Mechanics
Mechanics
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DOI：
10.1177/003591577006300429
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发表时间：
1970-04
影响因子：
17.3
通讯作者：
T. Mckeown
中科院分区：
文献类型：
--
作者：
T. Mckeown
本文提出了一种新的平面内零泊松比蜂窝结构设计，用于平面外大变形和变形。这种新颖的蜂窝结构由两部分组成，分别提供面内和面外变形贡献。六角形部件产生平面外承载压缩和平面内顺应性，而连接六角形截面的薄板部件提供平面外灵活性。本文通过理论分析、有限元均化和实验测试相结合的方法，阐述了该材料的面内力学性能。还进行了参数分析，以确定平面内刚度与定义零ν蜂窝的几何参数之间的关系。
: This work presents a novel zero in-plane Poisson’s ratio honeycomb design for large out-of-plane deformations and morphing. The novel honeycomb topology is composed by two parts that provide separate in-plane and out-of-plane deformations contributions. The hexagonal component generates the out-of-plane load-bearing compression and in-plane compliance, while a thin plate part that connects the hexagonal section delivers the out-of-plane flexibility. The paper illustrates the in-plane mechanical properties through a combination of theoretical analysis, FE homogenization and experimental tests. Parametric analyses are also carried out to determine the dependence of the in-plane stiffness versus the geometric parameters that define the zero- ν honeycomb.