| 45 |
|
|
| 46 |
|
!! @author Charles F. Vardeman II |
| 47 |
|
!! @author Matthew Meineke |
| 48 |
< |
!! @version $Id: doForces.F90,v 1.81 2006-05-17 15:37:14 gezelter Exp $, $Date: 2006-05-17 15:37:14 $, $Name: not supported by cvs2svn $, $Revision: 1.81 $ |
| 48 |
> |
!! @version $Id: doForces.F90,v 1.88 2007-05-02 00:18:08 chrisfen Exp $, $Date: 2007-05-02 00:18:08 $, $Name: not supported by cvs2svn $, $Revision: 1.88 $ |
| 49 |
|
|
| 50 |
|
|
| 51 |
|
module doForces |
| 89 |
|
logical, save :: haveElectrostaticSummationMethod = .false. |
| 90 |
|
logical, save :: haveCutoffPolicy = .false. |
| 91 |
|
logical, save :: VisitCutoffsAfterComputing = .false. |
| 92 |
+ |
logical, save :: do_box_dipole = .false. |
| 93 |
|
|
| 94 |
|
logical, save :: FF_uses_DirectionalAtoms |
| 95 |
|
logical, save :: FF_uses_Dipoles |
| 106 |
|
logical, save :: SIM_requires_postpair_calc |
| 107 |
|
logical, save :: SIM_requires_prepair_calc |
| 108 |
|
logical, save :: SIM_uses_PBC |
| 109 |
+ |
logical, save :: SIM_uses_AtomicVirial |
| 110 |
|
|
| 111 |
|
integer, save :: electrostaticSummationMethod |
| 112 |
|
integer, save :: cutoffPolicy = TRADITIONAL_CUTOFF_POLICY |
| 113 |
|
|
| 114 |
|
real(kind=dp), save :: defaultRcut, defaultRsw, largestRcut |
| 115 |
|
real(kind=dp), save :: skinThickness |
| 116 |
< |
logical, save :: defaultDoShift |
| 116 |
> |
logical, save :: defaultDoShiftPot |
| 117 |
> |
logical, save :: defaultDoShiftFrc |
| 118 |
|
|
| 119 |
|
public :: init_FF |
| 120 |
|
public :: setCutoffs |
| 121 |
|
public :: cWasLame |
| 122 |
|
public :: setElectrostaticMethod |
| 123 |
+ |
public :: setBoxDipole |
| 124 |
+ |
public :: getBoxDipole |
| 125 |
|
public :: setCutoffPolicy |
| 126 |
|
public :: setSkinThickness |
| 127 |
|
public :: do_force_loop |
| 152 |
|
end type gtypeCutoffs |
| 153 |
|
type(gtypeCutoffs), dimension(:,:), allocatable :: gtypeCutoffMap |
| 154 |
|
|
| 155 |
+ |
real(kind=dp), dimension(3) :: boxDipole |
| 156 |
|
|
| 157 |
|
contains |
| 158 |
|
|
| 563 |
|
haveGtypeCutoffMap = .true. |
| 564 |
|
end subroutine createGtypeCutoffMap |
| 565 |
|
|
| 566 |
< |
subroutine setCutoffs(defRcut, defRsw) |
| 566 |
> |
subroutine setCutoffs(defRcut, defRsw, defSP, defSF) |
| 567 |
|
|
| 568 |
|
real(kind=dp),intent(in) :: defRcut, defRsw |
| 569 |
+ |
logical, intent(in) :: defSP, defSF |
| 570 |
|
character(len = statusMsgSize) :: errMsg |
| 571 |
|
integer :: localError |
| 572 |
