斜皱纹
Oblique wrinkles.
作者信息
Carfagna M, Destrade M, Gower A L, Grillo A
机构信息
Dipartimento di Scienze Matematiche DISMA G. L. Lagrange, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy.
School of Mathematics, Statistics and Applied Mathematics, NUI Galway, University Road, Galway, Ireland
出版信息
Philos Trans A Math Phys Eng Sci. 2017 May 13;375(2093). doi: 10.1098/rsta.2016.0158.
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.'
我们从理论上证明，当一个软固体受到极端变形时，其表面会形成与拉伸主方向成斜角的皱纹。这些斜皱纹出现时的应变小于获得垂直于最大压缩方向的皱纹所需的应变。我们接着解释为什么在实际实验中可能永远不会观察到它们。本文是主题为“通过复杂介质中的不稳定性进行图案化：理论与应用”的特刊的一部分。
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