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Tang, J. (author), CastaƱeda, Pablo (author), Marchesin, Dan (author), Rossen, W.R. (author)Understanding the interplay of foam and non-aqueous phases in porous media is key to improving the design of foam for enhanced oil recovery and remediation of aquifers and soils. A widely used implicit-texture foam model predicts phenomena analogous to cusp catastrophe theory: the surface describing foam apparent viscosity as a function of...journal article 2019