Big influence of small random imperfections in origami-based ...
2020年9月16日 · Consequently, irregularities in the geometry of a Miura-ori can significantly change its mechanical behaviour [21, 31, 32]. For instance, the so-called ‘pop-through defect’ in Miura-ori, as a deterministic, localized interruption of periodic folding, was shown to affect their stiffness, towards either stiffening or softening [18].
Origami could lead to tunable materials - Cornell Chronicle
2014年8月7日 · But unlike other metamaterials with fixed properties, “pop-through defects,” which are made by changing crease directions, can be introduced at arbitrary locations within the sheet to change its stiffness. The Miura-ori origami fold with a pop-through defect.
The behavior of a functionally graded origami structure subjected …
2020年4月1日 · Those reported in the open literature include a pop-through defect introduced to Miura-folded sheets by Silverberg et al. [8], which could achieve reversibly switching between soft and stiff states, the curved cellular structures with zero and negative stiffness regimes by Virk et al. [9], the approach to couple origami tubes in a zipper ...
Origami mechanical metamaterials based on the Miura-derivative …
Silverberg et al. [18] proposed a reprogrammable single-layered origami metamaterial design by introducing pop-through defects into perfect Miura tessellations.
Stiffening multi-stable origami tubes by outward popping of creases
2023年1月1日 · For instance, the panel bending is involved in the pop-through defects that create tunable stiffness in the Miura-ori tessellation [33]. Here we adopt a similar strategy to trigger a pop-up state that gains high stiffness.
An origami-inspired structure with graded stiffness
2018年2月1日 · To tune the stiffness of Miura-folded sheets, Silverberg et al. [18] introduced a kind of pop-through defect and obtained the correlation between the in-plane compression stiffness and the number, location, and combination of the defect.
(a) i) The Miura-ori crease pattern divides a sheet into planar …
For example, the rigidity of a Miura-ori crease pattern ( Fig. 3a) can be programmed by introducing metastable 'pop-through' defects [Silverberg et al. 2014]. Tubular structures have been...
So-called "pop-through defects" made by changing crease directions, can be introduced to change a sheet's stiffness, so multiple stable configurations can come from a single structure...
Learning from origami to design new materials - ScienceDaily
2014年8月7日 · So-called "pop-through defects" made by changing crease directions, can be introduced to change a sheet's stiffness, so multiple stable configurations can come from a single structure...
Origami could lead to exotic materials, tiny | EurekAlert!
2014年8月7日 · Using numerical simulations, Evans and Santangelo calculated the effect that such a pop-through defect has on the Miura-ori. They showed that it instantly makes the entire sheet...