Mechanics

By T. Mckeown. 1970

: 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.

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  1. S. Grozdanov
  2. P. Kovtun
  3. A. Starinets
  4. S. Hartnoll
  5. Petar Tadi'c
  6. R. Myers
  7. Alex Buchel
  8. Chu Tao

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