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We report on ab initio simulation of fluid interface deformations inducedeither by acoustic or optical radiation pressure. This is done by solvingsimultaneously the scalar wave propagation equation and the two-phase flowequations using the boundary element method. Using dimensional analysis, weshow that interface deformation morphogenesis is universal, i.e. depends on thesame dimensionless parameters in acoustics and electromagnetics. We numericallyinvestigate a few selected phenomena -- in particular the shape of largedeformations, the slenderness transition and its hysteresis -- and compare withexisting and novel experimental observations. Qualitative agreement between thenumerical simulations and experiments is found when the mutual interactionbetween wave propagation and wave-induced deformations is taken into account.Our results demonstrate the leading role of the radiation pressure inmorphogenesis of fluid interface deformations and the importance of thepropagation-deformation interplay .

Numerical simulation of universal morphogenesis of fluid interface deformations driven by radiation pressure