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Fig. 2. Close-up of a top view of the fluid-fin domain used for the numerical
simulations. Shown here are the material points of the fin (black) and the
Eulerian fluid grid (gray), with lengthwise grid spacing dx=0.375 mm
and widthwise spacing of dy=0.4 mm. The inset shows the extent of the
close-up with respect to the entire fluid-fin domain. Note that the material
points do not conform to the fluid grid points.