\begin{tikzpicture} \pgfplotstableread[col sep=comma]{img/data/cylinder2d_optimized_refinement_n5_re100_drag_lift_deltap.csv}\refined \pgfplotstableread[col sep=comma]{img/data/cylinder2d_unrefined_n12_re100_drag_lift_deltap.csv}\uniform \begin{axis}[ scale only axis, height=8cm, width=0.9*\textwidth, legend cell align=left, legend pos=south east, grid=both, domain=0:16, xmin=0, xmax=16, xlabel={Simulierte physikalische Zeit}, ylabel={Widerstandskraft}, x unit=s, y unit=N ] \addplot[ color=blue!50!white, very thin ] table [ x expr=\thisrow{time}, y=drag ] {\uniform}; \addlegendentry {Uniformes \(N=12\) Gitter}; \addplot[ color=green!70!black, thick ] table [ x expr=8*\thisrow{time}, y=drag ] {\refined}; \addlegendentry {Problembezogen verfeinertes \(N=5\) Gitter}; \addplot[color=black]{3.23}; \addlegendentry {Gemittelte Referenzlösung \(c_\text{Dmax}\)}; \end{axis} \end{tikzpicture}