The smectic order of wrinkles

被引：39

作者：

Aharoni, Hillel ^{[1
]}

Todorova, Desislava V. ^{[1
]}

Albarran, Octavio ^{[2
]}

Goehring, Lucas ^{[2
,3
]}

Kamien, Randall D. ^{[1
]}

Katifori, Eleni ^{[1
]}

机构：

[1] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

[2] Max Planck Inst Dynam & Self Org MPIDS, D-37077 Gottingen, Germany

[3] Nottingham Trent Univ, Sch Sci & Technol, Nottingham NG11 8NS, England

来源：

NATURE COMMUNICATIONS | 2017年 / 8卷

基金：

美国国家科学基金会;

关键词：

LAMELLAR; INSTABILITY; PATTERNS; DEFECTS;

D O I：

10.1038/ncomms15809

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A thin elastic sheet lying on a soft substrate develops wrinkled patterns when subject to an external forcing or as a result of geometric incompatibility. Thin sheet elasticity and substrate response equip such wrinkles with a global preferred wrinkle spacing length and with resistance to wrinkle curvature. These features are responsible for the liquid crystalline smectic-like behaviour of such systems at intermediate length scales. This insight allows better understanding of the wrinkling patterns seen in such systems, with which we explain pattern breaking into domains, the properties of domain walls and wrinkle undulation. We compare our predictions with numerical simulations and with experimental observations.

引用

页数：7

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