Shear modulus of two-dimensional foams: The effect of area dispersity and disorder
Institute of Mathematical and Physical Sciences, University of Wales Aberystwyth, SY23 3BZ, Ceredigion, UK
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Accepted: 2 October 2006
Published online: 19 October 2006
We use the Surface Evolver to determine the shear modulus G of a dry 2D foam of 2500 bubbles, using both extensional and simple shear. We examine G for a range of monodisperse, bidisperse and polydisperse foams, and relate it to various measures of the structural disorder of each foam. In all cases, the shear modulus of a foam decreases with increasing disorder.
PACS: 47.57.Bc Foams and emulsions – / 83.80.Iz Emulsions and foams – / 83.50.Jf Extensional flow and combined shear and extension –
© EDP Sciences, Società Italiana di Fisica and Springer-Verlag, 2006