quantum-espresso/examples/example35/run_xml_example

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#!/bin/sh
# run from directory where this script is
cd `echo $0 | sed 's/\(.*\)\/.*/\1/'` # extract pathname
EXAMPLE_DIR=`pwd`
# check whether echo has the -e option
if test "`echo -e`" = "-e" ; then ECHO=echo ; else ECHO="echo -e" ; fi
# function to test the exit status of a job
. ../check_failure.sh
$ECHO
$ECHO "$EXAMPLE_DIR : starting"
$ECHO
$ECHO "This example tests effective charges and dielectric constant"
$ECHO "together with the noncollinear or the spin-orbit part of the code"
# set the needed environment variables
. ../environment_variables
# required executables and pseudopotentials
BIN_LIST="pw.x ph.x "
PSEUDO_LIST="Si.rel-pbe-rrkj.UPF C.pz-rrkjus.UPF"
$ECHO
$ECHO " executables directory: $BIN_DIR"
$ECHO " pseudo directory: $PSEUDO_DIR"
$ECHO " temporary directory: $TMP_DIR"
$ECHO
$ECHO " checking that needed directories and files exist...\c"
# check for directories
for DIR in "$BIN_DIR" "$PSEUDO_DIR" ; do
if test ! -d $DIR ; then
$ECHO
$ECHO "ERROR: $DIR not existent or not a directory"
$ECHO "Aborting"
exit 1
fi
done
for DIR in "$TMP_DIR" "$EXAMPLE_DIR/results" ; do
if test ! -d $DIR ; then
mkdir $DIR
fi
done
cd $EXAMPLE_DIR/results
# check for executables
for FILE in $BIN_LIST ; do
if test ! -x $BIN_DIR/$FILE ; then
$ECHO
$ECHO "ERROR: $BIN_DIR/$FILE not existent or not executable"
$ECHO "Aborting"
exit 1
fi
done
# check for pseudopotentials
for FILE in $PSEUDO_LIST ; do
if test ! -r $PSEUDO_DIR/$FILE ; then
$ECHO
$ECHO "Downloading $FILE to $PSEUDO_DIR...\c"
wget http://www.quantum-espresso.org/pseudo/1.3/UPF/$FILE \
-O $PSEUDO_DIR/$FILE 2> /dev/null
fi
if test $? != 0; then
$ECHO
$ECHO "ERROR: $PSEUDO_DIR/$FILE not existent or not readable"
$ECHO "Aborting"
exit 1
fi
done
$ECHO " done"
# how to run executables
PW_COMMAND="$PARA_PREFIX $BIN_DIR/pw.x $PARA_POSTFIX"
PH_COMMAND="$PARA_PREFIX $BIN_DIR/ph.x $PARA_POSTFIX"
$ECHO
$ECHO " running pw.x as: $PW_COMMAND"
$ECHO " running ph.x as: $PH_COMMAND"
$ECHO
# clean TMP_DIR
$ECHO " cleaning $TMP_DIR...\c"
rm -rf $TMP_DIR/*
$ECHO " done"
#
# self-consistent calculation. This example demonstrates the use of spin-orbit
# together with gga-pbe. Dielectric constant and effective charges
#
cat > si.scf.xml << EOF
<?xml version="1.0" encoding="UTF-8"?>
<input calculation="scf" prefix="Si_pbe">
<cell type="qecell">
<qecell ibrav="2" alat="10.35">
<real rank="1" n1="5">
0.0 0.0 0.0 0.0 0.0
</real>
</qecell>
</cell>
<atomic_species ntyp="1">
<specie name="Si">
<property name="mass">
<real>28.0855</real>
</property>
<property name="pseudofile">
<string>Si.rel-pbe-rrkj.UPF</string>
</property>
</specie>
</atomic_species>
<atomic_list units="alat" nat="2" >
<atom name="Si">
<position>
<real rank="1" n1="3">
0.00 0.00 0.00
</real>
</position>
</atom>
<atom name="Si">
<position>
<real rank="1" n1="3">
0.25 0.25 0.25
</real>
</position>
</atom>
</atomic_list>
<field name="InputOutput">
<parameter name="restart_mode">
<string>
from_scratch
</string>
</parameter>
<parameter name="pseudo_dir">
<string>
$PSEUDO_DIR/
</string>
</parameter>
<parameter name="outdir">
<string>
$TMP_DIR
</string>
</parameter>
</field>
<field name="Numerics">
<parameter name="ecutwfc">
<real>
20.0
</real>
</parameter>
<parameter name="mixing_beta">
<real>
0.7
</real>
</parameter>
<parameter name="conv_thr">
<real>
1.0d-10
</real>
</parameter>
</field>
<field name="Options">
<parameter name="noncolin">
<logical>
true
</logical>
</parameter>
<parameter name="lspinorb">
<logical>
true
</logical>
</parameter>
</field>
<k_points type="automatic">
<mesh>
<integer rank="1" n1="6">
2 2 2 1 1 1
</integer>
</mesh>
</k_points>
</input>
EOF
$ECHO " running pw.x for Si with gga-pbe and spin-orbit coupling...\c"
$PW_COMMAND -xmlinput si.scf.xml > si.scf.out
check_failure $?