|
|
| 573 |
|
defaultRcut = defRcut |
| 574 |
|
defaultRsw = defRsw |
| 575 |
|
|
| 576 |
< |
defaultDoShift = .false. |
| 576 |
> |
defaultDoShiftPot = defSP |
| 577 |
> |
defaultDoShiftFrc = defSF |
| 578 |
> |
|
| 579 |
|
if (abs(defaultRcut-defaultRsw) .lt. 0.0001) then |
| 580 |
< |
|
| 581 |
< |
write(errMsg, *) & |
| 582 |
< |
'cutoffRadius and switchingRadius are set to the same', newline & |
| 583 |
< |
// tab, 'value. OOPSE will use shifted ', newline & |
| 584 |
< |
// tab, 'potentials instead of switching functions.' |
| 585 |
< |
|
| 586 |
< |
call handleInfo("setCutoffs", errMsg) |
| 587 |
< |
|
| 588 |
< |
defaultDoShift = .true. |
| 589 |
< |
|
| 580 |
> |
if (defaultDoShiftFrc) then |
| 581 |
> |
write(errMsg, *) & |
| 582 |
> |
'cutoffRadius and switchingRadius are set to the', newline & |
| 583 |
> |
// tab, 'same value. OOPSE will use shifted force', newline & |
| 584 |
> |
// tab, 'potentials instead of switching functions.' |
| 585 |
> |
|
| 586 |
> |
call handleInfo("setCutoffs", errMsg) |
| 587 |
> |
else |
| 588 |
> |
write(errMsg, *) & |
| 589 |
> |
'cutoffRadius and switchingRadius are set to the', newline & |
| 590 |
> |
// tab, 'same value. OOPSE will use shifted', newline & |
| 591 |
> |
// tab, 'potentials instead of switching functions.' |
| 592 |
> |
|
| 593 |
> |
call handleInfo("setCutoffs", errMsg) |
| 594 |
> |
|
| 595 |
> |
defaultDoShiftPot = .true. |
| 596 |
> |
endif |
| 597 |
> |
|
| 598 |
|
endif |
| 599 |
|
|
| 600 |
|
localError = 0 |
| 601 |
< |
call setLJDefaultCutoff( defaultRcut, defaultDoShift ) |
| 601 |
> |
call setLJDefaultCutoff( defaultRcut, defaultDoShiftPot, & |
| 602 |
> |
defaultDoShiftFrc ) |
| 603 |
|
call setElectrostaticCutoffRadius( defaultRcut, defaultRsw ) |
| 604 |
|
call setCutoffEAM( defaultRcut ) |
| 605 |
|
call setCutoffSC( defaultRcut ) |
| 627 |
|
haveGtypeCutoffMap = .false. |
| 628 |
|
|
| 629 |
|
end subroutine setCutoffPolicy |
| 630 |
< |
|
| 630 |
> |
|
| 631 |
> |
subroutine setBoxDipole() |
| 632 |
> |
|
| 633 |
> |
do_box_dipole = .true. |
| 634 |
> |
|
| 635 |
> |
end subroutine setBoxDipole |
| 636 |
> |
|
| 637 |
> |
subroutine getBoxDipole( box_dipole ) |
| 638 |
> |
|
| 639 |
> |
real(kind=dp), intent(inout), dimension(3) :: box_dipole |
| 640 |
> |
|
| 641 |
> |
box_dipole = boxDipole |
| 642 |
> |
|
| 643 |
> |
end subroutine getBoxDipole |
| 644 |
> |
|
| 645 |
|
subroutine setElectrostaticMethod( thisESM ) |
| 646 |
