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Dominant Spatial Structures of a Density-Driven Gravity Flow Simulation and more art by [17] Gabriel Barros

Dominant Spatial Structures of a Density-Driven Gravity Flow Simulation, 2020
170.4 x 241.2 x 1 cm (h x w x d)
not for sale
[17]

This picture is composed by several figures: From top to bottom, the first one is a later stage snapshot of a density-driven gravity flow where the heavy fluid (in red) flows in a tank filled with a light fluid (in blue) driven by turbulent forces that rise from the different densities of the fluids.

The second figure represents the temporal average for each point in space, that is, the mean flow in time. By subtracting the second figure from all the snapshots of the simulation, we can decompose the dataset into modes that express the hierarchical dominant structures of the flow. The modes are hierarchical in the sense that the first mode retains more energy than the second mode and so forth.

The next four figures represent the first four spatial modes and, as their contribution to the overall energy decreases, the figures become more translucent.



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Members of the jury

Françoise Pétry
248 x 248 x 10 cm (h x w x d)

Karen Willcox
248 x 248 x 10 cm (h x w x d)

Julien Pebrel
248 x 248 x 10 cm (h x w x d)

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