Ternary and quaternary fission

cascade of buckling events takes place, resulting in a complex pattern.At the final stage the top view of the drop is shown in the corresponding inset in Figure 1.A sessile drop which dries would at first appear as a simple problem.However our experiments reveal that a combination of several processes take place during the drying process and that, depending on the experimental conditions, different morpholo gies can be observed at the drying end.These are strongly related to the different modes of the buckling instability which take place in an elastic shell.This leads to various shapes that exhibit axisymmetric or non-axisymmetric distortions.These phenomena are also related to a large variety of industrial applications including the formation of coatings.Such investigations may also help to solve a variety of problems in film, membrane or bio-interface mechanics.

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