairCalc() result(doesit) |
1293 |
< |
logical :: doesit |
1294 |
< |
doesit = FF_uses_RF |
1295 |
< |
end function FF_RequiresPostpairCalc |
1296 |
< |
|
1260 |
> |
|
1261 |
> |
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1262 |
> |
call clean_EAM() |
1263 |
> |
endif |
1264 |
> |
|
1265 |
> |
rf = 0.0_dp |
1266 |
> |
tau_Temp = 0.0_dp |
1267 |
> |
virial_Temp = 0.0_dp |
1268 |
> |
end subroutine zero_work_arrays |
1269 |
> |
|
1270 |
> |
function skipThisPair(atom1, atom2) result(skip_it) |
1271 |
> |
integer, intent(in) :: atom1 |
1272 |
> |
integer, intent(in), optional :: atom2 |
1273 |
> |
logical :: skip_it |
1274 |
> |
integer :: unique_id_1, unique_id_2 |
1275 |
> |
integer :: me_i,me_j |
1276 |
> |
integer :: i |
1277 |
> |
|
1278 |
> |
skip_it = .false. |
1279 |
> |
|
1280 |
> |
!! there are a number of reasons to skip a pair or a particle |
1281 |
> |
!! mostly we do this to exclude atoms who are involved in short |
1282 |
> |
!! range interactions (bonds, bends, torsions), but we also need |
1283 |
> |
!! to exclude some overcounted interactions that result from |
1284 |
> |
!! the parallel decomposition |
1285 |
> |
|
1286 |
> |
#ifdef IS_MPI |
1287 |
> |
!! in MPI, we have to look up the unique IDs for each atom |
1288 |
> |
unique_id_1 = AtomRowToGlobal(atom1) |
1289 |
> |
#else |
1290 |
> |
!! in the normal loop, the atom numbers are unique |
1291 |
> |
unique_id_1 = atom1 |
1292 |
> |
#endif |
1293 |
> |
|
1294 |
> |
!! We were called with only one atom, so just check the global exclude |
1295 |
> |
!! list for this atom |
1296 |
> |
if (.not. present(atom2)) then |
1297 |
> |
do i = 1, nExcludes_global |
1298 |
> |
if (excludesGlobal(i) == unique_id_1) then |
1299 |
> |
skip_it = .true. |
1300 |
> |
return |
1301 |
> |
end if |
1302 |
> |
end do |
1303 |
> |
return |
1304 |
> |
end if |
1305 |
> |
|
1306 |
> |
#ifdef IS_MPI |
1307 |
> |
unique_id_2 = AtomColToGlobal(atom2) |
1308 |
> |
#else |
1309 |
> |
unique_id_2 = atom2 |
1310 |
> |
#endif |
1311 |
> |
|
1312 |
> |
#ifdef IS_MPI |
1313 |
> |
!! this situation should only arise in MPI simulations |
1314 |
> |
if (unique_id_1 == unique_id_2) then |
1315 |
> |
skip_it = .true. |
1316 |
> |
return |
1317 |
> |
end if |
1318 |
> |
|
1319 |
> |
!! this prevents us from doing the pair on multiple processors |
1320 |
> |
if (unique_id_1 < unique_id_2) then |
1321 |
> |
if (mod(unique_id_1 + unique_id_2,2) == 0) then |
1322 |
> |
skip_it = .true. |
1323 |
> |
return |
1324 |
> |
endif |
1325 |
> |
else |
1326 |
> |
if (mod(unique_id_1 + unique_id_2,2) == 1) then |
1327 |
> |
skip_it = .true. |
1328 |
> |
return |
1329 |
> |
endif |
1330 |
> |
endif |
1331 |
> |
#endif |
1332 |
> |
|
1333 |
> |
!! the rest of these situations can happen in all simulations: |
1334 |
> |
do i = 1, nExcludes_global |
1335 |
> |
if ((excludesGlobal(i) == unique_id_1) .or. & |
1336 |
> |
(excludesGlobal(i) == unique_id_2)) then |
1337 |
> |
skip_it = .true. |
1338 |
> |
return |
1339 |
> |
endif |
1340 |
> |
enddo |
1341 |
> |
|
1342 |
> |
do i = 1, nSkipsForAtom(atom1) |
1343 |
> |
if (skipsForAtom(atom1, i) .eq. unique_id_2) then |
1344 |
> |
skip_it = .true. |
1345 |
> |
return |
1346 |
> |
endif |
1347 |
> |
end do |
1348 |
> |
|
1349 |
> |
return |
1350 |
> |
end function skipThisPair |
1351 |
> |
|
1352 |
> |