|
|
| 647 |
|
integer, intent(in) :: thisESM |
| 668 |
|
SIM_requires_prepair_calc = SimRequiresPrepairCalc() |
| 669 |
|
SIM_uses_PBC = SimUsesPBC() |
| 670 |
|
SIM_uses_SC = SimUsesSC() |
| 671 |
< |
|
| 671 |
> |
SIM_uses_AtomicVirial = SimUsesAtomicVirial() |
| 672 |
> |
|
| 673 |
|
haveSIMvariables = .true. |
| 674 |
|
|
| 675 |
|
return |
| 828 |
|
integer :: istart, iend |
| 829 |
|
integer :: ia, jb, atom1, atom2 |
| 830 |
|
integer :: nlist |
| 831 |
< |
real( kind = DP ) :: ratmsq, rgrpsq, rgrp, vpair, vij |
| 831 |
> |
real( kind = DP ) :: ratmsq, rgrpsq, rgrp, rag, vpair, vij |
| 832 |
|
real( kind = DP ) :: sw, dswdr, swderiv, mf |
| 833 |
|
real( kind = DP ) :: rVal |
| 834 |
< |
real(kind=dp),dimension(3) :: d_atm, d_grp, fpair, fij |
| 835 |
< |
real(kind=dp) :: rfpot, mu_i, virial |
| 834 |
> |
real(kind=dp),dimension(3) :: d_atm, d_grp, fpair, fij, fg, dag |
| 835 |
> |
real(kind=dp) :: rfpot, mu_i |
| 836 |
|
real(kind=dp):: rCut |
| 837 |
|
integer :: me_i, me_j, n_in_i, n_in_j |
| 838 |
|
logical :: is_dp_i |
| 843 |
|
integer :: loopStart, loopEnd, loop |
| 844 |
|
integer :: iHash |
| 845 |
|
integer :: i1 |
| 813 |
– |
|
| 846 |
|
|
| 847 |
+ |
!! the variables for the box dipole moment |
| 848 |
+ |
#ifdef IS_MPI |
| 849 |
+ |
integer :: pChgCount_local |
| 850 |
+ |
integer :: nChgCount_local |
| 851 |
+ |
real(kind=dp) :: pChg_local |
| 852 |
+ |
real(kind=dp) :: nChg_local |
| 853 |
+ |
real(kind=dp), dimension(3) :: pChgPos_local |
| 854 |
+ |
real(kind=dp), dimension(3) :: nChgPos_local |
| 855 |
+ |
real(kind=dp), dimension(3) :: dipVec_local |
| 856 |
+ |
#endif |
| 857 |
+ |
integer :: pChgCount |
| 858 |
+ |
integer :: nChgCount |
| 859 |
+ |
real(kind=dp) :: pChg |
| 860 |
+ |
real(kind=dp) :: nChg |
| 861 |
+ |
real(kind=dp) :: chg_value |
| 862 |
+ |
real(kind=dp), dimension(3) :: pChgPos |
| 863 |
+ |
real(kind=dp), dimension(3) :: nChgPos |
| 864 |
+ |
real(kind=dp), dimension(3) :: dipVec |
| 865 |
+ |
real(kind=dp), dimension(3) :: chgVec |
| 866 |
+ |
|
| 867 |
+ |
!! initialize box dipole variables |
| 868 |
+ |
if (do_box_dipole) then |
| 869 |
+ |
#ifdef IS_MPI |
| 870 |
+ |
pChg_local = 0.0_dp |
| 871 |
+ |
nChg_local = 0.0_dp |
| 872 |
+ |
pChgCount_local = 0 |
| 873 |
+ |
nChgCount_local = 0 |
| 874 |
+ |
do i=1, 3 |
| 875 |
+ |
pChgPos_local = 0.0_dp |
| 876 |
+ |
nChgPos_local = 0.0_dp |
| 877 |
+ |
dipVec_local = 0.0_dp |
| 878 |
+ |
enddo |
| 879 |
+ |
