enable clang-format
This commit is contained in:
293
src/pair_zbl.cpp
293
src/pair_zbl.cpp
@ -1,4 +1,3 @@
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// clang-format off
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/* ----------------------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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https://www.lammps.org/, Sandia National Laboratories
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@ -18,18 +17,18 @@
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#include "pair_zbl.h"
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#include <cmath>
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#include "atom.h"
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#include "comm.h"
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#include "error.h"
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#include "force.h"
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#include "memory.h"
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#include "neighbor.h"
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#include "neigh_list.h"
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#include "neighbor.h"
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#include "pair_zbl_const.h"
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#include <cmath>
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// From J.F. Zeigler, J. P. Biersack and U. Littmark,
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// "The Stopping and Range of Ions in Matter" volume 1, Pergamon, 1985.
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@ -38,7 +37,8 @@ using namespace PairZBLConstants;
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/* ---------------------------------------------------------------------- */
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PairZBL::PairZBL(LAMMPS *lmp) : Pair(lmp) {
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PairZBL::PairZBL(LAMMPS *lmp) : Pair(lmp)
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{
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writedata = 1;
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}
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@ -70,13 +70,13 @@ PairZBL::~PairZBL()
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void PairZBL::compute(int eflag, int vflag)
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{
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int i,j,ii,jj,inum,jnum,itype,jtype;
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double xtmp,ytmp,ztmp,delx,dely,delz,evdwl,fpair;
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double rsq,r,t,fswitch,eswitch;
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int *ilist,*jlist,*numneigh,**firstneigh;
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int i, j, ii, jj, inum, jnum, itype, jtype;
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double xtmp, ytmp, ztmp, delx, dely, delz, evdwl, fpair;
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double rsq, r, t, fswitch, eswitch;
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int *ilist, *jlist, *numneigh, **firstneigh;
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evdwl = 0.0;
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ev_init(eflag,vflag);
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ev_init(eflag, vflag);
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double **x = atom->x;
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double **f = atom->f;
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@ -107,7 +107,7 @@ void PairZBL::compute(int eflag, int vflag)
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delx = xtmp - x[j][0];
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dely = ytmp - x[j][1];
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delz = ztmp - x[j][2];
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rsq = delx*delx + dely*dely + delz*delz;
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rsq = delx * delx + dely * dely + delz * delz;
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jtype = type[j];
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if (rsq < cut_globalsq) {
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@ -116,33 +116,30 @@ void PairZBL::compute(int eflag, int vflag)
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if (rsq > cut_innersq) {
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t = r - cut_inner;
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fswitch = t*t *
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(sw1[itype][jtype] + sw2[itype][jtype]*t);
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fswitch = t * t * (sw1[itype][jtype] + sw2[itype][jtype] * t);
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fpair += fswitch;
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}
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fpair *= -1.0/r;
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f[i][0] += delx*fpair;
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f[i][1] += dely*fpair;
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f[i][2] += delz*fpair;
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fpair *= -1.0 / r;
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f[i][0] += delx * fpair;
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f[i][1] += dely * fpair;
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f[i][2] += delz * fpair;
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if (newton_pair || j < nlocal) {
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f[j][0] -= delx*fpair;
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f[j][1] -= dely*fpair;
