\begin{tikzpicture} \pgfplotstableread[col sep=comma]{img/data/cylinder2d_optimized_grid_n20_re100_drag_lift_deltap.csv}\refined \pgfplotstableread[col sep=comma]{img/data/cylinder2d_unrefined_n48_re100_drag_lift_deltap.csv}\uniformMiddle \pgfplotstableread[col sep=comma]{img/data/cylinder2d_unrefined_n80_re100_drag_lift_deltap.csv}\uniformHigh \begin{axis}[ scale only axis, height=7.5cm, width=0.9*\textwidth, legend cell align=left, legend pos=south east, grid=both, domain=0:16, xmin=6, xmax=16, ylabel={Auftriebskoeffizient}, ylabel absolute, every axis y label/.append style={yshift=0.4cm}, y tick label style={/pgf/number format/.cd, use comma} ] \addplot[color=black]{1.0}; \addlegendentry {Gemittelte Referenzlösung \(c_\text{Amax} := 1\)}; \addplot[color=blue!50!white,thin,densely dashed] table [x expr=\thisrow{time}, y=lift] {\uniformHigh}; \addplot[color=blue!50!white,thin] table [x expr=\thisrow{time}, y=lift] {\uniformMiddle}; \addplot[color=green!70!black,thick] table [x expr=8*\thisrow{time}, y=lift] {\refined}; \end{axis} \begin{axis}[ scale only axis, yshift=-8.5cm, height=7.5cm, width=0.9*\textwidth, legend cell align=left, legend pos=south east, grid=both, domain=0:16, xmin=6, xmax=16, xlabel={Simulierte physikalische Zeit}, ylabel={Druckdifferenz}, x unit=s, y unit=N/m^2, ylabel absolute, every axis y label/.append style={yshift=0.4cm}, y tick label style={/pgf/number format/.cd, use comma} ] \addplot[color=black]{2.48}; \addlegendentry {Gemittelte Referenzlösung \(\Delta P := \num{2.48}\)}; \addplot[color=blue!50!white,thin,densely dashed] table [x expr=\thisrow{time}, y=deltap] {\uniformHigh}; \addlegendentry {Uniformes \(N=80\) Gitter mit \(\sim 577000\) Knoten}; \addplot[color=blue!50!white,thin] table [x expr=\thisrow{time}, y=deltap] {\uniformMiddle}; \addlegendentry {Uniformes \(N=48\) Gitter mit \(\sim 208000\) Knoten}; \addplot[color=green!70!black,thick] table [x expr=8*\thisrow{time}, y=deltap] {\refined}; \addlegendentry {Verfeinertes \(N=20\) Gitter mit \(\sim 208000\) Knoten}; \end{axis} \end{tikzpicture}