#endif |
| 880 |
+ |
pChg = 0.0_dp |
| 881 |
+ |
nChg = 0.0_dp |
| 882 |
+ |
pChgCount = 0 |
| 883 |
+ |
nChgCount = 0 |
| 884 |
+ |
chg_value = 0.0_dp |
| 885 |
+ |
|
| 886 |
+ |
do i=1, 3 |
| 887 |
+ |
pChgPos(i) = 0.0_dp |
| 888 |
+ |
nChgPos(i) = 0.0_dp |
| 889 |
+ |
dipVec(i) = 0.0_dp |
| 890 |
+ |
chgVec(i) = 0.0_dp |
| 891 |
+ |
boxDipole(i) = 0.0_dp |
| 892 |
+ |
enddo |
| 893 |
+ |
endif |
| 894 |
+ |
|
| 895 |
|
!! initialize local variables |
| 896 |
|
|
| 897 |
|
#ifdef IS_MPI |
| 1101 |
|
fij(1) = fij(1) + fpair(1) |
| 1102 |
|
fij(2) = fij(2) + fpair(2) |
| 1103 |
|
fij(3) = fij(3) + fpair(3) |
| 1104 |
+ |
if (do_stress) then |
| 1105 |
+ |
call add_stress_tensor(d_atm, fpair, tau) |
| 1106 |
+ |
endif |
| 1107 |
|
endif |
| 1108 |
|
enddo inner |
| 1109 |
|
enddo |
| 1111 |
|
if (loop .eq. PAIR_LOOP) then |
| 1112 |
|
if (in_switching_region) then |
| 1113 |
|
swderiv = vij*dswdr/rgrp |
| 1114 |
< |
fij(1) = fij(1) + swderiv*d_grp(1) |
| 1115 |
< |
fij(2) = fij(2) + swderiv*d_grp(2) |
| 1116 |
< |
fij(3) = fij(3) + swderiv*d_grp(3) |
| 1114 |
> |
fg = swderiv*d_grp |
| 1115 |
> |
|
| 1116 |
> |
fij(1) = fij(1) + fg(1) |
| 1117 |
> |
fij(2) = fij(2) + fg(2) |
| 1118 |
> |
fij(3) = fij(3) + fg(3) |
| 1119 |
|
|
| 1120 |
+ |
if ((n_in_i .eq. 1).and.(n_in_j .eq. 1)) then |
| 1121 |
+ |
call add_stress_tensor(d_atm, fg, tau) |
| 1122 |
+ |
endif |
| 1123 |
+ |
|
| 1124 |
|
do ia=groupStartRow(i), groupStartRow(i+1)-1 |
| 1125 |
|
atom1=groupListRow(ia) |
| 1126 |
|
mf = mfactRow(atom1) |
| 1127 |
+ |
! fg is the force on atom ia due to cutoff group's |
| 1128 |
+ |
! presence in switching region |
| 1129 |
+ |
fg = swderiv*d_grp*mf |
| 1130 |
|
#ifdef IS_MPI |
| 1131 |
< |
f_Row(1,atom1) = f_Row(1,atom1) + swderiv*d_grp(1)*mf |
| 1132 |
< |
f_Row(2,atom1) = f_Row(2,atom1) + swderiv*d_grp(2)*mf |
| 1133 |
< |
f_Row(3,atom1) = f_Row(3,atom1) + swderiv*d_grp(3)*mf |
| 1131 |
> |
f_Row(1,atom1) = f_Row(1,atom1) + fg(1) |
| 1132 |
> |
f_Row(2,atom1) = f_Row(2,atom1) + fg(2) |
| 1133 |
> |
f_Row(3,atom1) = f_Row(3,atom1) + fg(3) |
| 1134 |
|
#else |
| 1135 |
< |
f(1,atom1) = f(1,atom1) + swderiv*d_grp(1)*mf |
| 1136 |
< |
f(2,atom1) = f(2,atom1) + swderiv*d_grp(2)*mf |
| 1137 |
< |
f(3,atom1) = f(3,atom1) + swderiv*d_grp(3)*mf |
| 1135 |
> |
f(1,atom1) = f(1,atom1) + fg(1) |
| 1136 |
> |
f(2,atom1) = f(2,atom1) + fg(2) |
| 1137 |
> |
f(3,atom1) = f(3,atom1) + fg(3) |
| 1138 |
|
#endif |
| 1139 |
+ |