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f[j][2] -= delz*fpair;
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f[j][0] -= delx * fpair;
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f[j][1] -= dely * fpair;
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f[j][2] -= delz * fpair;
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}
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if (eflag) {
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evdwl = e_zbl(r, itype, jtype);
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evdwl += sw5[itype][jtype];
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if (rsq > cut_innersq) {
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eswitch = t*t*t *
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(sw3[itype][jtype] + sw4[itype][jtype]*t);
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eswitch = t * t * t * (sw3[itype][jtype] + sw4[itype][jtype] * t);
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evdwl += eswitch;
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}
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}
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if (evflag) ev_tally(i,j,nlocal,newton_pair,
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evdwl,0.0,fpair,delx,dely,delz);
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if (evflag) ev_tally(i, j, nlocal, newton_pair, evdwl, 0.0, fpair, delx, dely, delz);
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}
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}
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}
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@ -157,26 +154,25 @@ void PairZBL::compute(int eflag, int vflag)
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void PairZBL::allocate()
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{
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allocated = 1;
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int n = atom->ntypes;
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const int np1 = atom->ntypes + 1;
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memory->create(setflag,n+1,n+1,"pair:setflag");
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for (int i = 1; i <= n; i++)
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for (int j = i; j <= n; j++)
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setflag[i][j] = 0;
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memory->create(setflag, np1, np1, "pair:setflag");
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for (int i = 1; i < np1; i++)
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for (int j = i; j < np1; j++) setflag[i][j] = 0;
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memory->create(cutsq,n+1,n+1,"pair:cutsq");
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memory->create(cutsq, np1, np1, "pair:cutsq");
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memory->create(z,n+1,"pair:z");
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memory->create(d1a,n+1,n+1,"pair:d1a");
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memory->create(d2a,n+1,n+1,"pair:d2a");
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memory->create(d3a,n+1,n+1,"pair:d3a");
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memory->create(d4a,n+1,n+1,"pair:d4a");
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memory->create(zze,n+1,n+1,"pair:zze");
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memory->create(sw1,n+1,n+1,"pair:sw1");
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memory->create(sw2,n+1,n+1,"pair:sw2");
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memory->create(sw3,n+1,n+1,"pair:sw3");
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memory->create(sw4,n+1,n+1,"pair:sw4");
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memory->create(sw5,n+1,n+1,"pair:sw5");
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memory->create(z, np1, "pair:z");
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memory->create(d1a, np1, np1, "pair:d1a");
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memory->create(d2a, np1, np1, "pair:d2a");
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memory->create(d3a, np1, np1, "pair:d3a");
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memory->create(d4a, np1, np1, "pair:d4a");
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memory->create(zze, np1, np1, "pair:zze");
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memory->create(sw1, np1, np1, "pair:sw1");
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memory->create(sw2, np1, np1, "pair:sw2");
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memory->create(sw3, np1, np1, "pair:sw3");
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memory->create(sw4, np1, np1, "pair:sw4");
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memory->create(sw5, np1, np1, "pair:sw5");
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}
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/* ----------------------------------------------------------------------
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@ -185,15 +181,13 @@ void PairZBL::allocate()
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void PairZBL::settings(int narg, char **arg)
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{
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if (narg != 2) error->all(FLERR,"Illegal pair_style command");
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if (narg != 2) error->all(FLERR, "Illegal pair_style command");
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cut_inner = utils::numeric(FLERR,arg[0],false,lmp);
