31 |
|
return |
32 |
|
end subroutine initialize_dipole |
33 |
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|
34 |
– |
|
34 |
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subroutine do_dipole_pair(atom1, atom2, d, rij, r2, pot, u_l, f, t, & |
35 |
|
do_pot, do_stress) |
36 |
|
|
177 |
|
|
178 |
|
if (molMembershipList(atom1) .ne. molMembershipList(atom2)) then |
179 |
|
|
180 |
< |
tau_Temp(1) = tau_Temp(1) + dudx * d(1) |
181 |
< |
tau_Temp(2) = tau_Temp(2) + dudx * d(2) |
182 |
< |
tau_Temp(3) = tau_Temp(3) + dudx * d(3) |
183 |
< |
tau_Temp(4) = tau_Temp(4) + dudy * d(1) |
184 |
< |
tau_Temp(5) = tau_Temp(5) + dudy * d(2) |
185 |
< |
tau_Temp(6) = tau_Temp(6) + dudy * d(3) |
186 |
< |
tau_Temp(7) = tau_Temp(7) + dudz * d(1) |
187 |
< |
tau_Temp(8) = tau_Temp(8) + dudz * d(2) |
188 |
< |
tau_Temp(9) = tau_Temp(9) + dudz * d(3) |
180 |
> |
! because the d vector is the rj - ri vector, and |
181 |
> |
! because dudx, dudy, dudz are the (positive) force on |
182 |
> |
! atom i (negative on atom j) we need a negative sign here: |
183 |
> |
|
184 |
> |
tau_Temp(1) = tau_Temp(1) - d(1) * dudx |
185 |
> |
tau_Temp(2) = tau_Temp(2) - d(1) * dudy |
186 |
> |
tau_Temp(3) = tau_Temp(3) - d(1) * dudz |
187 |
> |
tau_Temp(4) = tau_Temp(4) - d(2) * dudx |
188 |
> |
tau_Temp(5) = tau_Temp(5) - d(2) * dudy |
189 |
> |
tau_Temp(6) = tau_Temp(6) - d(2) * dudz |
190 |
> |
tau_Temp(7) = tau_Temp(7) - d(3) * dudx |
191 |
> |
tau_Temp(8) = tau_Temp(8) - d(3) * dudy |
192 |
> |
tau_Temp(9) = tau_Temp(9) - d(3) * dudz |
193 |
> |
|
194 |
|
virial_Temp = virial_Temp + & |
195 |
|
(tau_Temp(1) + tau_Temp(5) + tau_Temp(9)) |
196 |
|
|