if (n_in_i .gt. 1) then |
| 1140 |
+ |
if (do_stress.and.SIM_uses_AtomicVirial) then |
| 1141 |
+ |
! find the distance between the atom and the center of |
| 1142 |
+ |
! the cutoff group: |
| 1143 |
+ |
#ifdef IS_MPI |
| 1144 |
+ |
call get_interatomic_vector(q_Row(:,atom1), & |
| 1145 |
+ |
q_group_Row(:,i), dag, rag) |
| 1146 |
+ |
#else |
| 1147 |
+ |
call get_interatomic_vector(q(:,atom1), & |
| 1148 |
+ |
q_group(:,i), dag, rag) |
| 1149 |
+ |
#endif |
| 1150 |
+ |
call add_stress_tensor(dag,fg,tau) |
| 1151 |
+ |
endif |
| 1152 |
+ |
endif |
| 1153 |
|
enddo |
| 1154 |
|
|
| 1155 |
|
do jb=groupStartCol(j), groupStartCol(j+1)-1 |
| 1156 |
|
atom2=groupListCol(jb) |
| 1157 |
|
mf = mfactCol(atom2) |
| 1158 |
+ |
! fg is the force on atom jb due to cutoff group's |
| 1159 |
+ |
! presence in switching region |
| 1160 |
+ |
fg = -swderiv*d_grp*mf |
| 1161 |
|
#ifdef IS_MPI |
| 1162 |
< |
f_Col(1,atom2) = f_Col(1,atom2) - swderiv*d_grp(1)*mf |
| 1163 |
< |
f_Col(2,atom2) = f_Col(2,atom2) - swderiv*d_grp(2)*mf |
| 1164 |
< |
f_Col(3,atom2) = f_Col(3,atom2) - swderiv*d_grp(3)*mf |
| 1162 |
> |
f_Col(1,atom2) = f_Col(1,atom2) + fg(1) |
| 1163 |
> |
f_Col(2,atom2) = f_Col(2,atom2) + fg(2) |
| 1164 |
> |
f_Col(3,atom2) = f_Col(3,atom2) + fg(3) |
| 1165 |
|
#else |
| 1166 |
< |
f(1,atom2) = f(1,atom2) - swderiv*d_grp(1)*mf |
| 1167 |
< |
f(2,atom2) = f(2,atom2) - swderiv*d_grp(2)*mf |
| 1168 |
< |
f(3,atom2) = f(3,atom2) - swderiv*d_grp(3)*mf |
| 1166 |
> |
f(1,atom2) = f(1,atom2) + fg(1) |
| 1167 |
> |
f(2,atom2) = f(2,atom2) + fg(2) |
| 1168 |
> |
f(3,atom2) = f(3,atom2) + fg(3) |
| 1169 |
|
#endif |
| 1170 |
+ |
if (n_in_j .gt. 1) then |
| 1171 |
+ |
if (do_stress.and.SIM_uses_AtomicVirial) then |
| 1172 |
+ |
! find the distance between the atom and the center of |
| 1173 |
+ |
! the cutoff group: |
| 1174 |
+ |
#ifdef IS_MPI |
| 1175 |
+ |
call get_interatomic_vector(q_Col(:,atom2), & |
| 1176 |
+ |
q_group_Col(:,j), dag, rag) |
| 1177 |
+ |
#else |
| 1178 |
+ |
call get_interatomic_vector(q(:,atom2), & |
| 1179 |
+ |
q_group(:,j), dag, rag) |
| 1180 |
+ |
#endif |
| 1181 |
+ |
call add_stress_tensor(dag,fg,tau) |
| 1182 |
+ |
endif |
| 1183 |
+ |
endif |
| 1184 |
|
enddo |
| 1185 |
|
endif |
| 1063 |
– |
|
| 1064 |
– |
if (do_stress) call add_stress_tensor(d_grp, fij) |
| 1186 |
|
endif |
| 1187 |
|
endif |
| 1188 |
|
endif |
| 1315 |
|
endif |
| 1316 |
|
enddo |
| 1317 |
|
endif |
| 1318 |
+ |
|
| 1319 |
+ |
