Gower, A. L.
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Carfagna, M. Destrade, M.; Gower, A. L.; Grillo, A. (2017). Oblique wrinkles. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 375 (2093),
We prove theoretically that when a soft solid is subjected to an extreme deformation, wrinkles can form on its surface at an angle that is oblique to a principal direction of stretch. These oblique wrinkles occur for a strain that is smaller than the one required to obtain wrinkles normal to the direction of greatest compression. We go on to explain why they will probably never be observed in real-world experiments. This article is part of the themed issue 'Patterning through instabilities in complex media: theory and applications'.