72 lines
1.8 KiB
Bash
Executable File
72 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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cd ${0%/*} || exit 1 # Run from this directory
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. $WM_PROJECT_DIR/bin/tools/RunFunctions # Tutorial run functions
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runApplication blockMesh
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exponents="2 3 4 5 6 7 8"
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echo "# yPlus vs uPlus" > yPlus_vs_uPlus
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for e in $exponents
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do
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echo " Setting nu to 1e-$e"
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sed "s/XXX/$e/g" constant/transportProperties.template \
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> constant/transportProperties
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runApplication -s $e $(getApplication)
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# extract y+, U+
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# note: both must be added to foamLog.db
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runApplication -s $e foamLog log.boundaryFoam.$e
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if [ -e logs/yPlus_0 ]
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then
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yPlus=$(awk < logs/yPlus_0 'END{print $2}')
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uPlus=$(awk < logs/uPlus_0 'END{print $2}')
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echo "$yPlus $uPlus" >> yPlus_vs_uPlus
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fi
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rm -rf logs
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done
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if ! isTest $@
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then
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# create validation plot
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# Test if gnuplot exists on the system
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command -v gnuplot >/dev/null 2>&1 || {
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echo "gnuplot not found - skipping graph creation" 1>&2
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exit 1
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}
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graphName="OF_vs_ANALYTICAL.eps"
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echo "Creating graph of u+ vs y+ to $graphName"
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gnuplot<<EOF
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set terminal postscript eps color enhanced
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set output "$graphName"
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set grid
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set xlabel "y+"
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set ylabel "u+"
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set key top left
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set size 0.75, 0.75
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set parametric
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# u+ range
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set trange [0:35]
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# Spaldings law
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k=0.41
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E=9.8
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f(t) = t + 1/E*(exp(k*t) - 1 - k*t*(1 + 0.5*k*t) - 1/6*k*t**3)
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set logscale x
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set format x "10^{%T}"
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plot f(t),t title "Spalding" with lines linetype -1, \
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"yPlus_vs_uPlus" title "OpenFOAM" with points lt 1 pt 6
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EOF
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fi
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echo Done
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#------------------------------------------------------------------------------
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