if (do_box_dipole) then |
| 1320 |
+ |
#ifdef IS_MPI |
| 1321 |
+ |
call accumulate_box_dipole(i, eFrame, q(:,i), pChg_local, & |
| 1322 |
+ |
nChg_local, pChgPos_local, nChgPos_local, dipVec_local, & |
| 1323 |
+ |
pChgCount_local, nChgCount_local) |
| 1324 |
+ |
#else |
| 1325 |
+ |
call accumulate_box_dipole(i, eFrame, q(:,i), pChg, nChg, & |
| 1326 |
+ |
pChgPos, nChgPos, dipVec, pChgCount, nChgCount) |
| 1327 |
+ |
#endif |
| 1328 |
+ |
endif |
| 1329 |
|
enddo |
| 1330 |
|
endif |
| 1331 |
< |
|
| 1331 |
> |
|
| 1332 |
|
#ifdef IS_MPI |
| 1201 |
– |
|
| 1333 |
|
if (do_pot) then |
| 1334 |
< |
call mpi_allreduce(pot_local, pot, LR_POT_TYPES,mpi_double_precision,mpi_sum, & |
| 1334 |
> |
#ifdef SINGLE_PRECISION |
| 1335 |
> |
call mpi_allreduce(pot_local, pot, LR_POT_TYPES,mpi_real,mpi_sum, & |
| 1336 |
|
mpi_comm_world,mpi_err) |
| 1337 |
+ |
#else |
| 1338 |
+ |
call mpi_allreduce(pot_local, pot, LR_POT_TYPES,mpi_double_precision, & |
| 1339 |
+ |
mpi_sum, mpi_comm_world,mpi_err) |
| 1340 |
+ |
#endif |
| 1341 |
|
endif |
| 1342 |
< |
|
| 1343 |
< |
if (do_stress) then |
| 1344 |
< |
call mpi_allreduce(tau_Temp, tau, 9,mpi_double_precision,mpi_sum, & |
| 1345 |
< |
mpi_comm_world,mpi_err) |
| 1346 |
< |
call mpi_allreduce(virial_Temp, virial,1,mpi_double_precision,mpi_sum, & |
| 1347 |
< |
mpi_comm_world,mpi_err) |
| 1348 |
< |
endif |
| 1349 |
< |
|
| 1342 |
> |
|
| 1343 |
> |
if (do_box_dipole) then |
| 1344 |
> |
|
| 1345 |
> |
#ifdef SINGLE_PRECISION |
| 1346 |
> |
call mpi_allreduce(pChg_local, pChg, 1, mpi_real, mpi_sum, & |
| 1347 |
> |
mpi_comm_world, mpi_err) |
| 1348 |
> |
call mpi_allreduce(nChg_local, nChg, 1, mpi_real, mpi_sum, & |
| 1349 |
> |
mpi_comm_world, mpi_err) |
| 1350 |
> |
call mpi_allreduce(pChgCount_local, pChgCount, 1, mpi_integer, mpi_sum,& |
| 1351 |
> |
mpi_comm_world, mpi_err) |
| 1352 |
> |
call mpi_allreduce(nChgCount_local, nChgCount, 1, mpi_integer, mpi_sum,& |
| 1353 |
> |
mpi_comm_world, mpi_err) |
| 1354 |
> |
call mpi_allreduce(pChgPos_local, pChgPos, 3, mpi_real, mpi_sum, & |
| 1355 |
> |
mpi_comm_world, mpi_err) |
| 1356 |
> |
call mpi_allreduce(nChgPos_local, nChgPos, 3, mpi_real, mpi_sum, & |
| 1357 |
> |
mpi_comm_world, mpi_err) |
| 1358 |
> |
call mpi_allreduce(dipVec_local, dipVec, 3, mpi_real, mpi_sum, & |
| 1359 |
> |
mpi_comm_world, mpi_err) |
| 1360 |
|
#else |
| 1361 |
< |
|
| 1362 |
< |
if (do_stress) then |
| 1363 |
< |
tau = tau_Temp |
| 1364 |