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cut_global = utils::numeric(FLERR,arg[1],false,lmp);
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cut_inner = utils::numeric(FLERR, arg[0], false, lmp);
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cut_global = utils::numeric(FLERR, arg[1], false, lmp);
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if (cut_inner <= 0.0 )
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error->all(FLERR,"Illegal pair_style command");
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if (cut_inner > cut_global)
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error->all(FLERR,"Illegal pair_style command");
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if (cut_inner <= 0.0) error->all(FLERR, "Illegal pair_style command");
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if (cut_inner > cut_global) error->all(FLERR, "Illegal pair_style command");
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}
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/* ----------------------------------------------------------------------
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@ -205,28 +199,26 @@ void PairZBL::coeff(int narg, char **arg)
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{
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double z_one, z_two;
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if (narg != 4)
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error->all(FLERR,"Incorrect args for pair coefficients");
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if (narg != 4) error->all(FLERR, "Incorrect args for pair coefficients");
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if (!allocated) allocate();
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int ilo,ihi;
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utils::bounds(FLERR,arg[0],1,atom->ntypes,ilo,ihi,error);
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int ilo, ihi;
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utils::bounds(FLERR, arg[0], 1, atom->ntypes, ilo, ihi, error);
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int jlo,jhi;
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utils::bounds(FLERR,arg[1],1,atom->ntypes,jlo,jhi,error);
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int jlo, jhi;
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utils::bounds(FLERR, arg[1], 1, atom->ntypes, jlo, jhi, error);
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z_one = utils::numeric(FLERR,arg[2],false,lmp);
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z_two = utils::numeric(FLERR,arg[3],false,lmp);
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z_one = utils::numeric(FLERR, arg[2], false, lmp);
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z_two = utils::numeric(FLERR, arg[3], false, lmp);
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// set flag for each i-j pair
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// set z-parameter only for i-i pairs
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int count = 0;
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for (int i = ilo; i <= ihi; i++) {
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for (int j = MAX(jlo,i); j <= jhi; j++) {
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for (int j = MAX(jlo, i); j <= jhi; j++) {
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if (i == j) {
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if (z_one != z_two)
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error->all(FLERR,"Incorrect args for pair coefficients");
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if (z_one != z_two) error->all(FLERR, "Incorrect args for pair coefficients");
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z[i] = z_one;
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}
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setflag[i][j] = 1;
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@ -235,7 +227,7 @@ void PairZBL::coeff(int narg, char **arg)
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}
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}
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if (count == 0) error->all(FLERR,"Incorrect args for pair coefficients");
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if (count == 0) error->all(FLERR, "Incorrect args for pair coefficients");
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}
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/* ----------------------------------------------------------------------
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@ -256,8 +248,7 @@ void PairZBL::init_style()
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double PairZBL::init_one(int i, int j)
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{
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if (setflag[i][j] == 0)
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set_coeff(i, j, z[i], z[j]);
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if (setflag[i][j] == 0) set_coeff(i, j, z[i], z[j]);
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return cut_global;
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}
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@ -272,8 +263,8 @@ void PairZBL::write_restart(FILE *fp)
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int i;
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for (i = 1; i <= atom->ntypes; i++) {
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fwrite(&setflag[i][i],sizeof(int),1,fp);
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if (setflag[i][i]) fwrite(&z[i],sizeof(double),1,fp);
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fwrite(&setflag[i][i], sizeof(int), 1, fp);