function FF_UsesDirectionalAtoms() result(doesit) |
1353 |
> |
logical :: doesit |
1354 |
> |
doesit = FF_uses_DirectionalAtoms |
1355 |
> |
end function FF_UsesDirectionalAtoms |
1356 |
> |
|
1357 |
> |
function FF_RequiresPrepairCalc() result(doesit) |
1358 |
> |
logical :: doesit |
1359 |
> |
doesit = FF_uses_EAM |
1360 |
> |
end function FF_RequiresPrepairCalc |
1361 |
> |
|
1362 |
> |
function FF_RequiresPostpairCalc() result(doesit) |
1363 |
> |
logical :: doesit |
1364 |
> |
doesit = FF_uses_RF |
1365 |
> |
end function FF_RequiresPostpairCalc |
1366 |
> |
|
1367 |
|
#ifdef PROFILE |
1368 |
< |
function getforcetime() result(totalforcetime) |
1369 |
< |
real(kind=dp) :: totalforcetime |
1370 |
< |
totalforcetime = forcetime |
1371 |
< |
end function getforcetime |
1368 |
> |
function getforcetime() result(totalforcetime) |
1369 |
> |
real(kind=dp) :: totalforcetime |
1370 |
> |
totalforcetime = forcetime |
1371 |
> |
end function getforcetime |
1372 |
|
#endif |
1256 |
– |
|
1257 |
– |
!! This cleans componets of force arrays belonging only to fortran |
1373 |
|
|
1374 |
< |
subroutine add_stress_tensor(dpair, fpair) |
1375 |
< |
|
1376 |
< |
real( kind = dp ), dimension(3), intent(in) :: dpair, fpair |
1377 |
< |
|
1378 |
< |
! because the d vector is the rj - ri vector, and |
1379 |
< |
! because fx, fy, fz are the force on atom i, we need a |
1380 |
< |
! negative sign here: |
1381 |
< |
|
1382 |
< |
tau_Temp(1) = tau_Temp(1) - dpair(1) * fpair(1) |
1383 |
< |
tau_Temp(2) = tau_Temp(2) - dpair(1) * fpair(2) |
1384 |
< |
tau_Temp(3) = tau_Temp(3) - dpair(1) * fpair(3) |
1385 |
< |
tau_Temp(4) = tau_Temp(4) - dpair(2) * fpair(1) |
1386 |
< |
tau_Temp(5) = tau_Temp(5) - dpair(2) * fpair(2) |
1387 |
< |
tau_Temp(6) = tau_Temp(6) - dpair(2) * fpair(3) |
1388 |
< |
tau_Temp(7) = tau_Temp(7) - dpair(3) * fpair(1) |
1389 |
< |
tau_Temp(8) = tau_Temp(8) - dpair(3) * fpair(2) |
1390 |
< |
tau_Temp(9) = tau_Temp(9) - dpair(3) * fpair(3) |
1391 |
< |
|
1392 |
< |
virial_Temp = virial_Temp + & |
1393 |
< |
(tau_Temp(1) + tau_Temp(5) + tau_Temp(9)) |
1394 |
< |
|
1395 |
< |
end subroutine add_stress_tensor |
1396 |
< |
|
1374 |
> |
!! This cleans componets of force arrays belonging only to fortran |
1375 |
> |
|
1376 |
> |
subroutine add_stress_tensor(dpair, fpair) |
1377 |
> |
|
1378 |
> |
real( kind = dp ), dimension(3), intent(in) :: dpair, fpair |
1379 |
> |
|
1380 |
> |
! because the d vector is the rj - ri vector, and |
1381 |
> |
! because fx, fy, fz are the force on atom i, we need a |
1382 |
> |
! negative sign here: |
1383 |
> |
|
1384 |
> |
tau_Temp(1) = tau_Temp(1) - dpair(1) * fpair(1) |
1385 |
> |
tau_Temp(2) = tau_Temp(2) - dpair(1) * fpair(2) |
1386 |
> |
tau_Temp(3) = tau_Temp(3) - dpair(1) * fpair(3) |
1387 |
> |
tau_Temp(4) = tau_Temp(4) - dpair(2) * fpair(1) |
1388 |
> |
tau_Temp(5) = tau_Temp(5) - dpair(2) * fpair(2) |
1389 |
> |
tau_Temp(6) = tau_Temp(6) - dpair(2) * fpair(3) |
1390 |
> |
tau_Temp(7) = tau_Temp(7) - dpair(3) * fpair(1) |
1391 |
> |
tau_Temp(8) = tau_Temp(8) - dpair(3) * fpair(2) |
1392 |
> |
tau_Temp(9) = tau_Temp(9) - dpair(3) * fpair(3) |
1393 |
> |
|
1394 |
> |
virial_Temp = virial_Temp + & |
1395 |
> |
(tau_Temp(1) + tau_Temp(5) + tau_Temp(9)) |
1396 |
> |
|
1397 |
> |
end subroutine add_stress_tensor |
1398 |
> |
|
1399 |
|
end module doForces |