Spiral patterns in the packing of flexible structures

被引：52

作者：

Boue, L. ^{[1
]}

Adda-Bedia, M. ^{[1
]}

Boudaoud, A. ^{[1
]}

Cassani, D. ^{[1
]}

Couder, Y. ^{[1
]}

Eddi, A. ^{[1
]}

Trejo, M. ^{[1
]}

机构：

[1] Ecole Normale Super, Lab Phys Stat, F-75231 Paris 05, France

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.97.166104

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Spiral patterns are found to be a generic feature in close-packed elastic structures. We describe model experiments of compaction of quasi-1D sheets into quasi-2D containers that allow simultaneous quantitative measurements of mechanical forces and observation of folded configurations. Our theoretical approach shows how the interplay between elasticity and geometry leads to a succession of bifurcations responsible for the emergence of such patterns. Both experimental forces and shapes are also reproduced without any adjustable parameters.

引用

页数：4

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