< |
virial = virial_Temp |
| 1361 |
> |
call mpi_allreduce(pChg_local, pChg, 1, mpi_double_precision, mpi_sum, & |
| 1362 |
> |
mpi_comm_world, mpi_err) |
| 1363 |
> |
call mpi_allreduce(nChg_local, nChg, 1, mpi_double_precision, mpi_sum, & |
| 1364 |
> |
mpi_comm_world, mpi_err) |
| 1365 |
> |
call mpi_allreduce(pChgCount_local, pChgCount, 1, mpi_integer,& |
| 1366 |
> |
mpi_sum, mpi_comm_world, mpi_err) |
| 1367 |
> |
call mpi_allreduce(nChgCount_local, nChgCount, 1, mpi_integer,& |
| 1368 |
> |
mpi_sum, mpi_comm_world, mpi_err) |
| 1369 |
> |
call mpi_allreduce(pChgPos_local, pChgPos, 3, mpi_double_precision, & |
| 1370 |
> |
mpi_sum, mpi_comm_world, mpi_err) |
| 1371 |
> |
call mpi_allreduce(nChgPos_local, nChgPos, 3, mpi_double_precision, & |
| 1372 |
> |
mpi_sum, mpi_comm_world, mpi_err) |
| 1373 |
> |
call mpi_allreduce(dipVec_local, dipVec, 3, mpi_double_precision, & |
| 1374 |
> |
mpi_sum, mpi_comm_world, mpi_err) |
| 1375 |
> |
#endif |
| 1376 |
> |
|
| 1377 |
|
endif |
| 1378 |
|
|
| 1379 |
|
#endif |
| 1380 |
< |
|
| 1380 |
> |
|
| 1381 |
> |
if (do_box_dipole) then |
| 1382 |
> |
! first load the accumulated dipole moment (if dipoles were present) |
| 1383 |
> |
boxDipole(1) = dipVec(1) |
| 1384 |
> |
boxDipole(2) = dipVec(2) |
| 1385 |
> |
boxDipole(3) = dipVec(3) |
| 1386 |
> |
|
| 1387 |
> |
! now include the dipole moment due to charges |
| 1388 |
> |
! use the lesser of the positive and negative charge totals |
| 1389 |
> |
if (nChg .le. pChg) then |
| 1390 |
> |
chg_value = nChg |
| 1391 |
> |
else |
| 1392 |
> |
chg_value = pChg |
| 1393 |
> |
endif |
| 1394 |
> |
|
| 1395 |
> |
! find the average positions |
| 1396 |
> |
if (pChgCount .gt. 0 .and. nChgCount .gt. 0) then |
| 1397 |
> |
pChgPos = pChgPos / pChgCount |
| 1398 |
> |
nChgPos = nChgPos / nChgCount |
| 1399 |
> |
endif |
| 1400 |
> |
|
| 1401 |
> |
! dipole is from the negative to the positive (physics notation) |
| 1402 |
> |
chgVec(1) = pChgPos(1) - nChgPos(1) |
| 1403 |
> |
chgVec(2) = pChgPos(2) - nChgPos(2) |
| 1404 |
> |
chgVec(3) = pChgPos(3) - nChgPos(3) |
| 1405 |
> |
|
| 1406 |
> |
boxDipole(1) = boxDipole(1) + chgVec(1) * chg_value |
| 1407 |
> |
boxDipole(2) = boxDipole(2) + chgVec(2) * chg_value |
| 1408 |
> |
boxDipole(3) = boxDipole(3) + chgVec(3) * chg_value |
| 1409 |
> |
|
| 1410 |
> |
endif |
| 1411 |
> |
|
| 1412 |
|
end subroutine do_force_loop |
| 1413 |
|
|
| 1414 |
|
subroutine do_pair(i, j, rijsq, d, sw, do_pot, & |
