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!! @author Charles F. Vardeman II |
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!! @author Matthew Meineke |
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!! @version $Id: doForces.F90,v 1.62 2005-10-23 21:08:02 chrisfen Exp $, $Date: 2005-10-23 21:08:02 $, $Name: not supported by cvs2svn $, $Revision: 1.62 $ |
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!! @version $Id: doForces.F90,v 1.65 2005-11-01 19:24:54 chrisfen Exp $, $Date: 2005-11-01 19:24:54 $, $Name: not supported by cvs2svn $, $Revision: 1.65 $ |
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module doForces |
644 |
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integer, intent(out) :: thisStat |
645 |
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integer :: my_status, nMatches |
646 |
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integer, pointer :: MatchList(:) => null() |
647 |
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real(kind=dp) :: rcut, rrf, rt, dielect |
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648 |
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!! assume things are copacetic, unless they aren't |
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thisStat = 0 |
743 |
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integer :: nlist |
744 |
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real( kind = DP ) :: ratmsq, rgrpsq, rgrp, vpair, vij |
745 |
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real( kind = DP ) :: sw, dswdr, swderiv, mf |
746 |
+ |
real( kind = DP ) :: rVal |
747 |
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real(kind=dp),dimension(3) :: d_atm, d_grp, fpair, fij |
748 |
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real(kind=dp) :: rfpot, mu_i, virial |
749 |
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integer :: me_i, me_j, n_in_i, n_in_j |
754 |
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integer :: propPack_i, propPack_j |
755 |
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integer :: loopStart, loopEnd, loop |
756 |
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integer :: iHash |
757 |
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integer :: ig |
757 |
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integer :: i1 |
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!! initialize local variables |
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inner: do jb = groupStartCol(j), groupStartCol(j+1)-1 |
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922 |
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atom2 = groupListCol(jb) |
923 |
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924 |
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if (skipThisPair(atom1, atom2)) cycle inner |
925 |
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923 |
> |
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924 |
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if (skipThisPair(atom1, atom2)) cycle inner |
925 |
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926 |
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if ((n_in_i .eq. 1).and.(n_in_j .eq. 1)) then |
927 |
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d_atm(1:3) = d_grp(1:3) |
928 |
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ratmsq = rgrpsq |
1090 |
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1091 |
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! we loop only over the local atoms, so we don't need row and column |
1092 |
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! lookups for the types |
1093 |
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1093 |
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1094 |
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me_i = atid(i) |
1095 |
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1096 |
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! is the atom electrostatic? See if it would have an |
1097 |
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! electrostatic interaction with itself |
1098 |
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iHash = InteractionHash(me_i,me_i) |
1099 |
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1099 |
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1100 |
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if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then |
1101 |
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#ifdef IS_MPI |
1102 |
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call rf_self_self(i, eFrame, pot_local(ELECTROSTATIC_POT), & |
1102 |
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call self_self(i, eFrame, pot_local(ELECTROSTATIC_POT), & |
1103 |
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t, do_pot) |
1104 |
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#else |
1105 |
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call rf_self_self(i, eFrame, pot(ELECTROSTATIC_POT), & |
1105 |
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call self_self(i, eFrame, pot(ELECTROSTATIC_POT), & |
1106 |
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t, do_pot) |
1107 |
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#endif |
1108 |
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endif |
1109 |
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1110 |
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1111 |
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!!$ if (electrostaticSummationMethod.eq.REACTION_FIELD) then |
1112 |
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1113 |
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! loop over the excludes to accumulate RF stuff we've |
1114 |
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! left out of the normal pair loop |
1115 |
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|
1116 |
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do i1 = 1, nSkipsForAtom(i) |
1117 |
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j = skipsForAtom(i, i1) |
1118 |
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|
1119 |
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! prevent overcounting of the skips |
1120 |
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if (i.lt.j) then |
1121 |
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call get_interatomic_vector(q(:,i), & |
1122 |
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q(:,j), d_atm, ratmsq) |
1123 |
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rVal = dsqrt(ratmsq) |
1124 |
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call get_switch(ratmsq, sw, dswdr, rVal, group_switch, & |
1125 |
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in_switching_region) |
1126 |
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#ifdef IS_MPI |
1127 |
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call rf_self_excludes(i, j, sw, eFrame, d_atm, rVal, & |
1128 |
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vpair, pot_local(ELECTROSTATIC_POT), f, t, do_pot) |
1129 |
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#else |
1130 |
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call rf_self_excludes(i, j, sw, eFrame, d_atm, rVal, & |
1131 |
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vpair, pot(ELECTROSTATIC_POT), f, t, do_pot) |
1132 |
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#endif |
1133 |
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endif |
1134 |
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enddo |
1135 |
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!!$ endif |
1136 |
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enddo |
1137 |
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endif |
1138 |
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1197 |
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#endif |
1198 |
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1199 |
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iHash = InteractionHash(me_i, me_j) |
1200 |
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1200 |
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1201 |
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if ( iand(iHash, LJ_PAIR).ne.0 ) then |
1202 |
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call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1203 |
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pot(VDW_POT), f, do_pot) |
1204 |
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endif |
1205 |
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1205 |
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1206 |
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if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then |
1207 |
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call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1208 |
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pot(ELECTROSTATIC_POT), eFrame, f, t, do_pot) |
1209 |
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endif |
1210 |
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1210 |
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1211 |
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if ( iand(iHash, STICKY_PAIR).ne.0 ) then |
1212 |
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call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1213 |
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pot(HB_POT), A, f, t, do_pot) |
1214 |
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endif |
1215 |
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1215 |
> |
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1216 |
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if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then |
1217 |
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call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1218 |
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pot(HB_POT), A, f, t, do_pot) |
1219 |
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endif |
1220 |
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1220 |
> |
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1221 |
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if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then |
1222 |
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call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1223 |
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pot(VDW_POT), A, f, t, do_pot) |
1227 |
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call do_gb_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1228 |
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pot(VDW_POT), A, f, t, do_pot) |
1229 |
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endif |
1230 |
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1230 |
> |
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1231 |
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if ( iand(iHash, EAM_PAIR).ne.0 ) then |
1232 |
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call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1233 |
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pot(METALLIC_POT), f, do_pot) |
1234 |
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endif |
1235 |
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1235 |
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1236 |
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if ( iand(iHash, SHAPE_PAIR).ne.0 ) then |
1237 |
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call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1238 |
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pot(VDW_POT), A, f, t, do_pot) |
1239 |
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endif |
1240 |
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1240 |
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1241 |
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if ( iand(iHash, SHAPE_LJ).ne.0 ) then |
1242 |
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call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
1243 |
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pot(VDW_POT), A, f, t, do_pot) |
1244 |
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endif |
1245 |
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1245 |
> |
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1246 |
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end subroutine do_pair |
1247 |
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1248 |
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subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, & |
1373 |
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pot_Col = 0.0_dp |
1374 |
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pot_Temp = 0.0_dp |
1375 |
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1349 |
– |
rf_Row = 0.0_dp |
1350 |
– |
rf_Col = 0.0_dp |
1351 |
– |
rf_Temp = 0.0_dp |
1352 |
– |
|
1376 |
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#endif |
1377 |
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1378 |
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if (FF_uses_EAM .and. SIM_uses_EAM) then |