$ECHO " done"
cat > si.phG.in << EOF
phonons of Si at Gamma
&inputph
tr2_ph=1.0d-16,
epsil=.true.,
prefix='Si_pbe',
fildyn='Sig.dyn',
amass(1)=28.0855,
outdir='$TMP_DIR/'
/
0.0 0.0 0.0
EOF
$ECHO " running ph.x at Gamma for Si with gga-pbe and spin-orbit coupling...\c"
$PH_COMMAND < si.phG.in > si.phG.out
check_failure $?
$ECHO " done"
# self-consistent calculation. This example demonstrates the use of
# the noncollinear dielectric constants and effective charges.
# For diamond these quantities are calculated in example02. The same
# calculation is repeated here after setting noncolin=.true.
#
cat > c.scf.xml << EOF
<?xml version="1.0" encoding="UTF-8"?>
<input calculation="scf" prefix="C">
<cell type="qecell">
<qecell ibrav="2" alat="6.74">
<real rank="1" n1="5">
0.0 0.0 0.0 0.0 0.0
</real>
</qecell>
</cell>
<atomic_species ntyp="1">
<specie name="C">
<property name="mass">
<real>12.0107</real>
</property>
<property name="pseudofile">
<string>C.pz-rrkjus.UPF</string>
</property>
</specie>
</atomic_species>
<atomic_list units="alat" nat="2" >
<atom name="C">
<position>
<real rank="1" n1="3">
0.00 0.00 0.00
</real>
</position>
</atom>
<atom name="C">
<position>
<real rank="1" n1="3">
0.25 0.25 0.25
</real>
</position>
</atom>
</atomic_list>
<field name="InputOutput">
<parameter name="restart_mode">
<string>
from_scratch
</string>
</parameter>
<parameter name="pseudo_dir">
<string>
$PSEUDO_DIR/
</string>
</parameter>
<parameter name="outdir">
<string>
$TMP_DIR/
</string>
</parameter>
</field>
<field name="Numerics">
<parameter name="ecutwfc">
<real>
27.0
</real>
</parameter>
<parameter name="ecutrho">
<real>
300.0
</real>
</parameter>
<parameter name="conv_thr">
<real>
1.0d-9
</real>
</parameter>
<parameter name="mixing_beta">
<real>
0.7
</real>
</parameter>
</field>
<field name="Options">
<parameter name="noncolin">
<logical>
true
</logical>
</parameter>
</field>
<k_points type="automatic">
<mesh>
<integer rank="1" n1="6">
4 4 4 1 1 1
</integer>
</mesh>
</k_points>
</input>
EOF
$ECHO " running pw.x for C with noncolin=.true....\c"
$PW_COMMAND -xmlinput c.scf.xml > c.scf.out
check_failure $?
$ECHO " done"
cat > c.phG.in << EOF
phonons of C at Gamma
&inputph
tr2_ph=1.0d-14,
epsil=.true.,
prefix='C',
outdir='$TMP_DIR'
/
0.0 0.0 0.0
EOF
$ECHO " running ph.x at Gamma for C with noncolin=.true....\c"
$PH_COMMAND < c.phG.in > c.phG.out
check_failure $?
$ECHO " done"
$ECHO
$ECHO "$EXAMPLE_DIR: done"