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if (setflag[i][i]) fwrite(&z[i], sizeof(double), 1, fp);
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}
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}
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@ -286,20 +277,19 @@ void PairZBL::read_restart(FILE *fp)
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read_restart_settings(fp);
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allocate();
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int i,j;
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int i, j;
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int me = comm->me;
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for (i = 1; i <= atom->ntypes; i++) {
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if (me == 0) utils::sfread(FLERR,&setflag[i][i],sizeof(int),1,fp,nullptr,error);
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MPI_Bcast(&setflag[i][i],1,MPI_INT,0,world);
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if (me == 0) utils::sfread(FLERR, &setflag[i][i], sizeof(int), 1, fp, nullptr, error);
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MPI_Bcast(&setflag[i][i], 1, MPI_INT, 0, world);
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if (setflag[i][i]) {
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if (me == 0) utils::sfread(FLERR,&z[i],sizeof(double),1,fp,nullptr,error);
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MPI_Bcast(&z[i],1,MPI_DOUBLE,0,world);
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if (me == 0) utils::sfread(FLERR, &z[i], sizeof(double), 1, fp, nullptr, error);
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MPI_Bcast(&z[i], 1, MPI_DOUBLE, 0, world);
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}
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}
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for (i = 1; i <= atom->ntypes; i++)
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for (j = 1; j <= atom->ntypes; j++)
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set_coeff(i,j,z[i],z[j]);
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for (j = 1; j <= atom->ntypes; j++) set_coeff(i, j, z[i], z[j]);
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}
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/* ----------------------------------------------------------------------
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@ -308,11 +298,11 @@ void PairZBL::read_restart(FILE *fp)
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void PairZBL::write_restart_settings(FILE *fp)
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{
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fwrite(&cut_global,sizeof(double),1,fp);
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fwrite(&cut_inner,sizeof(double),1,fp);
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fwrite(&offset_flag,sizeof(int),1,fp);
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fwrite(&mix_flag,sizeof(int),1,fp);
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fwrite(&tail_flag,sizeof(int),1,fp);
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fwrite(&cut_global, sizeof(double), 1, fp);
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fwrite(&cut_inner, sizeof(double), 1, fp);
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fwrite(&offset_flag, sizeof(int), 1, fp);
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fwrite(&mix_flag, sizeof(int), 1, fp);
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fwrite(&tail_flag, sizeof(int), 1, fp);
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}
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/* ----------------------------------------------------------------------
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@ -323,17 +313,17 @@ void PairZBL::read_restart_settings(FILE *fp)
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{
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int me = comm->me;
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if (me == 0) {
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utils::sfread(FLERR,&cut_global,sizeof(double),1,fp,nullptr,error);
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utils::sfread(FLERR,&cut_inner,sizeof(double),1,fp,nullptr,error);
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utils::sfread(FLERR,&offset_flag,sizeof(int),1,fp,nullptr,error);
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utils::sfread(FLERR,&mix_flag,sizeof(int),1,fp,nullptr,error);
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utils::sfread(FLERR,&tail_flag,sizeof(int),1,fp,nullptr,error);
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utils::sfread(FLERR, &cut_global, sizeof(double), 1, fp, nullptr, error);
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utils::sfread(FLERR, &cut_inner, sizeof(double), 1, fp, nullptr, error);
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utils::sfread(FLERR, &offset_flag, sizeof(int), 1, fp, nullptr, error);
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utils::sfread(FLERR, &mix_flag, sizeof(int), 1, fp, nullptr, error);
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utils::sfread(FLERR, &tail_flag, sizeof(int), 1, fp, nullptr, error);
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}
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MPI_Bcast(&cut_global,1,MPI_DOUBLE,0,world);
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MPI_Bcast(&cut_inner,1,MPI_DOUBLE,0,world);
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MPI_Bcast(&offset_flag,1,MPI_INT,0,world);
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MPI_Bcast(&mix_flag,1,MPI_INT,0,world);
