Analysis of elasmoid fish imbricated layered scale-tissue systems and their bio-inspired analogues at finite strains and bending

被引：38
作者：
Rudykh, Stephan [1 ]
Boyce, Mary C. [2 ]
机构：
[1] MIT, Dept Mech Engn, Cambridge, MA 02139 USA
[2] Columbia Univ, Sch Engn & Appl Sci, New York, NY 10025 USA
来源：
IMA JOURNAL OF APPLIED MATHEMATICS | 2014年 / 79卷 / 05期
关键词：
layers; composites; bio-inspired materials; biomimetic; fish scale; STRUCTURES SUBJECT; COMPOSITES; ARMOR; INSTABILITIES; BIFURCATIONS; ELLIPTICITY; MECHANISMS;
D O I：
10.1093/imamat/hxu005
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We examine deformation mechanisms and performance of multilayered structures inspired by imbricated scale-tissue systems of elasmoid fish. Exact analytical solutions are derived for these soft composite structures undergoing finite deformation in compressive and bending loading conditions. The layered structure leads to dramatic coupled shear-compressive deformations which afford distinct and advantageous behaviours in compression and bending. The existence of super-flexible behaviours is found for particular structural configurations. The influence of the geometrical parameters on the composite performance is rigorously analysed.
引用
收藏
页码：830 / 847
页数：18
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