| 1478 |
|
endif |
| 1479 |
|
|
| 1480 |
|
if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then |
| 1481 |
< |
call do_gb_lj_pair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, & |
| 1481 |
> |
call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
| 1482 |
|
pot(VDW_POT), A, f, t, do_pot) |
| 1483 |
|
endif |
| 1484 |
|
|
| 1656 |
|
call clean_EAM() |
| 1657 |
|
endif |
| 1658 |
|
|
| 1470 |
– |
tau_Temp = 0.0_dp |
| 1471 |
– |
virial_Temp = 0.0_dp |
| 1659 |
|
end subroutine zero_work_arrays |
| 1660 |
|
|
| 1661 |
|
function skipThisPair(atom1, atom2) result(skip_it) |
| 1760 |
|
|
| 1761 |
|
!! This cleans componets of force arrays belonging only to fortran |
| 1762 |
|
|
| 1763 |
< |
subroutine add_stress_tensor(dpair, fpair) |
| 1763 |
> |
subroutine add_stress_tensor(dpair, fpair, tau) |
| 1764 |
|
|
| 1765 |
|
real( kind = dp ), dimension(3), intent(in) :: dpair, fpair |
| 1766 |
+ |
real( kind = dp ), dimension(9), intent(inout) :: tau |
| 1767 |
|
|
| 1768 |
|
! because the d vector is the rj - ri vector, and |
| 1769 |
|
! because fx, fy, fz are the force on atom i, we need a |
| 1770 |
|
! negative sign here: |
| 1771 |
|
|
| 1772 |
< |
tau_Temp(1) = tau_Temp(1) - dpair(1) * fpair(1) |
| 1773 |
< |
tau_Temp(2) = tau_Temp(2) - dpair(1) * fpair(2) |
| 1774 |
< |
tau_Temp(3) = tau_Temp(3) - dpair(1) * fpair(3) |
| 1775 |
< |
tau_Temp(4) = tau_Temp(4) - dpair(2) * fpair(1) |
| 1776 |
< |
tau_Temp(5) = tau_Temp(5) - dpair(2) * fpair(2) |
| 1777 |
< |
tau_Temp(6) = tau_Temp(6) - dpair(2) * fpair(3) |
| 1778 |
< |
tau_Temp(7) = tau_Temp(7) - dpair(3) * fpair(1) |
| 1779 |
< |
tau_Temp(8) = tau_Temp(8) - dpair(3) * fpair(2) |
| 1780 |
< |
tau_Temp(9) = tau_Temp(9) - dpair(3) * fpair(3) |
| 1772 |
> |
tau(1) = tau(1) - dpair(1) * fpair(1) |
| 1773 |
> |
tau(2) = tau(2) - dpair(1) * fpair(2) |
| 1774 |
> |
tau(3) = tau(3) - dpair(1) * fpair(3) |
| 1775 |
> |
tau(4) = tau(4) - dpair(2) * fpair(1) |
| 1776 |
> |
tau(5) = tau(5) - dpair(2) * fpair(2) |
| 1777 |
> |
tau(6) = tau(6) - dpair(2) * fpair(3) |
| 1778 |
> |
tau(7) = tau(7) - dpair(3) * fpair(1) |
| 1779 |
> |
tau(8) = tau(8) - dpair(3) * fpair(2) |
| 1780 |
> |
tau(9) = tau(9) - dpair(3) * fpair(3) |
| 1781 |
|
|
| 1594 |
– |
virial_Temp = virial_Temp + & |
| 1595 |
– |
(tau_Temp(1) + tau_Temp(5) + tau_Temp(9)) |
| 1596 |
– |
|
| 1782 |
|
end subroutine add_stress_tensor |
| 1783 |
|
|
| 1784 |
|
end module doForces |