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MPI_Bcast(&tail_flag,1,MPI_INT,0,world);
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MPI_Bcast(&cut_global, 1, MPI_DOUBLE, 0, world);
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MPI_Bcast(&cut_inner, 1, MPI_DOUBLE, 0, world);
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MPI_Bcast(&offset_flag, 1, MPI_INT, 0, world);
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MPI_Bcast(&mix_flag, 1, MPI_INT, 0, world);
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MPI_Bcast(&tail_flag, 1, MPI_INT, 0, world);
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}
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/* ----------------------------------------------------------------------
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@ -342,8 +332,7 @@ void PairZBL::read_restart_settings(FILE *fp)
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void PairZBL::write_data(FILE *fp)
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{
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for (int i = 1; i <= atom->ntypes; i++)
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fprintf(fp,"%d %g %g\n",i,z[i],z[i]);
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for (int i = 1; i <= atom->ntypes; i++) fprintf(fp, "%d %g %g\n", i, z[i], z[i]);
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}
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/* ----------------------------------------------------------------------
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@ -353,33 +342,29 @@ void PairZBL::write_data(FILE *fp)
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void PairZBL::write_data_all(FILE *fp)
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{
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for (int i = 1; i <= atom->ntypes; i++)
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for (int j = i; j <= atom->ntypes; j++)
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fprintf(fp,"%d %d %g %g\n",i,j,z[i],z[j]);
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for (int j = i; j <= atom->ntypes; j++) fprintf(fp, "%d %d %g %g\n", i, j, z[i], z[j]);
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}
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/* ---------------------------------------------------------------------- */
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double PairZBL::single(int /*i*/, int /*j*/, int itype, int jtype, double rsq,
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double /*dummy1*/, double /*dummy2*/,
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double &fforce)
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double PairZBL::single(int /*i*/, int /*j*/, int itype, int jtype, double rsq, double /*dummy1*/,
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double /*dummy2*/, double &fforce)
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{
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double phi,r,t,eswitch,fswitch;
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double phi, r, t, eswitch, fswitch;
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r = sqrt(rsq);
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fforce = dzbldr(r, itype, jtype);
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if (rsq > cut_innersq) {
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t = r - cut_inner;
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fswitch = t*t *
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(sw1[itype][jtype] + sw2[itype][jtype]*t);
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fswitch = t * t * (sw1[itype][jtype] + sw2[itype][jtype] * t);
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fforce += fswitch;
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}
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fforce *= -1.0/r;
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fforce *= -1.0 / r;
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phi = e_zbl(r, itype, jtype);
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phi += sw5[itype][jtype];
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if (rsq > cut_innersq) {
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eswitch = t*t*t *
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(sw3[itype][jtype] + sw4[itype][jtype]*t);
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eswitch = t * t * t * (sw3[itype][jtype] + sw4[itype][jtype] * t);
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phi += eswitch;
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}
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@ -390,55 +375,56 @@ double PairZBL::single(int /*i*/, int /*j*/, int itype, int jtype, double rsq,
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compute ZBL pair energy
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------------------------------------------------------------------------- */
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double PairZBL::e_zbl(double r, int i, int j) {
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double PairZBL::e_zbl(double r, int i, int j)
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{
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double d1aij = d1a[i][j];
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double d2aij = d2a[i][j];
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double d3aij = d3a[i][j];
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double d4aij = d4a[i][j];
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double zzeij = zze[i][j];
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double rinv = 1.0/r;
