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root/group/trunk/OOPSE/libmdtools/calc_dipole_dipole.F90
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Comparing trunk/OOPSE/libmdtools/calc_dipole_dipole.F90 (file contents):
Revision 1160 by gezelter, Tue May 11 21:31:15 2004 UTC vs.
Revision 1192 by gezelter, Mon May 24 21:03:30 2004 UTC

# Line 61 | Line 61 | contains
61      
62    end subroutine createMomentMap
63    
64 <  subroutine do_dipole_pair(atom1, atom2, d, rij, r2, sw, vpair, pot, &
65 <       u_l, f, t, do_pot, do_stress)
64 >  subroutine do_dipole_pair(atom1, atom2, d, rij, r2, sw, vpair, fpair, &
65 >       pot, u_l, f, t, do_pot)
66      
67 <    logical :: do_pot, do_stress
67 >    logical :: do_pot
68  
69      integer atom1, atom2, me1, me2, id1, id2
70      integer :: localError
# Line 75 | Line 75 | contains
75      real(kind=dp) :: sw, vpair, vterm
76  
77      real( kind = dp ) :: pot
78 <    real( kind = dp ), dimension(3) :: d
78 >    real( kind = dp ), dimension(3) :: d, fpair
79      real( kind = dp ), dimension(3,nLocal) :: u_l
80      real( kind = dp ), dimension(3,nLocal) :: f
81      real( kind = dp ), dimension(3,nLocal) :: t
# Line 196 | Line 196 | contains
196      t(3,atom2) = t(3,atom2) - ul2(1)*dudu2y + ul2(2)*dudu2x
197   #endif
198      
199    if (do_stress) then          
200      
199   #ifdef IS_MPI
200 <       id1 = tagRow(atom1)
201 <       id2 = tagColumn(atom2)
200 >    id1 = tagRow(atom1)
201 >    id2 = tagColumn(atom2)
202   #else
203 <       id1 = atom1
204 <       id2 = atom2
205 < #endif                
206 <       if (molMembershipList(id1) .ne. molMembershipList(id2)) then
207 <          
208 <          ! because the d vector is the rj - ri vector, and
209 <          ! because dudx, dudy, dudz are the (positive) force on
210 <          ! atom i (negative on atom j) we need a negative sign here:
211 <          
212 <          tau_Temp(1) = tau_Temp(1) - d(1) * dudx
215 <          tau_Temp(2) = tau_Temp(2) - d(1) * dudy
216 <          tau_Temp(3) = tau_Temp(3) - d(1) * dudz
217 <          tau_Temp(4) = tau_Temp(4) - d(2) * dudx
218 <          tau_Temp(5) = tau_Temp(5) - d(2) * dudy
219 <          tau_Temp(6) = tau_Temp(6) - d(2) * dudz
220 <          tau_Temp(7) = tau_Temp(7) - d(3) * dudx
221 <          tau_Temp(8) = tau_Temp(8) - d(3) * dudy
222 <          tau_Temp(9) = tau_Temp(9) - d(3) * dudz
223 <          
224 <          virial_Temp = virial_Temp + &
225 <               (tau_Temp(1) + tau_Temp(5) + tau_Temp(9))
226 <          
227 <       endif
203 >    id1 = atom1
204 >    id2 = atom2
205 > #endif
206 >
207 >    if (molMembershipList(id1) .ne. molMembershipList(id2)) then
208 >      
209 >       fpair(1) = fpair(1) + dudx
210 >       fpair(2) = fpair(2) + dudy
211 >       fpair(3) = fpair(3) + dudz
212 >
213      endif
214 <    
214 >
215      return
216    end subroutine do_dipole_pair
217    

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