Abstract

Dynamics of roll domains is experimentally investigated for parametrically excited capillary wave in a rounded-corner cell. Rolls in different domains were oriented parallel and perpendicular to different complex-shaped boundaries and perpendicular to one another. It is found out that the dynamics of the domains is governed by the motion of their fronts and that two-dimensional domains of various shape can occur depending on the initial and boundary conditions at the edges of the cell. A model is proposed for this phenomenon, and calculations within this model are in good agreement with experiment.

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