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double rinv = 1.0 / r;
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double sum = c1*exp(-d1aij*r);
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sum += c2*exp(-d2aij*r);
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sum += c3*exp(-d3aij*r);
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sum += c4*exp(-d4aij*r);
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double sum = c1 * exp(-d1aij * r);
|
||||
sum += c2 * exp(-d2aij * r);
|
||||
sum += c3 * exp(-d3aij * r);
|
||||
sum += c4 * exp(-d4aij * r);
|
||||
|
||||
double result = zzeij*sum*rinv;
|
||||
double result = zzeij * sum * rinv;
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
/* ----------------------------------------------------------------------
|
||||
compute ZBL first derivative
|
||||
------------------------------------------------------------------------- */
|
||||
|
||||
double PairZBL::dzbldr(double r, int i, int j) {
|
||||
double PairZBL::dzbldr(double r, int i, int j)
|
||||
{
|
||||
|
||||
double d1aij = d1a[i][j];
|
||||
double d2aij = d2a[i][j];
|
||||
double d3aij = d3a[i][j];
|
||||
double d4aij = d4a[i][j];
|
||||
double zzeij = zze[i][j];
|
||||
double rinv = 1.0/r;
|
||||
double rinv = 1.0 / r;
|
||||
|
||||
double e1 = exp(-d1aij*r);
|
||||
double e2 = exp(-d2aij*r);
|
||||
double e3 = exp(-d3aij*r);
|
||||
double e4 = exp(-d4aij*r);
|
||||
double e1 = exp(-d1aij * r);
|
||||
double e2 = exp(-d2aij * r);
|
||||
double e3 = exp(-d3aij * r);
|
||||
double e4 = exp(-d4aij * r);
|
||||
|
||||
double sum = c1*e1;
|
||||
sum += c2*e2;
|
||||
sum += c3*e3;
|
||||
sum += c4*e4;
|
||||
double sum = c1 * e1;
|
||||
sum += c2 * e2;
|
||||
sum += c3 * e3;
|
||||
sum += c4 * e4;
|
||||
|
||||
double sum_p = -c1*d1aij*e1;
|
||||
sum_p -= c2*d2aij*e2;
|
||||
sum_p -= c3*d3aij*e3;
|
||||
sum_p -= c4*d4aij*e4;
|
||||
double sum_p = -c1 * d1aij * e1;
|
||||
sum_p -= c2 * d2aij * e2;
|
||||
sum_p -= c3 * d3aij * e3;
|
||||
sum_p -= c4 * d4aij * e4;
|
||||
|
||||
double result = zzeij*(sum_p - sum*rinv)*rinv;
|
||||
double result = zzeij * (sum_p - sum * rinv) * rinv;
|
||||
|
||||
return result;
|
||||
}
|
||||
@ -447,37 +433,37 @@ double PairZBL::dzbldr(double r, int i, int j) {
|
||||
compute ZBL second derivative
|
||||
------------------------------------------------------------------------- */
|
||||
|
||||
double PairZBL::d2zbldr2(double r, int i, int j) {
|
||||
double PairZBL::d2zbldr2(double r, int i, int j)
|
||||
{
|
||||
|
||||
double d1aij = d1a[i][j];
|
||||
double d2aij = d2a[i][j];
|
||||
double d3aij = d3a[i][j];
|
||||
double d4aij = d4a[i][j];
|
||||
double zzeij = zze[i][j];
|
||||
double rinv = 1.0/r;
|
||||
double rinv = 1.0 / r;
|
||||
|
||||
double e1 = exp(-d1aij*r);
|
||||
double e2 = exp(-d2aij*r);
|
||||
double e3 = exp(-d3aij*r);
|
||||
double e4 = exp(-d4aij*r);
|
||||
double e1 = exp(-d1aij * r);
|
||||
double e2 = exp(-d2aij * r);
|
||||
double e3 = exp(-d3aij * r);
|
||||
double e4 = exp(-d4aij * r);
|
||||
|
||||
double sum = c1*e1;
|
||||
sum += c2*e2;
|
||||
sum += c3*e3;
|
||||
sum += c4*e4;
|
||||
double sum = c1 * e1;
|
||||
sum += c2 * e2;
|
||||
sum += c3 * e3;
|
||||
sum += c4 * e4;
|
||||
|
||||
double sum_p = c1*e1*d1aij;
|
||||
sum_p += c2*e2*d2aij;
|
||||
sum_p += c3*e3*d3aij;
|
||||
sum_p += c4*e4*d4aij;
|
||||
double sum_p = c1 * e1 * d1aij;
|
||||
sum_p += c2 * e2 * d2aij;
|
||||
sum_p += c3 * e3 * d3aij;
|
||||
sum_p += c4 * e4 * d4aij;
|
||||
|
||||
double sum_pp = c1*e1*d1aij*d1aij;
|
||||
sum_pp += c2*e2*d2aij*d2aij;
|
||||
sum_pp += c3*e3*d3aij*d3aij;
|
||||
sum_pp += c4*e4*d4aij*d4aij;
|
||||
double sum_pp = c1 * e1 * d1aij * d1aij;
|
||||
sum_pp += c2 * e2 * d2aij * d2aij;
|
||||
sum_pp += c3 * e3 * d3aij * d3aij;
|
||||
sum_pp += c4 * e4 * d4aij * d4aij;
|
||||
|
||||
double result = zzeij*(sum_pp + 2.0*sum_p*rinv +
|
||||
2.0*sum*rinv*rinv)*rinv;
|
||||
double result = zzeij * (sum_pp + 2.0 * sum_p * rinv + 2.0 * sum * rinv * rinv) * rinv;
|
||||
|
||||
return result;
|
||||
}
|
||||
@ -488,12 +474,12 @@ double PairZBL::d2zbldr2(double r, int i, int j) {
|
||||
|
||||
void PairZBL::set_coeff(int i, int j, double zi, double zj)
|
||||
{
|
||||
double ainv = (pow(zi,pzbl) + pow(zj,pzbl))/(a0*force->angstrom);
|
||||
d1a[i][j] = d1*ainv;
|
||||
d2a[i][j] = d2*ainv;
|
||||
d3a[i][j] = d3*ainv;
|
||||
d4a[i][j] = d4*ainv;
|
||||
zze[i][j] = zi*zj*force->qqr2e*force->qelectron*force->qelectron;
|
||||
double ainv = (pow(zi, pzbl) + pow(zj, pzbl)) / (a0 * force->angstrom);
|
||||
d1a[i][j] = d1 * ainv;
|
||||
d2a[i][j] = d2 * ainv;
|
||||
d3a[i][j] = d3 * ainv;
|
||||
d4a[i][j] = d4 * ainv;
|
||||
zze[i][j] = zi * zj * force->qqr2e * force->qelectron * force->qelectron;
|
||||
|
||||
d1a[j][i] = d1a[i][j];
|
||||
d2a[j][i] = d2a[i][j];
|
||||
@ -529,14 +515,14 @@ void PairZBL::set_coeff(int i, int j, double zi, double zj)
|
||||
double fcp = dzbldr(cut_global, i, j);
|
||||
double fcpp = d2zbldr2(cut_global, i, j);
|
||||
|
||||
double swa = (-3.0*fcp + tc*fcpp)/(tc*tc);
|
||||
double swb = ( 2.0*fcp - tc*fcpp)/(tc*tc*tc);
|
||||
double swc = -fc + (tc/2.0)*fcp - (tc*tc/12.0)*fcpp;
|
||||
double swa = (-3.0 * fcp + tc * fcpp) / (tc * tc);
|
||||
double swb = (2.0 * fcp - tc * fcpp) / (tc * tc * tc);
|
||||
double swc = -fc + (tc / 2.0) * fcp - (tc * tc / 12.0) * fcpp;
|
||||
|
||||
sw1[i][j] = swa;
|
||||
sw2[i][j] = swb;
|
||||
sw3[i][j] = swa/3.0;
|
||||
sw4[i][j] = swb/4.0;
|
||||
sw3[i][j] = swa / 3.0;
|
||||
sw4[i][j] = swb / 4.0;
|
||||
sw5[i][j] = swc;
|
||||
|
||||
sw1[j][i] = sw1[i][j];
|
||||
@ -545,4 +531,3 @@ void PairZBL::set_coeff(int i, int j, double zi, double zj)
|
||||
sw4[j][i] = sw4[i][j];
|
||||
sw5[j][i] = sw5[i][j];
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user