please guide me. Thanks.
the executable bash file is below:
# script for paralle execution
#!/bin/bash
#PBS -S /bin/bash
#PBS -N LAMMPS
#PBS -l nodes=1:ppn=10
#PBS -q batch
#PBS -o $HOME/lammps/lammps.out
#PBS -e $HOME/lammps/lammps.err
#PBS -l walltime=200:00:00
NP=10
######## Running #######
export TOPDIR=/share/users/A_hoseini/LAMMPS/input/Ni/boundary/300K/4
#export LAMMPSPATH=/share/binary/lammps/lammps-28Mar12/src/
export MPIPATH=/share/binary/mpich2-1.4.1p1/bin/
cd $TOPDIR
LAMMPSCONF= Ni.in
$MPIPATH/mpirun -n $NP /share/users/A_hoseini/LAMMPS/source/src/lmp_mpi < $TOPDIR/$LAMMPSCONF &> $TOPDIR/out.$PBS_JOBID.log