A Hydrodynamic Instability Is Used to Create Aesthetically Appealing Patterns in Painting

Sandra Zetina, Francisco A Godínez and Roberto Zenit

PLOS ONE, 2015, vol. 10, issue 5, 1-13

Abstract: Painters often acquire a deep empirical knowledge of the way in which paints and inks behave. Through experimentation and practice, they can control the way in which fluids move and deform to create textures and images. David Alfaro Siqueiros, a recognized Mexican muralist, invented an accidental painting technique to create new and unexpected textures. By pouring layers of paint of different colors on a horizontal surface, the paints infiltrate into each other creating patterns of aesthetic value. In this investigation, we reproduce the technique in a controlled manner. We found that for the correct color combination, the dual viscous layer becomes Rayleigh-Taylor unstable: the density mismatch of the two color paints drives the formation of a spotted pattern. Experiments and a linear instability analysis were conducted to understand the properties of the process. We also argue that this flow configuration can be used to study the linear properties of this instability.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0126135

DOI: 10.1371/journal.pone.0126135

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